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-rw-r--r--.gitignore12
-rw-r--r--etherpad/src/etherpad/collab/ace/contentcollector.js509
-rw-r--r--etherpad/src/etherpad/collab/ace/domline.js210
-rw-r--r--etherpad/src/etherpad/collab/ace/easysync1.js923
-rw-r--r--etherpad/src/etherpad/collab/ace/easysync2.js1968
-rw-r--r--etherpad/src/etherpad/collab/ace/easysync2_tests.js877
-rw-r--r--etherpad/src/etherpad/collab/ace/linestylefilter.js247
-rw-r--r--etherpad/src/static/js/ace.js29
-rw-r--r--etherpad/src/static/js/colorutils.js91
-rw-r--r--etherpad/src/static/js/cssmanager_client.js88
-rw-r--r--etherpad/src/static/js/domline_client.js210
-rw-r--r--etherpad/src/static/js/easysync2_client.js1777
-rw-r--r--etherpad/src/static/js/linestylefilter_client.js246
13 files changed, 12 insertions, 7175 deletions
diff --git a/.gitignore b/.gitignore
index b25c15b..e48532d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,13 @@
*~
+etherpad/src/etherpad/collab/ace/contentcollector.js
+etherpad/src/etherpad/collab/ace/domline.js
+etherpad/src/etherpad/collab/ace/easysync1.js
+etherpad/src/etherpad/collab/ace/easysync2.js
+etherpad/src/etherpad/collab/ace/easysync2_tests.js
+etherpad/src/etherpad/collab/ace/linestylefilter.js
+etherpad/src/static/js/ace.js
+etherpad/src/static/js/colorutils.js
+etherpad/src/static/js/cssmanager_client.js
+etherpad/src/static/js/domline_client.js
+etherpad/src/static/js/easysync2_client.js
+etherpad/src/static/js/linestylefilter_client.js
diff --git a/etherpad/src/etherpad/collab/ace/contentcollector.js b/etherpad/src/etherpad/collab/ace/contentcollector.js
deleted file mode 100644
index 22e552a..0000000
--- a/etherpad/src/etherpad/collab/ace/contentcollector.js
+++ /dev/null
@@ -1,509 +0,0 @@
-// DO NOT EDIT THIS FILE, edit infrastructure/ace/www/contentcollector.js
-import("etherpad.collab.ace.easysync2.Changeset")
-
-/**
- * Copyright 2009 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS-IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-var _MAX_LIST_LEVEL = 8;
-
-function sanitizeUnicode(s) {
- return s.replace(/[\uffff\ufffe\ufeff\ufdd0-\ufdef\ud800-\udfff]/g, '?');
-}
-
-function makeContentCollector(collectStyles, browser, apool, domInterface,
- className2Author) {
- browser = browser || {};
-
- var dom = domInterface || {
- isNodeText: function(n) {
- return (n.nodeType == 3);
- },
- nodeTagName: function(n) {
- return n.tagName;
- },
- nodeValue: function(n) {
- return n.nodeValue;
- },
- nodeNumChildren: function(n) {
- return n.childNodes.length;
- },
- nodeChild: function(n, i) {
- return n.childNodes.item(i);
- },
- nodeProp: function(n, p) {
- return n[p];
- },
- nodeAttr: function(n, a) {
- return n.getAttribute(a);
- },
- optNodeInnerHTML: function(n) {
- return n.innerHTML;
- }
- };
-
- var _blockElems = { "div":1, "p":1, "pre":1, "li":1 };
- function isBlockElement(n) {
- return !!_blockElems[(dom.nodeTagName(n) || "").toLowerCase()];
- }
- function textify(str) {
- return sanitizeUnicode(
- str.replace(/[\n\r ]/g, ' ').replace(/\xa0/g, ' ').replace(/\t/g, ' '));
- }
- function getAssoc(node, name) {
- return dom.nodeProp(node, "_magicdom_"+name);
- }
-
- var lines = (function() {
- var textArray = [];
- var attribsArray = [];
- var attribsBuilder = null;
- var op = Changeset.newOp('+');
- var self = {
- length: function() { return textArray.length; },
- atColumnZero: function() {
- return textArray[textArray.length-1] === "";
- },
- startNew: function() {
- textArray.push("");
- self.flush(true);
- attribsBuilder = Changeset.smartOpAssembler();
- },
- textOfLine: function(i) { return textArray[i]; },
- appendText: function(txt, attrString) {
- textArray[textArray.length-1] += txt;
- //dmesg(txt+" / "+attrString);
- op.attribs = attrString;
- op.chars = txt.length;
- attribsBuilder.append(op);
- },
- textLines: function() { return textArray.slice(); },
- attribLines: function() { return attribsArray; },
- // call flush only when you're done
- flush: function(withNewline) {
- if (attribsBuilder) {
- attribsArray.push(attribsBuilder.toString());
- attribsBuilder = null;
- }
- }
- };
- self.startNew();
- return self;
- }());
- var cc = {};
- function _ensureColumnZero(state) {
- if (! lines.atColumnZero()) {
- _startNewLine(state);
- }
- }
- var selection, startPoint, endPoint;
- var selStart = [-1,-1], selEnd = [-1,-1];
- var blockElems = { "div":1, "p":1, "pre":1 };
- function _isEmpty(node, state) {
- // consider clean blank lines pasted in IE to be empty
- if (dom.nodeNumChildren(node) == 0) return true;
- if (dom.nodeNumChildren(node) == 1 &&
- getAssoc(node, "shouldBeEmpty") && dom.optNodeInnerHTML(node) == " "
- && ! getAssoc(node, "unpasted")) {
- if (state) {
- var child = dom.nodeChild(node, 0);
- _reachPoint(child, 0, state);
- _reachPoint(child, 1, state);
- }
- return true;
- }
- return false;
- }
- function _pointHere(charsAfter, state) {
- var ln = lines.length()-1;
- var chr = lines.textOfLine(ln).length;
- if (chr == 0 && state.listType && state.listType != 'none') {
- chr += 1; // listMarker
- }
- chr += charsAfter;
- return [ln, chr];
- }
- function _reachBlockPoint(nd, idx, state) {
- if (! dom.isNodeText(nd)) _reachPoint(nd, idx, state);
- }
- function _reachPoint(nd, idx, state) {
- if (startPoint && nd == startPoint.node && startPoint.index == idx) {
- selStart = _pointHere(0, state);
- }
- if (endPoint && nd == endPoint.node && endPoint.index == idx) {
- selEnd = _pointHere(0, state);
- }
- }
- function _incrementFlag(state, flagName) {
- state.flags[flagName] = (state.flags[flagName] || 0)+1;
- }
- function _decrementFlag(state, flagName) {
- state.flags[flagName]--;
- }
- function _incrementAttrib(state, attribName) {
- if (! state.attribs[attribName]) {
- state.attribs[attribName] = 1;
- }
- else {
- state.attribs[attribName]++;
- }
- _recalcAttribString(state);
- }
- function _decrementAttrib(state, attribName) {
- state.attribs[attribName]--;
- _recalcAttribString(state);
- }
- function _enterList(state, listType) {
- var oldListType = state.listType;
- state.listLevel = (state.listLevel || 0)+1;
- if (listType != 'none') {
- state.listNesting = (state.listNesting || 0)+1;
- }
- state.listType = listType;
- _recalcAttribString(state);
- return oldListType;
- }
- function _exitList(state, oldListType) {
- state.listLevel--;
- if (state.listType != 'none') {
- state.listNesting--;
- }
- state.listType = oldListType;
- _recalcAttribString(state);
- }
- function _enterAuthor(state, author) {
- var oldAuthor = state.author;
- state.authorLevel = (state.authorLevel || 0)+1;
- state.author = author;
- _recalcAttribString(state);
- return oldAuthor;
- }
- function _exitAuthor(state, oldAuthor) {
- state.authorLevel--;
- state.author = oldAuthor;
- _recalcAttribString(state);
- }
- function _recalcAttribString(state) {
- var lst = [];
- for(var a in state.attribs) {
- if (state.attribs[a]) {
- lst.push([a,'true']);
- }
- }
- if (state.authorLevel > 0) {
- var authorAttrib = ['author', state.author];
- if (apool.putAttrib(authorAttrib, true) >= 0) {
- // require that author already be in pool
- // (don't add authors from other documents, etc.)
- lst.push(authorAttrib);
- }
- }
- state.attribString = Changeset.makeAttribsString('+', lst, apool);
- }
- function _produceListMarker(state) {
- lines.appendText('*', Changeset.makeAttribsString(
- '+', [['list', state.listType],
- ['insertorder', 'first']],
- apool));
- }
- function _startNewLine(state) {
- if (state) {
- var atBeginningOfLine = lines.textOfLine(lines.length()-1).length == 0;
- if (atBeginningOfLine && state.listType && state.listType != 'none') {
- _produceListMarker(state);
- }
- }
- lines.startNew();
- }
- cc.notifySelection = function (sel) {
- if (sel) {
- selection = sel;
- startPoint = selection.startPoint;
- endPoint = selection.endPoint;
- }
- };
- cc.collectContent = function (node, state) {
- if (! state) {
- state = {flags: {/*name -> nesting counter*/},
- attribs: {/*name -> nesting counter*/},
- attribString: ''};
- }
- var isBlock = isBlockElement(node);
- var isEmpty = _isEmpty(node, state);
- if (isBlock) _ensureColumnZero(state);
- var startLine = lines.length()-1;
- _reachBlockPoint(node, 0, state);
- if (dom.isNodeText(node)) {
- var txt = dom.nodeValue(node);
- var rest = '';
- var x = 0; // offset into original text
- if (txt.length == 0) {
- if (startPoint && node == startPoint.node) {
- selStart = _pointHere(0, state);
- }
- if (endPoint && node == endPoint.node) {
- selEnd = _pointHere(0, state);
- }
- }
- while (txt.length > 0) {
- var consumed = 0;
- if (state.flags.preMode) {
- var firstLine = txt.split('\n',1)[0];
- consumed = firstLine.length+1;
- rest = txt.substring(consumed);
- txt = firstLine;
- }
- else { /* will only run this loop body once */ }
- if (startPoint && node == startPoint.node &&
- startPoint.index-x <= txt.length) {
- selStart = _pointHere(startPoint.index-x, state);
- }
- if (endPoint && node == endPoint.node &&
- endPoint.index-x <= txt.length) {
- selEnd = _pointHere(endPoint.index-x, state);
- }
- var txt2 = txt;
- if ((! state.flags.preMode) && /^[\r\n]*$/.exec(txt)) {
- // prevents textnodes containing just "\n" from being significant
- // in safari when pasting text, now that we convert them to
- // spaces instead of removing them, because in other cases
- // removing "\n" from pasted HTML will collapse words together.
- txt2 = "";
- }
- var atBeginningOfLine = lines.textOfLine(lines.length()-1).length == 0;
- if (atBeginningOfLine) {
- // newlines in the source mustn't become spaces at beginning of line box
- txt2 = txt2.replace(/^\n*/, '');
- }
- if (atBeginningOfLine && state.listType && state.listType != 'none') {
- _produceListMarker(state);
- }
- lines.appendText(textify(txt2), state.attribString);
- x += consumed;
- txt = rest;
- if (txt.length > 0) {
- _startNewLine(state);
- }
- }
- }
- else {
- var tname = (dom.nodeTagName(node) || "").toLowerCase();
- if (tname == "br") {
- _startNewLine(state);
- }
- else if (tname == "script" || tname == "style") {
- // ignore
- }
- else if (! isEmpty) {
- var styl = dom.nodeAttr(node, "style");
- var cls = dom.nodeProp(node, "className");
-
- var isPre = (tname == "pre");
- if ((! isPre) && browser.safari) {
- isPre = (styl && /\bwhite-space:\s*pre\b/i.exec(styl));
- }
- if (isPre) _incrementFlag(state, 'preMode');
- var attribs = null;
- var oldListTypeOrNull = null;
- var oldAuthorOrNull = null;
- if (collectStyles) {
- function doAttrib(na) {
- attribs = (attribs || []);
- attribs.push(na);
- _incrementAttrib(state, na);
- }
- if (tname == "b" || (styl && /\bfont-weight:\s*bold\b/i.exec(styl)) ||
- tname == "strong") {
- doAttrib("bold");
- }
- if (tname == "i" || (styl && /\bfont-style:\s*italic\b/i.exec(styl)) ||
- tname == "em") {
- doAttrib("italic");
- }
- if (tname == "u" || (styl && /\btext-decoration:\s*underline\b/i.exec(styl)) ||
- tname == "ins") {
- doAttrib("underline");
- }
- if (tname == "s" || (styl && /\btext-decoration:\s*line-through\b/i.exec(styl)) ||
- tname == "del") {
- doAttrib("strikethrough");
- }
- if (tname == "ul") {
- var type;
- var rr = cls && /(?:^| )list-(bullet[12345678])\b/.exec(cls);
- type = rr && rr[1] || "bullet"+
- String(Math.min(_MAX_LIST_LEVEL, (state.listNesting||0)+1));
- oldListTypeOrNull = (_enterList(state, type) || 'none');
- }
- else if ((tname == "div" || tname == "p") && cls &&
- cls.match(/(?:^| )ace-line\b/)) {
- oldListTypeOrNull = (_enterList(state, type) || 'none');
- }
- if (className2Author && cls) {
- var classes = cls.match(/\S+/g);
- if (classes && classes.length > 0) {
- for(var i=0;i<classes.length;i++) {
- var c = classes[i];
- var a = className2Author(c);
- if (a) {
- oldAuthorOrNull = (_enterAuthor(state, a) || 'none');
- break;
- }
- }
- }
- }
- }
-
- var nc = dom.nodeNumChildren(node);
- for(var i=0;i<nc;i++) {
- var c = dom.nodeChild(node, i);
- cc.collectContent(c, state);
- }
-
- if (isPre) _decrementFlag(state, 'preMode');
- if (attribs) {
- for(var i=0;i<attribs.length;i++) {
- _decrementAttrib(state, attribs[i]);
- }
- }
- if (oldListTypeOrNull) {
- _exitList(state, oldListTypeOrNull);
- }
- if (oldAuthorOrNull) {
- _exitAuthor(state, oldAuthorOrNull);
- }
- }
- }
- if (! browser.msie) {
- _reachBlockPoint(node, 1, state);
- }
- if (isBlock) {
- if (lines.length()-1 == startLine) {
- _startNewLine(state);
- }
- else {
- _ensureColumnZero(state);
- }
- }
-
- if (browser.msie) {
- // in IE, a point immediately after a DIV appears on the next line
- _reachBlockPoint(node, 1, state);
- }
- };
- // can pass a falsy value for end of doc
- cc.notifyNextNode = function (node) {
- // an "empty block" won't end a line; this addresses an issue in IE with
- // typing into a blank line at the end of the document. typed text
- // goes into the body, and the empty line div still looks clean.
- // it is incorporated as dirty by the rule that a dirty region has
- // to end a line.
- if ((!node) || (isBlockElement(node) && !_isEmpty(node))) {
- _ensureColumnZero(null);
- }
- };
- // each returns [line, char] or [-1,-1]
- var getSelectionStart = function() { return selStart; };
- var getSelectionEnd = function() { return selEnd; };
-
- // returns array of strings for lines found, last entry will be "" if
- // last line is complete (i.e. if a following span should be on a new line).
- // can be called at any point
- cc.getLines = function() { return lines.textLines(); };
-
- //cc.applyHints = function(hints) {
- //if (hints.pastedLines) {
- //
- //}
- //}
-
- cc.finish = function() {
- lines.flush();
- var lineAttribs = lines.attribLines();
- var lineStrings = cc.getLines();
-
- lineStrings.length--;
- lineAttribs.length--;
-
- var ss = getSelectionStart();
- var se = getSelectionEnd();
-
- function fixLongLines() {
- // design mode does not deal with with really long lines!
- var lineLimit = 2000; // chars
- var buffer = 10; // chars allowed over before wrapping
- var linesWrapped = 0;
- var numLinesAfter = 0;
- for(var i=lineStrings.length-1; i>=0; i--) {
- var oldString = lineStrings[i];
- var oldAttribString = lineAttribs[i];
- if (oldString.length > lineLimit+buffer) {
- var newStrings = [];
- var newAttribStrings = [];
- while (oldString.length > lineLimit) {
- //var semiloc = oldString.lastIndexOf(';', lineLimit-1);
- //var lengthToTake = (semiloc >= 0 ? (semiloc+1) : lineLimit);
- lengthToTake = lineLimit;
- newStrings.push(oldString.substring(0, lengthToTake));
- oldString = oldString.substring(lengthToTake);
- newAttribStrings.push(Changeset.subattribution(oldAttribString,
- 0, lengthToTake));
- oldAttribString = Changeset.subattribution(oldAttribString,
- lengthToTake);
- }
- if (oldString.length > 0) {
- newStrings.push(oldString);
- newAttribStrings.push(oldAttribString);
- }
- function fixLineNumber(lineChar) {
- if (lineChar[0] < 0) return;
- var n = lineChar[0];
- var c = lineChar[1];
- if (n > i) {
- n += (newStrings.length-1);
- }
- else if (n == i) {
- var a = 0;
- while (c > newStrings[a].length) {
- c -= newStrings[a].length;
- a++;
- }
- n += a;
- }
- lineChar[0] = n;
- lineChar[1] = c;
- }
- fixLineNumber(ss);
- fixLineNumber(se);
- linesWrapped++;
- numLinesAfter += newStrings.length;
-
- newStrings.unshift(i, 1);
- lineStrings.splice.apply(lineStrings, newStrings);
- newAttribStrings.unshift(i, 1);
- lineAttribs.splice.apply(lineAttribs, newAttribStrings);
- }
- }
- return {linesWrapped:linesWrapped, numLinesAfter:numLinesAfter};
- }
- var wrapData = fixLongLines();
-
- return { selStart: ss, selEnd: se, linesWrapped: wrapData.linesWrapped,
- numLinesAfter: wrapData.numLinesAfter,
- lines: lineStrings, lineAttribs: lineAttribs };
- }
-
- return cc;
-}
diff --git a/etherpad/src/etherpad/collab/ace/domline.js b/etherpad/src/etherpad/collab/ace/domline.js
deleted file mode 100644
index de2e7d3..0000000
--- a/etherpad/src/etherpad/collab/ace/domline.js
+++ /dev/null
@@ -1,210 +0,0 @@
-// DO NOT EDIT THIS FILE, edit infrastructure/ace/www/domline.js
-
-/**
- * Copyright 2009 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS-IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-var domline = {};
-domline.noop = function() {};
-domline.identity = function(x) { return x; };
-
-domline.addToLineClass = function(lineClass, cls) {
- // an "empty span" at any point can be used to add classes to
- // the line, using line:className. otherwise, we ignore
- // the span.
- cls.replace(/\S+/g, function (c) {
- if (c.indexOf("line:") == 0) {
- // add class to line
- lineClass = (lineClass ? lineClass+' ' : '')+c.substring(5);
- }
- });
- return lineClass;
-}
-
-// if "document" is falsy we don't create a DOM node, just
-// an object with innerHTML and className
-domline.createDomLine = function(nonEmpty, doesWrap, optBrowser, optDocument) {
- var result = { node: null,
- appendSpan: domline.noop,
- prepareForAdd: domline.noop,
- notifyAdded: domline.noop,
- clearSpans: domline.noop,
- finishUpdate: domline.noop,
- lineMarker: 0 };
-
- var browser = (optBrowser || {});
- var document = optDocument;
-
- if (document) {
- result.node = document.createElement("div");
- }
- else {
- result.node = {innerHTML: '', className: ''};
- }
-
- var html = [];
- var preHtml, postHtml;
- var curHTML = null;
- function processSpaces(s) {
- return domline.processSpaces(s, doesWrap);
- }
- var identity = domline.identity;
- var perTextNodeProcess = (doesWrap ? identity : processSpaces);
- var perHtmlLineProcess = (doesWrap ? processSpaces : identity);
- var lineClass = 'ace-line';
- result.appendSpan = function(txt, cls) {
- if (cls.indexOf('list') >= 0) {
- var listType = /(?:^| )list:(\S+)/.exec(cls);
- if (listType) {
- listType = listType[1];
- if (listType) {
- preHtml = '<ul class="list-'+listType+'"><li>';
- postHtml = '</li></ul>';
- }
- result.lineMarker += txt.length;
- return; // don't append any text
- }
- }
- var href = null;
- var simpleTags = null;
- if (cls.indexOf('url') >= 0) {
- cls = cls.replace(/(^| )url:(\S+)/g, function(x0, space, url) {
- href = url;
- return space+"url";
- });
- }
- if (cls.indexOf('tag') >= 0) {
- cls = cls.replace(/(^| )tag:(\S+)/g, function(x0, space, tag) {
- if (! simpleTags) simpleTags = [];
- simpleTags.push(tag.toLowerCase());
- return space+tag;
- });
- }
- if ((! txt) && cls) {
- lineClass = domline.addToLineClass(lineClass, cls);
- }
- else if (txt) {
- var extraOpenTags = "";
- var extraCloseTags = "";
- if (href) {
- extraOpenTags = extraOpenTags+'<a href="'+
- href.replace(/\"/g, '&quot;')+'">';
- extraCloseTags = '</a>'+extraCloseTags;
- }
- if (simpleTags) {
- simpleTags.sort();
- extraOpenTags = extraOpenTags+'<'+simpleTags.join('><')+'>';
- simpleTags.reverse();
- extraCloseTags = '</'+simpleTags.join('></')+'>'+extraCloseTags;
- }
- html.push('<span class="',cls||'','">',extraOpenTags,
- perTextNodeProcess(domline.escapeHTML(txt)),
- extraCloseTags,'</span>');
- }
- };
- result.clearSpans = function() {
- html = [];
- lineClass = ''; // non-null to cause update
- result.lineMarker = 0;
- };
- function writeHTML() {
- var newHTML = perHtmlLineProcess(html.join(''));
- if (! newHTML) {
- if ((! document) || (! optBrowser)) {
- newHTML += '&nbsp;';
- }
- else if (! browser.msie) {
- newHTML += '<br/>';
- }
- }
- if (nonEmpty) {
- newHTML = (preHtml||'')+newHTML+(postHtml||'');
- }
- html = preHtml = postHtml = null; // free memory
- if (newHTML !== curHTML) {
- curHTML = newHTML;
- result.node.innerHTML = curHTML;
- }
- if (lineClass !== null) result.node.className = lineClass;
- }
- result.prepareForAdd = writeHTML;
- result.finishUpdate = writeHTML;
- result.getInnerHTML = function() { return curHTML || ''; };
-
- return result;
-};
-
-domline.escapeHTML = function(s) {
- var re = /[&<>'"]/g; /']/; // stupid indentation thing
- if (! re.MAP) {
- // persisted across function calls!
- re.MAP = {
- '&': '&amp;',
- '<': '&lt;',
- '>': '&gt;',
- '"': '&#34;',
- "'": '&#39;'
- };
- }
- return s.replace(re, function(c) { return re.MAP[c]; });
-};
-
-domline.processSpaces = function(s, doesWrap) {
- if (s.indexOf("<") < 0 && ! doesWrap) {
- // short-cut
- return s.replace(/ /g, '&nbsp;');
- }
- var parts = [];
- s.replace(/<[^>]*>?| |[^ <]+/g, function(m) { parts.push(m); });
- if (doesWrap) {
- var endOfLine = true;
- var beforeSpace = false;
- // last space in a run is normal, others are nbsp,
- // end of line is nbsp
- for(var i=parts.length-1;i>=0;i--) {
- var p = parts[i];
- if (p == " ") {
- if (endOfLine || beforeSpace)
- parts[i] = '&nbsp;';
- endOfLine = false;
- beforeSpace = true;
- }
- else if (p.charAt(0) != "<") {
- endOfLine = false;
- beforeSpace = false;
- }
- }
- // beginning of line is nbsp
- for(var i=0;i<parts.length;i++) {
- var p = parts[i];
- if (p == " ") {
- parts[i] = '&nbsp;';
- break;
- }
- else if (p.charAt(0) != "<") {
- break;
- }
- }
- }
- else {
- for(var i=0;i<parts.length;i++) {
- var p = parts[i];
- if (p == " ") {
- parts[i] = '&nbsp;';
- }
- }
- }
- return parts.join('');
-};
diff --git a/etherpad/src/etherpad/collab/ace/easysync1.js b/etherpad/src/etherpad/collab/ace/easysync1.js
deleted file mode 100644
index 4f40aa0..0000000
--- a/etherpad/src/etherpad/collab/ace/easysync1.js
+++ /dev/null
@@ -1,923 +0,0 @@
-// DO NOT EDIT THIS FILE, edit infrastructure/ace/www/easy_sync.js
-
-/**
- * Copyright 2009 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS-IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-function Changeset(arg) {
-
- var array;
- if ((typeof arg) == "string") {
- // constant
- array = [Changeset.MAGIC, 0, arg.length, 0, 0, arg];
- }
- else if ((typeof arg) == "number") {
- var n = Math.round(arg);
- // delete-all on n-length text (useful for making a "builder")
- array = [Changeset.MAGIC, n, 0, 0, 0, ""];
- }
- else if (! arg) {
- // identity on 0-length text
- array = [Changeset.MAGIC, 0, 0, 0, 0, ""];
- }
- else if (arg.isChangeset) {
- return arg;
- }
- else array = arg;
-
- array.isChangeset = true;
-
- // OOP style: attach generic methods to array object, hold no state in environment
-
- //function error(msg) { top.console.error(msg); top.console.trace(); }
- function error(msg) { var e = new Error(msg); e.easysync = true; throw e; }
- function assert(b, msg) { if (! b) error("Changeset: "+String(msg)); }
- function min(x, y) { return (x < y) ? x : y; }
- Changeset._assert = assert;
-
- array.isIdentity = function() {
- return this.length == 6 && this[1] == this[2] && this[3] == 0 &&
- this[4] == this[1] && this[5] == "";
- }
-
- array.eachStrip = function(func, thisObj) {
- // inside "func", the method receiver will be "this" by default,
- // or you can pass an object.
- for(var i=0;i<this.numStrips();i++) {
- var ptr = 3 + i*3;
- if (func.call(thisObj || this, this[ptr], this[ptr+1], this[ptr+2], i))
- return true;
- }
- return false;
- }
-
- array.numStrips = function() { return (this.length-3)/3; };
- array.oldLen = function() { return this[1]; };
- array.newLen = function() { return this[2]; };
-
- array.checkRep = function() {
- assert(this[0] == Changeset.MAGIC, "bad magic");
- assert(this[1] >= 0, "bad old text length");
- assert(this[2] >= 0, "bad new text length");
- assert((this.length % 3) == 0, "bad array length");
- assert(this.length >= 6, "must be at least one strip");
- var numStrips = this.numStrips();
- var oldLen = this[1];
- var newLen = this[2];
- // iterate over the "text strips"
- var actualNewLen = 0;
- this.eachStrip(function(startIndex, numTaken, newText, i) {
- var s = startIndex, t = numTaken, n = newText;
- var isFirst = (i == 0);
- var isLast = (i == numStrips-1);
- assert(t >= 0, "can't take negative number of chars");
- assert(isFirst || t > 0, "all strips but first must take");
- assert((t > 0) || (s == 0), "if first strip doesn't take, must have 0 startIndex");
- assert(s >= 0 && s + t <= oldLen, "bad index: "+this.toString());
- assert(t > 0 || n.length > 0 || (isFirst && isLast), "empty strip must be first and only");
- if (! isLast) {
- var s2 = this[3 + i*3 + 3]; // startIndex of following strip
- var gap = s2 - (s + t);
- assert(gap >= 0, "overlapping or out-of-order strips: "+this.toString());
- assert(gap > 0 || n.length > 0, "touching strips with no added text");
- }
- actualNewLen += t + n.length;
- });
- assert(newLen == actualNewLen, "calculated new text length doesn't match");
- }
-
- array.applyToText = function(text) {
- assert(text.length == this.oldLen(), "mismatched apply: "+text.length+" / "+this.oldLen());
- var buf = [];
- this.eachStrip(function (s, t, n) {
- buf.push(text.substr(s, t), n);
- });
- return buf.join('');
- }
-
- function _makeBuilder(oldLen, supportAuthors) {
- var C = Changeset(oldLen);
- if (supportAuthors) {
- _ensureAuthors(C);
- }
- return C.builder();
- }
-
- function _getNumInserted(C) {
- var numChars = 0;
- C.eachStrip(function(s,t,n) {
- numChars += n.length;
- });
- return numChars;
- }
-
- function _ensureAuthors(C) {
- if (! C.authors) {
- C.setAuthor();
- }
- return C;
- }
-
- array.setAuthor = function(author) {
- var C = this;
- // authors array has even length >= 2;
- // alternates [numChars1, author1, numChars2, author2];
- // all numChars > 0 unless there is exactly one, in which
- // case it can be == 0.
- C.authors = [_getNumInserted(C), author || ''];
- return C;
- }
-
- array.builder = function() {
- // normal pattern is Changeset(oldLength).builder().appendOldText(...). ...
- // builder methods mutate this!
- var C = this;
- // OOP style: state in environment
- var self;
- return self = {
- appendNewText: function(str, author) {
- C[C.length-1] += str;
- C[2] += str.length;
-
- if (C.authors) {
- var a = (author || '');
- var lastAuthorPtr = C.authors.length-1;
- var lastAuthorLengthPtr = C.authors.length-2;
- if ((!a) || a == C.authors[lastAuthorPtr]) {
- C.authors[lastAuthorLengthPtr] += str.length;
- }
- else if (0 == C.authors[lastAuthorLengthPtr]) {
- C.authors[lastAuthorLengthPtr] = str.length;
- C.authors[lastAuthorPtr] = (a || C.authors[lastAuthorPtr]);
- }
- else {
- C.authors.push(str.length, a);
- }
- }
-
- return self;
- },
- appendOldText: function(startIndex, numTaken) {
- if (numTaken == 0) return self;
- // properties of last strip...
- var s = C[C.length-3], t = C[C.length-2], n = C[C.length-1];
- if (t == 0 && n == "") {
- // must be empty changeset, one strip that doesn't take old chars or add new ones
- C[C.length-3] = startIndex;
- C[C.length-2] = numTaken;
- }
- else if (n == "" && (s+t == startIndex)) {
- C[C.length-2] += numTaken; // take more
- }
- else C.push(startIndex, numTaken, ""); // add a strip
- C[2] += numTaken;
- C.checkRep();
- return self;
- },
- toChangeset: function() { return C; }
- };
- }
-
- array.authorSlicer = function(outputBuilder) {
- return _makeAuthorSlicer(this, outputBuilder);
- }
-
- function _makeAuthorSlicer(changesetOrAuthorsIn, builderOut) {
- // "builderOut" only needs to support appendNewText
- var authors; // considered immutable
- if (changesetOrAuthorsIn.isChangeset) {
- authors = changesetOrAuthorsIn.authors;
- }
- else {
- authors = changesetOrAuthorsIn;
- }
-
- // OOP style: state in environment
- var authorPtr = 0;
- var charIndex = 0;
- var charWithinAuthor = 0; // 0 <= charWithinAuthor <= authors[authorPtr]; max value iff atEnd
- var atEnd = false;
- function curAuthor() { return authors[authorPtr+1]; }
- function curAuthorWidth() { return authors[authorPtr]; }
- function assertNotAtEnd() { assert(! atEnd, "_authorSlicer: can't move past end"); }
- function forwardInAuthor(numChars) {
- charWithinAuthor += numChars;
- charIndex += numChars;
- }
- function nextAuthor() {
- assertNotAtEnd();
- assert(charWithinAuthor == curAuthorWidth(), "_authorSlicer: not at author end");
- charWithinAuthor = 0;
- authorPtr += 2;
- if (authorPtr == authors.length) {
- atEnd = true;
- }
- }
-
- var self;
- return self = {
- skipChars: function(n) {
- assert(n >= 0, "_authorSlicer: can't skip negative n");
- if (n == 0) return;
- assertNotAtEnd();
-
- var leftToSkip = n;
- while (leftToSkip > 0) {
- var leftInAuthor = curAuthorWidth() - charWithinAuthor;
- if (leftToSkip >= leftInAuthor) {
- forwardInAuthor(leftInAuthor);
- leftToSkip -= leftInAuthor;
- nextAuthor();
- }
- else {
- forwardInAuthor(leftToSkip);
- leftToSkip = 0;
- }
- }
- },
- takeChars: function(n, text) {
- assert(n >= 0, "_authorSlicer: can't take negative n");
- if (n == 0) return;
- assertNotAtEnd();
- assert(n == text.length, "_authorSlicer: bad text length");
-
- var textLeft = text;
- var leftToTake = n;
- while (leftToTake > 0) {
- if (curAuthorWidth() > 0 && charWithinAuthor < curAuthorWidth()) {
- // at least one char to take from current author
- var leftInAuthor = (curAuthorWidth() - charWithinAuthor);
- assert(leftInAuthor > 0, "_authorSlicer: should have leftInAuthor > 0");
- var toTake = min(leftInAuthor, leftToTake);
- assert(toTake > 0, "_authorSlicer: should have toTake > 0");
- builderOut.appendNewText(textLeft.substring(0, toTake), curAuthor());
- forwardInAuthor(toTake);
- leftToTake -= toTake;
- textLeft = textLeft.substring(toTake);
- }
- assert(charWithinAuthor <= curAuthorWidth(), "_authorSlicer: past end of author");
- if (charWithinAuthor == curAuthorWidth()) {
- nextAuthor();
- }
- }
- },
- setBuilder: function(builder) {
- builderOut = builder;
- }
- };
- }
-
- function _makeSlicer(C, output) {
- // C: Changeset, output: builder from _makeBuilder
- // C is considered immutable, won't change or be changed
-
- // OOP style: state in environment
- var charIndex = 0; // 0 <= charIndex <= C.newLen(); maximum value iff atEnd
- var stripIndex = 0; // 0 <= stripIndex <= C.numStrips(); maximum value iff atEnd
- var charWithinStrip = 0; // 0 <= charWithinStrip < curStripWidth()
- var atEnd = false;
-
- var authorSlicer;
- if (C.authors) {
- authorSlicer = _makeAuthorSlicer(C.authors, output);
- }
-
- var ptr = 3;
- function curStartIndex() { return C[ptr]; }
- function curNumTaken() { return C[ptr+1]; }
- function curNewText() { return C[ptr+2]; }
- function curStripWidth() { return curNumTaken() + curNewText().length; }
- function assertNotAtEnd() { assert(! atEnd, "_slicer: can't move past changeset end"); }
- function forwardInStrip(numChars) {
- charWithinStrip += numChars;
- charIndex += numChars;
- }
- function nextStrip() {
- assertNotAtEnd();
- assert(charWithinStrip == curStripWidth(), "_slicer: not at strip end");
- charWithinStrip = 0;
- stripIndex++;
- ptr += 3;
- if (stripIndex == C.numStrips()) {
- atEnd = true;
- }
- }
- function curNumNewCharsInRange(start, end) {
- // takes two indices into the current strip's combined "taken" and "new"
- // chars, and returns how many "new" chars are included in the range
- assert(start <= end, "_slicer: curNumNewCharsInRange given out-of-order indices");
- var nt = curNumTaken();
- var nn = curNewText().length;
- var s = nt;
- var e = nt+nn;
- if (s < start) s = start;
- if (e > end) e = end;
- if (e < s) return 0;
- return e-s;
- }
-
- var self;
- return self = {
- skipChars: function (n) {
- assert(n >= 0, "_slicer: can't skip negative n");
- if (n == 0) return;
- assertNotAtEnd();
-
- var leftToSkip = n;
- while (leftToSkip > 0) {
- var leftInStrip = curStripWidth() - charWithinStrip;
- if (leftToSkip >= leftInStrip) {
- forwardInStrip(leftInStrip);
-
- if (authorSlicer)
- authorSlicer.skipChars(curNumNewCharsInRange(charWithinStrip,
- charWithinStrip + leftInStrip));
-
- leftToSkip -= leftInStrip;
- nextStrip();
- }
- else {
- if (authorSlicer)
- authorSlicer.skipChars(curNumNewCharsInRange(charWithinStrip,
- charWithinStrip + leftToSkip));
-
- forwardInStrip(leftToSkip);
- leftToSkip = 0;
- }
- }
- },
- takeChars: function (n) {
- assert(n >= 0, "_slicer: can't take negative n");
- if (n == 0) return;
- assertNotAtEnd();
-
- var leftToTake = n;
- while (leftToTake > 0) {
- if (curNumTaken() > 0 && charWithinStrip < curNumTaken()) {
- // at least one char to take from current strip's numTaken
- var leftInTaken = (curNumTaken() - charWithinStrip);
- assert(leftInTaken > 0, "_slicer: should have leftInTaken > 0");
- var toTake = min(leftInTaken, leftToTake);
- assert(toTake > 0, "_slicer: should have toTake > 0");
- output.appendOldText(curStartIndex() + charWithinStrip, toTake);
- forwardInStrip(toTake);
- leftToTake -= toTake;
- }
- if (leftToTake > 0 && curNewText().length > 0 && charWithinStrip >= curNumTaken() &&
- charWithinStrip < curStripWidth()) {
- // at least one char to take from current strip's newText
- var leftInNewText = (curStripWidth() - charWithinStrip);
- assert(leftInNewText > 0, "_slicer: should have leftInNewText > 0");
- var toTake = min(leftInNewText, leftToTake);
- assert(toTake > 0, "_slicer: should have toTake > 0");
- var newText = curNewText().substr(charWithinStrip - curNumTaken(), toTake);
- if (authorSlicer) {
- authorSlicer.takeChars(newText.length, newText);
- }
- else {
- output.appendNewText(newText);
- }
- forwardInStrip(toTake);
- leftToTake -= toTake;
- }
- assert(charWithinStrip <= curStripWidth(), "_slicer: past end of strip");
- if (charWithinStrip == curStripWidth()) {
- nextStrip();
- }
- }
- },
- skipTo: function(n) {
- self.skipChars(n - charIndex);
- }
- };
- }
-
- array.slicer = function(outputBuilder) {
- return _makeSlicer(this, outputBuilder);
- }
-
- array.compose = function(next) {
- assert(next.oldLen() == this.newLen(), "mismatched composition");
-
- var builder = _makeBuilder(this.oldLen(), !!(this.authors || next.authors));
- var slicer = _makeSlicer(this, builder);
-
- var authorSlicer;
- if (next.authors) {
- authorSlicer = _makeAuthorSlicer(next.authors, builder);
- }
-
- next.eachStrip(function(s, t, n) {
- slicer.skipTo(s);
- slicer.takeChars(t);
- if (authorSlicer) {
- authorSlicer.takeChars(n.length, n);
- }
- else {
- builder.appendNewText(n);
- }
- }, this);
-
- return builder.toChangeset();
- };
-
- array.traverser = function() {
- return _makeTraverser(this);
- }
-
- function _makeTraverser(C) {
- var s = C[3], t = C[4], n = C[5];
- var nextIndex = 6;
- var indexIntoNewText = 0;
-
- var authorSlicer;
- if (C.authors) {
- authorSlicer = _makeAuthorSlicer(C.authors, null);
- }
-
- function advanceIfPossible() {
- if (t == 0 && n == "" && nextIndex < C.length) {
- s = C[nextIndex];
- t = C[nextIndex+1];
- n = C[nextIndex+2];
- nextIndex += 3;
- }
- }
-
- var self;
- return self = {
- numTakenChars: function() {
- // if starts with taken characters, then how many, else 0
- return (t > 0) ? t : 0;
- },
- numNewChars: function() {
- // if starts with new characters, then how many, else 0
- return (t == 0 && n.length > 0) ? n.length : 0;
- },
- takenCharsStart: function() {
- return (self.numTakenChars() > 0) ? s : 0;
- },
- hasMore: function() {
- return self.numTakenChars() > 0 || self.numNewChars() > 0;
- },
- curIndex: function() {
- return indexIntoNewText;
- },
- consumeTakenChars: function (x) {
- assert(self.numTakenChars() > 0, "_traverser: no taken chars");
- assert(x >= 0 && x <= self.numTakenChars(), "_traverser: bad number of taken chars");
- if (x == 0) return;
- if (t == x) { s = 0; t = 0; }
- else { s += x; t -= x; }
- indexIntoNewText += x;
- advanceIfPossible();
- },
- consumeNewChars: function(x) {
- return self.appendNewChars(x, null);
- },
- appendNewChars: function(x, builder) {
- assert(self.numNewChars() > 0, "_traverser: no new chars");
- assert(x >= 0 && x <= self.numNewChars(), "_traverser: bad number of new chars");
- if (x == 0) return "";
- var str = n.substring(0, x);
- n = n.substring(x);
- indexIntoNewText += x;
- advanceIfPossible();
-
- if (builder) {
- if (authorSlicer) {
- authorSlicer.setBuilder(builder);
- authorSlicer.takeChars(x, str);
- }
- else {
- builder.appendNewText(str);
- }
- }
- else {
- if (authorSlicer) authorSlicer.skipChars(x);
- return str;
- }
- },
- consumeAvailableTakenChars: function() {
- return self.consumeTakenChars(self.numTakenChars());
- },
- consumeAvailableNewChars: function() {
- return self.consumeNewChars(self.numNewChars());
- },
- appendAvailableNewChars: function(builder) {
- return self.appendNewChars(self.numNewChars(), builder);
- }
- };
- }
-
- array.follow = function(prev, reverseInsertOrder) {
- // prev: Changeset, reverseInsertOrder: boolean
-
- // A.compose(B.follow(A)) is the merging of Changesets A and B, which operate on the same old text.
- // It is always the same as B.compose(A.follow(B, true)).
-
- assert(prev.oldLen() == this.oldLen(), "mismatched follow: "+prev.oldLen()+"/"+this.oldLen());
- var builder = _makeBuilder(prev.newLen(), !! this.authors);
- var a = _makeTraverser(prev);
- var b = _makeTraverser(this);
- while (a.hasMore() || b.hasMore()) {
- if (a.numNewChars() > 0 && ! reverseInsertOrder) {
- builder.appendOldText(a.curIndex(), a.numNewChars());
- a.consumeAvailableNewChars();
- }
- else if (b.numNewChars() > 0) {
- b.appendAvailableNewChars(builder);
- }
- else if (a.numNewChars() > 0 && reverseInsertOrder) {
- builder.appendOldText(a.curIndex(), a.numNewChars());
- a.consumeAvailableNewChars();
- }
- else if (! b.hasMore()) a.consumeAvailableTakenChars();
- else if (! a.hasMore()) b.consumeAvailableTakenChars();
- else {
- var x = a.takenCharsStart();
- var y = b.takenCharsStart();
- if (x < y) a.consumeTakenChars(min(a.numTakenChars(), y-x));
- else if (y < x) b.consumeTakenChars(min(b.numTakenChars(), x-y));
- else {
- var takenByBoth = min(a.numTakenChars(), b.numTakenChars());
- builder.appendOldText(a.curIndex(), takenByBoth);
- a.consumeTakenChars(takenByBoth);
- b.consumeTakenChars(takenByBoth);
- }
- }
- }
- return builder.toChangeset();
- }
-
- array.encodeToString = function(asBinary) {
- var stringDataArray = [];
- var numsArray = [];
- if (! asBinary) numsArray.push(this[0]);
- numsArray.push(this[1], this[2]);
- this.eachStrip(function(s, t, n) {
- numsArray.push(s, t, n.length);
- stringDataArray.push(n);
- }, this);
- if (! asBinary) {
- return numsArray.join(',')+'|'+stringDataArray.join('');
- }
- else {
- return "A" + Changeset.numberArrayToString(numsArray)
- +escapeCrazyUnicode(stringDataArray.join(''));
- }
- }
-
- function escapeCrazyUnicode(str) {
- return str.replace(/\\/g, '\\\\').replace(/[\ud800-\udfff]/g, function (c) {
- return "\\u"+("0000"+c.charCodeAt(0).toString(16)).slice(-4);
- });
- }
-
- array.applyToAttributedText = Changeset.applyToAttributedText;
-
- function splicesFromChanges(c) {
- var splices = [];
- // get a list of splices, [startChar, endChar, newText]
- var traverser = c.traverser();
- var oldTextLength = c.oldLen();
- var indexIntoOldText = 0;
- while (traverser.hasMore() || indexIntoOldText < oldTextLength) {
- var newText = "";
- var startChar = indexIntoOldText;
- var endChar = indexIntoOldText;
- if (traverser.numNewChars() > 0) {
- newText = traverser.consumeAvailableNewChars();
- }
- if (traverser.hasMore()) {
- endChar = traverser.takenCharsStart();
- indexIntoOldText = endChar + traverser.numTakenChars();
- traverser.consumeAvailableTakenChars();
- }
- else {
- endChar = oldTextLength;
- indexIntoOldText = endChar;
- }
- if (endChar != startChar || newText.length > 0) {
- splices.push([startChar, endChar, newText]);
- }
- }
- return splices;
- }
-
- array.toSplices = function() {
- return splicesFromChanges(this);
- }
-
- array.characterRangeFollowThis = function(selStartChar, selEndChar, insertionsAfter) {
- var changeset = this;
- // represent the selection as a changeset that replaces the selection with some finite string.
- // Because insertions indicate intention, it doesn't matter what this string is, and even
- // if the selectionChangeset is made to "follow" other changes it will still be the only
- // insertion.
- var selectionChangeset =
- Changeset(changeset.oldLen()).builder().appendOldText(0, selStartChar).appendNewText(
- "X").appendOldText(selEndChar, changeset.oldLen() - selEndChar).toChangeset();
- var newSelectionChangeset = selectionChangeset.follow(changeset, insertionsAfter);
- var selectionSplices = newSelectionChangeset.toSplices();
- function includeChar(i) {
- if (! includeChar.calledYet) {
- selStartChar = i;
- selEndChar = i;
- includeChar.calledYet = true;
- }
- else {
- if (i < selStartChar) selStartChar = i;
- if (i > selEndChar) selEndChar = i;
- }
- }
- for(var i=0; i<selectionSplices.length; i++) {
- var s = selectionSplices[i];
- includeChar(s[0]);
- includeChar(s[1]);
- }
- return [selStartChar, selEndChar];
- }
-
- return array;
-}
-
-Changeset.MAGIC = "Changeset";
-Changeset.makeSplice = function(oldLength, spliceStart, numRemoved, stringInserted) {
- oldLength = (oldLength || 0);
- spliceStart = (spliceStart || 0);
- numRemoved = (numRemoved || 0);
- stringInserted = String(stringInserted || "");
-
- var builder = Changeset(oldLength).builder();
- builder.appendOldText(0, spliceStart);
- builder.appendNewText(stringInserted);
- builder.appendOldText(spliceStart + numRemoved, oldLength - numRemoved - spliceStart);
- return builder.toChangeset();
-};
-Changeset.identity = function(len) {
- return Changeset(len).builder().appendOldText(0, len).toChangeset();
-};
-Changeset.decodeFromString = function(str) {
- function error(msg) { var e = new Error(msg); e.easysync = true; throw e; }
- function toHex(str) {
- var a = [];
- a.push("length["+str.length+"]:");
- var TRUNC=20;
- for(var i=0;i<str.substring(0,TRUNC).length;i++) {
- a.push(("000"+str.charCodeAt(i).toString(16)).slice(-4));
- }
- if (str.length > TRUNC) a.push("...");
- return a.join(' ');
- }
- function unescapeCrazyUnicode(str) {
- return str.replace(/\\(u....|\\)/g, function(seq) {
- if (seq == "\\\\") return "\\";
- return String.fromCharCode(Number("0x"+seq.substring(2)));
- });
- }
-
- var numData, stringData;
- var binary = false;
- var typ = str.charAt(0);
- if (typ == "B" || typ == "A") {
- var result = Changeset.numberArrayFromString(str, 1);
- numData = result[0];
- stringData = result[1];
- if (typ == "A") {
- stringData = unescapeCrazyUnicode(stringData);
- }
- binary = true;
- }
- else if (typ == "C") {
- var barPosition = str.indexOf('|');
- numData = str.substring(0, barPosition).split(',');
- stringData = str.substring(barPosition+1);
- }
- else {
- error("Not a changeset: "+toHex(str));
- }
- var stringDataOffset = 0;
- var array = [];
- var ptr;
- if (binary) {
- array.push("Changeset", numData[0], numData[1]);
- var ptr = 2;
- }
- else {
- array.push(numData[0], Number(numData[1]), Number(numData[2]));
- var ptr = 3;
- }
- while (ptr < numData.length) {
- array.push(Number(numData[ptr++]), Number(numData[ptr++]));
- var newTextLength = Number(numData[ptr++]);
- array.push(stringData.substr(stringDataOffset, newTextLength));
- stringDataOffset += newTextLength;
- }
- if (stringDataOffset != stringData.length) {
- error("Extra character data beyond end of encoded string ("+toHex(str)+")");
- }
- return Changeset(array);
-};
-
-Changeset.numberArrayToString = function(nums) {
- var array = [];
- function writeNum(n) {
- // does not support negative numbers
- var twentyEightBit = (n & 0xfffffff);
- if (twentyEightBit <= 0x7fff) {
- array.push(String.fromCharCode(twentyEightBit));
- }
- else {
- array.push(String.fromCharCode(0xa000 | (twentyEightBit >> 15),
- twentyEightBit & 0x7fff));
- }
- }
- writeNum(nums.length);
- var len = nums.length;
- for(var i=0;i<len;i++) {
- writeNum(nums[i]);
- }
- return array.join('');
-};
-
-Changeset.numberArrayFromString = function(str, startIndex) {
- // returns [numberArray, remainingString]
- var nums = [];
- var strIndex = (startIndex || 0);
- function readNum() {
- var n = str.charCodeAt(strIndex++);
- if (n > 0x7fff) {
- if (n >= 0xa000) {
- n = (((n & 0x1fff) << 15) | str.charCodeAt(strIndex++));
- }
- else {
- // legacy format
- n = (((n & 0x1fff) << 16) | str.charCodeAt(strIndex++));
- }
- }
- return n;
- }
- var len = readNum();
- for(var i=0;i<len;i++) {
- nums.push(readNum());
- }
- return [nums, str.substring(strIndex)];
-};
-
-(function() {
- function repeatString(str, times) {
- if (times <= 0) return "";
- var s = repeatString(str, times >> 1);
- s += s;
- if (times & 1) s += str;
- return s;
- }
- function chr(n) { return String.fromCharCode(n+48); }
- function ord(c) { return c.charCodeAt(0)-48; }
- function runMatcher(c) {
- // Takes "A" and returns /\u0041+/g .
- // Avoid creating new objects unnecessarily by caching matchers
- // as properties of this function.
- var re = runMatcher[c];
- if (re) return re;
- re = runMatcher[c] = new RegExp("\\u"+("0000"+c.charCodeAt(0).toString(16)).slice(-4)+"+", 'g');
- return re;
- }
- function runLength(str, idx, c) {
- var re = runMatcher(c);
- re.lastIndex = idx;
- var result = re.exec(str);
- if (result && result[0]) {
- return result[0].length;
- }
- return 0;
- }
-
- // emptyObj may be a StorableObject
- Changeset.initAttributedText = function(emptyObj, initialString, initialAuthor) {
- var obj = emptyObj;
- obj.authorMap = { 1: (initialAuthor || '') };
- obj.text = (initialString || '');
- obj.attribs = repeatString(chr(1), obj.text.length);
- return obj;
- };
- Changeset.gcAttributedText = function(atObj) {
- // "garbage collect" the list of authors
- var removedAuthors = [];
- for(var a in atObj.authorMap) {
- if (atObj.attribs.indexOf(chr(Number(a))) < 0) {
- removedAuthors.push(atObj.authorMap[a]);
- delete atObj.authorMap[a];
- }
- }
- return removedAuthors;
- };
- Changeset.cloneAttributedText = function(emptyObj, atObj) {
- var obj = emptyObj;
- obj.text = atObj.text; // string
- if (atObj.attribs) obj.attribs = atObj.attribs; // string
- if (atObj.attribs_c) obj.attribs_c = atObj.attribs_c; // string
- obj.authorMap = {};
- for(var a in atObj.authorMap) {
- obj.authorMap[a] = atObj.authorMap[a];
- }
- return obj;
- };
- Changeset.applyToAttributedText = function(atObj, C) {
- C = (C || this);
- var oldText = atObj.text;
- var oldAttribs = atObj.attribs;
- Changeset._assert(C.isChangeset, "applyToAttributedText: 'this' is not a changeset");
- Changeset._assert(oldText.length == C.oldLen(),
- "applyToAttributedText: mismatch "+oldText.length+" / "+C.oldLen());
- var textBuf = [];
- var attribsBuf = [];
- var authorMap = atObj.authorMap;
- function authorId(author) {
- for(var a in authorMap) {
- if (authorMap[Number(a)] === author) {
- return Number(a);
- }
- }
- for(var i=1;i<=60000;i++) {
- // don't use "in" because it's currently broken on StorableObjects
- if (authorMap[i] === undefined) {
- authorMap[i] = author;
- return i;
- }
- }
- }
- var myBuilder = { appendNewText: function(txt, author) {
- // object that acts as a "builder" in that it receives requests from
- // authorSlicer to append text attributed to different authors
- attribsBuf.push(repeatString(chr(authorId(author)), txt.length));
- } };
- var authorSlicer;
- if (C.authors) {
- authorSlicer = C.authorSlicer(myBuilder);
- }
- C.eachStrip(function (s, t, n) {
- textBuf.push(oldText.substr(s, t), n);
- attribsBuf.push(oldAttribs.substr(s, t));
- if (authorSlicer) {
- authorSlicer.takeChars(n.length, n);
- }
- else {
- myBuilder.appendNewText(n, '');
- }
- });
- atObj.text = textBuf.join('');
- atObj.attribs = attribsBuf.join('');
- return atObj;
- };
- Changeset.getAttributedTextCharAuthor = function(atObj, idx) {
- return atObj.authorMap[ord(atObj.attribs.charAt(idx))];
- };
- Changeset.getAttributedTextCharRunLength = function(atObj, idx) {
- var c = atObj.attribs.charAt(idx);
- return runLength(atObj.attribs, idx, c);
- };
- Changeset.eachAuthorInAttributedText = function(atObj, func) {
- // call func(author, authorNum)
- for(var a in atObj.authorMap) {
- if (func(atObj.authorMap[a], Number(a))) break;
- }
- };
- Changeset.getAttributedTextAuthorByNum = function(atObj, n) {
- return atObj.authorMap[n];
- };
- // Compressed attributed text can be cloned, but nothing else until uncompressed!!
- Changeset.compressAttributedText = function(atObj) {
- // idempotent, mutates the object, returns it
- if (atObj.attribs) {
- atObj.attribs_c = atObj.attribs.replace(/([\s\S])\1{0,63}/g, function(run) {
- return run.charAt(0)+chr(run.length);;
- });
- delete atObj.attribs;
- }
- return atObj;
- };
- Changeset.decompressAttributedText = function(atObj) {
- // idempotent, mutates the object, returns it
- if (atObj.attribs_c) {
- atObj.attribs = atObj.attribs_c.replace(/[\s\S][\s\S]/g, function(run) {
- return repeatString(run.charAt(0), ord(run.charAt(1)));
- });
- delete atObj.attribs_c;
- }
- return atObj;
- };
-})();
diff --git a/etherpad/src/etherpad/collab/ace/easysync2.js b/etherpad/src/etherpad/collab/ace/easysync2.js
deleted file mode 100644
index 0fa1ec4..0000000
--- a/etherpad/src/etherpad/collab/ace/easysync2.js
+++ /dev/null
@@ -1,1968 +0,0 @@
-// DO NOT EDIT THIS FILE, edit infrastructure/ace/www/easysync2.js
-jimport("com.etherpad.Easysync2Support");
-
-/**
- * Copyright 2009 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS-IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-//var _opt = (this.Easysync2Support || null);
-var _opt = null; // disable optimization for now
-
-function AttribPool() {
- var p = {};
- p.numToAttrib = {}; // e.g. {0: ['foo','bar']}
- p.attribToNum = {}; // e.g. {'foo,bar': 0}
- p.nextNum = 0;
-
- p.putAttrib = function(attrib, dontAddIfAbsent) {
- var str = String(attrib);
- if (str in p.attribToNum) {
- return p.attribToNum[str];
- }
- if (dontAddIfAbsent) {
- return -1;
- }
- var num = p.nextNum++;
- p.attribToNum[str] = num;
- p.numToAttrib[num] = [String(attrib[0]||''),
- String(attrib[1]||'')];
- return num;
- };
-
- p.getAttrib = function(num) {
- var pair = p.numToAttrib[num];
- if (! pair) return pair;
- return [pair[0], pair[1]]; // return a mutable copy
- };
-
- p.getAttribKey = function(num) {
- var pair = p.numToAttrib[num];
- if (! pair) return '';
- return pair[0];
- };
-
- p.getAttribValue = function(num) {
- var pair = p.numToAttrib[num];
- if (! pair) return '';
- return pair[1];
- };
-
- p.eachAttrib = function(func) {
- for(var n in p.numToAttrib) {
- var pair = p.numToAttrib[n];
- func(pair[0], pair[1]);
- }
- };
-
- p.toJsonable = function() {
- return {numToAttrib: p.numToAttrib, nextNum: p.nextNum};
- };
-
- p.fromJsonable = function(obj) {
- p.numToAttrib = obj.numToAttrib;
- p.nextNum = obj.nextNum;
- p.attribToNum = {};
- for(var n in p.numToAttrib) {
- p.attribToNum[String(p.numToAttrib[n])] = Number(n);
- }
- return p;
- };
-
- return p;
-}
-
-var Changeset = {};
-
-Changeset.error = function error(msg) { var e = new Error(msg); e.easysync = true; throw e; };
-Changeset.assert = function assert(b, msgParts) {
- if (! b) {
- var msg = Array.prototype.slice.call(arguments, 1).join('');
- Changeset.error("Changeset: "+msg);
- }
-};
-
-Changeset.parseNum = function(str) { return parseInt(str, 36); };
-Changeset.numToString = function(num) { return num.toString(36).toLowerCase(); };
-Changeset.toBaseTen = function(cs) {
- var dollarIndex = cs.indexOf('$');
- var beforeDollar = cs.substring(0, dollarIndex);
- var fromDollar = cs.substring(dollarIndex);
- return beforeDollar.replace(/[0-9a-z]+/g, function(s) {
- return String(Changeset.parseNum(s)); }) + fromDollar;
-};
-
-Changeset.oldLen = function(cs) {
- return Changeset.unpack(cs).oldLen;
-};
-Changeset.newLen = function(cs) {
- return Changeset.unpack(cs).newLen;
-};
-
-Changeset.opIterator = function(opsStr, optStartIndex) {
- //print(opsStr);
- var regex = /((?:\*[0-9a-z]+)*)(?:\|([0-9a-z]+))?([-+=])([0-9a-z]+)|\?|/g;
- var startIndex = (optStartIndex || 0);
- var curIndex = startIndex;
- var prevIndex = curIndex;
- function nextRegexMatch() {
- prevIndex = curIndex;
- var result;
- if (_opt) {
- result = _opt.nextOpInString(opsStr, curIndex);
- if (result) {
- if (result.opcode() == '?') {
- Changeset.error("Hit error opcode in op stream");
- }
- curIndex = result.lastIndex();
- }
- }
- else {
- regex.lastIndex = curIndex;
- result = regex.exec(opsStr);
- curIndex = regex.lastIndex;
- if (result[0] == '?') {
- Changeset.error("Hit error opcode in op stream");
- }
- }
- return result;
- }
- var regexResult = nextRegexMatch();
- var obj = Changeset.newOp();
- function next(optObj) {
- var op = (optObj || obj);
- if (_opt && regexResult) {
- op.attribs = regexResult.attribs();
- op.lines = regexResult.lines();
- op.chars = regexResult.chars();
- op.opcode = regexResult.opcode();
- regexResult = nextRegexMatch();
- }
- else if ((! _opt) && regexResult[0]) {
- op.attribs = regexResult[1];
- op.lines = Changeset.parseNum(regexResult[2] || 0);
- op.opcode = regexResult[3];
- op.chars = Changeset.parseNum(regexResult[4]);
- regexResult = nextRegexMatch();
- }
- else {
- Changeset.clearOp(op);
- }
- return op;
- }
- function hasNext() { return !! (_opt ? regexResult : regexResult[0]); }
- function lastIndex() { return prevIndex; }
- return {next: next, hasNext: hasNext, lastIndex: lastIndex};
-};
-
-Changeset.clearOp = function(op) {
- op.opcode = '';
- op.chars = 0;
- op.lines = 0;
- op.attribs = '';
-};
-Changeset.newOp = function(optOpcode) {
- return {opcode:(optOpcode || ''), chars:0, lines:0, attribs:''};
-};
-Changeset.cloneOp = function(op) {
- return {opcode: op.opcode, chars: op.chars, lines: op.lines, attribs: op.attribs};
-};
-Changeset.copyOp = function(op1, op2) {
- op2.opcode = op1.opcode;
- op2.chars = op1.chars;
- op2.lines = op1.lines;
- op2.attribs = op1.attribs;
-};
-Changeset.opString = function(op) {
- // just for debugging
- if (! op.opcode) return 'null';
- var assem = Changeset.opAssembler();
- assem.append(op);
- return assem.toString();
-};
-Changeset.stringOp = function(str) {
- // just for debugging
- return Changeset.opIterator(str).next();
-};
-
-Changeset.checkRep = function(cs) {
- // doesn't check things that require access to attrib pool (e.g. attribute order)
- // or original string (e.g. newline positions)
- var unpacked = Changeset.unpack(cs);
- var oldLen = unpacked.oldLen;
- var newLen = unpacked.newLen;
- var ops = unpacked.ops;
- var charBank = unpacked.charBank;
-
- var assem = Changeset.smartOpAssembler();
- var oldPos = 0;
- var calcNewLen = 0;
- var numInserted = 0;
- var iter = Changeset.opIterator(ops);
- while (iter.hasNext()) {
- var o = iter.next();
- switch (o.opcode) {
- case '=': oldPos += o.chars; calcNewLen += o.chars; break;
- case '-': oldPos += o.chars; Changeset.assert(oldPos < oldLen, oldPos," >= ",oldLen," in ",cs); break;
- case '+': {
- calcNewLen += o.chars; numInserted += o.chars;
- Changeset.assert(calcNewLen < newLen, calcNewLen," >= ",newLen," in ",cs);
- break;
- }
- }
- assem.append(o);
- }
-
- calcNewLen += oldLen - oldPos;
- charBank = charBank.substring(0, numInserted);
- while (charBank.length < numInserted) {
- charBank += "?";
- }
-
- assem.endDocument();
- var normalized = Changeset.pack(oldLen, calcNewLen, assem.toString(), charBank);
- Changeset.assert(normalized == cs, normalized,' != ',cs);
-
- return cs;
-}
-
-Changeset.smartOpAssembler = function() {
- // Like opAssembler but able to produce conforming changesets
- // from slightly looser input, at the cost of speed.
- // Specifically:
- // - merges consecutive operations that can be merged
- // - strips final "="
- // - ignores 0-length changes
- // - reorders consecutive + and - (which margingOpAssembler doesn't do)
-
- var minusAssem = Changeset.mergingOpAssembler();
- var plusAssem = Changeset.mergingOpAssembler();
- var keepAssem = Changeset.mergingOpAssembler();
- var assem = Changeset.stringAssembler();
- var lastOpcode = '';
- var lengthChange = 0;
-
- function flushKeeps() {
- assem.append(keepAssem.toString());
- keepAssem.clear();
- }
-
- function flushPlusMinus() {
- assem.append(minusAssem.toString());
- minusAssem.clear();
- assem.append(plusAssem.toString());
- plusAssem.clear();
- }
-
- function append(op) {
- if (! op.opcode) return;
- if (! op.chars) return;
-
- if (op.opcode == '-') {
- if (lastOpcode == '=') {
- flushKeeps();
- }
- minusAssem.append(op);
- lengthChange -= op.chars;
- }
- else if (op.opcode == '+') {
- if (lastOpcode == '=') {
- flushKeeps();
- }
- plusAssem.append(op);
- lengthChange += op.chars;
- }
- else if (op.opcode == '=') {
- if (lastOpcode != '=') {
- flushPlusMinus();
- }
- keepAssem.append(op);
- }
- lastOpcode = op.opcode;
- }
-
- function appendOpWithText(opcode, text, attribs, pool) {
- var op = Changeset.newOp(opcode);
- op.attribs = Changeset.makeAttribsString(opcode, attribs, pool);
- var lastNewlinePos = text.lastIndexOf('\n');
- if (lastNewlinePos < 0) {
- op.chars = text.length;
- op.lines = 0;
- append(op);
- }
- else {
- op.chars = lastNewlinePos+1;
- op.lines = text.match(/\n/g).length;
- append(op);
- op.chars = text.length - (lastNewlinePos+1);
- op.lines = 0;
- append(op);
- }
- }
-
- function toString() {
- flushPlusMinus();
- flushKeeps();
- return assem.toString();
- }
-
- function clear() {
- minusAssem.clear();
- plusAssem.clear();
- keepAssem.clear();
- assem.clear();
- lengthChange = 0;
- }
-
- function endDocument() {
- keepAssem.endDocument();
- }
-
- function getLengthChange() {
- return lengthChange;
- }
-
- return {append: append, toString: toString, clear: clear, endDocument: endDocument,
- appendOpWithText: appendOpWithText, getLengthChange: getLengthChange };
-};
-
-if (_opt) {
- Changeset.mergingOpAssembler = function() {
- var assem = _opt.mergingOpAssembler();
-
- function append(op) {
- assem.append(op.opcode, op.chars, op.lines, op.attribs);
- }
- function toString() {
- return assem.toString();
- }
- function clear() {
- assem.clear();
- }
- function endDocument() {
- assem.endDocument();
- }
-
- return {append: append, toString: toString, clear: clear, endDocument: endDocument};
- };
-}
-else {
- Changeset.mergingOpAssembler = function() {
- // This assembler can be used in production; it efficiently
- // merges consecutive operations that are mergeable, ignores
- // no-ops, and drops final pure "keeps". It does not re-order
- // operations.
- var assem = Changeset.opAssembler();
- var bufOp = Changeset.newOp();
-
- // If we get, for example, insertions [xxx\n,yyy], those don't merge,
- // but if we get [xxx\n,yyy,zzz\n], that merges to [xxx\nyyyzzz\n].
- // This variable stores the length of yyy and any other newline-less
- // ops immediately after it.
- var bufOpAdditionalCharsAfterNewline = 0;
-
- function flush(isEndDocument) {
- if (bufOp.opcode) {
- if (isEndDocument && bufOp.opcode == '=' && ! bufOp.attribs) {
- // final merged keep, leave it implicit
- }
- else {
- assem.append(bufOp);
- if (bufOpAdditionalCharsAfterNewline) {
- bufOp.chars = bufOpAdditionalCharsAfterNewline;
- bufOp.lines = 0;
- assem.append(bufOp);
- bufOpAdditionalCharsAfterNewline = 0;
- }
- }
- bufOp.opcode = '';
- }
- }
- function append(op) {
- if (op.chars > 0) {
- if (bufOp.opcode == op.opcode && bufOp.attribs == op.attribs) {
- if (op.lines > 0) {
- // bufOp and additional chars are all mergeable into a multi-line op
- bufOp.chars += bufOpAdditionalCharsAfterNewline + op.chars;
- bufOp.lines += op.lines;
- bufOpAdditionalCharsAfterNewline = 0;
- }
- else if (bufOp.lines == 0) {
- // both bufOp and op are in-line
- bufOp.chars += op.chars;
- }
- else {
- // append in-line text to multi-line bufOp
- bufOpAdditionalCharsAfterNewline += op.chars;
- }
- }
- else {
- flush();
- Changeset.copyOp(op, bufOp);
- }
- }
- }
- function endDocument() {
- flush(true);
- }
- function toString() {
- flush();
- return assem.toString();
- }
- function clear() {
- assem.clear();
- Changeset.clearOp(bufOp);
- }
- return {append: append, toString: toString, clear: clear, endDocument: endDocument};
- };
-}
-
-if (_opt) {
- Changeset.opAssembler = function() {
- var assem = _opt.opAssembler();
- // this function allows op to be mutated later (doesn't keep a ref)
- function append(op) {
- assem.append(op.opcode, op.chars, op.lines, op.attribs);
- }
- function toString() {
- return assem.toString();
- }
- function clear() {
- assem.clear();
- }
- return {append: append, toString: toString, clear: clear};
- };
-}
-else {
- Changeset.opAssembler = function() {
- var pieces = [];
- // this function allows op to be mutated later (doesn't keep a ref)
- function append(op) {
- pieces.push(op.attribs);
- if (op.lines) {
- pieces.push('|', Changeset.numToString(op.lines));
- }
- pieces.push(op.opcode);
- pieces.push(Changeset.numToString(op.chars));
- }
- function toString() {
- return pieces.join('');
- }
- function clear() {
- pieces.length = 0;
- }
- return {append: append, toString: toString, clear: clear};
- };
-}
-
-Changeset.stringIterator = function(str) {
- var curIndex = 0;
- function assertRemaining(n) {
- Changeset.assert(n <= remaining(), "!(",n," <= ",remaining(),")");
- }
- function take(n) {
- assertRemaining(n);
- var s = str.substr(curIndex, n);
- curIndex += n;
- return s;
- }
- function peek(n) {
- assertRemaining(n);
- var s = str.substr(curIndex, n);
- return s;
- }
- function skip(n) {
- assertRemaining(n);
- curIndex += n;
- }
- function remaining() {
- return str.length - curIndex;
- }
- return {take:take, skip:skip, remaining:remaining, peek:peek};
-};
-
-Changeset.stringAssembler = function() {
- var pieces = [];
- function append(x) {
- pieces.push(String(x));
- }
- function toString() {
- return pieces.join('');
- }
- return {append: append, toString: toString};
-};
-
-// "lines" need not be an array as long as it supports certain calls (lines_foo inside).
-Changeset.textLinesMutator = function(lines) {
- // Mutates lines, an array of strings, in place.
- // Mutation operations have the same constraints as changeset operations
- // with respect to newlines, but not the other additional constraints
- // (i.e. ins/del ordering, forbidden no-ops, non-mergeability, final newline).
- // Can be used to mutate lists of strings where the last char of each string
- // is not actually a newline, but for the purposes of N and L values,
- // the caller should pretend it is, and for things to work right in that case, the input
- // to insert() should be a single line with no newlines.
-
- var curSplice = [0,0];
- var inSplice = false;
- // position in document after curSplice is applied:
- var curLine = 0, curCol = 0;
- // invariant: if (inSplice) then (curLine is in curSplice[0] + curSplice.length - {2,3}) &&
- // curLine >= curSplice[0]
- // invariant: if (inSplice && (curLine >= curSplice[0] + curSplice.length - 2)) then
- // curCol == 0
-
- function lines_applySplice(s) {
- lines.splice.apply(lines, s);
- }
- function lines_toSource() {
- return lines.toSource();
- }
- function lines_get(idx) {
- if (lines.get) {
- return lines.get(idx);
- }
- else {
- return lines[idx];
- }
- }
- // can be unimplemented if removeLines's return value not needed
- function lines_slice(start, end) {
- if (lines.slice) {
- return lines.slice(start, end);
- }
- else {
- return [];
- }
- }
- function lines_length() {
- if ((typeof lines.length) == "number") {
- return lines.length;
- }
- else {
- return lines.length();
- }
- }
-
- function enterSplice() {
- curSplice[0] = curLine;
- curSplice[1] = 0;
- if (curCol > 0) {
- putCurLineInSplice();
- }
- inSplice = true;
- }
- function leaveSplice() {
- lines_applySplice(curSplice);
- curSplice.length = 2;
- curSplice[0] = curSplice[1] = 0;
- inSplice = false;
- }
- function isCurLineInSplice() {
- return (curLine - curSplice[0] < (curSplice.length - 2));
- }
- function debugPrint(typ) {
- print(typ+": "+curSplice.toSource()+" / "+curLine+","+curCol+" / "+lines_toSource());
- }
- function putCurLineInSplice() {
- if (! isCurLineInSplice()) {
- curSplice.push(lines_get(curSplice[0] + curSplice[1]));
- curSplice[1]++;
- }
- return 2 + curLine - curSplice[0];
- }
-
- function skipLines(L, includeInSplice) {
- if (L) {
- if (includeInSplice) {
- if (! inSplice) {
- enterSplice();
- }
- for(var i=0;i<L;i++) {
- curCol = 0;
- putCurLineInSplice();
- curLine++;
- }
- }
- else {
- if (inSplice) {
- if (L > 1) {
- leaveSplice();
- }
- else {
- putCurLineInSplice();
- }
- }
- curLine += L;
- curCol = 0;
- }
- //print(inSplice+" / "+isCurLineInSplice()+" / "+curSplice[0]+" / "+curSplice[1]+" / "+lines.length);
- /*if (inSplice && (! isCurLineInSplice()) && (curSplice[0] + curSplice[1] < lines.length)) {
- print("BLAH");
- putCurLineInSplice();
- }*/ // tests case foo in remove(), which isn't otherwise covered in current impl
- }
- //debugPrint("skip");
- }
-
- function skip(N, L, includeInSplice) {
- if (N) {
- if (L) {
- skipLines(L, includeInSplice);
- }
- else {
- if (includeInSplice && ! inSplice) {
- enterSplice();
- }
- if (inSplice) {
- putCurLineInSplice();
- }
- curCol += N;
- //debugPrint("skip");
- }
- }
- }
-
- function removeLines(L) {
- var removed = '';
- if (L) {
- if (! inSplice) {
- enterSplice();
- }
- function nextKLinesText(k) {
- var m = curSplice[0] + curSplice[1];
- return lines_slice(m, m+k).join('');
- }
- if (isCurLineInSplice()) {
- //print(curCol);
- if (curCol == 0) {
- removed = curSplice[curSplice.length-1];
- // print("FOO"); // case foo
- curSplice.length--;
- removed += nextKLinesText(L-1);
- curSplice[1] += L-1;
- }
- else {
- removed = nextKLinesText(L-1);
- curSplice[1] += L-1;
- var sline = curSplice.length - 1;
- removed = curSplice[sline].substring(curCol) + removed;
- curSplice[sline] = curSplice[sline].substring(0, curCol) +
- lines_get(curSplice[0] + curSplice[1]);
- curSplice[1] += 1;
- }
- }
- else {
- removed = nextKLinesText(L);
- curSplice[1] += L;
- }
- //debugPrint("remove");
- }
- return removed;
- }
-
- function remove(N, L) {
- var removed = '';
- if (N) {
- if (L) {
- return removeLines(L);
- }
- else {
- if (! inSplice) {
- enterSplice();
- }
- var sline = putCurLineInSplice();
- removed = curSplice[sline].substring(curCol, curCol+N);
- curSplice[sline] = curSplice[sline].substring(0, curCol) +
- curSplice[sline].substring(curCol+N);
- //debugPrint("remove");
- }
- }
- return removed;
- }
-
- function insert(text, L) {
- if (text) {
- if (! inSplice) {
- enterSplice();
- }
- if (L) {
- var newLines = Changeset.splitTextLines(text);
- if (isCurLineInSplice()) {
- //if (curCol == 0) {
- //curSplice.length--;
- //curSplice[1]--;
- //Array.prototype.push.apply(curSplice, newLines);
- //curLine += newLines.length;
- //}
- //else {
- var sline = curSplice.length - 1;
- var theLine = curSplice[sline];
- var lineCol = curCol;
- curSplice[sline] = theLine.substring(0, lineCol) + newLines[0];
- curLine++;
- newLines.splice(0, 1);
- Array.prototype.push.apply(curSplice, newLines);
- curLine += newLines.length;
- curSplice.push(theLine.substring(lineCol));
- curCol = 0;
- //}
- }
- else {
- Array.prototype.push.apply(curSplice, newLines);
- curLine += newLines.length;
- }
- }
- else {
- var sline = putCurLineInSplice();
- curSplice[sline] = curSplice[sline].substring(0, curCol) +
- text + curSplice[sline].substring(curCol);
- curCol += text.length;
- }
- //debugPrint("insert");
- }
- }
-
- function hasMore() {
- //print(lines.length+" / "+inSplice+" / "+(curSplice.length - 2)+" / "+curSplice[1]);
- var docLines = lines_length();
- if (inSplice) {
- docLines += curSplice.length - 2 - curSplice[1];
- }
- return curLine < docLines;
- }
-
- function close() {
- if (inSplice) {
- leaveSplice();
- }
- //debugPrint("close");
- }
-
- var self = {skip:skip, remove:remove, insert:insert, close:close, hasMore:hasMore,
- removeLines:removeLines, skipLines: skipLines};
- return self;
-};
-
-Changeset.applyZip = function(in1, idx1, in2, idx2, func) {
- var iter1 = Changeset.opIterator(in1, idx1);
- var iter2 = Changeset.opIterator(in2, idx2);
- var assem = Changeset.smartOpAssembler();
- var op1 = Changeset.newOp();
- var op2 = Changeset.newOp();
- var opOut = Changeset.newOp();
- while (op1.opcode || iter1.hasNext() || op2.opcode || iter2.hasNext()) {
- if ((! op1.opcode) && iter1.hasNext()) iter1.next(op1);
- if ((! op2.opcode) && iter2.hasNext()) iter2.next(op2);
- func(op1, op2, opOut);
- if (opOut.opcode) {
- //print(opOut.toSource());
- assem.append(opOut);
- opOut.opcode = '';
- }
- }
- assem.endDocument();
- return assem.toString();
-};
-
-Changeset.unpack = function(cs) {
- var headerRegex = /Z:([0-9a-z]+)([><])([0-9a-z]+)|/;
- var headerMatch = headerRegex.exec(cs);
- if ((! headerMatch) || (! headerMatch[0])) {
- Changeset.error("Not a changeset: "+cs);
- }
- var oldLen = Changeset.parseNum(headerMatch[1]);
- var changeSign = (headerMatch[2] == '>') ? 1 : -1;
- var changeMag = Changeset.parseNum(headerMatch[3]);
- var newLen = oldLen + changeSign*changeMag;
- var opsStart = headerMatch[0].length;
- var opsEnd = cs.indexOf("$");
- if (opsEnd < 0) opsEnd = cs.length;
- return {oldLen: oldLen, newLen: newLen, ops: cs.substring(opsStart, opsEnd),
- charBank: cs.substring(opsEnd+1)};
-};
-
-Changeset.pack = function(oldLen, newLen, opsStr, bank) {
- var lenDiff = newLen - oldLen;
- var lenDiffStr = (lenDiff >= 0 ?
- '>'+Changeset.numToString(lenDiff) :
- '<'+Changeset.numToString(-lenDiff));
- var a = [];
- a.push('Z:', Changeset.numToString(oldLen), lenDiffStr, opsStr, '$', bank);
- return a.join('');
-};
-
-Changeset.applyToText = function(cs, str) {
- var unpacked = Changeset.unpack(cs);
- Changeset.assert(str.length == unpacked.oldLen,
- "mismatched apply: ",str.length," / ",unpacked.oldLen);
- var csIter = Changeset.opIterator(unpacked.ops);
- var bankIter = Changeset.stringIterator(unpacked.charBank);
- var strIter = Changeset.stringIterator(str);
- var assem = Changeset.stringAssembler();
- while (csIter.hasNext()) {
- var op = csIter.next();
- switch(op.opcode) {
- case '+': assem.append(bankIter.take(op.chars)); break;
- case '-': strIter.skip(op.chars); break;
- case '=': assem.append(strIter.take(op.chars)); break;
- }
- }
- assem.append(strIter.take(strIter.remaining()));
- return assem.toString();
-};
-
-Changeset.mutateTextLines = function(cs, lines) {
- var unpacked = Changeset.unpack(cs);
- var csIter = Changeset.opIterator(unpacked.ops);
- var bankIter = Changeset.stringIterator(unpacked.charBank);
- var mut = Changeset.textLinesMutator(lines);
- while (csIter.hasNext()) {
- var op = csIter.next();
- switch(op.opcode) {
- case '+': mut.insert(bankIter.take(op.chars), op.lines); break;
- case '-': mut.remove(op.chars, op.lines); break;
- case '=': mut.skip(op.chars, op.lines, (!! op.attribs)); break;
- }
- }
- mut.close();
-};
-
-Changeset.composeAttributes = function(att1, att2, resultIsMutation, pool) {
- // att1 and att2 are strings like "*3*f*1c", asMutation is a boolean.
-
- // Sometimes attribute (key,value) pairs are treated as attribute presence
- // information, while other times they are treated as operations that
- // mutate a set of attributes, and this affects whether an empty value
- // is a deletion or a change.
- // Examples, of the form (att1Items, att2Items, resultIsMutation) -> result
- // ([], [(bold, )], true) -> [(bold, )]
- // ([], [(bold, )], false) -> []
- // ([], [(bold, true)], true) -> [(bold, true)]
- // ([], [(bold, true)], false) -> [(bold, true)]
- // ([(bold, true)], [(bold, )], true) -> [(bold, )]
- // ([(bold, true)], [(bold, )], false) -> []
-
- // pool can be null if att2 has no attributes.
-
- if ((! att1) && resultIsMutation) {
- // In the case of a mutation (i.e. composing two changesets),
- // an att2 composed with an empy att1 is just att2. If att1
- // is part of an attribution string, then att2 may remove
- // attributes that are already gone, so don't do this optimization.
- return att2;
- }
- if (! att2) return att1;
- var atts = [];
- att1.replace(/\*([0-9a-z]+)/g, function(_, a) {
- atts.push(pool.getAttrib(Changeset.parseNum(a)));
- return '';
- });
- att2.replace(/\*([0-9a-z]+)/g, function(_, a) {
- var pair = pool.getAttrib(Changeset.parseNum(a));
- var found = false;
- for(var i=0;i<atts.length;i++) {
- var oldPair = atts[i];
- if (oldPair[0] == pair[0]) {
- if (pair[1] || resultIsMutation) {
- oldPair[1] = pair[1];
- }
- else {
- atts.splice(i, 1);
- }
- found = true;
- break;
- }
- }
- if ((! found) && (pair[1] || resultIsMutation)) {
- atts.push(pair);
- }
- return '';
- });
- atts.sort();
- var buf = Changeset.stringAssembler();
- for(var i=0;i<atts.length;i++) {
- buf.append('*');
- buf.append(Changeset.numToString(pool.putAttrib(atts[i])));
- }
- //print(att1+" / "+att2+" / "+buf.toString());
- return buf.toString();
-};
-
-Changeset._slicerZipperFunc = function(attOp, csOp, opOut, pool) {
- // attOp is the op from the sequence that is being operated on, either an
- // attribution string or the earlier of two changesets being composed.
- // pool can be null if definitely not needed.
-
- //print(csOp.toSource()+" "+attOp.toSource()+" "+opOut.toSource());
- if (attOp.opcode == '-') {
- Changeset.copyOp(attOp, opOut);
- attOp.opcode = '';
- }
- else if (! attOp.opcode) {
- Changeset.copyOp(csOp, opOut);
- csOp.opcode = '';
- }
- else {
- switch (csOp.opcode) {
- case '-': {
- if (csOp.chars <= attOp.chars) {
- // delete or delete part
- if (attOp.opcode == '=') {
- opOut.opcode = '-';
- opOut.chars = csOp.chars;
- opOut.lines = csOp.lines;
- opOut.attribs = '';
- }
- attOp.chars -= csOp.chars;
- attOp.lines -= csOp.lines;
- csOp.opcode = '';
- if (! attOp.chars) {
- attOp.opcode = '';
- }
- }
- else {
- // delete and keep going
- if (attOp.opcode == '=') {
- opOut.opcode = '-';
- opOut.chars = attOp.chars;
- opOut.lines = attOp.lines;
- opOut.attribs = '';
- }
- csOp.chars -= attOp.chars;
- csOp.lines -= attOp.lines;
- attOp.opcode = '';
- }
- break;
- }
- case '+': {
- // insert
- Changeset.copyOp(csOp, opOut);
- csOp.opcode = '';
- break;
- }
- case '=': {
- if (csOp.chars <= attOp.chars) {
- // keep or keep part
- opOut.opcode = attOp.opcode;
- opOut.chars = csOp.chars;
- opOut.lines = csOp.lines;
- opOut.attribs = Changeset.composeAttributes(attOp.attribs, csOp.attribs,
- attOp.opcode == '=', pool);
- csOp.opcode = '';
- attOp.chars -= csOp.chars;
- attOp.lines -= csOp.lines;
- if (! attOp.chars) {
- attOp.opcode = '';
- }
- }
- else {
- // keep and keep going
- opOut.opcode = attOp.opcode;
- opOut.chars = attOp.chars;
- opOut.lines = attOp.lines;
- opOut.attribs = Changeset.composeAttributes(attOp.attribs, csOp.attribs,
- attOp.opcode == '=', pool);
- attOp.opcode = '';
- csOp.chars -= attOp.chars;
- csOp.lines -= attOp.lines;
- }
- break;
- }
- case '': {
- Changeset.copyOp(attOp, opOut);
- attOp.opcode = '';
- break;
- }
- }
- }
-};
-
-Changeset.applyToAttribution = function(cs, astr, pool) {
- var unpacked = Changeset.unpack(cs);
-
- return Changeset.applyZip(astr, 0, unpacked.ops, 0, function(op1, op2, opOut) {
- return Changeset._slicerZipperFunc(op1, op2, opOut, pool);
- });
-};
-
-/*Changeset.oneInsertedLineAtATimeOpIterator = function(opsStr, optStartIndex, charBank) {
- var iter = Changeset.opIterator(opsStr, optStartIndex);
- var bankIndex = 0;
-
-};*/
-
-Changeset.mutateAttributionLines = function(cs, lines, pool) {
- //dmesg(cs);
- //dmesg(lines.toSource()+" ->");
-
- var unpacked = Changeset.unpack(cs);
- var csIter = Changeset.opIterator(unpacked.ops);
- var csBank = unpacked.charBank;
- var csBankIndex = 0;
- // treat the attribution lines as text lines, mutating a line at a time
- var mut = Changeset.textLinesMutator(lines);
-
- var lineIter = null;
- function isNextMutOp() {
- return (lineIter && lineIter.hasNext()) || mut.hasMore();
- }
- function nextMutOp(destOp) {
- if ((!(lineIter && lineIter.hasNext())) && mut.hasMore()) {
- var line = mut.removeLines(1);
- lineIter = Changeset.opIterator(line);
- }
- if (lineIter && lineIter.hasNext()) {
- lineIter.next(destOp);
- }
- else {
- destOp.opcode = '';
- }
- }
- var lineAssem = null;
- function outputMutOp(op) {
- //print("outputMutOp: "+op.toSource());
- if (! lineAssem) {
- lineAssem = Changeset.mergingOpAssembler();
- }
- lineAssem.append(op);
- if (op.lines > 0) {
- Changeset.assert(op.lines == 1, "Can't have op.lines of ",op.lines," in attribution lines");
- // ship it to the mut
- mut.insert(lineAssem.toString(), 1);
- lineAssem = null;
- }
- }
-
- var csOp = Changeset.newOp();
- var attOp = Changeset.newOp();
- var opOut = Changeset.newOp();
- while (csOp.opcode || csIter.hasNext() || attOp.opcode || isNextMutOp()) {
- if ((! csOp.opcode) && csIter.hasNext()) {
- csIter.next(csOp);
- }
- //print(csOp.toSource()+" "+attOp.toSource()+" "+opOut.toSource());
- //print(csOp.opcode+"/"+csOp.lines+"/"+csOp.attribs+"/"+lineAssem+"/"+lineIter+"/"+(lineIter?lineIter.hasNext():null));
- //print("csOp: "+csOp.toSource());
- if ((! csOp.opcode) && (! attOp.opcode) &&
- (! lineAssem) && (! (lineIter && lineIter.hasNext()))) {
- break; // done
- }
- else if (csOp.opcode == '=' && csOp.lines > 0 && (! csOp.attribs) && (! attOp.opcode) &&
- (! lineAssem) && (! (lineIter && lineIter.hasNext()))) {
- // skip multiple lines; this is what makes small changes not order of the document size
- mut.skipLines(csOp.lines);
- //print("skipped: "+csOp.lines);
- csOp.opcode = '';
- }
- else if (csOp.opcode == '+') {
- if (csOp.lines > 1) {
- var firstLineLen = csBank.indexOf('\n', csBankIndex) + 1 - csBankIndex;
- Changeset.copyOp(csOp, opOut);
- csOp.chars -= firstLineLen;
- csOp.lines--;
- opOut.lines = 1;
- opOut.chars = firstLineLen;
- }
- else {
- Changeset.copyOp(csOp, opOut);
- csOp.opcode = '';
- }
- outputMutOp(opOut);
- csBankIndex += opOut.chars;
- opOut.opcode = '';
- }
- else {
- if ((! attOp.opcode) && isNextMutOp()) {
- nextMutOp(attOp);
- }
- //print("attOp: "+attOp.toSource());
- Changeset._slicerZipperFunc(attOp, csOp, opOut, pool);
- if (opOut.opcode) {
- outputMutOp(opOut);
- opOut.opcode = '';
- }
- }
- }
-
- Changeset.assert(! lineAssem, "line assembler not finished");
- mut.close();
-
- //dmesg("-> "+lines.toSource());
-};
-
-Changeset.joinAttributionLines = function(theAlines) {
- var assem = Changeset.mergingOpAssembler();
- for(var i=0;i<theAlines.length;i++) {
- var aline = theAlines[i];
- var iter = Changeset.opIterator(aline);
- while (iter.hasNext()) {
- assem.append(iter.next());
- }
- }
- return assem.toString();
-};
-
-Changeset.splitAttributionLines = function(attrOps, text) {
- var iter = Changeset.opIterator(attrOps);
- var assem = Changeset.mergingOpAssembler();
- var lines = [];
- var pos = 0;
-
- function appendOp(op) {
- assem.append(op);
- if (op.lines > 0) {
- lines.push(assem.toString());
- assem.clear();
- }
- pos += op.chars;
- }
-
- while (iter.hasNext()) {
- var op = iter.next();
- var numChars = op.chars;
- var numLines = op.lines;
- while (numLines > 1) {
- var newlineEnd = text.indexOf('\n', pos)+1;
- Changeset.assert(newlineEnd > 0, "newlineEnd <= 0 in splitAttributionLines");
- op.chars = newlineEnd - pos;
- op.lines = 1;
- appendOp(op);
- numChars -= op.chars;
- numLines -= op.lines;
- }
- if (numLines == 1) {
- op.chars = numChars;
- op.lines = 1;
- }
- appendOp(op);
- }
-
- return lines;
-};
-
-Changeset.splitTextLines = function(text) {
- return text.match(/[^\n]*(?:\n|[^\n]$)/g);
-};
-
-Changeset.compose = function(cs1, cs2, pool) {
- var unpacked1 = Changeset.unpack(cs1);
- var unpacked2 = Changeset.unpack(cs2);
- var len1 = unpacked1.oldLen;
- var len2 = unpacked1.newLen;
- Changeset.assert(len2 == unpacked2.oldLen, "mismatched composition");
- var len3 = unpacked2.newLen;
- var bankIter1 = Changeset.stringIterator(unpacked1.charBank);
- var bankIter2 = Changeset.stringIterator(unpacked2.charBank);
- var bankAssem = Changeset.stringAssembler();
-
- var newOps = Changeset.applyZip(unpacked1.ops, 0, unpacked2.ops, 0, function(op1, op2, opOut) {
- //var debugBuilder = Changeset.stringAssembler();
- //debugBuilder.append(Changeset.opString(op1));
- //debugBuilder.append(',');
- //debugBuilder.append(Changeset.opString(op2));
- //debugBuilder.append(' / ');
-
- var op1code = op1.opcode;
- var op2code = op2.opcode;
- if (op1code == '+' && op2code == '-') {
- bankIter1.skip(Math.min(op1.chars, op2.chars));
- }
- Changeset._slicerZipperFunc(op1, op2, opOut, pool);
- if (opOut.opcode == '+') {
- if (op2code == '+') {
- bankAssem.append(bankIter2.take(opOut.chars));
- }
- else {
- bankAssem.append(bankIter1.take(opOut.chars));
- }
- }
-
- //debugBuilder.append(Changeset.opString(op1));
- //debugBuilder.append(',');
- //debugBuilder.append(Changeset.opString(op2));
- //debugBuilder.append(' -> ');
- //debugBuilder.append(Changeset.opString(opOut));
- //print(debugBuilder.toString());
- });
-
- return Changeset.pack(len1, len3, newOps, bankAssem.toString());
-};
-
-Changeset.attributeTester = function(attribPair, pool) {
- // returns a function that tests if a string of attributes
- // (e.g. *3*4) contains a given attribute key,value that
- // is already present in the pool.
- if (! pool) {
- return never;
- }
- var attribNum = pool.putAttrib(attribPair, true);
- if (attribNum < 0) {
- return never;
- }
- else {
- var re = new RegExp('\\*'+Changeset.numToString(attribNum)+
- '(?!\\w)');
- return function(attribs) {
- return re.test(attribs);
- };
- }
- function never(attribs) { return false; }
-};
-
-Changeset.identity = function(N) {
- return Changeset.pack(N, N, "", "");
-};
-
-Changeset.makeSplice = function(oldFullText, spliceStart, numRemoved, newText, optNewTextAPairs, pool) {
- var oldLen = oldFullText.length;
-
- if (spliceStart >= oldLen) {
- spliceStart = oldLen - 1;
- }
- if (numRemoved > oldFullText.length - spliceStart - 1) {
- numRemoved = oldFullText.length - spliceStart - 1;
- }
- var oldText = oldFullText.substring(spliceStart, spliceStart+numRemoved);
- var newLen = oldLen + newText.length - oldText.length;
-
- var assem = Changeset.smartOpAssembler();
- assem.appendOpWithText('=', oldFullText.substring(0, spliceStart));
- assem.appendOpWithText('-', oldText);
- assem.appendOpWithText('+', newText, optNewTextAPairs, pool);
- assem.endDocument();
- return Changeset.pack(oldLen, newLen, assem.toString(), newText);
-};
-
-Changeset.toSplices = function(cs) {
- // get a list of splices, [startChar, endChar, newText]
-
- var unpacked = Changeset.unpack(cs);
- var splices = [];
-
- var oldPos = 0;
- var iter = Changeset.opIterator(unpacked.ops);
- var charIter = Changeset.stringIterator(unpacked.charBank);
- var inSplice = false;
- while (iter.hasNext()) {
- var op = iter.next();
- if (op.opcode == '=') {
- oldPos += op.chars;
- inSplice = false;
- }
- else {
- if (! inSplice) {
- splices.push([oldPos, oldPos, ""]);
- inSplice = true;
- }
- if (op.opcode == '-') {
- oldPos += op.chars;
- splices[splices.length-1][1] += op.chars;
- }
- else if (op.opcode == '+') {
- splices[splices.length-1][2] += charIter.take(op.chars);
- }
- }
- }
-
- return splices;
-};
-
-Changeset.characterRangeFollow = function(cs, startChar, endChar, insertionsAfter) {
- var newStartChar = startChar;
- var newEndChar = endChar;
- var splices = Changeset.toSplices(cs);
- var lengthChangeSoFar = 0;
- for(var i=0;i<splices.length;i++) {
- var splice = splices[i];
- var spliceStart = splice[0] + lengthChangeSoFar;
- var spliceEnd = splice[1] + lengthChangeSoFar;
- var newTextLength = splice[2].length;
- var thisLengthChange = newTextLength - (spliceEnd - spliceStart);
-
- if (spliceStart <= newStartChar && spliceEnd >= newEndChar) {
- // splice fully replaces/deletes range
- // (also case that handles insertion at a collapsed selection)
- if (insertionsAfter) {
- newStartChar = newEndChar = spliceStart;
- }
- else {
- newStartChar = newEndChar = spliceStart + newTextLength;
- }
- }
- else if (spliceEnd <= newStartChar) {
- // splice is before range
- newStartChar += thisLengthChange;
- newEndChar += thisLengthChange;
- }
- else if (spliceStart >= newEndChar) {
- // splice is after range
- }
- else if (spliceStart >= newStartChar && spliceEnd <= newEndChar) {
- // splice is inside range
- newEndChar += thisLengthChange;
- }
- else if (spliceEnd < newEndChar) {
- // splice overlaps beginning of range
- newStartChar = spliceStart + newTextLength;
- newEndChar += thisLengthChange;
- }
- else {
- // splice overlaps end of range
- newEndChar = spliceStart;
- }
-
- lengthChangeSoFar += thisLengthChange;
- }
-
- return [newStartChar, newEndChar];
-};
-
-Changeset.moveOpsToNewPool = function(cs, oldPool, newPool) {
- // works on changeset or attribution string
- var dollarPos = cs.indexOf('$');
- if (dollarPos < 0) {
- dollarPos = cs.length;
- }
- var upToDollar = cs.substring(0, dollarPos);
- var fromDollar = cs.substring(dollarPos);
- // order of attribs stays the same
- return upToDollar.replace(/\*([0-9a-z]+)/g, function(_, a) {
- var oldNum = Changeset.parseNum(a);
- var pair = oldPool.getAttrib(oldNum);
- var newNum = newPool.putAttrib(pair);
- return '*'+Changeset.numToString(newNum);
- }) + fromDollar;
-};
-
-Changeset.makeAttribution = function(text) {
- var assem = Changeset.smartOpAssembler();
- assem.appendOpWithText('+', text);
- return assem.toString();
-};
-
-// callable on a changeset, attribution string, or attribs property of an op
-Changeset.eachAttribNumber = function(cs, func) {
- var dollarPos = cs.indexOf('$');
- if (dollarPos < 0) {
- dollarPos = cs.length;
- }
- var upToDollar = cs.substring(0, dollarPos);
-
- upToDollar.replace(/\*([0-9a-z]+)/g, function(_, a) {
- func(Changeset.parseNum(a));
- return '';
- });
-};
-
-// callable on a changeset, attribution string, or attribs property of an op,
-// though it may easily create adjacent ops that can be merged.
-Changeset.filterAttribNumbers = function(cs, filter) {
- return Changeset.mapAttribNumbers(cs, filter);
-};
-
-Changeset.mapAttribNumbers = function(cs, func) {
- var dollarPos = cs.indexOf('$');
- if (dollarPos < 0) {
- dollarPos = cs.length;
- }
- var upToDollar = cs.substring(0, dollarPos);
-
- var newUpToDollar = upToDollar.replace(/\*([0-9a-z]+)/g, function(s, a) {
- var n = func(Changeset.parseNum(a));
- if (n === true) {
- return s;
- }
- else if ((typeof n) === "number") {
- return '*'+Changeset.numToString(n);
- }
- else {
- return '';
- }
- });
-
- return newUpToDollar + cs.substring(dollarPos);
-};
-
-Changeset.makeAText = function(text, attribs) {
- return { text: text, attribs: (attribs || Changeset.makeAttribution(text)) };
-};
-
-Changeset.applyToAText = function(cs, atext, pool) {
- return { text: Changeset.applyToText(cs, atext.text),
- attribs: Changeset.applyToAttribution(cs, atext.attribs, pool) };
-};
-
-Changeset.cloneAText = function(atext) {
- return { text: atext.text, attribs: atext.attribs };
-};
-
-Changeset.copyAText = function(atext1, atext2) {
- atext2.text = atext1.text;
- atext2.attribs = atext1.attribs;
-};
-
-Changeset.appendATextToAssembler = function(atext, assem) {
- // intentionally skips last newline char of atext
- var iter = Changeset.opIterator(atext.attribs);
- var op = Changeset.newOp();
- while (iter.hasNext()) {
- iter.next(op);
- if (! iter.hasNext()) {
- // last op, exclude final newline
- if (op.lines <= 1) {
- op.lines = 0;
- op.chars--;
- if (op.chars) {
- assem.append(op);
- }
- }
- else {
- var nextToLastNewlineEnd =
- atext.text.lastIndexOf('\n', atext.text.length-2) + 1;
- var lastLineLength = atext.text.length - nextToLastNewlineEnd - 1;
- op.lines--;
- op.chars -= (lastLineLength + 1);
- assem.append(op);
- op.lines = 0;
- op.chars = lastLineLength;
- if (op.chars) {
- assem.append(op);
- }
- }
- }
- else {
- assem.append(op);
- }
- }
-};
-
-Changeset.prepareForWire = function(cs, pool) {
- var newPool = new AttribPool();
- var newCs = Changeset.moveOpsToNewPool(cs, pool, newPool);
- return {translated: newCs, pool: newPool};
-};
-
-Changeset.isIdentity = function(cs) {
- var unpacked = Changeset.unpack(cs);
- return unpacked.ops == "" && unpacked.oldLen == unpacked.newLen;
-};
-
-Changeset.opAttributeValue = function(op, key, pool) {
- return Changeset.attribsAttributeValue(op.attribs, key, pool);
-};
-
-Changeset.attribsAttributeValue = function(attribs, key, pool) {
- var value = '';
- if (attribs) {
- Changeset.eachAttribNumber(attribs, function(n) {
- if (pool.getAttribKey(n) == key) {
- value = pool.getAttribValue(n);
- }
- });
- }
- return value;
-};
-
-Changeset.builder = function(oldLen) {
- var assem = Changeset.smartOpAssembler();
- var o = Changeset.newOp();
- var charBank = Changeset.stringAssembler();
-
- var self = {
- // attribs are [[key1,value1],[key2,value2],...] or '*0*1...' (no pool needed in latter case)
- keep: function(N, L, attribs, pool) {
- o.opcode = '=';
- o.attribs = (attribs &&
- Changeset.makeAttribsString('=', attribs, pool)) || '';
- o.chars = N;
- o.lines = (L || 0);
- assem.append(o);
- return self;
- },
- keepText: function(text, attribs, pool) {
- assem.appendOpWithText('=', text, attribs, pool);
- return self;
- },
- insert: function(text, attribs, pool) {
- assem.appendOpWithText('+', text, attribs, pool);
- charBank.append(text);
- return self;
- },
- remove: function(N, L) {
- o.opcode = '-';
- o.attribs = '';
- o.chars = N;
- o.lines = (L || 0);
- assem.append(o);
- return self;
- },
- toString: function() {
- assem.endDocument();
- var newLen = oldLen + assem.getLengthChange();
- return Changeset.pack(oldLen, newLen, assem.toString(),
- charBank.toString());
- }
- };
-
- return self;
-};
-
-Changeset.makeAttribsString = function(opcode, attribs, pool) {
- // makeAttribsString(opcode, '*3') or makeAttribsString(opcode, [['foo','bar']], myPool) work
- if (! attribs) {
- return '';
- }
- else if ((typeof attribs) == "string") {
- return attribs;
- }
- else if (pool && attribs && attribs.length) {
- if (attribs.length > 1) {
- attribs = attribs.slice();
- attribs.sort();
- }
- var result = [];
- for(var i=0;i<attribs.length;i++) {
- var pair = attribs[i];
- if (opcode == '=' || (opcode == '+' && pair[1])) {
- result.push('*'+Changeset.numToString(pool.putAttrib(pair)));
- }
- }
- return result.join('');
- }
-};
-
-// like "substring" but on a single-line attribution string
-Changeset.subattribution = function(astr, start, optEnd) {
- var iter = Changeset.opIterator(astr, 0);
- var assem = Changeset.smartOpAssembler();
- var attOp = Changeset.newOp();
- var csOp = Changeset.newOp();
- var opOut = Changeset.newOp();
-
- function doCsOp() {
- if (csOp.chars) {
- while (csOp.opcode && (attOp.opcode || iter.hasNext())) {
- if (! attOp.opcode) iter.next(attOp);
-
- if (csOp.opcode && attOp.opcode && csOp.chars >= attOp.chars &&
- attOp.lines > 0 && csOp.lines <= 0) {
- csOp.lines++;
- }
-
- Changeset._slicerZipperFunc(attOp, csOp, opOut, null);
- if (opOut.opcode) {
- assem.append(opOut);
- opOut.opcode = '';
- }
- }
- }
- }
-
- csOp.opcode = '-';
- csOp.chars = start;
-
- doCsOp();
-
- if (optEnd === undefined) {
- if (attOp.opcode) {
- assem.append(attOp);
- }
- while (iter.hasNext()) {
- iter.next(attOp);
- assem.append(attOp);
- }
- }
- else {
- csOp.opcode = '=';
- csOp.chars = optEnd - start;
- doCsOp();
- }
-
- return assem.toString();
-};
-
-Changeset.inverse = function(cs, lines, alines, pool) {
- // lines and alines are what the changeset is meant to apply to.
- // They may be arrays or objects with .get(i) and .length methods.
- // They include final newlines on lines.
- function lines_get(idx) {
- if (lines.get) {
- return lines.get(idx);
- }
- else {
- return lines[idx];
- }
- }
- function lines_length() {
- if ((typeof lines.length) == "number") {
- return lines.length;
- }
- else {
- return lines.length();
- }
- }
- function alines_get(idx) {
- if (alines.get) {
- return alines.get(idx);
- }
- else {
- return alines[idx];
- }
- }
- function alines_length() {
- if ((typeof alines.length) == "number") {
- return alines.length;
- }
- else {
- return alines.length();
- }
- }
-
- var curLine = 0;
- var curChar = 0;
- var curLineOpIter = null;
- var curLineOpIterLine;
- var curLineNextOp = Changeset.newOp('+');
-
- var unpacked = Changeset.unpack(cs);
- var csIter = Changeset.opIterator(unpacked.ops);
- var builder = Changeset.builder(unpacked.newLen);
-
- function consumeAttribRuns(numChars, func/*(len, attribs, endsLine)*/) {
-
- if ((! curLineOpIter) || (curLineOpIterLine != curLine)) {
- // create curLineOpIter and advance it to curChar
- curLineOpIter = Changeset.opIterator(alines_get(curLine));
- curLineOpIterLine = curLine;
- var indexIntoLine = 0;
- var done = false;
- while (! done) {
- curLineOpIter.next(curLineNextOp);
- if (indexIntoLine + curLineNextOp.chars >= curChar) {
- curLineNextOp.chars -= (curChar - indexIntoLine);
- done = true;
- }
- else {
- indexIntoLine += curLineNextOp.chars;
- }
- }
- }
-
- while (numChars > 0) {
- if ((! curLineNextOp.chars) && (! curLineOpIter.hasNext())) {
- curLine++;
- curChar = 0;
- curLineOpIterLine = curLine;
- curLineNextOp.chars = 0;
- curLineOpIter = Changeset.opIterator(alines_get(curLine));
- }
- if (! curLineNextOp.chars) {
- curLineOpIter.next(curLineNextOp);
- }
- var charsToUse = Math.min(numChars, curLineNextOp.chars);
- func(charsToUse, curLineNextOp.attribs,
- charsToUse == curLineNextOp.chars && curLineNextOp.lines > 0);
- numChars -= charsToUse;
- curLineNextOp.chars -= charsToUse;
- curChar += charsToUse;
- }
-
- if ((! curLineNextOp.chars) && (! curLineOpIter.hasNext())) {
- curLine++;
- curChar = 0;
- }
- }
-
- function skip(N, L) {
- if (L) {
- curLine += L;
- curChar = 0;
- }
- else {
- if (curLineOpIter && curLineOpIterLine == curLine) {
- consumeAttribRuns(N, function() {});
- }
- else {
- curChar += N;
- }
- }
- }
-
- function nextText(numChars) {
- var len = 0;
- var assem = Changeset.stringAssembler();
- var firstString = lines_get(curLine).substring(curChar);
- len += firstString.length;
- assem.append(firstString);
-
- var lineNum = curLine+1;
- while (len < numChars) {
- var nextString = lines_get(lineNum);
- len += nextString.length;
- assem.append(nextString);
- lineNum++;
- }
-
- return assem.toString().substring(0, numChars);
- }
-
- function cachedStrFunc(func) {
- var cache = {};
- return function(s) {
- if (! cache[s]) {
- cache[s] = func(s);
- }
- return cache[s];
- };
- }
-
- var attribKeys = [];
- var attribValues = [];
- while (csIter.hasNext()) {
- var csOp = csIter.next();
- if (csOp.opcode == '=') {
- if (csOp.attribs) {
- attribKeys.length = 0;
- attribValues.length = 0;
- Changeset.eachAttribNumber(csOp.attribs, function(n) {
- attribKeys.push(pool.getAttribKey(n));
- attribValues.push(pool.getAttribValue(n));
- });
- var undoBackToAttribs = cachedStrFunc(function(attribs) {
- var backAttribs = [];
- for(var i=0;i<attribKeys.length;i++) {
- var appliedKey = attribKeys[i];
- var appliedValue = attribValues[i];
- var oldValue = Changeset.attribsAttributeValue(attribs, appliedKey, pool);
- if (appliedValue != oldValue) {
- backAttribs.push([appliedKey, oldValue]);
- }
- }
- return Changeset.makeAttribsString('=', backAttribs, pool);
- });
- consumeAttribRuns(csOp.chars, function(len, attribs, endsLine) {
- builder.keep(len, endsLine ? 1 : 0, undoBackToAttribs(attribs));
- });
- }
- else {
- skip(csOp.chars, csOp.lines);
- builder.keep(csOp.chars, csOp.lines);
- }
- }
- else if (csOp.opcode == '+') {
- builder.remove(csOp.chars, csOp.lines);
- }
- else if (csOp.opcode == '-') {
- var textBank = nextText(csOp.chars);
- var textBankIndex = 0;
- consumeAttribRuns(csOp.chars, function(len, attribs, endsLine) {
- builder.insert(textBank.substr(textBankIndex, len), attribs);
- textBankIndex += len;
- });
- }
- }
-
- return Changeset.checkRep(builder.toString());
-};
-
-// %CLIENT FILE ENDS HERE%
-
-Changeset.follow = function(cs1, cs2, reverseInsertOrder, pool) {
- var unpacked1 = Changeset.unpack(cs1);
- var unpacked2 = Changeset.unpack(cs2);
- var len1 = unpacked1.oldLen;
- var len2 = unpacked2.oldLen;
- Changeset.assert(len1 == len2, "mismatched follow");
- var chars1 = Changeset.stringIterator(unpacked1.charBank);
- var chars2 = Changeset.stringIterator(unpacked2.charBank);
-
- var oldLen = unpacked1.newLen;
- var oldPos = 0;
- var newLen = 0;
-
- var hasInsertFirst = Changeset.attributeTester(['insertorder','first'],
- pool);
-
- var newOps = Changeset.applyZip(unpacked1.ops, 0, unpacked2.ops, 0, function(op1, op2, opOut) {
- if (op1.opcode == '+' || op2.opcode == '+') {
- var whichToDo;
- if (op2.opcode != '+') {
- whichToDo = 1;
- }
- else if (op1.opcode != '+') {
- whichToDo = 2;
- }
- else {
- // both +
- var firstChar1 = chars1.peek(1);
- var firstChar2 = chars2.peek(1);
- var insertFirst1 = hasInsertFirst(op1.attribs);
- var insertFirst2 = hasInsertFirst(op2.attribs);
- if (insertFirst1 && ! insertFirst2) {
- whichToDo = 1;
- }
- else if (insertFirst2 && ! insertFirst1) {
- whichToDo = 2;
- }
- // insert string that doesn't start with a newline first so as not to break up lines
- else if (firstChar1 == '\n' && firstChar2 != '\n') {
- whichToDo = 2;
- }
- else if (firstChar1 != '\n' && firstChar2 == '\n') {
- whichToDo = 1;
- }
- // break symmetry:
- else if (reverseInsertOrder) {
- whichToDo = 2;
- }
- else {
- whichToDo = 1;
- }
- }
- if (whichToDo == 1) {
- chars1.skip(op1.chars);
- opOut.opcode = '=';
- opOut.lines = op1.lines;
- opOut.chars = op1.chars;
- opOut.attribs = '';
- op1.opcode = '';
- }
- else {
- // whichToDo == 2
- chars2.skip(op2.chars);
- Changeset.copyOp(op2, opOut);
- op2.opcode = '';
- }
- }
- else if (op1.opcode == '-') {
- if (! op2.opcode) {
- op1.opcode = '';
- }
- else {
- if (op1.chars <= op2.chars) {
- op2.chars -= op1.chars;
- op2.lines -= op1.lines;
- op1.opcode = '';
- if (! op2.chars) {
- op2.opcode = '';
- }
- }
- else {
- op1.chars -= op2.chars;
- op1.lines -= op2.lines;
- op2.opcode = '';
- }
- }
- }
- else if (op2.opcode == '-') {
- Changeset.copyOp(op2, opOut);
- if (! op1.opcode) {
- op2.opcode = '';
- }
- else if (op2.chars <= op1.chars) {
- // delete part or all of a keep
- op1.chars -= op2.chars;
- op1.lines -= op2.lines;
- op2.opcode = '';
- if (! op1.chars) {
- op1.opcode = '';
- }
- }
- else {
- // delete all of a keep, and keep going
- opOut.lines = op1.lines;
- opOut.chars = op1.chars;
- op2.lines -= op1.lines;
- op2.chars -= op1.chars;
- op1.opcode = '';
- }
- }
- else if (! op1.opcode) {
- Changeset.copyOp(op2, opOut);
- op2.opcode = '';
- }
- else if (! op2.opcode) {
- Changeset.copyOp(op1, opOut);
- op1.opcode = '';
- }
- else {
- // both keeps
- opOut.opcode = '=';
- opOut.attribs = Changeset.followAttributes(op1.attribs, op2.attribs, pool);
- if (op1.chars <= op2.chars) {
- opOut.chars = op1.chars;
- opOut.lines = op1.lines;
- op2.chars -= op1.chars;
- op2.lines -= op1.lines;
- op1.opcode = '';
- if (! op2.chars) {
- op2.opcode = '';
- }
- }
- else {
- opOut.chars = op2.chars;
- opOut.lines = op2.lines;
- op1.chars -= op2.chars;
- op1.lines -= op2.lines;
- op2.opcode = '';
- }
- }
- switch (opOut.opcode) {
- case '=': oldPos += opOut.chars; newLen += opOut.chars; break;
- case '-': oldPos += opOut.chars; break;
- case '+': newLen += opOut.chars; break;
- }
- });
- newLen += oldLen - oldPos;
-
- return Changeset.pack(oldLen, newLen, newOps, unpacked2.charBank);
-};
-
-Changeset.followAttributes = function(att1, att2, pool) {
- // The merge of two sets of attribute changes to the same text
- // takes the lexically-earlier value if there are two values
- // for the same key. Otherwise, all key/value changes from
- // both attribute sets are taken. This operation is the "follow",
- // so a set of changes is produced that can be applied to att1
- // to produce the merged set.
- if ((! att2) || (! pool)) return '';
- if (! att1) return att2;
- var atts = [];
- att2.replace(/\*([0-9a-z]+)/g, function(_, a) {
- atts.push(pool.getAttrib(Changeset.parseNum(a)));
- return '';
- });
- att1.replace(/\*([0-9a-z]+)/g, function(_, a) {
- var pair1 = pool.getAttrib(Changeset.parseNum(a));
- for(var i=0;i<atts.length;i++) {
- var pair2 = atts[i];
- if (pair1[0] == pair2[0]) {
- if (pair1[1] <= pair2[1]) {
- // winner of merge is pair1, delete this attribute
- atts.splice(i, 1);
- }
- break;
- }
- }
- return '';
- });
- // we've only removed attributes, so they're already sorted
- var buf = Changeset.stringAssembler();
- for(var i=0;i<atts.length;i++) {
- buf.append('*');
- buf.append(Changeset.numToString(pool.putAttrib(atts[i])));
- }
- return buf.toString();
-};
diff --git a/etherpad/src/etherpad/collab/ace/easysync2_tests.js b/etherpad/src/etherpad/collab/ace/easysync2_tests.js
deleted file mode 100644
index 7a23dc0..0000000
--- a/etherpad/src/etherpad/collab/ace/easysync2_tests.js
+++ /dev/null
@@ -1,877 +0,0 @@
-// DO NOT EDIT THIS FILE, edit infrastructure/ace/www/easysync2_tests.js
-import("etherpad.collab.ace.easysync2.*")
-
-/**
- * Copyright 2009 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS-IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-function runTests() {
-
- function print(str) {
- java.lang.System.out.println(str);
- }
-
- function assert(code, optMsg) {
- if (! eval(code)) throw new Error("FALSE: "+(optMsg || code));
- }
- function literal(v) {
- if ((typeof v) == "string") {
- return '"'+v.replace(/[\\\"]/g, '\\$1').replace(/\n/g, '\\n')+'"';
- }
- else return v.toSource();
- }
- function assertEqualArrays(a, b) {
- assert(literal(a)+".toSource() == "+literal(b)+".toSource()");
- }
- function assertEqualStrings(a, b) {
- assert(literal(a)+" == "+literal(b));
- }
-
- function throughIterator(opsStr) {
- var iter = Changeset.opIterator(opsStr);
- var assem = Changeset.opAssembler();
- while (iter.hasNext()) {
- assem.append(iter.next());
- }
- return assem.toString();
- }
-
- function throughSmartAssembler(opsStr) {
- var iter = Changeset.opIterator(opsStr);
- var assem = Changeset.smartOpAssembler();
- while (iter.hasNext()) {
- assem.append(iter.next());
- }
- assem.endDocument();
- return assem.toString();
- }
-
- (function() {
- print("> throughIterator");
- var x = '-c*3*4+6|3=az*asdf0*1*2*3+1=1-1+1*0+1=1-1+1|c=c-1';
- assert("throughIterator("+literal(x)+") == "+literal(x));
- })();
-
- (function() {
- print("> throughSmartAssembler");
- var x = '-c*3*4+6|3=az*asdf0*1*2*3+1=1-1+1*0+1=1-1+1|c=c-1';
- assert("throughSmartAssembler("+literal(x)+") == "+literal(x));
- })();
-
- function applyMutations(mu, arrayOfArrays) {
- arrayOfArrays.forEach(function (a) {
- var result = mu[a[0]].apply(mu, a.slice(1));
- if (a[0] == 'remove' && a[3]) {
- assertEqualStrings(a[3], result);
- }
- });
- }
-
- function mutationsToChangeset(oldLen, arrayOfArrays) {
- var assem = Changeset.smartOpAssembler();
- var op = Changeset.newOp();
- var bank = Changeset.stringAssembler();
- var oldPos = 0;
- var newLen = 0;
- arrayOfArrays.forEach(function (a) {
- if (a[0] == 'skip') {
- op.opcode = '=';
- op.chars = a[1];
- op.lines = (a[2] || 0);
- assem.append(op);
- oldPos += op.chars;
- newLen += op.chars;
- }
- else if (a[0] == 'remove') {
- op.opcode = '-';
- op.chars = a[1];
- op.lines = (a[2] || 0);
- assem.append(op);
- oldPos += op.chars;
- }
- else if (a[0] == 'insert') {
- op.opcode = '+';
- bank.append(a[1]);
- op.chars = a[1].length;
- op.lines = (a[2] || 0);
- assem.append(op);
- newLen += op.chars;
- }
- });
- newLen += oldLen - oldPos;
- assem.endDocument();
- return Changeset.pack(oldLen, newLen, assem.toString(),
- bank.toString());
- }
-
- function runMutationTest(testId, origLines, muts, correct) {
- print("> runMutationTest#"+testId);
- var lines = origLines.slice();
- var mu = Changeset.textLinesMutator(lines);
- applyMutations(mu, muts);
- mu.close();
- assertEqualArrays(correct, lines);
-
- var inText = origLines.join('');
- var cs = mutationsToChangeset(inText.length, muts);
- lines = origLines.slice();
- Changeset.mutateTextLines(cs, lines);
- assertEqualArrays(correct, lines);
-
- var correctText = correct.join('');
- //print(literal(cs));
- var outText = Changeset.applyToText(cs, inText);
- assertEqualStrings(correctText, outText);
- }
-
- runMutationTest(1, ["apple\n", "banana\n", "cabbage\n", "duffle\n", "eggplant\n"],
- [['remove',1,0,"a"],['insert',"tu"],['remove',1,0,"p"],['skip',4,1],['skip',7,1],
- ['insert',"cream\npie\n",2],['skip',2],['insert',"bot"],['insert',"\n",1],
- ['insert',"bu"],['skip',3],['remove',3,1,"ge\n"],['remove',6,0,"duffle"]],
- ["tuple\n","banana\n","cream\n","pie\n", "cabot\n","bubba\n","eggplant\n"]);
-
- runMutationTest(2, ["apple\n", "banana\n", "cabbage\n", "duffle\n", "eggplant\n"],
- [['remove',1,0,"a"],['remove',1,0,"p"],['insert',"tu"],['skip',11,2],
- ['insert',"cream\npie\n",2],['skip',2],['insert',"bot"],['insert',"\n",1],
- ['insert',"bu"],['skip',3],['remove',3,1,"ge\n"],['remove',6,0,"duffle"]],
- ["tuple\n","banana\n","cream\n","pie\n", "cabot\n","bubba\n","eggplant\n"]);
-
- runMutationTest(3, ["apple\n", "banana\n", "cabbage\n", "duffle\n", "eggplant\n"],
- [['remove',6,1,"apple\n"],['skip',15,2],['skip',6],['remove',1,1,"\n"],
- ['remove',8,0,"eggplant"],['skip',1,1]],
- ["banana\n","cabbage\n","duffle\n"]);
-
- runMutationTest(4, ["15\n"],
- [['skip',1],['insert',"\n2\n3\n4\n",4],['skip',2,1]],
- ["1\n","2\n","3\n","4\n","5\n"]);
-
- runMutationTest(5, ["1\n","2\n","3\n","4\n","5\n"],
- [['skip',1],['remove',7,4,"\n2\n3\n4\n"],['skip',2,1]],
- ["15\n"]);
-
- runMutationTest(6, ["123\n","abc\n","def\n","ghi\n","xyz\n"],
- [['insert',"0"],['skip',4,1],['skip',4,1],['remove',8,2,"def\nghi\n"],['skip',4,1]],
- ["0123\n", "abc\n", "xyz\n"]);
-
- runMutationTest(7, ["apple\n", "banana\n", "cabbage\n", "duffle\n", "eggplant\n"],
- [['remove',6,1,"apple\n"],['skip',15,2,true],['skip',6,0,true],['remove',1,1,"\n"],
- ['remove',8,0,"eggplant"],['skip',1,1,true]],
- ["banana\n","cabbage\n","duffle\n"]);
-
- function poolOrArray(attribs) {
- if (attribs.getAttrib) {
- return attribs; // it's already an attrib pool
- }
- else {
- // assume it's an array of attrib strings to be split and added
- var p = new AttribPool();
- attribs.forEach(function (kv) { p.putAttrib(kv.split(',')); });
- return p;
- }
- }
-
- function runApplyToAttributionTest(testId, attribs, cs, inAttr, outCorrect) {
- print("> applyToAttribution#"+testId);
- var p = poolOrArray(attribs);
- var result = Changeset.applyToAttribution(
- Changeset.checkRep(cs), inAttr, p);
- assertEqualStrings(outCorrect, result);
- }
-
- // turn c<b>a</b>ctus\n into a<b>c</b>tusabcd\n
- runApplyToAttributionTest(1, ['bold,', 'bold,true'],
- "Z:7>3-1*0=1*1=1=3+4$abcd",
- "+1*1+1|1+5", "+1*1+1|1+8");
-
- // turn "david\ngreenspan\n" into "<b>david\ngreen</b>\n"
- runApplyToAttributionTest(2, ['bold,', 'bold,true'],
- "Z:g<4*1|1=6*1=5-4$",
- "|2+g", "*1|1+6*1+5|1+1");
-
- (function() {
- print("> mutatorHasMore");
- var lines = ["1\n", "2\n", "3\n", "4\n"];
- var mu;
-
- mu = Changeset.textLinesMutator(lines);
- assert(mu.hasMore()+' == true');
- mu.skip(8,4);
- assert(mu.hasMore()+' == false');
- mu.close();
- assert(mu.hasMore()+' == false');
-
- // still 1,2,3,4
- mu = Changeset.textLinesMutator(lines);
- assert(mu.hasMore()+' == true');
- mu.remove(2,1);
- assert(mu.hasMore()+' == true');
- mu.skip(2,1);
- assert(mu.hasMore()+' == true');
- mu.skip(2,1);
- assert(mu.hasMore()+' == true');
- mu.skip(2,1);
- assert(mu.hasMore()+' == false');
- mu.insert("5\n", 1);
- assert(mu.hasMore()+' == false');
- mu.close();
- assert(mu.hasMore()+' == false');
-
- // 2,3,4,5 now
- mu = Changeset.textLinesMutator(lines);
- assert(mu.hasMore()+' == true');
- mu.remove(6,3);
- assert(mu.hasMore()+' == true');
- mu.remove(2,1);
- assert(mu.hasMore()+' == false');
- mu.insert("hello\n", 1);
- assert(mu.hasMore()+' == false');
- mu.close();
- assert(mu.hasMore()+' == false');
-
- })();
-
- function runMutateAttributionTest(testId, attribs, cs, alines, outCorrect) {
- print("> runMutateAttributionTest#"+testId);
- var p = poolOrArray(attribs);
- var alines2 = Array.prototype.slice.call(alines);
- var result = Changeset.mutateAttributionLines(
- Changeset.checkRep(cs), alines2, p);
- assertEqualArrays(outCorrect, alines2);
-
- print("> runMutateAttributionTest#"+testId+".applyToAttribution");
- function removeQuestionMarks(a) { return a.replace(/\?/g, ''); }
- var inMerged = Changeset.joinAttributionLines(alines.map(removeQuestionMarks));
- var correctMerged = Changeset.joinAttributionLines(outCorrect.map(removeQuestionMarks));
- var mergedResult = Changeset.applyToAttribution(cs, inMerged, p);
- assertEqualStrings(correctMerged, mergedResult);
- }
-
- // turn 123\n 456\n 789\n into 123\n 4<b>5</b>6\n 789\n
- runMutateAttributionTest(1, ["bold,true"], "Z:c>0|1=4=1*0=1$", ["|1+4", "|1+4", "|1+4"],
- ["|1+4", "+1*0+1|1+2", "|1+4"]);
-
- // make a document bold
- runMutateAttributionTest(2, ["bold,true"], "Z:c>0*0|3=c$", ["|1+4", "|1+4", "|1+4"],
- ["*0|1+4", "*0|1+4", "*0|1+4"]);
-
- // clear bold on document
- runMutateAttributionTest(3, ["bold,","bold,true"], "Z:c>0*0|3=c$",
- ["*1+1+1*1+1|1+1", "+1*1+1|1+2", "*1+1+1*1+1|1+1"],
- ["|1+4", "|1+4", "|1+4"]);
-
- // add a character on line 3 of a document with 5 blank lines, and make sure
- // the optimization that skips purely-kept lines is working; if any attribution string
- // with a '?' is parsed it will cause an error.
- runMutateAttributionTest(4, ['foo,bar','line,1','line,2','line,3','line,4','line,5'],
- "Z:5>1|2=2+1$x",
- ["?*1|1+1", "?*2|1+1", "*3|1+1", "?*4|1+1", "?*5|1+1"],
- ["?*1|1+1", "?*2|1+1", "+1*3|1+1", "?*4|1+1", "?*5|1+1"]);
-
- var testPoolWithChars = (function() {
- var p = new AttribPool();
- p.putAttrib(['char','newline']);
- for(var i=1;i<36;i++) {
- p.putAttrib(['char',Changeset.numToString(i)]);
- }
- p.putAttrib(['char','']);
- return p;
- })();
-
- // based on runMutationTest#1
- runMutateAttributionTest(5, testPoolWithChars,
- "Z:11>7-2*t+1*u+1|2=b|2+a=2*b+1*o+1*t+1*0|1+1*b+1*u+1=3|1-3-6$"+
- "tucream\npie\nbot\nbu",
- ["*a+1*p+2*l+1*e+1*0|1+1",
- "*b+1*a+1*n+1*a+1*n+1*a+1*0|1+1",
- "*c+1*a+1*b+2*a+1*g+1*e+1*0|1+1",
- "*d+1*u+1*f+2*l+1*e+1*0|1+1",
- "*e+1*g+2*p+1*l+1*a+1*n+1*t+1*0|1+1"],
- ["*t+1*u+1*p+1*l+1*e+1*0|1+1",
- "*b+1*a+1*n+1*a+1*n+1*a+1*0|1+1",
- "|1+6",
- "|1+4",
- "*c+1*a+1*b+1*o+1*t+1*0|1+1",
- "*b+1*u+1*b+2*a+1*0|1+1",
- "*e+1*g+2*p+1*l+1*a+1*n+1*t+1*0|1+1"]);
-
- // based on runMutationTest#3
- runMutateAttributionTest(6, testPoolWithChars,
- "Z:11<f|1-6|2=f=6|1-1-8$",
- ["*a|1+6", "*b|1+7", "*c|1+8", "*d|1+7", "*e|1+9"],
- ["*b|1+7", "*c|1+8", "*d+6*e|1+1"]);
-
- // based on runMutationTest#4
- runMutateAttributionTest(7, testPoolWithChars,
- "Z:3>7=1|4+7$\n2\n3\n4\n",
- ["*1+1*5|1+2"],
- ["*1+1|1+1","|1+2","|1+2","|1+2","*5|1+2"]);
-
- // based on runMutationTest#5
- runMutateAttributionTest(8, testPoolWithChars,
- "Z:a<7=1|4-7$",
- ["*1|1+2","*2|1+2","*3|1+2","*4|1+2","*5|1+2"],
- ["*1+1*5|1+2"]);
-
- // based on runMutationTest#6
- runMutateAttributionTest(9, testPoolWithChars,
- "Z:k<7*0+1*10|2=8|2-8$0",
- ["*1+1*2+1*3+1|1+1","*a+1*b+1*c+1|1+1",
- "*d+1*e+1*f+1|1+1","*g+1*h+1*i+1|1+1","?*x+1*y+1*z+1|1+1"],
- ["*0+1|1+4", "|1+4", "?*x+1*y+1*z+1|1+1"]);
-
- runMutateAttributionTest(10, testPoolWithChars,
- "Z:6>4=1+1=1+1|1=1+1=1*0+1$abcd",
- ["|1+3", "|1+3"],
- ["|1+5", "+2*0+1|1+2"]);
-
-
- runMutateAttributionTest(11, testPoolWithChars,
- "Z:s>1|1=4=6|1+1$\n",
- ["*0|1+4", "*0|1+8", "*0+5|1+1", "*0|1+1", "*0|1+5", "*0|1+1", "*0|1+1", "*0|1+1", "|1+1"],
- ["*0|1+4", "*0+6|1+1", "*0|1+2", "*0+5|1+1", "*0|1+1", "*0|1+5", "*0|1+1", "*0|1+1", "*0|1+1", "|1+1"]);
-
- function randomInlineString(len, rand) {
- var assem = Changeset.stringAssembler();
- for(var i=0;i<len;i++) {
- assem.append(String.fromCharCode(rand.nextInt(26) + 97));
- }
- return assem.toString();
- }
-
- function randomMultiline(approxMaxLines, approxMaxCols, rand) {
- var numParts = rand.nextInt(approxMaxLines*2)+1;
- var txt = Changeset.stringAssembler();
- txt.append(rand.nextInt(2) ? '\n' : '');
- for(var i=0;i<numParts;i++) {
- if ((i % 2) == 0) {
- if (rand.nextInt(10)) {
- txt.append(randomInlineString(rand.nextInt(approxMaxCols)+1, rand));
- }
- else {
- txt.append('\n');
- }
- }
- else {
- txt.append('\n');
- }
- }
- return txt.toString();
- }
-
- function randomStringOperation(numCharsLeft, rand) {
- var result;
- switch(rand.nextInt(9)) {
- case 0: {
- // insert char
- result = {insert: randomInlineString(1, rand)};
- break;
- }
- case 1: {
- // delete char
- result = {remove: 1};
- break;
- }
- case 2: {
- // skip char
- result = {skip: 1};
- break;
- }
- case 3: {
- // insert small
- result = {insert: randomInlineString(rand.nextInt(4)+1, rand)};
- break;
- }
- case 4: {
- // delete small
- result = {remove: rand.nextInt(4)+1};
- break;
- }
- case 5: {
- // skip small
- result = {skip: rand.nextInt(4)+1};
- break;
- }
- case 6: {
- // insert multiline;
- result = {insert: randomMultiline(5, 20, rand)};
- break;
- }
- case 7: {
- // delete multiline
- result = {remove: Math.round(numCharsLeft * rand.nextDouble() * rand.nextDouble()) };
- break;
- }
- case 8: {
- // skip multiline
- result = {skip: Math.round(numCharsLeft * rand.nextDouble() * rand.nextDouble()) };
- break;
- }
- case 9: {
- // delete to end
- result = {remove: numCharsLeft};
- break;
- }
- case 10: {
- // skip to end
- result = {skip: numCharsLeft};
- break;
- }
- }
- var maxOrig = numCharsLeft - 1;
- if ('remove' in result) {
- result.remove = Math.min(result.remove, maxOrig);
- }
- else if ('skip' in result) {
- result.skip = Math.min(result.skip, maxOrig);
- }
- return result;
- }
-
- function randomTwoPropAttribs(opcode, rand) {
- // assumes attrib pool like ['apple,','apple,true','banana,','banana,true']
- if (opcode == '-' || rand.nextInt(3)) {
- return '';
- }
- else if (rand.nextInt(3)) {
- if (opcode == '+' || rand.nextInt(2)) {
- return '*'+Changeset.numToString(rand.nextInt(2)*2+1);
- }
- else {
- return '*'+Changeset.numToString(rand.nextInt(2)*2);
- }
- }
- else {
- if (opcode == '+' || rand.nextInt(4) == 0) {
- return '*1*3';
- }
- else {
- return ['*0*2', '*0*3', '*1*2'][rand.nextInt(3)];
- }
- }
- }
-
- function randomTestChangeset(origText, rand, withAttribs) {
- var charBank = Changeset.stringAssembler();
- var textLeft = origText; // always keep final newline
- var outTextAssem = Changeset.stringAssembler();
- var opAssem = Changeset.smartOpAssembler();
- var oldLen = origText.length;
-
- var nextOp = Changeset.newOp();
- function appendMultilineOp(opcode, txt) {
- nextOp.opcode = opcode;
- if (withAttribs) {
- nextOp.attribs = randomTwoPropAttribs(opcode, rand);
- }
- txt.replace(/\n|[^\n]+/g, function (t) {
- if (t == '\n') {
- nextOp.chars = 1;
- nextOp.lines = 1;
- opAssem.append(nextOp);
- }
- else {
- nextOp.chars = t.length;
- nextOp.lines = 0;
- opAssem.append(nextOp);
- }
- return '';
- });
- }
-
- function doOp() {
- var o = randomStringOperation(textLeft.length, rand);
- if (o.insert) {
- var txt = o.insert;
- charBank.append(txt);
- outTextAssem.append(txt);
- appendMultilineOp('+', txt);
- }
- else if (o.skip) {
- var txt = textLeft.substring(0, o.skip);
- textLeft = textLeft.substring(o.skip);
- outTextAssem.append(txt);
- appendMultilineOp('=', txt);
- }
- else if (o.remove) {
- var txt = textLeft.substring(0, o.remove);
- textLeft = textLeft.substring(o.remove);
- appendMultilineOp('-', txt);
- }
- }
-
- while (textLeft.length > 1) doOp();
- for(var i=0;i<5;i++) doOp(); // do some more (only insertions will happen)
-
- var outText = outTextAssem.toString()+'\n';
- opAssem.endDocument();
- var cs = Changeset.pack(oldLen, outText.length, opAssem.toString(), charBank.toString());
- Changeset.checkRep(cs);
- return [cs, outText];
- }
-
- function testCompose(randomSeed) {
- var rand = new java.util.Random(randomSeed);
- print("> testCompose#"+randomSeed);
-
- var p = new AttribPool();
-
- var startText = randomMultiline(10, 20, rand)+'\n';
-
- var x1 = randomTestChangeset(startText, rand);
- var change1 = x1[0];
- var text1 = x1[1];
-
- var x2 = randomTestChangeset(text1, rand);
- var change2 = x2[0];
- var text2 = x2[1];
-
- var x3 = randomTestChangeset(text2, rand);
- var change3 = x3[0];
- var text3 = x3[1];
-
- //print(literal(Changeset.toBaseTen(startText)));
- //print(literal(Changeset.toBaseTen(change1)));
- //print(literal(Changeset.toBaseTen(change2)));
- var change12 = Changeset.checkRep(Changeset.compose(change1, change2, p));
- var change23 = Changeset.checkRep(Changeset.compose(change2, change3, p));
- var change123 = Changeset.checkRep(Changeset.compose(change12, change3, p));
- var change123a = Changeset.checkRep(Changeset.compose(change1, change23, p));
- assertEqualStrings(change123, change123a);
-
- assertEqualStrings(text2, Changeset.applyToText(change12, startText));
- assertEqualStrings(text3, Changeset.applyToText(change23, text1));
- assertEqualStrings(text3, Changeset.applyToText(change123, startText));
- }
-
- for(var i=0;i<30;i++) testCompose(i);
-
- (function simpleComposeAttributesTest() {
- print("> simpleComposeAttributesTest");
- var p = new AttribPool();
- p.putAttrib(['bold','']);
- p.putAttrib(['bold','true']);
- var cs1 = Changeset.checkRep("Z:2>1*1+1*1=1$x");
- var cs2 = Changeset.checkRep("Z:3>0*0|1=3$");
- var cs12 = Changeset.checkRep(Changeset.compose(cs1, cs2, p));
- assertEqualStrings("Z:2>1+1*0|1=2$x", cs12);
- })();
-
- (function followAttributesTest() {
- var p = new AttribPool();
- p.putAttrib(['x','']);
- p.putAttrib(['x','abc']);
- p.putAttrib(['x','def']);
- p.putAttrib(['y','']);
- p.putAttrib(['y','abc']);
- p.putAttrib(['y','def']);
-
- function testFollow(a, b, afb, bfa, merge) {
- assertEqualStrings(afb, Changeset.followAttributes(a, b, p));
- assertEqualStrings(bfa, Changeset.followAttributes(b, a, p));
- assertEqualStrings(merge, Changeset.composeAttributes(a, afb, true, p));
- assertEqualStrings(merge, Changeset.composeAttributes(b, bfa, true, p));
- }
-
- testFollow('', '', '', '', '');
- testFollow('*0', '', '', '*0', '*0');
- testFollow('*0', '*0', '', '', '*0');
- testFollow('*0', '*1', '', '*0', '*0');
- testFollow('*1', '*2', '', '*1', '*1');
- testFollow('*0*1', '', '', '*0*1', '*0*1');
- testFollow('*0*4', '*2*3', '*3', '*0', '*0*3');
- testFollow('*0*4', '*2', '', '*0*4', '*0*4');
- })();
-
- function testFollow(randomSeed) {
- var rand = new java.util.Random(randomSeed + 1000);
- print("> testFollow#"+randomSeed);
-
- var p = new AttribPool();
-
- var startText = randomMultiline(10, 20, rand)+'\n';
-
- var cs1 = randomTestChangeset(startText, rand)[0];
- var cs2 = randomTestChangeset(startText, rand)[0];
-
- var afb = Changeset.checkRep(Changeset.follow(cs1, cs2, false, p));
- var bfa = Changeset.checkRep(Changeset.follow(cs2, cs1, true, p));
-
- var merge1 = Changeset.checkRep(Changeset.compose(cs1, afb));
- var merge2 = Changeset.checkRep(Changeset.compose(cs2, bfa));
-
- assertEqualStrings(merge1, merge2);
- }
-
- for(var i=0;i<30;i++) testFollow(i);
-
- function testSplitJoinAttributionLines(randomSeed) {
- var rand = new java.util.Random(randomSeed + 2000);
- print("> testSplitJoinAttributionLines#"+randomSeed);
-
- var doc = randomMultiline(10, 20, rand)+'\n';
-
- function stringToOps(str) {
- var assem = Changeset.mergingOpAssembler();
- var o = Changeset.newOp('+');
- o.chars = 1;
- for(var i=0;i<str.length;i++) {
- var c = str.charAt(i);
- o.lines = (c == '\n' ? 1 : 0);
- o.attribs = (c == 'a' || c == 'b' ? '*'+c : '');
- assem.append(o);
- }
- return assem.toString();
- }
-
- var theJoined = stringToOps(doc);
- var theSplit = doc.match(/[^\n]*\n/g).map(stringToOps);
-
- assertEqualArrays(theSplit, Changeset.splitAttributionLines(theJoined, doc));
- assertEqualStrings(theJoined, Changeset.joinAttributionLines(theSplit));
- }
-
- for(var i=0;i<10;i++) testSplitJoinAttributionLines(i);
-
- (function testMoveOpsToNewPool() {
- print("> testMoveOpsToNewPool");
-
- var pool1 = new AttribPool();
- var pool2 = new AttribPool();
-
- pool1.putAttrib(['baz','qux']);
- pool1.putAttrib(['foo','bar']);
-
- pool2.putAttrib(['foo','bar']);
-
- assertEqualStrings(Changeset.moveOpsToNewPool('Z:1>2*1+1*0+1$ab', pool1, pool2), 'Z:1>2*0+1*1+1$ab');
- assertEqualStrings(Changeset.moveOpsToNewPool('*1+1*0+1', pool1, pool2), '*0+1*1+1');
- })();
-
-
- (function testMakeSplice() {
- print("> testMakeSplice");
-
- var t = "a\nb\nc\n";
- var t2 = Changeset.applyToText(Changeset.makeSplice(t, 5, 0, "def"), t);
- assertEqualStrings("a\nb\ncdef\n", t2);
-
- })();
-
- (function testToSplices() {
- print("> testToSplices");
-
- var cs = Changeset.checkRep('Z:z>9*0=1=4-3+9=1|1-4-4+1*0+a$123456789abcdefghijk');
- var correctSplices = [[5, 8, "123456789"], [9, 17, "abcdefghijk"]];
- assertEqualArrays(correctSplices, Changeset.toSplices(cs));
- })();
-
- function testCharacterRangeFollow(testId, cs, oldRange, insertionsAfter, correctNewRange) {
- print("> testCharacterRangeFollow#"+testId);
-
- var cs = Changeset.checkRep(cs);
- assertEqualArrays(correctNewRange, Changeset.characterRangeFollow(cs, oldRange[0], oldRange[1],
- insertionsAfter));
-
- }
-
- testCharacterRangeFollow(1, 'Z:z>9*0=1=4-3+9=1|1-4-4+1*0+a$123456789abcdefghijk',
- [7, 10], false, [14, 15]);
- testCharacterRangeFollow(2, "Z:bc<6|x=b4|2-6$", [400, 407], false, [400, 401]);
- testCharacterRangeFollow(3, "Z:4>0-3+3$abc", [0,3], false, [3,3]);
- testCharacterRangeFollow(4, "Z:4>0-3+3$abc", [0,3], true, [0,0]);
- testCharacterRangeFollow(5, "Z:5>1+1=1-3+3$abcd", [1,4], false, [5,5]);
- testCharacterRangeFollow(6, "Z:5>1+1=1-3+3$abcd", [1,4], true, [2,2]);
- testCharacterRangeFollow(7, "Z:5>1+1=1-3+3$abcd", [0,6], false, [1,7]);
- testCharacterRangeFollow(8, "Z:5>1+1=1-3+3$abcd", [0,3], false, [1,2]);
- testCharacterRangeFollow(9, "Z:5>1+1=1-3+3$abcd", [2,5], false, [5,6]);
- testCharacterRangeFollow(10, "Z:2>1+1$a", [0,0], false, [1,1]);
- testCharacterRangeFollow(11, "Z:2>1+1$a", [0,0], true, [0,0]);
-
- (function testOpAttributeValue() {
- print("> testOpAttributeValue");
-
- var p = new AttribPool();
- p.putAttrib(['name','david']);
- p.putAttrib(['color','green']);
-
- assertEqualStrings("david", Changeset.opAttributeValue(Changeset.stringOp('*0*1+1'), 'name', p));
- assertEqualStrings("david", Changeset.opAttributeValue(Changeset.stringOp('*0+1'), 'name', p));
- assertEqualStrings("", Changeset.opAttributeValue(Changeset.stringOp('*1+1'), 'name', p));
- assertEqualStrings("", Changeset.opAttributeValue(Changeset.stringOp('+1'), 'name', p));
- assertEqualStrings("green", Changeset.opAttributeValue(Changeset.stringOp('*0*1+1'), 'color', p));
- assertEqualStrings("green", Changeset.opAttributeValue(Changeset.stringOp('*1+1'), 'color', p));
- assertEqualStrings("", Changeset.opAttributeValue(Changeset.stringOp('*0+1'), 'color', p));
- assertEqualStrings("", Changeset.opAttributeValue(Changeset.stringOp('+1'), 'color', p));
- })();
-
- function testAppendATextToAssembler(testId, atext, correctOps) {
- print("> testAppendATextToAssembler#"+testId);
-
- var assem = Changeset.smartOpAssembler();
- Changeset.appendATextToAssembler(atext, assem);
- assertEqualStrings(correctOps, assem.toString());
- }
-
- testAppendATextToAssembler(1, {text:"\n", attribs:"|1+1"}, "");
- testAppendATextToAssembler(2, {text:"\n\n", attribs:"|2+2"}, "|1+1");
- testAppendATextToAssembler(3, {text:"\n\n", attribs:"*x|2+2"}, "*x|1+1");
- testAppendATextToAssembler(4, {text:"\n\n", attribs:"*x|1+1|1+1"}, "*x|1+1");
- testAppendATextToAssembler(5, {text:"foo\n", attribs:"|1+4"}, "+3");
- testAppendATextToAssembler(6, {text:"\nfoo\n", attribs:"|2+5"}, "|1+1+3");
- testAppendATextToAssembler(7, {text:"\nfoo\n", attribs:"*x|2+5"}, "*x|1+1*x+3");
- testAppendATextToAssembler(8, {text:"\n\n\nfoo\n", attribs:"|2+2*x|2+5"}, "|2+2*x|1+1*x+3");
-
- function testMakeAttribsString(testId, pool, opcode, attribs, correctString) {
- print("> testMakeAttribsString#"+testId);
-
- var p = poolOrArray(pool);
- var str = Changeset.makeAttribsString(opcode, attribs, p);
- assertEqualStrings(correctString, str);
- }
-
- testMakeAttribsString(1, ['bold,'], '+', [['bold','']], '');
- testMakeAttribsString(2, ['abc,def','bold,'], '=', [['bold','']], '*1');
- testMakeAttribsString(3, ['abc,def','bold,true'], '+', [['abc','def'],['bold','true']], '*0*1');
- testMakeAttribsString(4, ['abc,def','bold,true'], '+', [['bold','true'],['abc','def']], '*0*1');
-
- function testSubattribution(testId, astr, start, end, correctOutput) {
- print("> testSubattribution#"+testId);
-
- var str = Changeset.subattribution(astr, start, end);
- assertEqualStrings(correctOutput, str);
- }
-
- testSubattribution(1, "+1", 0, 0, "");
- testSubattribution(2, "+1", 0, 1, "+1");
- testSubattribution(3, "+1", 0, undefined, "+1");
- testSubattribution(4, "|1+1", 0, 0, "");
- testSubattribution(5, "|1+1", 0, 1, "|1+1");
- testSubattribution(6, "|1+1", 0, undefined, "|1+1");
- testSubattribution(7, "*0+1", 0, 0, "");
- testSubattribution(8, "*0+1", 0, 1, "*0+1");
- testSubattribution(9, "*0+1", 0, undefined, "*0+1");
- testSubattribution(10, "*0|1+1", 0, 0, "");
- testSubattribution(11, "*0|1+1", 0, 1, "*0|1+1");
- testSubattribution(12, "*0|1+1", 0, undefined, "*0|1+1");
- testSubattribution(13, "*0+2+1*1+3", 0, 1, "*0+1");
- testSubattribution(14, "*0+2+1*1+3", 0, 2, "*0+2");
- testSubattribution(15, "*0+2+1*1+3", 0, 3, "*0+2+1");
- testSubattribution(16, "*0+2+1*1+3", 0, 4, "*0+2+1*1+1");
- testSubattribution(17, "*0+2+1*1+3", 0, 5, "*0+2+1*1+2");
- testSubattribution(18, "*0+2+1*1+3", 0, 6, "*0+2+1*1+3");
- testSubattribution(19, "*0+2+1*1+3", 0, 7, "*0+2+1*1+3");
- testSubattribution(20, "*0+2+1*1+3", 0, undefined, "*0+2+1*1+3");
- testSubattribution(21, "*0+2+1*1+3", 1, undefined, "*0+1+1*1+3");
- testSubattribution(22, "*0+2+1*1+3", 2, undefined, "+1*1+3");
- testSubattribution(23, "*0+2+1*1+3", 3, undefined, "*1+3");
- testSubattribution(24, "*0+2+1*1+3", 4, undefined, "*1+2");
- testSubattribution(25, "*0+2+1*1+3", 5, undefined, "*1+1");
- testSubattribution(26, "*0+2+1*1+3", 6, undefined, "");
- testSubattribution(27, "*0+2+1*1|1+3", 0, 1, "*0+1");
- testSubattribution(28, "*0+2+1*1|1+3", 0, 2, "*0+2");
- testSubattribution(29, "*0+2+1*1|1+3", 0, 3, "*0+2+1");
- testSubattribution(30, "*0+2+1*1|1+3", 0, 4, "*0+2+1*1+1");
- testSubattribution(31, "*0+2+1*1|1+3", 0, 5, "*0+2+1*1+2");
- testSubattribution(32, "*0+2+1*1|1+3", 0, 6, "*0+2+1*1|1+3");
- testSubattribution(33, "*0+2+1*1|1+3", 0, 7, "*0+2+1*1|1+3");
- testSubattribution(34, "*0+2+1*1|1+3", 0, undefined, "*0+2+1*1|1+3");
- testSubattribution(35, "*0+2+1*1|1+3", 1, undefined, "*0+1+1*1|1+3");
- testSubattribution(36, "*0+2+1*1|1+3", 2, undefined, "+1*1|1+3");
- testSubattribution(37, "*0+2+1*1|1+3", 3, undefined, "*1|1+3");
- testSubattribution(38, "*0+2+1*1|1+3", 4, undefined, "*1|1+2");
- testSubattribution(39, "*0+2+1*1|1+3", 5, undefined, "*1|1+1");
- testSubattribution(40, "*0+2+1*1|1+3", 1, 5, "*0+1+1*1+2");
- testSubattribution(41, "*0+2+1*1|1+3", 2, 6, "+1*1|1+3");
- testSubattribution(42, "*0+2+1*1+3", 2, 6, "+1*1+3");
-
- function testFilterAttribNumbers(testId, cs, filter, correctOutput) {
- print("> testFilterAttribNumbers#"+testId);
-
- var str = Changeset.filterAttribNumbers(cs, filter);
- assertEqualStrings(correctOutput, str);
- }
-
- testFilterAttribNumbers(1, "*0*1+1+2+3*1+4*2+5*0*2*1*b*c+6",
- function(n) { return (n%2) == 0; },
- "*0+1+2+3+4*2+5*0*2*c+6");
- testFilterAttribNumbers(2, "*0*1+1+2+3*1+4*2+5*0*2*1*b*c+6",
- function(n) { return (n%2) == 1; },
- "*1+1+2+3*1+4+5*1*b+6");
-
- function testInverse(testId, cs, lines, alines, pool, correctOutput) {
- print("> testInverse#"+testId);
-
- pool = poolOrArray(pool);
- var str = Changeset.inverse(Changeset.checkRep(cs), lines, alines, pool);
- assertEqualStrings(correctOutput, str);
- }
-
- // take "FFFFTTTTT" and apply "-FT--FFTT", the inverse of which is "--F--TT--"
- testInverse(1, "Z:9>0=1*0=1*1=1=2*0=2*1|1=2$", null, ["+4*1+5"], ['bold,','bold,true'],
- "Z:9>0=2*0=1=2*1=2$");
-
- function testMutateTextLines(testId, cs, lines, correctLines) {
- print("> testMutateTextLines#"+testId);
-
- var a = lines.slice();
- Changeset.mutateTextLines(cs, a);
- assertEqualArrays(correctLines, a);
- }
-
- testMutateTextLines(1, "Z:4<1|1-2-1|1+1+1$\nc", ["a\n", "b\n"], ["\n", "c\n"]);
- testMutateTextLines(2, "Z:4>0|1-2-1|2+3$\nc\n", ["a\n", "b\n"], ["\n", "c\n", "\n"]);
-
- function testInverseRandom(randomSeed) {
- var rand = new java.util.Random(randomSeed + 3000);
- print("> testInverseRandom#"+randomSeed);
-
- var p = poolOrArray(['apple,','apple,true','banana,','banana,true']);
-
- var startText = randomMultiline(10, 20, rand)+'\n';
- var alines = Changeset.splitAttributionLines(Changeset.makeAttribution(startText), startText);
- var lines = startText.slice(0,-1).split('\n').map(function(s) { return s+'\n'; });
-
- var stylifier = randomTestChangeset(startText, rand, true)[0];
-
- //print(alines.join('\n'));
- Changeset.mutateAttributionLines(stylifier, alines, p);
- //print(stylifier);
- //print(alines.join('\n'));
- Changeset.mutateTextLines(stylifier, lines);
-
- var changeset = randomTestChangeset(lines.join(''), rand, true)[0];
- var inverseChangeset = Changeset.inverse(changeset, lines, alines, p);
-
- var origLines = lines.slice();
- var origALines = alines.slice();
-
- Changeset.mutateTextLines(changeset, lines);
- Changeset.mutateAttributionLines(changeset, alines, p);
- //print(origALines.join('\n'));
- //print(changeset);
- //print(inverseChangeset);
- //print(origLines.map(function(s) { return '1: '+s.slice(0,-1); }).join('\n'));
- //print(lines.map(function(s) { return '2: '+s.slice(0,-1); }).join('\n'));
- //print(alines.join('\n'));
- Changeset.mutateTextLines(inverseChangeset, lines);
- Changeset.mutateAttributionLines(inverseChangeset, alines, p);
- //print(lines.map(function(s) { return '3: '+s.slice(0,-1); }).join('\n'));
-
- assertEqualArrays(origLines, lines);
- assertEqualArrays(origALines, alines);
- }
-
- for(var i=0;i<30;i++) testInverseRandom(i);
-} \ No newline at end of file
diff --git a/etherpad/src/etherpad/collab/ace/linestylefilter.js b/etherpad/src/etherpad/collab/ace/linestylefilter.js
deleted file mode 100644
index ffc8034..0000000
--- a/etherpad/src/etherpad/collab/ace/linestylefilter.js
+++ /dev/null
@@ -1,247 +0,0 @@
-// DO NOT EDIT THIS FILE, edit infrastructure/ace/www/linestylefilter.js
-import("etherpad.collab.ace.easysync2.Changeset");
-
-/**
- * Copyright 2009 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS-IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// requires: easysync2.Changeset
-
-var linestylefilter = {};
-
-linestylefilter.ATTRIB_CLASSES = {
- 'bold':'tag:b',
- 'italic':'tag:i',
- 'underline':'tag:u',
- 'strikethrough':'tag:s'
-};
-
-linestylefilter.getAuthorClassName = function(author) {
- return "author-"+author.replace(/[^a-y0-9]/g, function(c) {
- if (c == ".") return "-";
- return 'z'+c.charCodeAt(0)+'z';
- });
-};
-
-// lineLength is without newline; aline includes newline,
-// but may be falsy if lineLength == 0
-linestylefilter.getLineStyleFilter = function(lineLength, aline,
- textAndClassFunc, apool) {
-
- if (lineLength == 0) return textAndClassFunc;
-
- var nextAfterAuthorColors = textAndClassFunc;
-
- var authorColorFunc = (function() {
- var lineEnd = lineLength;
- var curIndex = 0;
- var extraClasses;
- var leftInAuthor;
-
- function attribsToClasses(attribs) {
- var classes = '';
- Changeset.eachAttribNumber(attribs, function(n) {
- var key = apool.getAttribKey(n);
- if (key) {
- var value = apool.getAttribValue(n);
- if (value) {
- if (key == 'author') {
- classes += ' '+linestylefilter.getAuthorClassName(value);
- }
- else if (key == 'list') {
- classes += ' list:'+value;
- }
- else if (linestylefilter.ATTRIB_CLASSES[key]) {
- classes += ' '+linestylefilter.ATTRIB_CLASSES[key];
- }
- }
- }
- });
- return classes.substring(1);
- }
-
- var attributionIter = Changeset.opIterator(aline);
- var nextOp, nextOpClasses;
- function goNextOp() {
- nextOp = attributionIter.next();
- nextOpClasses = (nextOp.opcode && attribsToClasses(nextOp.attribs));
- }
- goNextOp();
- function nextClasses() {
- if (curIndex < lineEnd) {
- extraClasses = nextOpClasses;
- leftInAuthor = nextOp.chars;
- goNextOp();
- while (nextOp.opcode && nextOpClasses == extraClasses) {
- leftInAuthor += nextOp.chars;
- goNextOp();
- }
- }
- }
- nextClasses();
-
- return function(txt, cls) {
- while (txt.length > 0) {
- if (leftInAuthor <= 0) {
- // prevent infinite loop if something funny's going on
- return nextAfterAuthorColors(txt, cls);
- }
- var spanSize = txt.length;
- if (spanSize > leftInAuthor) {
- spanSize = leftInAuthor;
- }
- var curTxt = txt.substring(0, spanSize);
- txt = txt.substring(spanSize);
- nextAfterAuthorColors(curTxt, (cls&&cls+" ")+extraClasses);
- curIndex += spanSize;
- leftInAuthor -= spanSize;
- if (leftInAuthor == 0) {
- nextClasses();
- }
- }
- };
- })();
- return authorColorFunc;
-};
-
-linestylefilter.getAtSignSplitterFilter = function(lineText,
- textAndClassFunc) {
- var at = /@/g;
- at.lastIndex = 0;
- var splitPoints = null;
- var execResult;
- while ((execResult = at.exec(lineText))) {
- if (! splitPoints) {
- splitPoints = [];
- }
- splitPoints.push(execResult.index);
- }
-
- if (! splitPoints) return textAndClassFunc;
-
- return linestylefilter.textAndClassFuncSplitter(textAndClassFunc,
- splitPoints);
-};
-
-linestylefilter.REGEX_WORDCHAR = /[\u0030-\u0039\u0041-\u005A\u0061-\u007A\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u00FF\u0100-\u1FFF\u3040-\u9FFF\uF900-\uFDFF\uFE70-\uFEFE\uFF10-\uFF19\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFDC]/;
-linestylefilter.REGEX_URLCHAR = new RegExp('('+/[-:@a-zA-Z0-9_.,~%+\/\\?=&#;()$]/.source+'|'+linestylefilter.REGEX_WORDCHAR.source+')');
-linestylefilter.REGEX_URL = new RegExp(/(?:(?:https?|s?ftp|ftps|file|smb|afp|nfs|(x-)?man|gopher|txmt):\/\/|mailto:)/.source+linestylefilter.REGEX_URLCHAR.source+'*(?![:.,;])'+linestylefilter.REGEX_URLCHAR.source, 'g');
-
-linestylefilter.getURLFilter = function(lineText, textAndClassFunc) {
- linestylefilter.REGEX_URL.lastIndex = 0;
- var urls = null;
- var splitPoints = null;
- var execResult;
- while ((execResult = linestylefilter.REGEX_URL.exec(lineText))) {
- if (! urls) {
- urls = [];
- splitPoints = [];
- }
- var startIndex = execResult.index;
- var url = execResult[0];
- urls.push([startIndex, url]);
- splitPoints.push(startIndex, startIndex + url.length);
- }
-
- if (! urls) return textAndClassFunc;
-
- function urlForIndex(idx) {
- for(var k=0; k<urls.length; k++) {
- var u = urls[k];
- if (idx >= u[0] && idx < u[0]+u[1].length) {
- return u[1];
- }
- }
- return false;
- }
-
- var handleUrlsAfterSplit = (function() {
- var curIndex = 0;
- return function(txt, cls) {
- var txtlen = txt.length;
- var newCls = cls;
- var url = urlForIndex(curIndex);
- if (url) {
- newCls += " url:"+url;
- }
- textAndClassFunc(txt, newCls);
- curIndex += txtlen;
- };
- })();
-
- return linestylefilter.textAndClassFuncSplitter(handleUrlsAfterSplit,
- splitPoints);
-};
-
-linestylefilter.textAndClassFuncSplitter = function(func, splitPointsOpt) {
- var nextPointIndex = 0;
- var idx = 0;
-
- // don't split at 0
- while (splitPointsOpt &&
- nextPointIndex < splitPointsOpt.length &&
- splitPointsOpt[nextPointIndex] == 0) {
- nextPointIndex++;
- }
-
- function spanHandler(txt, cls) {
- if ((! splitPointsOpt) || nextPointIndex >= splitPointsOpt.length) {
- func(txt, cls);
- idx += txt.length;
- }
- else {
- var splitPoints = splitPointsOpt;
- var pointLocInSpan = splitPoints[nextPointIndex] - idx;
- var txtlen = txt.length;
- if (pointLocInSpan >= txtlen) {
- func(txt, cls);
- idx += txt.length;
- if (pointLocInSpan == txtlen) {
- nextPointIndex++;
- }
- }
- else {
- if (pointLocInSpan > 0) {
- func(txt.substring(0, pointLocInSpan), cls);
- idx += pointLocInSpan;
- }
- nextPointIndex++;
- // recurse
- spanHandler(txt.substring(pointLocInSpan), cls);
- }
- }
- }
- return spanHandler;
-};
-
-// domLineObj is like that returned by domline.createDomLine
-linestylefilter.populateDomLine = function(textLine, aline, apool,
- domLineObj) {
- // remove final newline from text if any
- var text = textLine;
- if (text.slice(-1) == '\n') {
- text = text.substring(0, text.length-1);
- }
-
- function textAndClassFunc(tokenText, tokenClass) {
- domLineObj.appendSpan(tokenText, tokenClass);
- }
-
- var func = textAndClassFunc;
- func = linestylefilter.getURLFilter(text, func);
- func = linestylefilter.getLineStyleFilter(text.length, aline,
- func, apool);
- func(text, '');
-};
diff --git a/etherpad/src/static/js/ace.js b/etherpad/src/static/js/ace.js
deleted file mode 100644
index 7f19d37..0000000
--- a/etherpad/src/static/js/ace.js
+++ /dev/null
@@ -1,29 +0,0 @@
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a=J-Z;if(a>L){a=L;}J-=a;L-=a;break;}else{J-=L+1;M=S();L=A(M).length-1;\\n}}W(A(M),L);return b-J;},getVirtualLine:function(){return X;},getLeftCoord:function(){return N;}};}else{N=B.offsetLeft;\\nK={forward:function(Z){return 0;},backward:function(Z){return 0;},getVirtualLine:function(){return 0;\\n},getLeftCoord:function(){return N;}};}K.getOffset=function(){return J;};K.getLineLength=function(){return O;\\n};K.toString=function(){return"seeker[curChar: "+J+"("+Y.charAt(J)+"), left: "+K.getLeftCoord()+", vline: "+K.getVirtualLine()+"]";\\n};function U(c,j,e,a){var b=null;var i=((typeof e)=="function");var h=e;var g=((typeof a)=="number");\\nvar d=a;while(b!==0&&((!i)||h())){var Z=j;if(g){var f=(c?J-d:d-J);if(f\\x3cZ){Z=f;}}if(Z\\x3c0){break;}b=(c?K.backward(Z):K.forward(Z));\\n}}K.forwardByWhile=function(Z,b,a){U(false,Z,b,a);};K.backwardByWhile=function(Z,b,a){U(true,Z,b,a);};\\nK.binarySearch=function(Z){var b=Z;var a=function(){return !Z();};K.forwardByWhile(20,a);K.backwardByWhile(20,b);\\nK.forwardByWhile(10,a);K.backwardByWhile(5,b);K.forwardByWhile(1,a);return K.getOffset()+(Z()?0:1);};\\nreturn K;}}var _opt=null;function AttribPool(){var A={};A.numToAttrib={};A.attribToNum={};A.nextNum=0;\\nA.putAttrib=function(C,E){var D=String(C);if(D in A.attribToNum){return A.attribToNum[D];}if(E){return -1;\\n}var B=A.nextNum++;A.attribToNum[D]=B;A.numToAttrib[B]=[String(C[0]||""),String(C[1]||"")];return B;};\\nA.getAttrib=function(C){var B=A.numToAttrib[C];if(!B){return B;}return[B[0],B[1]];};A.getAttribKey=function(C){var B=A.numToAttrib[C];\\nif(!B){return"";}return B[0];};A.getAttribValue=function(C){var B=A.numToAttrib[C];if(!B){return"";}return B[1];\\n};A.eachAttrib=function(C){for(var D in A.numToAttrib){var B=A.numToAttrib[D];C(B[0],B[1]);}};A.toJsonable=function(){return{numToAttrib:A.numToAttrib,nextNum:A.nextNum};\\n};A.fromJsonable=function(B){A.numToAttrib=B.numToAttrib;A.nextNum=B.nextNum;A.attribToNum={};for(var C in A.numToAttrib){A.attribToNum[String(A.numToAttrib[C])]=Number(C);\\n}return A;};return A;}var Changeset={};Changeset.error=function error(B){var A=new Error(B);A.easysync=true;\\nthrow A;};Changeset.assert=function assert(A,C){if(!A){var B=Array.prototype.slice.call(arguments,1).join("");\\nChangeset.error("Changeset: "+B);}};Changeset.parseNum=function(A){return parseInt(A,36);};Changeset.numToString=function(A){return A.toString(36).toLowerCase();\\n};Changeset.toBaseTen=function(A){var B=A.indexOf("$");var D=A.substring(0,B);var C=A.substring(B);return D.replace(/[0-9a-z]+/g,function(E){return String(Changeset.parseNum(E));\\n})+C;};Changeset.oldLen=function(A){return Changeset.unpack(A).oldLen;};Changeset.newLen=function(A){return Changeset.unpack(A).newLen;\\n};Changeset.opIterator=function(E,K){var D=/((?:\\\\*[0-9a-z]+)*)(?:\\\\|([0-9a-z]+))?([-+=])([0-9a-z]+)|\\\\?|/g;\\nvar L=(K||0);var B=L;var F=B;function C(){F=B;var M;if(_opt){M=_opt.nextOpInString(E,B);if(M){if(M.opcode()=="?"){Changeset.error("Hit error opcode in op stream");\\n}B=M.lastIndex();}}else{D.lastIndex=B;M=D.exec(E);B=D.lastIndex;if(M[0]=="?"){Changeset.error("Hit error opcode in op stream");\\n}}return M;}var A=C();var H=Changeset.newOp();function I(N){var M=(N||H);if(_opt&&A){M.attribs=A.attribs();\\nM.lines=A.lines();M.chars=A.chars();M.opcode=A.opcode();A=C();}else{if((!_opt)&&A[0]){M.attribs=A[1];\\nM.lines=Changeset.parseNum(A[2]||0);M.opcode=A[3];M.chars=Changeset.parseNum(A[4]);A=C();}else{Changeset.clearOp(M);\\n}}return M;}function G(){return !!(_opt?A:A[0]);}function J(){return F;}return{next:I,hasNext:G,lastIndex:J};\\n};Changeset.clearOp=function(A){A.opcode="";A.chars=0;A.lines=0;A.attribs="";};Changeset.newOp=function(A){return{opcode:(A||""),chars:0,lines:0,attribs:""};\\n};Changeset.cloneOp=function(A){return{opcode:A.opcode,chars:A.chars,lines:A.lines,attribs:A.attribs};\\n};Changeset.copyOp=function(B,A){A.opcode=B.opcode;A.chars=B.chars;A.lines=B.lines;A.attribs=B.attribs;\\n};Changeset.opString=function(B){if(!B.opcode){return"null";}var A=Changeset.opAssembler();A.append(B);\\nreturn A.toString();};Changeset.stringOp=function(A){return Changeset.opIterator(A).next();};Changeset.checkRep=function(C){var G=Changeset.unpack(C);\\nvar F=G.oldLen;var J=G.newLen;var M=G.ops;var E=G.charBank;var I=Changeset.smartOpAssembler();var D=0;\\nvar B=0;var H=0;var K=Changeset.opIterator(M);while(K.hasNext()){var A=K.next();switch(A.opcode){case"=":D+=A.chars;\\nB+=A.chars;break;case"-":D+=A.chars;Changeset.assert(D\\x3cF,D," >= ",F," in ",C);break;case"+":B+=A.chars;\\nH+=A.chars;Changeset.assert(B\\x3cJ,B," >= ",J," in ",C);break;}I.append(A);}B+=F-D;E=E.substring(0,H);while(E.length\\x3cH){E+="?";\\n}I.endDocument();var L=Changeset.pack(F,B,I.toString(),E);Changeset.assert(L==C,L," != ",C);return C;\\n};Changeset.smartOpAssembler=function(){var G=Changeset.mergingOpAssembler();var E=Changeset.mergingOpAssembler();\\nvar B=Changeset.mergingOpAssembler();var A=Changeset.stringAssembler();var C="";var F=0;function H(){A.append(B.toString());\\nB.clear();}function I(){A.append(G.toString());G.clear();A.append(E.toString());E.clear();}function D(O){if(!O.opcode){return;\\n}if(!O.chars){return;}if(O.opcode=="-"){if(C=="="){H();}G.append(O);F-=O.chars;}else{if(O.opcode=="+"){if(C=="="){H();\\n}E.append(O);F+=O.chars;}else{if(O.opcode=="="){if(C!="="){I();}B.append(O);}}}C=O.opcode;}function M(R,P,T,S){var O=Changeset.newOp(R);\\nO.attribs=Changeset.makeAttribsString(R,T,S);var Q=P.lastIndexOf("\\\\n");if(Q\\x3c0){O.chars=P.length;O.lines=0;\\nD(O);}else{O.chars=Q+1;O.lines=P.match(/\\\\n/g).length;D(O);O.chars=P.length-(Q+1);O.lines=0;D(O);}}function K(){I();\\nH();return A.toString();}function N(){G.clear();E.clear();B.clear();A.clear();F=0;}function L(){B.endDocument();\\n}function J(){return F;}return{append:D,toString:K,clear:N,endDocument:L,appendOpWithText:M,getLengthChange:J};\\n};if(_opt){Changeset.mergingOpAssembler=function(){var A=_opt.mergingOpAssembler();function C(F){A.append(F.opcode,F.chars,F.lines,F.attribs);\\n}function E(){return A.toString();}function B(){A.clear();}function D(){A.endDocument();}return{append:C,toString:E,clear:B,endDocument:D};\\n};}else{Changeset.mergingOpAssembler=function(){var C=Changeset.opAssembler();var A=Changeset.newOp();\\nvar B=0;function D(I){if(A.opcode){if(I&&A.opcode=="="&&!A.attribs){}else{C.append(A);if(B){A.chars=B;\\nA.lines=0;C.append(A);B=0;}}A.opcode="";}}function F(I){if(I.chars>0){if(A.opcode==I.opcode&&A.attribs==I.attribs){if(I.lines>0){A.chars+=B+I.chars;\\nA.lines+=I.lines;B=0;}else{if(A.lines==0){A.chars+=I.chars;}else{B+=I.chars;}}}else{D();Changeset.copyOp(I,A);\\n}}}function G(){D(true);}function H(){D();return C.toString();}function E(){C.clear();Changeset.clearOp(A);\\n}return{append:F,toString:H,clear:E,endDocument:G};};}if(_opt){Changeset.opAssembler=function(){var A=_opt.opAssembler();\\nfunction C(E){A.append(E.opcode,E.chars,E.lines,E.attribs);}function D(){return A.toString();}function B(){A.clear();\\n}return{append:C,toString:D,clear:B};};}else{Changeset.opAssembler=function(){var A=[];function C(E){A.push(E.attribs);\\nif(E.lines){A.push("|",Changeset.numToString(E.lines));}A.push(E.opcode);A.push(Changeset.numToString(E.chars));\\n}function D(){return A.join("");}function B(){A.length=0;}return{append:C,toString:D,clear:B};};}Changeset.stringIterator=function(D){var A=0;\\nfunction B(H){Changeset.assert(H\\x3c=C(),"!(",H," \\x3c= ",C(),")");}function F(H){B(H);var I=D.substr(A,H);\\nA+=H;return I;}function E(H){B(H);var I=D.substr(A,H);return I;}function G(H){B(H);A+=H;}function C(){return D.length-A;\\n}return{take:F,skip:G,remaining:C,peek:E};};Changeset.stringAssembler=function(){var A=[];function B(D){A.push(String(D));\\n}function C(){return A.join("");}return{append:B,toString:C};};Changeset.textLinesMutator=function(C){var A=[0,0];\\nvar D=false;var E=0,B=0;function O(X){C.splice.apply(C,X);}function S(){return C.toSource();}function J(X){if(C.get){return C.get(X);\\n}else{return C[X];}}function U(Y,X){if(C.slice){return C.slice(Y,X);}else{return[];}}function T(){if((typeof C.length)=="number"){return C.length;\\n}else{return C.length();}}function G(){A[0]=E;A[1]=0;if(B>0){F();}D=true;}function K(){O(A);A.length=2;\\nA[0]=A[1]=0;D=false;}function H(){return(E-A[0]\\x3c(A.length-2));}function W(X){print(X+": "+A.toSource()+" / "+E+","+B+" / "+S());\\n}function F(){if(!H()){A.push(J(A[0]+A[1]));A[1]++;}return 2+E-A[0];}function L(X,Z){if(X){if(Z){if(!D){G();\\n}for(var Y=0;Y\\x3cX;Y++){B=0;F();E++;}}else{if(D){if(X>1){K();}else{F();}}E+=X;B=0;}}}function R(Z,Y,X){if(Z){if(Y){L(Y,X);\\n}else{if(X&&!D){G();}if(D){F();}B+=Z;}}}function I(X){var Y="";if(X){if(!D){G();}function a(c){var b=A[0]+A[1];\\nreturn U(b,b+c).join("");}if(H()){if(B==0){Y=A[A.length-1];A.length--;Y+=a(X-1);A[1]+=X-1;}else{Y=a(X-1);\\nA[1]+=X-1;var Z=A.length-1;Y=A[Z].substring(B)+Y;A[Z]=A[Z].substring(0,B)+J(A[0]+A[1]);A[1]+=1;}}else{Y=a(X);\\nA[1]+=X;}}return Y;}function V(Y,Z){var a="";if(Y){if(Z){return I(Z);}else{if(!D){G();}var X=F();a=A[X].substring(B,B+Y);\\nA[X]=A[X].substring(0,B)+A[X].substring(B+Y);}}return a;}function M(Z,c){if(Z){if(!D){G();}if(c){var X=Changeset.splitTextLines(Z);\\nif(H()){var Y=A.length-1;var a=A[Y];var b=B;A[Y]=a.substring(0,b)+X[0];E++;X.splice(0,1);Array.prototype.push.apply(A,X);\\nE+=X.length;A.push(a.substring(b));B=0;}else{Array.prototype.push.apply(A,X);E+=X.length;}}else{var Y=F();\\nA[Y]=A[Y].substring(0,B)+Z+A[Y].substring(B);B+=Z.length;}}}function N(){var X=T();if(D){X+=A.length-2-A[1];\\n}return E\\x3cX;}function P(){if(D){K();}}var Q={skip:R,remove:V,insert:M,close:P,hasMore:N,removeLines:I,skipLines:L};\\nreturn Q;};Changeset.applyZip=function(I,K,H,J,G){var F=Changeset.opIterator(I,K);var E=Changeset.opIterator(H,J);\\nvar D=Changeset.smartOpAssembler();var A=Changeset.newOp();var C=Changeset.newOp();var B=Changeset.newOp();\\nwhile(A.opcode||F.hasNext()||C.opcode||E.hasNext()){if((!A.opcode)&&F.hasNext()){F.next(A);}if((!C.opcode)&&E.hasNext()){E.next(C);\\n}G(A,C,B);if(B.opcode){D.append(B);B.opcode="";}}D.endDocument();return D.toString();};Changeset.unpack=function(B){var G=/Z:([0-9a-z]+)([>\\x3c])([0-9a-z]+)|/;\\nvar A=G.exec(B);if((!A)||(!A[0])){Changeset.error("Not a changeset: "+B);}var D=Changeset.parseNum(A[1]);\\nvar E=(A[2]==">")?1:-1;var H=Changeset.parseNum(A[3]);var F=D+E*H;var I=A[0].length;var C=B.indexOf("$");\\nif(C\\x3c0){C=B.length;}return{oldLen:D,newLen:F,ops:B.substring(I,C),charBank:B.substring(C+1)};};Changeset.pack=function(C,G,F,D){var A=G-C;\\nvar E=(A>=0?">"+Changeset.numToString(A):"\\x3c"+Changeset.numToString(-A));var B=[];B.push("Z:",Changeset.numToString(C),E,F,"$",D);\\nreturn B.join("");};Changeset.applyToText=function(H,E){var C=Changeset.unpack(H);Changeset.assert(E.length==C.oldLen,"mismatched apply: ",E.length," / ",C.oldLen);\\nvar F=Changeset.opIterator(C.ops);var G=Changeset.stringIterator(C.charBank);var B=Changeset.stringIterator(E);\\nvar A=Changeset.stringAssembler();while(F.hasNext()){var D=F.next();switch(D.opcode){case"+":A.append(G.take(D.chars));\\nbreak;case"-":B.skip(D.chars);break;case"=":A.append(B.take(D.chars));break;}}A.append(B.take(B.remaining()));\\nreturn A.toString();};Changeset.mutateTextLines=function(G,F){var C=Changeset.unpack(G);var D=Changeset.opIterator(C.ops);\\nvar E=Changeset.stringIterator(C.charBank);var B=Changeset.textLinesMutator(F);while(D.hasNext()){var A=D.next();\\nswitch(A.opcode){case"+":B.insert(E.take(A.chars),A.lines);break;case"-":B.remove(A.chars,A.lines);break;\\ncase"=":B.skip(A.chars,A.lines,(!!A.attribs));break;}}B.close();};Changeset.composeAttributes=function(G,F,E,D){if((!G)&&E){return F;\\n}if(!F){return G;}var A=[];G.replace(/\\\\*([0-9a-z]+)/g,function(I,H){A.push(D.getAttrib(Changeset.parseNum(H)));\\nreturn"";});F.replace(/\\\\*([0-9a-z]+)/g,function(M,L){var H=D.getAttrib(Changeset.parseNum(L));var K=false;\\nfor(var I=0;I\\x3cA.length;I++){var J=A[I];if(J[0]==H[0]){if(H[1]||E){J[1]=H[1];}else{A.splice(I,1);}K=true;\\nbreak;}}if((!K)&&(H[1]||E)){A.push(H);}return"";});A.sort();var B=Changeset.stringAssembler();for(var C=0;\\nC\\x3cA.length;C++){B.append("*");B.append(Changeset.numToString(D.putAttrib(A[C])));}return B.toString();\\n};Changeset._slicerZipperFunc=function(A,B,C,D){if(A.opcode=="-"){Changeset.copyOp(A,C);A.opcode="";}else{if(!A.opcode){Changeset.copyOp(B,C);\\nB.opcode="";}else{switch(B.opcode){case"-":if(B.chars\\x3c=A.chars){if(A.opcode=="="){C.opcode="-";C.chars=B.chars;\\nC.lines=B.lines;C.attribs="";}A.chars-=B.chars;A.lines-=B.lines;B.opcode="";if(!A.chars){A.opcode="";\\n}}else{if(A.opcode=="="){C.opcode="-";C.chars=A.chars;C.lines=A.lines;C.attribs="";}B.chars-=A.chars;\\nB.lines-=A.lines;A.opcode="";}break;case"+":Changeset.copyOp(B,C);B.opcode="";break;case"=":if(B.chars\\x3c=A.chars){C.opcode=A.opcode;\\nC.chars=B.chars;C.lines=B.lines;C.attribs=Changeset.composeAttributes(A.attribs,B.attribs,A.opcode=="=",D);\\nB.opcode="";A.chars-=B.chars;A.lines-=B.lines;if(!A.chars){A.opcode="";}}else{C.opcode=A.opcode;C.chars=A.chars;\\nC.lines=A.lines;C.attribs=Changeset.composeAttributes(A.attribs,B.attribs,A.opcode=="=",D);A.opcode="";\\nB.chars-=A.chars;B.lines-=A.lines;}break;case"":Changeset.copyOp(A,C);A.opcode="";break;}}}};Changeset.applyToAttribution=function(D,C,B){var A=Changeset.unpack(D);\\nreturn Changeset.applyZip(C,0,A.ops,0,function(F,E,G){return Changeset._slicerZipperFunc(F,E,G,B);});\\n};Changeset.mutateAttributionLines=function(N,Q,O){var I=Changeset.unpack(N);var H=Changeset.opIterator(I.ops);\\nvar M=I.charBank;var G=0;var F=Changeset.textLinesMutator(Q);var B=null;function L(){return(B&&B.hasNext())||F.hasMore();\\n}function P(R){if((!(B&&B.hasNext()))&&F.hasMore()){var S=F.removeLines(1);B=Changeset.opIterator(S);\\n}if(B&&B.hasNext()){B.next(R);}else{R.opcode="";}}var D=null;function J(R){if(!D){D=Changeset.mergingOpAssembler();\\n}D.append(R);if(R.lines>0){Changeset.assert(R.lines==1,"Can\\\'t have op.lines of ",R.lines," in attribution lines");\\nF.insert(D.toString(),1);D=null;}}var A=Changeset.newOp();var E=Changeset.newOp();var C=Changeset.newOp();\\nwhile(A.opcode||H.hasNext()||E.opcode||L()){if((!A.opcode)&&H.hasNext()){H.next(A);}if((!A.opcode)&&(!E.opcode)&&(!D)&&(!(B&&B.hasNext()))){break;\\n}else{if(A.opcode=="="&&A.lines>0&&(!A.attribs)&&(!E.opcode)&&(!D)&&(!(B&&B.hasNext()))){F.skipLines(A.lines);\\nA.opcode="";}else{if(A.opcode=="+"){if(A.lines>1){var K=M.indexOf("\\\\n",G)+1-G;Changeset.copyOp(A,C);A.chars-=K;\\nA.lines--;C.lines=1;C.chars=K;}else{Changeset.copyOp(A,C);A.opcode="";}J(C);G+=C.chars;C.opcode="";}else{if((!E.opcode)&&L()){P(E);\\n}Changeset._slicerZipperFunc(E,A,C,O);if(C.opcode){J(C);C.opcode="";}}}}}Changeset.assert(!D,"line assembler not finished");\\nF.close();};Changeset.joinAttributionLines=function(D){var C=Changeset.mergingOpAssembler();for(var A=0;\\nA\\x3cD.length;A++){var E=D[A];var B=Changeset.opIterator(E);while(B.hasNext()){C.append(B.next());}}return C.toString();\\n};Changeset.splitAttributionLines=function(J,K){var G=Changeset.opIterator(J);var C=Changeset.mergingOpAssembler();\\nvar I=[];var D=0;function E(L){C.append(L);if(L.lines>0){I.push(C.toString());C.clear();}D+=L.chars;}while(G.hasNext()){var A=G.next();\\nvar F=A.chars;var B=A.lines;while(B>1){var H=K.indexOf("\\\\n",D)+1;Changeset.assert(H>0,"newlineEnd \\x3c= 0 in splitAttributionLines");\\nA.chars=H-D;A.lines=1;E(A);F-=A.chars;B-=A.lines;}if(B==1){A.chars=F;A.lines=1;}E(A);}return I;};Changeset.splitTextLines=function(A){return A.match(/[^\\\\n]*(?:\\\\n|[^\\\\n]$)/g);\\n};Changeset.compose=function(J,H,L){var B=Changeset.unpack(J);var A=Changeset.unpack(H);var K=B.oldLen;\\nvar I=B.newLen;Changeset.assert(I==A.oldLen,"mismatched composition");var G=A.newLen;var D=Changeset.stringIterator(B.charBank);\\nvar E=Changeset.stringIterator(A.charBank);var C=Changeset.stringAssembler();var F=Changeset.applyZip(B.ops,0,A.ops,0,function(O,N,M){var Q=O.opcode;\\nvar P=N.opcode;if(Q=="+"&&P=="-"){D.skip(Math.min(O.chars,N.chars));}Changeset._slicerZipperFunc(O,N,M,L);\\nif(M.opcode=="+"){if(P=="+"){C.append(E.take(M.chars));}else{C.append(D.take(M.chars));}}});return Changeset.pack(K,G,F,C.toString());\\n};Changeset.attributeTester=function(D,B){if(!B){return C;}var A=B.putAttrib(D,true);if(A\\x3c0){return C;\\n}else{var E=new RegExp("\\\\\\\\*"+Changeset.numToString(A)+"(?!\\\\\\\\w)");return function(F){return E.test(F);\\n};}function C(F){return false;}};Changeset.identity=function(A){return Changeset.pack(A,A,"","");};Changeset.makeSplice=function(B,A,F,E,H,J){var D=B.length;\\nif(A>=D){A=D-1;}if(F>B.length-A-1){F=B.length-A-1;}var G=B.substring(A,A+F);var I=D+E.length-G.length;\\nvar C=Changeset.smartOpAssembler();C.appendOpWithText("=",B.substring(0,A));C.appendOpWithText("-",G);\\nC.appendOpWithText("+",E,H,J);C.endDocument();return Changeset.pack(D,I,C.toString(),E);};Changeset.toSplices=function(G){var F=Changeset.unpack(G);\\nvar B=[];var C=0;var E=Changeset.opIterator(F.ops);var H=Changeset.stringIterator(F.charBank);var D=false;\\nwhile(E.hasNext()){var A=E.next();if(A.opcode=="="){C+=A.chars;D=false;}else{if(!D){B.push([C,C,""]);\\nD=true;}if(A.opcode=="-"){C+=A.chars;B[B.length-1][1]+=A.chars;}else{if(A.opcode=="+"){B[B.length-1][2]+=H.take(A.chars);\\n}}}}return B;};Changeset.characterRangeFollow=function(M,N,L,K){var C=N;var A=L;var J=Changeset.toSplices(M);\\nvar H=0;for(var G=0;G\\x3cJ.length;G++){var F=J[G];var B=F[0]+H;var E=F[1]+H;var I=F[2].length;var D=I-(E-B);\\nif(B\\x3c=C&&E>=A){if(K){C=A=B;}else{C=A=B+I;}}else{if(E\\x3c=C){C+=D;A+=D;}else{if(B>=A){}else{if(B>=C&&E\\x3c=A){A+=D;\\n}else{if(E\\x3cA){C=B+I;A+=D;}else{A=B;}}}}}H+=D;}return[C,A];};Changeset.moveOpsToNewPool=function(A,F,C){var B=A.indexOf("$");\\nif(B\\x3c0){B=A.length;}var D=A.substring(0,B);var E=A.substring(B);return D.replace(/\\\\*([0-9a-z]+)/g,function(K,G){var H=Changeset.parseNum(G);\\nvar J=F.getAttrib(H);var I=C.putAttrib(J);return"*"+Changeset.numToString(I);})+E;};Changeset.makeAttribution=function(B){var A=Changeset.smartOpAssembler();\\nA.appendOpWithText("+",B);return A.toString();};Changeset.eachAttribNumber=function(A,D){var B=A.indexOf("$");\\nif(B\\x3c0){B=A.length;}var C=A.substring(0,B);C.replace(/\\\\*([0-9a-z]+)/g,function(F,E){D(Changeset.parseNum(E));\\nreturn"";});};Changeset.filterAttribNumbers=function(B,A){return Changeset.mapAttribNumbers(B,A);};Changeset.mapAttribNumbers=function(A,E){var B=A.indexOf("$");\\nif(B\\x3c0){B=A.length;}var D=A.substring(0,B);var C=D.replace(/\\\\*([0-9a-z]+)/g,function(H,G){var F=E(Changeset.parseNum(G));\\nif(F===true){return H;}else{if((typeof F)==="number"){return"*"+Changeset.numToString(F);}else{return"";\\n}}});return C+A.substring(B);};Changeset.makeAText=function(A,B){return{text:A,attribs:(B||Changeset.makeAttribution(A))};\\n};Changeset.applyToAText=function(A,B,C){return{text:Changeset.applyToText(A,B.text),attribs:Changeset.applyToAttribution(A,B.attribs,C)};\\n};Changeset.cloneAText=function(A){return{text:A.text,attribs:A.attribs};};Changeset.copyAText=function(A,B){B.text=A.text;\\nB.attribs=A.attribs;};Changeset.appendATextToAssembler=function(C,B){var D=Changeset.opIterator(C.attribs);\\nvar A=Changeset.newOp();while(D.hasNext()){D.next(A);if(!D.hasNext()){if(A.lines\\x3c=1){A.lines=0;A.chars--;\\nif(A.chars){B.append(A);}}else{var F=C.text.lastIndexOf("\\\\n",C.text.length-2)+1;var E=C.text.length-F-1;\\nA.lines--;A.chars-=(E+1);B.append(A);A.lines=0;A.chars=E;if(A.chars){B.append(A);}}}else{B.append(A);\\n}}};Changeset.prepareForWire=function(C,B){var A=new AttribPool();var D=Changeset.moveOpsToNewPool(C,B,A);\\nreturn{translated:D,pool:A};};Changeset.isIdentity=function(B){var A=Changeset.unpack(B);return A.ops==""&&A.oldLen==A.newLen;\\n};Changeset.opAttributeValue=function(C,B,A){return Changeset.attribsAttributeValue(C.attribs,B,A);};\\nChangeset.attribsAttributeValue=function(C,D,A){var B="";if(C){Changeset.eachAttribNumber(C,function(E){if(A.getAttribKey(E)==D){B=A.getAttribValue(E);\\n}});}return B;};Changeset.builder=function(D){var B=Changeset.smartOpAssembler();var A=Changeset.newOp();\\nvar E=Changeset.stringAssembler();var C={keep:function(I,G,F,H){A.opcode="=";A.attribs=(F&&Changeset.makeAttribsString("=",F,H))||"";\\nA.chars=I;A.lines=(G||0);B.append(A);return C;},keepText:function(H,G,F){B.appendOpWithText("=",H,G,F);\\nreturn C;},insert:function(F,H,G){B.appendOpWithText("+",F,H,G);E.append(F);return C;},remove:function(G,F){A.opcode="-";\\nA.attribs="";A.chars=G;A.lines=(F||0);B.append(A);return C;},toString:function(){B.endDocument();var F=D+B.getLengthChange();\\nreturn Changeset.pack(D,F,B.toString(),E.toString());}};return C;};Changeset.makeAttribsString=function(E,A,D){if(!A){return"";\\n}else{if((typeof A)=="string"){return A;}else{if(D&&A&&A.length){if(A.length>1){A=A.slice();A.sort();\\n}var C=[];for(var B=0;B\\x3cA.length;B++){var F=A[B];if(E=="="||(E=="+"&&F[1])){C.push("*"+Changeset.numToString(D.putAttrib(F)));\\n}}return C.join("");}}}};Changeset.subattribution=function(I,F,H){var E=Changeset.opIterator(I,0);var D=Changeset.smartOpAssembler();\\nvar A=Changeset.newOp();var B=Changeset.newOp();var C=Changeset.newOp();function G(){if(B.chars){while(B.opcode&&(A.opcode||E.hasNext())){if(!A.opcode){E.next(A);\\n}if(B.opcode&&A.opcode&&B.chars>=A.chars&&A.lines>0&&B.lines\\x3c=0){B.lines++;}Changeset._slicerZipperFunc(A,B,C,null);\\nif(C.opcode){D.append(C);C.opcode="";}}}}B.opcode="-";B.chars=F;G();if(H===undefined){if(A.opcode){D.append(A);\\n}while(E.hasNext()){E.next(A);D.append(A);}}else{B.opcode="=";B.chars=H-F;G();}return D.toString();};\\nChangeset.inverse=function(U,F,G,J){function P(a){if(F.get){return F.get(a);}else{return F[a];}}function Z(){if((typeof F.length)=="number"){return F.length;\\n}else{return F.length();}}function Q(a){if(G.get){return G.get(a);}else{return G[a];}}function Y(){if((typeof G.length)=="number"){return G.length;\\n}else{return G.length();}}var C=0;var E=0;var D=null;var I;var A=Changeset.newOp("+");var R=Changeset.unpack(U);\\nvar N=Changeset.opIterator(R.ops);var H=Changeset.builder(R.newLen);function M(c,e){if((!D)||(I!=C)){D=Changeset.opIterator(Q(C));\\nI=C;var b=0;var d=false;while(!d){D.next(A);if(b+A.chars>=E){A.chars-=(E-b);d=true;}else{b+=A.chars;}}}while(c>0){if((!A.chars)&&(!D.hasNext())){C++;\\nE=0;I=C;A.chars=0;D=Changeset.opIterator(Q(C));}if(!A.chars){D.next(A);}var a=Math.min(c,A.chars);e(a,A.attribs,a==A.chars&&A.lines>0);\\nc-=a;A.chars-=a;E+=a;}if((!A.chars)&&(!D.hasNext())){C++;E=0;}}function X(b,a){if(a){C+=a;E=0;}else{if(D&&I==C){M(b,function(){});\\n}else{E+=b;}}}function S(e){var a=0;var b=Changeset.stringAssembler();var c=P(C).substring(E);a+=c.length;\\nb.append(c);var f=C+1;while(a\\x3ce){var d=P(f);a+=d.length;b.append(d);f++;}return b.toString().substring(0,e);\\n}function W(b){var a={};return function(c){if(!a[c]){a[c]=b(c);}return a[c];};}var K=[];var L=[];while(N.hasNext()){var B=N.next();\\nif(B.opcode=="="){if(B.attribs){K.length=0;L.length=0;Changeset.eachAttribNumber(B.attribs,function(a){K.push(J.getAttribKey(a));\\nL.push(J.getAttribValue(a));});var T=W(function(f){var d=[];for(var a=0;a\\x3cK.length;a++){var c=K[a];var e=L[a];\\nvar b=Changeset.attribsAttributeValue(f,c,J);if(e!=b){d.push([c,b]);}}return Changeset.makeAttribsString("=",d,J);\\n});M(B.chars,function(a,c,b){H.keep(a,b?1:0,T(c));});}else{X(B.chars,B.lines);H.keep(B.chars,B.lines);\\n}}else{if(B.opcode=="+"){H.remove(B.chars,B.lines);}else{if(B.opcode=="-"){var V=S(B.chars);var O=0;M(B.chars,function(a,b,c){H.insert(V.substr(O,a),b);\\nO+=a;});}}}}return Changeset.checkRep(H.toString());};Changeset.follow=function(N,L,K,G){var C=Changeset.unpack(N);\\nvar B=Changeset.unpack(L);var O=C.oldLen;var M=B.oldLen;Changeset.assert(O==M,"mismatched follow");var I=Changeset.stringIterator(C.charBank);\\nvar H=Changeset.stringIterator(B.charBank);var F=C.newLen;var D=0;var A=0;var E=Changeset.attributeTester(["insertorder","first"],G);\\nvar J=Changeset.applyZip(C.ops,0,B.ops,0,function(Q,P,R){if(Q.opcode=="+"||P.opcode=="+"){var S;if(P.opcode!="+"){S=1;\\n}else{if(Q.opcode!="+"){S=2;}else{var V=I.peek(1);var T=H.peek(1);var W=E(Q.attribs);var U=E(P.attribs);\\nif(W&&!U){S=1;}else{if(U&&!W){S=2;}else{if(V=="\\\\n"&&T!="\\\\n"){S=2;}else{if(V!="\\\\n"&&T=="\\\\n"){S=1;}else{if(K){S=2;\\n}else{S=1;}}}}}}}if(S==1){I.skip(Q.chars);R.opcode="=";R.lines=Q.lines;R.chars=Q.chars;R.attribs="";Q.opcode="";\\n}else{H.skip(P.chars);Changeset.copyOp(P,R);P.opcode="";}}else{if(Q.opcode=="-"){if(!P.opcode){Q.opcode="";\\n}else{if(Q.chars\\x3c=P.chars){P.chars-=Q.chars;P.lines-=Q.lines;Q.opcode="";if(!P.chars){P.opcode="";}}else{Q.chars-=P.chars;\\nQ.lines-=P.lines;P.opcode="";}}}else{if(P.opcode=="-"){Changeset.copyOp(P,R);if(!Q.opcode){P.opcode="";\\n}else{if(P.chars\\x3c=Q.chars){Q.chars-=P.chars;Q.lines-=P.lines;P.opcode="";if(!Q.chars){Q.opcode="";}}else{R.lines=Q.lines;\\nR.chars=Q.chars;P.lines-=Q.lines;P.chars-=Q.chars;Q.opcode="";}}}else{if(!Q.opcode){Changeset.copyOp(P,R);\\nP.opcode="";}else{if(!P.opcode){Changeset.copyOp(Q,R);Q.opcode="";}else{R.opcode="=";R.attribs=Changeset.followAttributes(Q.attribs,P.attribs,G);\\nif(Q.chars\\x3c=P.chars){R.chars=Q.chars;R.lines=Q.lines;P.chars-=Q.chars;P.lines-=Q.lines;Q.opcode="";if(!P.chars){P.opcode="";\\n}}else{R.chars=P.chars;R.lines=P.lines;Q.chars-=P.chars;Q.lines-=P.lines;P.opcode="";}}}}}}switch(R.opcode){case"=":D+=R.chars;\\nA+=R.chars;break;case"-":D+=R.chars;break;case"+":A+=R.chars;break;}});A+=F-D;return Changeset.pack(F,A,J,B.charBank);\\n};Changeset.followAttributes=function(F,E,B){if((!E)||(!B)){return"";}if(!F){return E;}var A=[];E.replace(/\\\\*([0-9a-z]+)/g,function(H,G){A.push(B.getAttrib(Changeset.parseNum(G)));\\nreturn"";});F.replace(/\\\\*([0-9a-z]+)/g,function(K,J){var I=B.getAttrib(Changeset.parseNum(J));for(var G=0;\\nG\\x3cA.length;G++){var H=A[G];if(I[0]==H[0]){if(I[1]\\x3c=H[1]){A.splice(G,1);}break;}}return"";});var C=Changeset.stringAssembler();\\nfor(var D=0;D\\x3cA.length;D++){C.append("*");C.append(Changeset.numToString(B.putAttrib(A[D])));}return C.toString();\\n};function makeCSSManager(I){function E(N){var M=document.styleSheets;for(var K=0;K\\x3cM.length;K++){var L=M[K];\\nif(L.title==N){return L;}}return null;}var A=E(I);function C(){return(A.cssRules||A.rules);}function H(K){if(A.deleteRule){A.deleteRule(K);\\n}else{A.removeRule(K);}}function F(L,K){if(A.insertRule){A.insertRule(K+" {}",L);}else{A.addRule(K,null,L);\\n}}var B=[];function D(L){for(var K=0;K\\x3cB.length;K++){if(B[K]==L){return K;}}return -1;}function G(K){var L=D(K);\\nif(L\\x3c0){F(0,K);B.splice(0,0,K);L=0;}return C().item(L).style;}function J(L){var K=D(L);if(K>=0){H(K);\\nB.splice(K,1);}}return{selectorStyle:G,removeSelectorStyle:J,info:function(){return B.length+":"+C().length;\\n}};}var colorutils={};colorutils.css2triple=function(C){var B=colorutils.css2sixhex(C);function A(D){return Number("0x"+D)/255;\\n}return[A(B.substr(0,2)),A(B.substr(2,2)),A(B.substr(4,2))];};colorutils.css2sixhex=function(E){var A=/[0-9a-fA-F]+/.exec(E)[0];\\nif(A.length!=6){var C=A.charAt(0);var B=A.charAt(1);var D=A.charAt(2);A=C+C+B+B+D+D;}return A;};colorutils.triple2css=function(B){function A(D){var C=colorutils.clamp(Math.round(D*255),0,255);\\nreturn("0"+C.toString(16)).slice(-2);}return"#"+A(B[0])+A(B[1])+A(B[2]);};colorutils.clamp=function(A,C,B){return A\\x3cC?C:(A>B?B:A);\\n};colorutils.min3=function(C,B,A){return(C\\x3cB)?(C\\x3cA?C:A):(B\\x3cA?B:A);};colorutils.max3=function(C,B,A){return(C>B)?(C>A?C:A):(B>A?B:A);\\n};colorutils.colorMin=function(A){return colorutils.min3(A[0],A[1],A[2]);};colorutils.colorMax=function(A){return colorutils.max3(A[0],A[1],A[2]);\\n};colorutils.scale=function(B,A,C){return colorutils.clamp(A+B*(C-A),0,1);};colorutils.unscale=function(B,A,C){return colorutils.clamp((B-A)/(C-A),0,1);\\n};colorutils.scaleColor=function(C,B,A){return[colorutils.scale(C[0],B,A),colorutils.scale(C[1],B,A),colorutils.scale(C[2],B,A)];\\n};colorutils.unscaleColor=function(C,B,A){return[colorutils.unscale(C[0],B,A),colorutils.unscale(C[1],B,A),colorutils.unscale(C[2],B,A)];\\n};colorutils.luminosity=function(A){return A[0]*0.3+A[1]*0.59+A[2]*0.11;};colorutils.saturate=function(A){var C=colorutils.colorMin(A);\\nvar B=colorutils.colorMax(A);if(B-C\\x3c=0){return[1,1,1];}return colorutils.unscaleColor(A,C,B);};colorutils.blend=function(C,B,A){return[colorutils.scale(A,C[0],B[0]),colorutils.scale(A,C[1],B[1]),colorutils.scale(A,C[2],B[2])];\\n};undoModule=(function(){var A=(function(){var M=[];var O=0;var Q="undoableEvent";var N="externalChange";\\nfunction P(){M.length=0;M.push({elementType:Q,eventType:"bottom"});O=1;}P();function T(Y){var X=extend({},Y);\\nX.elementType=Q;M.push(X);O++;}function U(Y){var X=M.length-1;if(M[X].elementType==N){M[X].changeset=Changeset.compose(M[X].changeset,Y,D());\\n}else{M.push({elementType:N,changeset:Y});}}function R(e){var c=M.length-1-e;var X=M.length-1;while(X>c||M[X].elementType==N){if(M[X].elementType==N){var Z=M[X];\\nvar Y=M[X-1];if(Y.backset){var b=Z.changeset;var d=Y.backset;Y.backset=Changeset.follow(b,Y.backset,false,D());\\nZ.changeset=Changeset.follow(d,Z.changeset,true,D());if((typeof Y.selStart)=="number"){var 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-var Y=[W,"<html><head>",('<style type="text/css">body{margin:0;white-space:nowrap;}#outerdocbody{background-color:#fff;}body.grayedout{background-color:#eee!important;}#innerdocbody{font-size:12px;font-family:monospace;line-height:16px;}body.doesWrap{white-space:normal;}#innerdocbody{padding-top:1px;padding-right:10px;padding-bottom:8px;padding-left:1px;overflow:hidden;background-image:url(data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==);}#sidediv{font-size:11px;font-family:monospace;line-height:16px;padding-top:8px;padding-right:3px;position:absolute;width:20px;top:0;left:0;cursor:default;color:white;}#sidedivinner{text-align:right;}.sidedivdelayed{background-color:#eee;color:#888!important;border-right:1px solid #999;}.sidedivhidden{display:none;}#outerdocbody iframe{display:block;position:relative;left:32px;top:7px;border:0;width:1px;height:1px;}#outerdocbody .hotrect{border:1px solid #999;position:absolute;}body.mozilla,body.safari{display:table-cell;}body.doesWrap{display:block!important;}.safari div{padding-right:1px;}p{margin:0;}#linemetricsdiv{position:absolute;left:-1000px;top:-1000px;color:white;z-index:-1;font-size:12px;font-family:monospace;}#overlaysdiv{position:absolute;left:-1000px;top:-1000px;}</style>'),'<link rel="stylesheet" type="text/css" href="data:text/css,"/>',"\x3cscript>",X,"\x3c/script>",'</head><body id="outerdocbody"><div id="sidediv"><!-- --></div><div id="linemetricsdiv">x</div><div id="overlaysdiv"><!-- --></div></body></html>'];
-var U=document.createElement("IFRAME");U.frameBorder=0;A.frame=U;document.getElementById(Q).appendChild(U);
-var V=U.contentWindow.document;V.open();V.write(Y.join(""));V.close();B.adjustSize();})();};return B;
-} \ No newline at end of file
diff --git a/etherpad/src/static/js/colorutils.js b/etherpad/src/static/js/colorutils.js
deleted file mode 100644
index e745f8e..0000000
--- a/etherpad/src/static/js/colorutils.js
+++ /dev/null
@@ -1,91 +0,0 @@
-// DO NOT EDIT THIS FILE, edit infrastructure/ace/www/colorutils.js
-
-/**
- * Copyright 2009 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS-IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-var colorutils = {};
-
-// "#ffffff" or "#fff" or "ffffff" or "fff" to [1.0, 1.0, 1.0]
-colorutils.css2triple = function(cssColor) {
- var sixHex = colorutils.css2sixhex(cssColor);
- function hexToFloat(hh) {
- return Number("0x"+hh)/255;
- }
- return [hexToFloat(sixHex.substr(0,2)),
- hexToFloat(sixHex.substr(2,2)),
- hexToFloat(sixHex.substr(4,2))];
-}
-
-// "#ffffff" or "#fff" or "ffffff" or "fff" to "ffffff"
-colorutils.css2sixhex = function(cssColor) {
- var h = /[0-9a-fA-F]+/.exec(cssColor)[0];
- if (h.length != 6) {
- var a = h.charAt(0);
- var b = h.charAt(1);
- var c = h.charAt(2);
- h = a+a+b+b+c+c;
- }
- return h;
-}
-
-// [1.0, 1.0, 1.0] -> "#ffffff"
-colorutils.triple2css = function(triple) {
- function floatToHex(n) {
- var n2 = colorutils.clamp(Math.round(n*255), 0, 255);
- return ("0"+n2.toString(16)).slice(-2);
- }
- return "#" + floatToHex(triple[0]) +
- floatToHex(triple[1]) + floatToHex(triple[2]);
-}
-
-
-colorutils.clamp = function(v,bot,top) { return v < bot ? bot : (v > top ? top : v); };
-colorutils.min3 = function(a,b,c) { return (a < b) ? (a < c ? a : c) : (b < c ? b : c); };
-colorutils.max3 = function(a,b,c) { return (a > b) ? (a > c ? a : c) : (b > c ? b : c); };
-colorutils.colorMin = function(c) { return colorutils.min3(c[0], c[1], c[2]); };
-colorutils.colorMax = function(c) { return colorutils.max3(c[0], c[1], c[2]); };
-colorutils.scale = function(v, bot, top) { return colorutils.clamp(bot + v*(top-bot), 0, 1); };
-colorutils.unscale = function(v, bot, top) { return colorutils.clamp((v-bot)/(top-bot), 0, 1); };
-
-colorutils.scaleColor = function(c, bot, top) {
- return [colorutils.scale(c[0], bot, top),
- colorutils.scale(c[1], bot, top),
- colorutils.scale(c[2], bot, top)];
-}
-
-colorutils.unscaleColor = function(c, bot, top) {
- return [colorutils.unscale(c[0], bot, top),
- colorutils.unscale(c[1], bot, top),
- colorutils.unscale(c[2], bot, top)];
-}
-
-colorutils.luminosity = function(c) {
- // rule of thumb for RGB brightness; 1.0 is white
- return c[0]*0.30 + c[1]*0.59 + c[2]*0.11;
-}
-
-colorutils.saturate = function(c) {
- var min = colorutils.colorMin(c);
- var max = colorutils.colorMax(c);
- if (max - min <= 0) return [1.0, 1.0, 1.0];
- return colorutils.unscaleColor(c, min, max);
-}
-
-colorutils.blend = function(c1, c2, t) {
- return [colorutils.scale(t, c1[0], c2[0]),
- colorutils.scale(t, c1[1], c2[1]),
- colorutils.scale(t, c1[2], c2[2])];
-}
diff --git a/etherpad/src/static/js/cssmanager_client.js b/etherpad/src/static/js/cssmanager_client.js
deleted file mode 100644
index 04ed641..0000000
--- a/etherpad/src/static/js/cssmanager_client.js
+++ /dev/null
@@ -1,88 +0,0 @@
-// DO NOT EDIT THIS FILE, edit infrastructure/ace/www/cssmanager.js
-
-/**
- * Copyright 2009 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS-IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-function makeCSSManager(emptyStylesheetTitle) {
-
- function getSheetByTitle(title) {
- var allSheets = document.styleSheets;
- for(var i=0;i<allSheets.length;i++) {
- var s = allSheets[i];
- if (s.title == title) {
- return s;
- }
- }
- return null;
- }
-
- /*function getSheetTagByTitle(title) {
- var allStyleTags = document.getElementsByTagName("style");
- for(var i=0;i<allStyleTags.length;i++) {
- var t = allStyleTags[i];
- if (t.title == title) {
- return t;
- }
- }
- return null;
- }*/
-
- var browserSheet = getSheetByTitle(emptyStylesheetTitle);
- //var browserTag = getSheetTagByTitle(emptyStylesheetTitle);
- function browserRules() { return (browserSheet.cssRules || browserSheet.rules); }
- function browserDeleteRule(i) {
- if (browserSheet.deleteRule) browserSheet.deleteRule(i);
- else browserSheet.removeRule(i);
- }
- function browserInsertRule(i, selector) {
- if (browserSheet.insertRule) browserSheet.insertRule(selector+' {}', i);
- else browserSheet.addRule(selector, null, i);
- }
- var selectorList = [];
-
- function indexOfSelector(selector) {
- for(var i=0;i<selectorList.length;i++) {
- if (selectorList[i] == selector) {
- return i;
- }
- }
- return -1;
- }
-
- function selectorStyle(selector) {
- var i = indexOfSelector(selector);
- if (i < 0) {
- // add selector
- browserInsertRule(0, selector);
- selectorList.splice(0, 0, selector);
- i = 0;
- }
- return browserRules().item(i).style;
- }
-
- function removeSelectorStyle(selector) {
- var i = indexOfSelector(selector);
- if (i >= 0) {
- browserDeleteRule(i);
- selectorList.splice(i, 1);
- }
- }
-
- return {selectorStyle:selectorStyle, removeSelectorStyle:removeSelectorStyle,
- info: function() {
- return selectorList.length+":"+browserRules().length;
- }};
-}
diff --git a/etherpad/src/static/js/domline_client.js b/etherpad/src/static/js/domline_client.js
deleted file mode 100644
index de2e7d3..0000000
--- a/etherpad/src/static/js/domline_client.js
+++ /dev/null
@@ -1,210 +0,0 @@
-// DO NOT EDIT THIS FILE, edit infrastructure/ace/www/domline.js
-
-/**
- * Copyright 2009 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS-IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-var domline = {};
-domline.noop = function() {};
-domline.identity = function(x) { return x; };
-
-domline.addToLineClass = function(lineClass, cls) {
- // an "empty span" at any point can be used to add classes to
- // the line, using line:className. otherwise, we ignore
- // the span.
- cls.replace(/\S+/g, function (c) {
- if (c.indexOf("line:") == 0) {
- // add class to line
- lineClass = (lineClass ? lineClass+' ' : '')+c.substring(5);
- }
- });
- return lineClass;
-}
-
-// if "document" is falsy we don't create a DOM node, just
-// an object with innerHTML and className
-domline.createDomLine = function(nonEmpty, doesWrap, optBrowser, optDocument) {
- var result = { node: null,
- appendSpan: domline.noop,
- prepareForAdd: domline.noop,
- notifyAdded: domline.noop,
- clearSpans: domline.noop,
- finishUpdate: domline.noop,
- lineMarker: 0 };
-
- var browser = (optBrowser || {});
- var document = optDocument;
-
- if (document) {
- result.node = document.createElement("div");
- }
- else {
- result.node = {innerHTML: '', className: ''};
- }
-
- var html = [];
- var preHtml, postHtml;
- var curHTML = null;
- function processSpaces(s) {
- return domline.processSpaces(s, doesWrap);
- }
- var identity = domline.identity;
- var perTextNodeProcess = (doesWrap ? identity : processSpaces);
- var perHtmlLineProcess = (doesWrap ? processSpaces : identity);
- var lineClass = 'ace-line';
- result.appendSpan = function(txt, cls) {
- if (cls.indexOf('list') >= 0) {
- var listType = /(?:^| )list:(\S+)/.exec(cls);
- if (listType) {
- listType = listType[1];
- if (listType) {
- preHtml = '<ul class="list-'+listType+'"><li>';
- postHtml = '</li></ul>';
- }
- result.lineMarker += txt.length;
- return; // don't append any text
- }
- }
- var href = null;
- var simpleTags = null;
- if (cls.indexOf('url') >= 0) {
- cls = cls.replace(/(^| )url:(\S+)/g, function(x0, space, url) {
- href = url;
- return space+"url";
- });
- }
- if (cls.indexOf('tag') >= 0) {
- cls = cls.replace(/(^| )tag:(\S+)/g, function(x0, space, tag) {
- if (! simpleTags) simpleTags = [];
- simpleTags.push(tag.toLowerCase());
- return space+tag;
- });
- }
- if ((! txt) && cls) {
- lineClass = domline.addToLineClass(lineClass, cls);
- }
- else if (txt) {
- var extraOpenTags = "";
- var extraCloseTags = "";
- if (href) {
- extraOpenTags = extraOpenTags+'<a href="'+
- href.replace(/\"/g, '&quot;')+'">';
- extraCloseTags = '</a>'+extraCloseTags;
- }
- if (simpleTags) {
- simpleTags.sort();
- extraOpenTags = extraOpenTags+'<'+simpleTags.join('><')+'>';
- simpleTags.reverse();
- extraCloseTags = '</'+simpleTags.join('></')+'>'+extraCloseTags;
- }
- html.push('<span class="',cls||'','">',extraOpenTags,
- perTextNodeProcess(domline.escapeHTML(txt)),
- extraCloseTags,'</span>');
- }
- };
- result.clearSpans = function() {
- html = [];
- lineClass = ''; // non-null to cause update
- result.lineMarker = 0;
- };
- function writeHTML() {
- var newHTML = perHtmlLineProcess(html.join(''));
- if (! newHTML) {
- if ((! document) || (! optBrowser)) {
- newHTML += '&nbsp;';
- }
- else if (! browser.msie) {
- newHTML += '<br/>';
- }
- }
- if (nonEmpty) {
- newHTML = (preHtml||'')+newHTML+(postHtml||'');
- }
- html = preHtml = postHtml = null; // free memory
- if (newHTML !== curHTML) {
- curHTML = newHTML;
- result.node.innerHTML = curHTML;
- }
- if (lineClass !== null) result.node.className = lineClass;
- }
- result.prepareForAdd = writeHTML;
- result.finishUpdate = writeHTML;
- result.getInnerHTML = function() { return curHTML || ''; };
-
- return result;
-};
-
-domline.escapeHTML = function(s) {
- var re = /[&<>'"]/g; /']/; // stupid indentation thing
- if (! re.MAP) {
- // persisted across function calls!
- re.MAP = {
- '&': '&amp;',
- '<': '&lt;',
- '>': '&gt;',
- '"': '&#34;',
- "'": '&#39;'
- };
- }
- return s.replace(re, function(c) { return re.MAP[c]; });
-};
-
-domline.processSpaces = function(s, doesWrap) {
- if (s.indexOf("<") < 0 && ! doesWrap) {
- // short-cut
- return s.replace(/ /g, '&nbsp;');
- }
- var parts = [];
- s.replace(/<[^>]*>?| |[^ <]+/g, function(m) { parts.push(m); });
- if (doesWrap) {
- var endOfLine = true;
- var beforeSpace = false;
- // last space in a run is normal, others are nbsp,
- // end of line is nbsp
- for(var i=parts.length-1;i>=0;i--) {
- var p = parts[i];
- if (p == " ") {
- if (endOfLine || beforeSpace)
- parts[i] = '&nbsp;';
- endOfLine = false;
- beforeSpace = true;
- }
- else if (p.charAt(0) != "<") {
- endOfLine = false;
- beforeSpace = false;
- }
- }
- // beginning of line is nbsp
- for(var i=0;i<parts.length;i++) {
- var p = parts[i];
- if (p == " ") {
- parts[i] = '&nbsp;';
- break;
- }
- else if (p.charAt(0) != "<") {
- break;
- }
- }
- }
- else {
- for(var i=0;i<parts.length;i++) {
- var p = parts[i];
- if (p == " ") {
- parts[i] = '&nbsp;';
- }
- }
- }
- return parts.join('');
-};
diff --git a/etherpad/src/static/js/easysync2_client.js b/etherpad/src/static/js/easysync2_client.js
deleted file mode 100644
index 043099c..0000000
--- a/etherpad/src/static/js/easysync2_client.js
+++ /dev/null
@@ -1,1777 +0,0 @@
-// DO NOT EDIT THIS FILE, edit infrastructure/ace/www/easysync2.js
-
-/**
- * Copyright 2009 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS-IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-//var _opt = (this.Easysync2Support || null);
-var _opt = null; // disable optimization for now
-
-function AttribPool() {
- var p = {};
- p.numToAttrib = {}; // e.g. {0: ['foo','bar']}
- p.attribToNum = {}; // e.g. {'foo,bar': 0}
- p.nextNum = 0;
-
- p.putAttrib = function(attrib, dontAddIfAbsent) {
- var str = String(attrib);
- if (str in p.attribToNum) {
- return p.attribToNum[str];
- }
- if (dontAddIfAbsent) {
- return -1;
- }
- var num = p.nextNum++;
- p.attribToNum[str] = num;
- p.numToAttrib[num] = [String(attrib[0]||''),
- String(attrib[1]||'')];
- return num;
- };
-
- p.getAttrib = function(num) {
- var pair = p.numToAttrib[num];
- if (! pair) return pair;
- return [pair[0], pair[1]]; // return a mutable copy
- };
-
- p.getAttribKey = function(num) {
- var pair = p.numToAttrib[num];
- if (! pair) return '';
- return pair[0];
- };
-
- p.getAttribValue = function(num) {
- var pair = p.numToAttrib[num];
- if (! pair) return '';
- return pair[1];
- };
-
- p.eachAttrib = function(func) {
- for(var n in p.numToAttrib) {
- var pair = p.numToAttrib[n];
- func(pair[0], pair[1]);
- }
- };
-
- p.toJsonable = function() {
- return {numToAttrib: p.numToAttrib, nextNum: p.nextNum};
- };
-
- p.fromJsonable = function(obj) {
- p.numToAttrib = obj.numToAttrib;
- p.nextNum = obj.nextNum;
- p.attribToNum = {};
- for(var n in p.numToAttrib) {
- p.attribToNum[String(p.numToAttrib[n])] = Number(n);
- }
- return p;
- };
-
- return p;
-}
-
-var Changeset = {};
-
-Changeset.error = function error(msg) { var e = new Error(msg); e.easysync = true; throw e; };
-Changeset.assert = function assert(b, msgParts) {
- if (! b) {
- var msg = Array.prototype.slice.call(arguments, 1).join('');
- Changeset.error("Changeset: "+msg);
- }
-};
-
-Changeset.parseNum = function(str) { return parseInt(str, 36); };
-Changeset.numToString = function(num) { return num.toString(36).toLowerCase(); };
-Changeset.toBaseTen = function(cs) {
- var dollarIndex = cs.indexOf('$');
- var beforeDollar = cs.substring(0, dollarIndex);
- var fromDollar = cs.substring(dollarIndex);
- return beforeDollar.replace(/[0-9a-z]+/g, function(s) {
- return String(Changeset.parseNum(s)); }) + fromDollar;
-};
-
-Changeset.oldLen = function(cs) {
- return Changeset.unpack(cs).oldLen;
-};
-Changeset.newLen = function(cs) {
- return Changeset.unpack(cs).newLen;
-};
-
-Changeset.opIterator = function(opsStr, optStartIndex) {
- //print(opsStr);
- var regex = /((?:\*[0-9a-z]+)*)(?:\|([0-9a-z]+))?([-+=])([0-9a-z]+)|\?|/g;
- var startIndex = (optStartIndex || 0);
- var curIndex = startIndex;
- var prevIndex = curIndex;
- function nextRegexMatch() {
- prevIndex = curIndex;
- var result;
- if (_opt) {
- result = _opt.nextOpInString(opsStr, curIndex);
- if (result) {
- if (result.opcode() == '?') {
- Changeset.error("Hit error opcode in op stream");
- }
- curIndex = result.lastIndex();
- }
- }
- else {
- regex.lastIndex = curIndex;
- result = regex.exec(opsStr);
- curIndex = regex.lastIndex;
- if (result[0] == '?') {
- Changeset.error("Hit error opcode in op stream");
- }
- }
- return result;
- }
- var regexResult = nextRegexMatch();
- var obj = Changeset.newOp();
- function next(optObj) {
- var op = (optObj || obj);
- if (_opt && regexResult) {
- op.attribs = regexResult.attribs();
- op.lines = regexResult.lines();
- op.chars = regexResult.chars();
- op.opcode = regexResult.opcode();
- regexResult = nextRegexMatch();
- }
- else if ((! _opt) && regexResult[0]) {
- op.attribs = regexResult[1];
- op.lines = Changeset.parseNum(regexResult[2] || 0);
- op.opcode = regexResult[3];
- op.chars = Changeset.parseNum(regexResult[4]);
- regexResult = nextRegexMatch();
- }
- else {
- Changeset.clearOp(op);
- }
- return op;
- }
- function hasNext() { return !! (_opt ? regexResult : regexResult[0]); }
- function lastIndex() { return prevIndex; }
- return {next: next, hasNext: hasNext, lastIndex: lastIndex};
-};
-
-Changeset.clearOp = function(op) {
- op.opcode = '';
- op.chars = 0;
- op.lines = 0;
- op.attribs = '';
-};
-Changeset.newOp = function(optOpcode) {
- return {opcode:(optOpcode || ''), chars:0, lines:0, attribs:''};
-};
-Changeset.cloneOp = function(op) {
- return {opcode: op.opcode, chars: op.chars, lines: op.lines, attribs: op.attribs};
-};
-Changeset.copyOp = function(op1, op2) {
- op2.opcode = op1.opcode;
- op2.chars = op1.chars;
- op2.lines = op1.lines;
- op2.attribs = op1.attribs;
-};
-Changeset.opString = function(op) {
- // just for debugging
- if (! op.opcode) return 'null';
- var assem = Changeset.opAssembler();
- assem.append(op);
- return assem.toString();
-};
-Changeset.stringOp = function(str) {
- // just for debugging
- return Changeset.opIterator(str).next();
-};
-
-Changeset.checkRep = function(cs) {
- // doesn't check things that require access to attrib pool (e.g. attribute order)
- // or original string (e.g. newline positions)
- var unpacked = Changeset.unpack(cs);
- var oldLen = unpacked.oldLen;
- var newLen = unpacked.newLen;
- var ops = unpacked.ops;
- var charBank = unpacked.charBank;
-
- var assem = Changeset.smartOpAssembler();
- var oldPos = 0;
- var calcNewLen = 0;
- var numInserted = 0;
- var iter = Changeset.opIterator(ops);
- while (iter.hasNext()) {
- var o = iter.next();
- switch (o.opcode) {
- case '=': oldPos += o.chars; calcNewLen += o.chars; break;
- case '-': oldPos += o.chars; Changeset.assert(oldPos < oldLen, oldPos," >= ",oldLen," in ",cs); break;
- case '+': {
- calcNewLen += o.chars; numInserted += o.chars;
- Changeset.assert(calcNewLen < newLen, calcNewLen," >= ",newLen," in ",cs);
- break;
- }
- }
- assem.append(o);
- }
-
- calcNewLen += oldLen - oldPos;
- charBank = charBank.substring(0, numInserted);
- while (charBank.length < numInserted) {
- charBank += "?";
- }
-
- assem.endDocument();
- var normalized = Changeset.pack(oldLen, calcNewLen, assem.toString(), charBank);
- Changeset.assert(normalized == cs, normalized,' != ',cs);
-
- return cs;
-}
-
-Changeset.smartOpAssembler = function() {
- // Like opAssembler but able to produce conforming changesets
- // from slightly looser input, at the cost of speed.
- // Specifically:
- // - merges consecutive operations that can be merged
- // - strips final "="
- // - ignores 0-length changes
- // - reorders consecutive + and - (which margingOpAssembler doesn't do)
-
- var minusAssem = Changeset.mergingOpAssembler();
- var plusAssem = Changeset.mergingOpAssembler();
- var keepAssem = Changeset.mergingOpAssembler();
- var assem = Changeset.stringAssembler();
- var lastOpcode = '';
- var lengthChange = 0;
-
- function flushKeeps() {
- assem.append(keepAssem.toString());
- keepAssem.clear();
- }
-
- function flushPlusMinus() {
- assem.append(minusAssem.toString());
- minusAssem.clear();
- assem.append(plusAssem.toString());
- plusAssem.clear();
- }
-
- function append(op) {
- if (! op.opcode) return;
- if (! op.chars) return;
-
- if (op.opcode == '-') {
- if (lastOpcode == '=') {
- flushKeeps();
- }
- minusAssem.append(op);
- lengthChange -= op.chars;
- }
- else if (op.opcode == '+') {
- if (lastOpcode == '=') {
- flushKeeps();
- }
- plusAssem.append(op);
- lengthChange += op.chars;
- }
- else if (op.opcode == '=') {
- if (lastOpcode != '=') {
- flushPlusMinus();
- }
- keepAssem.append(op);
- }
- lastOpcode = op.opcode;
- }
-
- function appendOpWithText(opcode, text, attribs, pool) {
- var op = Changeset.newOp(opcode);
- op.attribs = Changeset.makeAttribsString(opcode, attribs, pool);
- var lastNewlinePos = text.lastIndexOf('\n');
- if (lastNewlinePos < 0) {
- op.chars = text.length;
- op.lines = 0;
- append(op);
- }
- else {
- op.chars = lastNewlinePos+1;
- op.lines = text.match(/\n/g).length;
- append(op);
- op.chars = text.length - (lastNewlinePos+1);
- op.lines = 0;
- append(op);
- }
- }
-
- function toString() {
- flushPlusMinus();
- flushKeeps();
- return assem.toString();
- }
-
- function clear() {
- minusAssem.clear();
- plusAssem.clear();
- keepAssem.clear();
- assem.clear();
- lengthChange = 0;
- }
-
- function endDocument() {
- keepAssem.endDocument();
- }
-
- function getLengthChange() {
- return lengthChange;
- }
-
- return {append: append, toString: toString, clear: clear, endDocument: endDocument,
- appendOpWithText: appendOpWithText, getLengthChange: getLengthChange };
-};
-
-if (_opt) {
- Changeset.mergingOpAssembler = function() {
- var assem = _opt.mergingOpAssembler();
-
- function append(op) {
- assem.append(op.opcode, op.chars, op.lines, op.attribs);
- }
- function toString() {
- return assem.toString();
- }
- function clear() {
- assem.clear();
- }
- function endDocument() {
- assem.endDocument();
- }
-
- return {append: append, toString: toString, clear: clear, endDocument: endDocument};
- };
-}
-else {
- Changeset.mergingOpAssembler = function() {
- // This assembler can be used in production; it efficiently
- // merges consecutive operations that are mergeable, ignores
- // no-ops, and drops final pure "keeps". It does not re-order
- // operations.
- var assem = Changeset.opAssembler();
- var bufOp = Changeset.newOp();
-
- // If we get, for example, insertions [xxx\n,yyy], those don't merge,
- // but if we get [xxx\n,yyy,zzz\n], that merges to [xxx\nyyyzzz\n].
- // This variable stores the length of yyy and any other newline-less
- // ops immediately after it.
- var bufOpAdditionalCharsAfterNewline = 0;
-
- function flush(isEndDocument) {
- if (bufOp.opcode) {
- if (isEndDocument && bufOp.opcode == '=' && ! bufOp.attribs) {
- // final merged keep, leave it implicit
- }
- else {
- assem.append(bufOp);
- if (bufOpAdditionalCharsAfterNewline) {
- bufOp.chars = bufOpAdditionalCharsAfterNewline;
- bufOp.lines = 0;
- assem.append(bufOp);
- bufOpAdditionalCharsAfterNewline = 0;
- }
- }
- bufOp.opcode = '';
- }
- }
- function append(op) {
- if (op.chars > 0) {
- if (bufOp.opcode == op.opcode && bufOp.attribs == op.attribs) {
- if (op.lines > 0) {
- // bufOp and additional chars are all mergeable into a multi-line op
- bufOp.chars += bufOpAdditionalCharsAfterNewline + op.chars;
- bufOp.lines += op.lines;
- bufOpAdditionalCharsAfterNewline = 0;
- }
- else if (bufOp.lines == 0) {
- // both bufOp and op are in-line
- bufOp.chars += op.chars;
- }
- else {
- // append in-line text to multi-line bufOp
- bufOpAdditionalCharsAfterNewline += op.chars;
- }
- }
- else {
- flush();
- Changeset.copyOp(op, bufOp);
- }
- }
- }
- function endDocument() {
- flush(true);
- }
- function toString() {
- flush();
- return assem.toString();
- }
- function clear() {
- assem.clear();
- Changeset.clearOp(bufOp);
- }
- return {append: append, toString: toString, clear: clear, endDocument: endDocument};
- };
-}
-
-if (_opt) {
- Changeset.opAssembler = function() {
- var assem = _opt.opAssembler();
- // this function allows op to be mutated later (doesn't keep a ref)
- function append(op) {
- assem.append(op.opcode, op.chars, op.lines, op.attribs);
- }
- function toString() {
- return assem.toString();
- }
- function clear() {
- assem.clear();
- }
- return {append: append, toString: toString, clear: clear};
- };
-}
-else {
- Changeset.opAssembler = function() {
- var pieces = [];
- // this function allows op to be mutated later (doesn't keep a ref)
- function append(op) {
- pieces.push(op.attribs);
- if (op.lines) {
- pieces.push('|', Changeset.numToString(op.lines));
- }
- pieces.push(op.opcode);
- pieces.push(Changeset.numToString(op.chars));
- }
- function toString() {
- return pieces.join('');
- }
- function clear() {
- pieces.length = 0;
- }
- return {append: append, toString: toString, clear: clear};
- };
-}
-
-Changeset.stringIterator = function(str) {
- var curIndex = 0;
- function assertRemaining(n) {
- Changeset.assert(n <= remaining(), "!(",n," <= ",remaining(),")");
- }
- function take(n) {
- assertRemaining(n);
- var s = str.substr(curIndex, n);
- curIndex += n;
- return s;
- }
- function peek(n) {
- assertRemaining(n);
- var s = str.substr(curIndex, n);
- return s;
- }
- function skip(n) {
- assertRemaining(n);
- curIndex += n;
- }
- function remaining() {
- return str.length - curIndex;
- }
- return {take:take, skip:skip, remaining:remaining, peek:peek};
-};
-
-Changeset.stringAssembler = function() {
- var pieces = [];
- function append(x) {
- pieces.push(String(x));
- }
- function toString() {
- return pieces.join('');
- }
- return {append: append, toString: toString};
-};
-
-// "lines" need not be an array as long as it supports certain calls (lines_foo inside).
-Changeset.textLinesMutator = function(lines) {
- // Mutates lines, an array of strings, in place.
- // Mutation operations have the same constraints as changeset operations
- // with respect to newlines, but not the other additional constraints
- // (i.e. ins/del ordering, forbidden no-ops, non-mergeability, final newline).
- // Can be used to mutate lists of strings where the last char of each string
- // is not actually a newline, but for the purposes of N and L values,
- // the caller should pretend it is, and for things to work right in that case, the input
- // to insert() should be a single line with no newlines.
-
- var curSplice = [0,0];
- var inSplice = false;
- // position in document after curSplice is applied:
- var curLine = 0, curCol = 0;
- // invariant: if (inSplice) then (curLine is in curSplice[0] + curSplice.length - {2,3}) &&
- // curLine >= curSplice[0]
- // invariant: if (inSplice && (curLine >= curSplice[0] + curSplice.length - 2)) then
- // curCol == 0
-
- function lines_applySplice(s) {
- lines.splice.apply(lines, s);
- }
- function lines_toSource() {
- return lines.toSource();
- }
- function lines_get(idx) {
- if (lines.get) {
- return lines.get(idx);
- }
- else {
- return lines[idx];
- }
- }
- // can be unimplemented if removeLines's return value not needed
- function lines_slice(start, end) {
- if (lines.slice) {
- return lines.slice(start, end);
- }
- else {
- return [];
- }
- }
- function lines_length() {
- if ((typeof lines.length) == "number") {
- return lines.length;
- }
- else {
- return lines.length();
- }
- }
-
- function enterSplice() {
- curSplice[0] = curLine;
- curSplice[1] = 0;
- if (curCol > 0) {
- putCurLineInSplice();
- }
- inSplice = true;
- }
- function leaveSplice() {
- lines_applySplice(curSplice);
- curSplice.length = 2;
- curSplice[0] = curSplice[1] = 0;
- inSplice = false;
- }
- function isCurLineInSplice() {
- return (curLine - curSplice[0] < (curSplice.length - 2));
- }
- function debugPrint(typ) {
- print(typ+": "+curSplice.toSource()+" / "+curLine+","+curCol+" / "+lines_toSource());
- }
- function putCurLineInSplice() {
- if (! isCurLineInSplice()) {
- curSplice.push(lines_get(curSplice[0] + curSplice[1]));
- curSplice[1]++;
- }
- return 2 + curLine - curSplice[0];
- }
-
- function skipLines(L, includeInSplice) {
- if (L) {
- if (includeInSplice) {
- if (! inSplice) {
- enterSplice();
- }
- for(var i=0;i<L;i++) {
- curCol = 0;
- putCurLineInSplice();
- curLine++;
- }
- }
- else {
- if (inSplice) {
- if (L > 1) {
- leaveSplice();
- }
- else {
- putCurLineInSplice();
- }
- }
- curLine += L;
- curCol = 0;
- }
- //print(inSplice+" / "+isCurLineInSplice()+" / "+curSplice[0]+" / "+curSplice[1]+" / "+lines.length);
- /*if (inSplice && (! isCurLineInSplice()) && (curSplice[0] + curSplice[1] < lines.length)) {
- print("BLAH");
- putCurLineInSplice();
- }*/ // tests case foo in remove(), which isn't otherwise covered in current impl
- }
- //debugPrint("skip");
- }
-
- function skip(N, L, includeInSplice) {
- if (N) {
- if (L) {
- skipLines(L, includeInSplice);
- }
- else {
- if (includeInSplice && ! inSplice) {
- enterSplice();
- }
- if (inSplice) {
- putCurLineInSplice();
- }
- curCol += N;
- //debugPrint("skip");
- }
- }
- }
-
- function removeLines(L) {
- var removed = '';
- if (L) {
- if (! inSplice) {
- enterSplice();
- }
- function nextKLinesText(k) {
- var m = curSplice[0] + curSplice[1];
- return lines_slice(m, m+k).join('');
- }
- if (isCurLineInSplice()) {
- //print(curCol);
- if (curCol == 0) {
- removed = curSplice[curSplice.length-1];
- // print("FOO"); // case foo
- curSplice.length--;
- removed += nextKLinesText(L-1);
- curSplice[1] += L-1;
- }
- else {
- removed = nextKLinesText(L-1);
- curSplice[1] += L-1;
- var sline = curSplice.length - 1;
- removed = curSplice[sline].substring(curCol) + removed;
- curSplice[sline] = curSplice[sline].substring(0, curCol) +
- lines_get(curSplice[0] + curSplice[1]);
- curSplice[1] += 1;
- }
- }
- else {
- removed = nextKLinesText(L);
- curSplice[1] += L;
- }
- //debugPrint("remove");
- }
- return removed;
- }
-
- function remove(N, L) {
- var removed = '';
- if (N) {
- if (L) {
- return removeLines(L);
- }
- else {
- if (! inSplice) {
- enterSplice();
- }
- var sline = putCurLineInSplice();
- removed = curSplice[sline].substring(curCol, curCol+N);
- curSplice[sline] = curSplice[sline].substring(0, curCol) +
- curSplice[sline].substring(curCol+N);
- //debugPrint("remove");
- }
- }
- return removed;
- }
-
- function insert(text, L) {
- if (text) {
- if (! inSplice) {
- enterSplice();
- }
- if (L) {
- var newLines = Changeset.splitTextLines(text);
- if (isCurLineInSplice()) {
- //if (curCol == 0) {
- //curSplice.length--;
- //curSplice[1]--;
- //Array.prototype.push.apply(curSplice, newLines);
- //curLine += newLines.length;
- //}
- //else {
- var sline = curSplice.length - 1;
- var theLine = curSplice[sline];
- var lineCol = curCol;
- curSplice[sline] = theLine.substring(0, lineCol) + newLines[0];
- curLine++;
- newLines.splice(0, 1);
- Array.prototype.push.apply(curSplice, newLines);
- curLine += newLines.length;
- curSplice.push(theLine.substring(lineCol));
- curCol = 0;
- //}
- }
- else {
- Array.prototype.push.apply(curSplice, newLines);
- curLine += newLines.length;
- }
- }
- else {
- var sline = putCurLineInSplice();
- curSplice[sline] = curSplice[sline].substring(0, curCol) +
- text + curSplice[sline].substring(curCol);
- curCol += text.length;
- }
- //debugPrint("insert");
- }
- }
-
- function hasMore() {
- //print(lines.length+" / "+inSplice+" / "+(curSplice.length - 2)+" / "+curSplice[1]);
- var docLines = lines_length();
- if (inSplice) {
- docLines += curSplice.length - 2 - curSplice[1];
- }
- return curLine < docLines;
- }
-
- function close() {
- if (inSplice) {
- leaveSplice();
- }
- //debugPrint("close");
- }
-
- var self = {skip:skip, remove:remove, insert:insert, close:close, hasMore:hasMore,
- removeLines:removeLines, skipLines: skipLines};
- return self;
-};
-
-Changeset.applyZip = function(in1, idx1, in2, idx2, func) {
- var iter1 = Changeset.opIterator(in1, idx1);
- var iter2 = Changeset.opIterator(in2, idx2);
- var assem = Changeset.smartOpAssembler();
- var op1 = Changeset.newOp();
- var op2 = Changeset.newOp();
- var opOut = Changeset.newOp();
- while (op1.opcode || iter1.hasNext() || op2.opcode || iter2.hasNext()) {
- if ((! op1.opcode) && iter1.hasNext()) iter1.next(op1);
- if ((! op2.opcode) && iter2.hasNext()) iter2.next(op2);
- func(op1, op2, opOut);
- if (opOut.opcode) {
- //print(opOut.toSource());
- assem.append(opOut);
- opOut.opcode = '';
- }
- }
- assem.endDocument();
- return assem.toString();
-};
-
-Changeset.unpack = function(cs) {
- var headerRegex = /Z:([0-9a-z]+)([><])([0-9a-z]+)|/;
- var headerMatch = headerRegex.exec(cs);
- if ((! headerMatch) || (! headerMatch[0])) {
- Changeset.error("Not a changeset: "+cs);
- }
- var oldLen = Changeset.parseNum(headerMatch[1]);
- var changeSign = (headerMatch[2] == '>') ? 1 : -1;
- var changeMag = Changeset.parseNum(headerMatch[3]);
- var newLen = oldLen + changeSign*changeMag;
- var opsStart = headerMatch[0].length;
- var opsEnd = cs.indexOf("$");
- if (opsEnd < 0) opsEnd = cs.length;
- return {oldLen: oldLen, newLen: newLen, ops: cs.substring(opsStart, opsEnd),
- charBank: cs.substring(opsEnd+1)};
-};
-
-Changeset.pack = function(oldLen, newLen, opsStr, bank) {
- var lenDiff = newLen - oldLen;
- var lenDiffStr = (lenDiff >= 0 ?
- '>'+Changeset.numToString(lenDiff) :
- '<'+Changeset.numToString(-lenDiff));
- var a = [];
- a.push('Z:', Changeset.numToString(oldLen), lenDiffStr, opsStr, '$', bank);
- return a.join('');
-};
-
-Changeset.applyToText = function(cs, str) {
- var unpacked = Changeset.unpack(cs);
- Changeset.assert(str.length == unpacked.oldLen,
- "mismatched apply: ",str.length," / ",unpacked.oldLen);
- var csIter = Changeset.opIterator(unpacked.ops);
- var bankIter = Changeset.stringIterator(unpacked.charBank);
- var strIter = Changeset.stringIterator(str);
- var assem = Changeset.stringAssembler();
- while (csIter.hasNext()) {
- var op = csIter.next();
- switch(op.opcode) {
- case '+': assem.append(bankIter.take(op.chars)); break;
- case '-': strIter.skip(op.chars); break;
- case '=': assem.append(strIter.take(op.chars)); break;
- }
- }
- assem.append(strIter.take(strIter.remaining()));
- return assem.toString();
-};
-
-Changeset.mutateTextLines = function(cs, lines) {
- var unpacked = Changeset.unpack(cs);
- var csIter = Changeset.opIterator(unpacked.ops);
- var bankIter = Changeset.stringIterator(unpacked.charBank);
- var mut = Changeset.textLinesMutator(lines);
- while (csIter.hasNext()) {
- var op = csIter.next();
- switch(op.opcode) {
- case '+': mut.insert(bankIter.take(op.chars), op.lines); break;
- case '-': mut.remove(op.chars, op.lines); break;
- case '=': mut.skip(op.chars, op.lines, (!! op.attribs)); break;
- }
- }
- mut.close();
-};
-
-Changeset.composeAttributes = function(att1, att2, resultIsMutation, pool) {
- // att1 and att2 are strings like "*3*f*1c", asMutation is a boolean.
-
- // Sometimes attribute (key,value) pairs are treated as attribute presence
- // information, while other times they are treated as operations that
- // mutate a set of attributes, and this affects whether an empty value
- // is a deletion or a change.
- // Examples, of the form (att1Items, att2Items, resultIsMutation) -> result
- // ([], [(bold, )], true) -> [(bold, )]
- // ([], [(bold, )], false) -> []
- // ([], [(bold, true)], true) -> [(bold, true)]
- // ([], [(bold, true)], false) -> [(bold, true)]
- // ([(bold, true)], [(bold, )], true) -> [(bold, )]
- // ([(bold, true)], [(bold, )], false) -> []
-
- // pool can be null if att2 has no attributes.
-
- if ((! att1) && resultIsMutation) {
- // In the case of a mutation (i.e. composing two changesets),
- // an att2 composed with an empy att1 is just att2. If att1
- // is part of an attribution string, then att2 may remove
- // attributes that are already gone, so don't do this optimization.
- return att2;
- }
- if (! att2) return att1;
- var atts = [];
- att1.replace(/\*([0-9a-z]+)/g, function(_, a) {
- atts.push(pool.getAttrib(Changeset.parseNum(a)));
- return '';
- });
- att2.replace(/\*([0-9a-z]+)/g, function(_, a) {
- var pair = pool.getAttrib(Changeset.parseNum(a));
- var found = false;
- for(var i=0;i<atts.length;i++) {
- var oldPair = atts[i];
- if (oldPair[0] == pair[0]) {
- if (pair[1] || resultIsMutation) {
- oldPair[1] = pair[1];
- }
- else {
- atts.splice(i, 1);
- }
- found = true;
- break;
- }
- }
- if ((! found) && (pair[1] || resultIsMutation)) {
- atts.push(pair);
- }
- return '';
- });
- atts.sort();
- var buf = Changeset.stringAssembler();
- for(var i=0;i<atts.length;i++) {
- buf.append('*');
- buf.append(Changeset.numToString(pool.putAttrib(atts[i])));
- }
- //print(att1+" / "+att2+" / "+buf.toString());
- return buf.toString();
-};
-
-Changeset._slicerZipperFunc = function(attOp, csOp, opOut, pool) {
- // attOp is the op from the sequence that is being operated on, either an
- // attribution string or the earlier of two changesets being composed.
- // pool can be null if definitely not needed.
-
- //print(csOp.toSource()+" "+attOp.toSource()+" "+opOut.toSource());
- if (attOp.opcode == '-') {
- Changeset.copyOp(attOp, opOut);
- attOp.opcode = '';
- }
- else if (! attOp.opcode) {
- Changeset.copyOp(csOp, opOut);
- csOp.opcode = '';
- }
- else {
- switch (csOp.opcode) {
- case '-': {
- if (csOp.chars <= attOp.chars) {
- // delete or delete part
- if (attOp.opcode == '=') {
- opOut.opcode = '-';
- opOut.chars = csOp.chars;
- opOut.lines = csOp.lines;
- opOut.attribs = '';
- }
- attOp.chars -= csOp.chars;
- attOp.lines -= csOp.lines;
- csOp.opcode = '';
- if (! attOp.chars) {
- attOp.opcode = '';
- }
- }
- else {
- // delete and keep going
- if (attOp.opcode == '=') {
- opOut.opcode = '-';
- opOut.chars = attOp.chars;
- opOut.lines = attOp.lines;
- opOut.attribs = '';
- }
- csOp.chars -= attOp.chars;
- csOp.lines -= attOp.lines;
- attOp.opcode = '';
- }
- break;
- }
- case '+': {
- // insert
- Changeset.copyOp(csOp, opOut);
- csOp.opcode = '';
- break;
- }
- case '=': {
- if (csOp.chars <= attOp.chars) {
- // keep or keep part
- opOut.opcode = attOp.opcode;
- opOut.chars = csOp.chars;
- opOut.lines = csOp.lines;
- opOut.attribs = Changeset.composeAttributes(attOp.attribs, csOp.attribs,
- attOp.opcode == '=', pool);
- csOp.opcode = '';
- attOp.chars -= csOp.chars;
- attOp.lines -= csOp.lines;
- if (! attOp.chars) {
- attOp.opcode = '';
- }
- }
- else {
- // keep and keep going
- opOut.opcode = attOp.opcode;
- opOut.chars = attOp.chars;
- opOut.lines = attOp.lines;
- opOut.attribs = Changeset.composeAttributes(attOp.attribs, csOp.attribs,
- attOp.opcode == '=', pool);
- attOp.opcode = '';
- csOp.chars -= attOp.chars;
- csOp.lines -= attOp.lines;
- }
- break;
- }
- case '': {
- Changeset.copyOp(attOp, opOut);
- attOp.opcode = '';
- break;
- }
- }
- }
-};
-
-Changeset.applyToAttribution = function(cs, astr, pool) {
- var unpacked = Changeset.unpack(cs);
-
- return Changeset.applyZip(astr, 0, unpacked.ops, 0, function(op1, op2, opOut) {
- return Changeset._slicerZipperFunc(op1, op2, opOut, pool);
- });
-};
-
-/*Changeset.oneInsertedLineAtATimeOpIterator = function(opsStr, optStartIndex, charBank) {
- var iter = Changeset.opIterator(opsStr, optStartIndex);
- var bankIndex = 0;
-
-};*/
-
-Changeset.mutateAttributionLines = function(cs, lines, pool) {
- //dmesg(cs);
- //dmesg(lines.toSource()+" ->");
-
- var unpacked = Changeset.unpack(cs);
- var csIter = Changeset.opIterator(unpacked.ops);
- var csBank = unpacked.charBank;
- var csBankIndex = 0;
- // treat the attribution lines as text lines, mutating a line at a time
- var mut = Changeset.textLinesMutator(lines);
-
- var lineIter = null;
- function isNextMutOp() {
- return (lineIter && lineIter.hasNext()) || mut.hasMore();
- }
- function nextMutOp(destOp) {
- if ((!(lineIter && lineIter.hasNext())) && mut.hasMore()) {
- var line = mut.removeLines(1);
- lineIter = Changeset.opIterator(line);
- }
- if (lineIter && lineIter.hasNext()) {
- lineIter.next(destOp);
- }
- else {
- destOp.opcode = '';
- }
- }
- var lineAssem = null;
- function outputMutOp(op) {
- //print("outputMutOp: "+op.toSource());
- if (! lineAssem) {
- lineAssem = Changeset.mergingOpAssembler();
- }
- lineAssem.append(op);
- if (op.lines > 0) {
- Changeset.assert(op.lines == 1, "Can't have op.lines of ",op.lines," in attribution lines");
- // ship it to the mut
- mut.insert(lineAssem.toString(), 1);
- lineAssem = null;
- }
- }
-
- var csOp = Changeset.newOp();
- var attOp = Changeset.newOp();
- var opOut = Changeset.newOp();
- while (csOp.opcode || csIter.hasNext() || attOp.opcode || isNextMutOp()) {
- if ((! csOp.opcode) && csIter.hasNext()) {
- csIter.next(csOp);
- }
- //print(csOp.toSource()+" "+attOp.toSource()+" "+opOut.toSource());
- //print(csOp.opcode+"/"+csOp.lines+"/"+csOp.attribs+"/"+lineAssem+"/"+lineIter+"/"+(lineIter?lineIter.hasNext():null));
- //print("csOp: "+csOp.toSource());
- if ((! csOp.opcode) && (! attOp.opcode) &&
- (! lineAssem) && (! (lineIter && lineIter.hasNext()))) {
- break; // done
- }
- else if (csOp.opcode == '=' && csOp.lines > 0 && (! csOp.attribs) && (! attOp.opcode) &&
- (! lineAssem) && (! (lineIter && lineIter.hasNext()))) {
- // skip multiple lines; this is what makes small changes not order of the document size
- mut.skipLines(csOp.lines);
- //print("skipped: "+csOp.lines);
- csOp.opcode = '';
- }
- else if (csOp.opcode == '+') {
- if (csOp.lines > 1) {
- var firstLineLen = csBank.indexOf('\n', csBankIndex) + 1 - csBankIndex;
- Changeset.copyOp(csOp, opOut);
- csOp.chars -= firstLineLen;
- csOp.lines--;
- opOut.lines = 1;
- opOut.chars = firstLineLen;
- }
- else {
- Changeset.copyOp(csOp, opOut);
- csOp.opcode = '';
- }
- outputMutOp(opOut);
- csBankIndex += opOut.chars;
- opOut.opcode = '';
- }
- else {
- if ((! attOp.opcode) && isNextMutOp()) {
- nextMutOp(attOp);
- }
- //print("attOp: "+attOp.toSource());
- Changeset._slicerZipperFunc(attOp, csOp, opOut, pool);
- if (opOut.opcode) {
- outputMutOp(opOut);
- opOut.opcode = '';
- }
- }
- }
-
- Changeset.assert(! lineAssem, "line assembler not finished");
- mut.close();
-
- //dmesg("-> "+lines.toSource());
-};
-
-Changeset.joinAttributionLines = function(theAlines) {
- var assem = Changeset.mergingOpAssembler();
- for(var i=0;i<theAlines.length;i++) {
- var aline = theAlines[i];
- var iter = Changeset.opIterator(aline);
- while (iter.hasNext()) {
- assem.append(iter.next());
- }
- }
- return assem.toString();
-};
-
-Changeset.splitAttributionLines = function(attrOps, text) {
- var iter = Changeset.opIterator(attrOps);
- var assem = Changeset.mergingOpAssembler();
- var lines = [];
- var pos = 0;
-
- function appendOp(op) {
- assem.append(op);
- if (op.lines > 0) {
- lines.push(assem.toString());
- assem.clear();
- }
- pos += op.chars;
- }
-
- while (iter.hasNext()) {
- var op = iter.next();
- var numChars = op.chars;
- var numLines = op.lines;
- while (numLines > 1) {
- var newlineEnd = text.indexOf('\n', pos)+1;
- Changeset.assert(newlineEnd > 0, "newlineEnd <= 0 in splitAttributionLines");
- op.chars = newlineEnd - pos;
- op.lines = 1;
- appendOp(op);
- numChars -= op.chars;
- numLines -= op.lines;
- }
- if (numLines == 1) {
- op.chars = numChars;
- op.lines = 1;
- }
- appendOp(op);
- }
-
- return lines;
-};
-
-Changeset.splitTextLines = function(text) {
- return text.match(/[^\n]*(?:\n|[^\n]$)/g);
-};
-
-Changeset.compose = function(cs1, cs2, pool) {
- var unpacked1 = Changeset.unpack(cs1);
- var unpacked2 = Changeset.unpack(cs2);
- var len1 = unpacked1.oldLen;
- var len2 = unpacked1.newLen;
- Changeset.assert(len2 == unpacked2.oldLen, "mismatched composition");
- var len3 = unpacked2.newLen;
- var bankIter1 = Changeset.stringIterator(unpacked1.charBank);
- var bankIter2 = Changeset.stringIterator(unpacked2.charBank);
- var bankAssem = Changeset.stringAssembler();
-
- var newOps = Changeset.applyZip(unpacked1.ops, 0, unpacked2.ops, 0, function(op1, op2, opOut) {
- //var debugBuilder = Changeset.stringAssembler();
- //debugBuilder.append(Changeset.opString(op1));
- //debugBuilder.append(',');
- //debugBuilder.append(Changeset.opString(op2));
- //debugBuilder.append(' / ');
-
- var op1code = op1.opcode;
- var op2code = op2.opcode;
- if (op1code == '+' && op2code == '-') {
- bankIter1.skip(Math.min(op1.chars, op2.chars));
- }
- Changeset._slicerZipperFunc(op1, op2, opOut, pool);
- if (opOut.opcode == '+') {
- if (op2code == '+') {
- bankAssem.append(bankIter2.take(opOut.chars));
- }
- else {
- bankAssem.append(bankIter1.take(opOut.chars));
- }
- }
-
- //debugBuilder.append(Changeset.opString(op1));
- //debugBuilder.append(',');
- //debugBuilder.append(Changeset.opString(op2));
- //debugBuilder.append(' -> ');
- //debugBuilder.append(Changeset.opString(opOut));
- //print(debugBuilder.toString());
- });
-
- return Changeset.pack(len1, len3, newOps, bankAssem.toString());
-};
-
-Changeset.attributeTester = function(attribPair, pool) {
- // returns a function that tests if a string of attributes
- // (e.g. *3*4) contains a given attribute key,value that
- // is already present in the pool.
- if (! pool) {
- return never;
- }
- var attribNum = pool.putAttrib(attribPair, true);
- if (attribNum < 0) {
- return never;
- }
- else {
- var re = new RegExp('\\*'+Changeset.numToString(attribNum)+
- '(?!\\w)');
- return function(attribs) {
- return re.test(attribs);
- };
- }
- function never(attribs) { return false; }
-};
-
-Changeset.identity = function(N) {
- return Changeset.pack(N, N, "", "");
-};
-
-Changeset.makeSplice = function(oldFullText, spliceStart, numRemoved, newText, optNewTextAPairs, pool) {
- var oldLen = oldFullText.length;
-
- if (spliceStart >= oldLen) {
- spliceStart = oldLen - 1;
- }
- if (numRemoved > oldFullText.length - spliceStart - 1) {
- numRemoved = oldFullText.length - spliceStart - 1;
- }
- var oldText = oldFullText.substring(spliceStart, spliceStart+numRemoved);
- var newLen = oldLen + newText.length - oldText.length;
-
- var assem = Changeset.smartOpAssembler();
- assem.appendOpWithText('=', oldFullText.substring(0, spliceStart));
- assem.appendOpWithText('-', oldText);
- assem.appendOpWithText('+', newText, optNewTextAPairs, pool);
- assem.endDocument();
- return Changeset.pack(oldLen, newLen, assem.toString(), newText);
-};
-
-Changeset.toSplices = function(cs) {
- // get a list of splices, [startChar, endChar, newText]
-
- var unpacked = Changeset.unpack(cs);
- var splices = [];
-
- var oldPos = 0;
- var iter = Changeset.opIterator(unpacked.ops);
- var charIter = Changeset.stringIterator(unpacked.charBank);
- var inSplice = false;
- while (iter.hasNext()) {
- var op = iter.next();
- if (op.opcode == '=') {
- oldPos += op.chars;
- inSplice = false;
- }
- else {
- if (! inSplice) {
- splices.push([oldPos, oldPos, ""]);
- inSplice = true;
- }
- if (op.opcode == '-') {
- oldPos += op.chars;
- splices[splices.length-1][1] += op.chars;
- }
- else if (op.opcode == '+') {
- splices[splices.length-1][2] += charIter.take(op.chars);
- }
- }
- }
-
- return splices;
-};
-
-Changeset.characterRangeFollow = function(cs, startChar, endChar, insertionsAfter) {
- var newStartChar = startChar;
- var newEndChar = endChar;
- var splices = Changeset.toSplices(cs);
- var lengthChangeSoFar = 0;
- for(var i=0;i<splices.length;i++) {
- var splice = splices[i];
- var spliceStart = splice[0] + lengthChangeSoFar;
- var spliceEnd = splice[1] + lengthChangeSoFar;
- var newTextLength = splice[2].length;
- var thisLengthChange = newTextLength - (spliceEnd - spliceStart);
-
- if (spliceStart <= newStartChar && spliceEnd >= newEndChar) {
- // splice fully replaces/deletes range
- // (also case that handles insertion at a collapsed selection)
- if (insertionsAfter) {
- newStartChar = newEndChar = spliceStart;
- }
- else {
- newStartChar = newEndChar = spliceStart + newTextLength;
- }
- }
- else if (spliceEnd <= newStartChar) {
- // splice is before range
- newStartChar += thisLengthChange;
- newEndChar += thisLengthChange;
- }
- else if (spliceStart >= newEndChar) {
- // splice is after range
- }
- else if (spliceStart >= newStartChar && spliceEnd <= newEndChar) {
- // splice is inside range
- newEndChar += thisLengthChange;
- }
- else if (spliceEnd < newEndChar) {
- // splice overlaps beginning of range
- newStartChar = spliceStart + newTextLength;
- newEndChar += thisLengthChange;
- }
- else {
- // splice overlaps end of range
- newEndChar = spliceStart;
- }
-
- lengthChangeSoFar += thisLengthChange;
- }
-
- return [newStartChar, newEndChar];
-};
-
-Changeset.moveOpsToNewPool = function(cs, oldPool, newPool) {
- // works on changeset or attribution string
- var dollarPos = cs.indexOf('$');
- if (dollarPos < 0) {
- dollarPos = cs.length;
- }
- var upToDollar = cs.substring(0, dollarPos);
- var fromDollar = cs.substring(dollarPos);
- // order of attribs stays the same
- return upToDollar.replace(/\*([0-9a-z]+)/g, function(_, a) {
- var oldNum = Changeset.parseNum(a);
- var pair = oldPool.getAttrib(oldNum);
- var newNum = newPool.putAttrib(pair);
- return '*'+Changeset.numToString(newNum);
- }) + fromDollar;
-};
-
-Changeset.makeAttribution = function(text) {
- var assem = Changeset.smartOpAssembler();
- assem.appendOpWithText('+', text);
- return assem.toString();
-};
-
-// callable on a changeset, attribution string, or attribs property of an op
-Changeset.eachAttribNumber = function(cs, func) {
- var dollarPos = cs.indexOf('$');
- if (dollarPos < 0) {
- dollarPos = cs.length;
- }
- var upToDollar = cs.substring(0, dollarPos);
-
- upToDollar.replace(/\*([0-9a-z]+)/g, function(_, a) {
- func(Changeset.parseNum(a));
- return '';
- });
-};
-
-// callable on a changeset, attribution string, or attribs property of an op,
-// though it may easily create adjacent ops that can be merged.
-Changeset.filterAttribNumbers = function(cs, filter) {
- return Changeset.mapAttribNumbers(cs, filter);
-};
-
-Changeset.mapAttribNumbers = function(cs, func) {
- var dollarPos = cs.indexOf('$');
- if (dollarPos < 0) {
- dollarPos = cs.length;
- }
- var upToDollar = cs.substring(0, dollarPos);
-
- var newUpToDollar = upToDollar.replace(/\*([0-9a-z]+)/g, function(s, a) {
- var n = func(Changeset.parseNum(a));
- if (n === true) {
- return s;
- }
- else if ((typeof n) === "number") {
- return '*'+Changeset.numToString(n);
- }
- else {
- return '';
- }
- });
-
- return newUpToDollar + cs.substring(dollarPos);
-};
-
-Changeset.makeAText = function(text, attribs) {
- return { text: text, attribs: (attribs || Changeset.makeAttribution(text)) };
-};
-
-Changeset.applyToAText = function(cs, atext, pool) {
- return { text: Changeset.applyToText(cs, atext.text),
- attribs: Changeset.applyToAttribution(cs, atext.attribs, pool) };
-};
-
-Changeset.cloneAText = function(atext) {
- return { text: atext.text, attribs: atext.attribs };
-};
-
-Changeset.copyAText = function(atext1, atext2) {
- atext2.text = atext1.text;
- atext2.attribs = atext1.attribs;
-};
-
-Changeset.appendATextToAssembler = function(atext, assem) {
- // intentionally skips last newline char of atext
- var iter = Changeset.opIterator(atext.attribs);
- var op = Changeset.newOp();
- while (iter.hasNext()) {
- iter.next(op);
- if (! iter.hasNext()) {
- // last op, exclude final newline
- if (op.lines <= 1) {
- op.lines = 0;
- op.chars--;
- if (op.chars) {
- assem.append(op);
- }
- }
- else {
- var nextToLastNewlineEnd =
- atext.text.lastIndexOf('\n', atext.text.length-2) + 1;
- var lastLineLength = atext.text.length - nextToLastNewlineEnd - 1;
- op.lines--;
- op.chars -= (lastLineLength + 1);
- assem.append(op);
- op.lines = 0;
- op.chars = lastLineLength;
- if (op.chars) {
- assem.append(op);
- }
- }
- }
- else {
- assem.append(op);
- }
- }
-};
-
-Changeset.prepareForWire = function(cs, pool) {
- var newPool = new AttribPool();
- var newCs = Changeset.moveOpsToNewPool(cs, pool, newPool);
- return {translated: newCs, pool: newPool};
-};
-
-Changeset.isIdentity = function(cs) {
- var unpacked = Changeset.unpack(cs);
- return unpacked.ops == "" && unpacked.oldLen == unpacked.newLen;
-};
-
-Changeset.opAttributeValue = function(op, key, pool) {
- return Changeset.attribsAttributeValue(op.attribs, key, pool);
-};
-
-Changeset.attribsAttributeValue = function(attribs, key, pool) {
- var value = '';
- if (attribs) {
- Changeset.eachAttribNumber(attribs, function(n) {
- if (pool.getAttribKey(n) == key) {
- value = pool.getAttribValue(n);
- }
- });
- }
- return value;
-};
-
-Changeset.builder = function(oldLen) {
- var assem = Changeset.smartOpAssembler();
- var o = Changeset.newOp();
- var charBank = Changeset.stringAssembler();
-
- var self = {
- // attribs are [[key1,value1],[key2,value2],...] or '*0*1...' (no pool needed in latter case)
- keep: function(N, L, attribs, pool) {
- o.opcode = '=';
- o.attribs = (attribs &&
- Changeset.makeAttribsString('=', attribs, pool)) || '';
- o.chars = N;
- o.lines = (L || 0);
- assem.append(o);
- return self;
- },
- keepText: function(text, attribs, pool) {
- assem.appendOpWithText('=', text, attribs, pool);
- return self;
- },
- insert: function(text, attribs, pool) {
- assem.appendOpWithText('+', text, attribs, pool);
- charBank.append(text);
- return self;
- },
- remove: function(N, L) {
- o.opcode = '-';
- o.attribs = '';
- o.chars = N;
- o.lines = (L || 0);
- assem.append(o);
- return self;
- },
- toString: function() {
- assem.endDocument();
- var newLen = oldLen + assem.getLengthChange();
- return Changeset.pack(oldLen, newLen, assem.toString(),
- charBank.toString());
- }
- };
-
- return self;
-};
-
-Changeset.makeAttribsString = function(opcode, attribs, pool) {
- // makeAttribsString(opcode, '*3') or makeAttribsString(opcode, [['foo','bar']], myPool) work
- if (! attribs) {
- return '';
- }
- else if ((typeof attribs) == "string") {
- return attribs;
- }
- else if (pool && attribs && attribs.length) {
- if (attribs.length > 1) {
- attribs = attribs.slice();
- attribs.sort();
- }
- var result = [];
- for(var i=0;i<attribs.length;i++) {
- var pair = attribs[i];
- if (opcode == '=' || (opcode == '+' && pair[1])) {
- result.push('*'+Changeset.numToString(pool.putAttrib(pair)));
- }
- }
- return result.join('');
- }
-};
-
-// like "substring" but on a single-line attribution string
-Changeset.subattribution = function(astr, start, optEnd) {
- var iter = Changeset.opIterator(astr, 0);
- var assem = Changeset.smartOpAssembler();
- var attOp = Changeset.newOp();
- var csOp = Changeset.newOp();
- var opOut = Changeset.newOp();
-
- function doCsOp() {
- if (csOp.chars) {
- while (csOp.opcode && (attOp.opcode || iter.hasNext())) {
- if (! attOp.opcode) iter.next(attOp);
-
- if (csOp.opcode && attOp.opcode && csOp.chars >= attOp.chars &&
- attOp.lines > 0 && csOp.lines <= 0) {
- csOp.lines++;
- }
-
- Changeset._slicerZipperFunc(attOp, csOp, opOut, null);
- if (opOut.opcode) {
- assem.append(opOut);
- opOut.opcode = '';
- }
- }
- }
- }
-
- csOp.opcode = '-';
- csOp.chars = start;
-
- doCsOp();
-
- if (optEnd === undefined) {
- if (attOp.opcode) {
- assem.append(attOp);
- }
- while (iter.hasNext()) {
- iter.next(attOp);
- assem.append(attOp);
- }
- }
- else {
- csOp.opcode = '=';
- csOp.chars = optEnd - start;
- doCsOp();
- }
-
- return assem.toString();
-};
-
-Changeset.inverse = function(cs, lines, alines, pool) {
- // lines and alines are what the changeset is meant to apply to.
- // They may be arrays or objects with .get(i) and .length methods.
- // They include final newlines on lines.
- function lines_get(idx) {
- if (lines.get) {
- return lines.get(idx);
- }
- else {
- return lines[idx];
- }
- }
- function lines_length() {
- if ((typeof lines.length) == "number") {
- return lines.length;
- }
- else {
- return lines.length();
- }
- }
- function alines_get(idx) {
- if (alines.get) {
- return alines.get(idx);
- }
- else {
- return alines[idx];
- }
- }
- function alines_length() {
- if ((typeof alines.length) == "number") {
- return alines.length;
- }
- else {
- return alines.length();
- }
- }
-
- var curLine = 0;
- var curChar = 0;
- var curLineOpIter = null;
- var curLineOpIterLine;
- var curLineNextOp = Changeset.newOp('+');
-
- var unpacked = Changeset.unpack(cs);
- var csIter = Changeset.opIterator(unpacked.ops);
- var builder = Changeset.builder(unpacked.newLen);
-
- function consumeAttribRuns(numChars, func/*(len, attribs, endsLine)*/) {
-
- if ((! curLineOpIter) || (curLineOpIterLine != curLine)) {
- // create curLineOpIter and advance it to curChar
- curLineOpIter = Changeset.opIterator(alines_get(curLine));
- curLineOpIterLine = curLine;
- var indexIntoLine = 0;
- var done = false;
- while (! done) {
- curLineOpIter.next(curLineNextOp);
- if (indexIntoLine + curLineNextOp.chars >= curChar) {
- curLineNextOp.chars -= (curChar - indexIntoLine);
- done = true;
- }
- else {
- indexIntoLine += curLineNextOp.chars;
- }
- }
- }
-
- while (numChars > 0) {
- if ((! curLineNextOp.chars) && (! curLineOpIter.hasNext())) {
- curLine++;
- curChar = 0;
- curLineOpIterLine = curLine;
- curLineNextOp.chars = 0;
- curLineOpIter = Changeset.opIterator(alines_get(curLine));
- }
- if (! curLineNextOp.chars) {
- curLineOpIter.next(curLineNextOp);
- }
- var charsToUse = Math.min(numChars, curLineNextOp.chars);
- func(charsToUse, curLineNextOp.attribs,
- charsToUse == curLineNextOp.chars && curLineNextOp.lines > 0);
- numChars -= charsToUse;
- curLineNextOp.chars -= charsToUse;
- curChar += charsToUse;
- }
-
- if ((! curLineNextOp.chars) && (! curLineOpIter.hasNext())) {
- curLine++;
- curChar = 0;
- }
- }
-
- function skip(N, L) {
- if (L) {
- curLine += L;
- curChar = 0;
- }
- else {
- if (curLineOpIter && curLineOpIterLine == curLine) {
- consumeAttribRuns(N, function() {});
- }
- else {
- curChar += N;
- }
- }
- }
-
- function nextText(numChars) {
- var len = 0;
- var assem = Changeset.stringAssembler();
- var firstString = lines_get(curLine).substring(curChar);
- len += firstString.length;
- assem.append(firstString);
-
- var lineNum = curLine+1;
- while (len < numChars) {
- var nextString = lines_get(lineNum);
- len += nextString.length;
- assem.append(nextString);
- lineNum++;
- }
-
- return assem.toString().substring(0, numChars);
- }
-
- function cachedStrFunc(func) {
- var cache = {};
- return function(s) {
- if (! cache[s]) {
- cache[s] = func(s);
- }
- return cache[s];
- };
- }
-
- var attribKeys = [];
- var attribValues = [];
- while (csIter.hasNext()) {
- var csOp = csIter.next();
- if (csOp.opcode == '=') {
- if (csOp.attribs) {
- attribKeys.length = 0;
- attribValues.length = 0;
- Changeset.eachAttribNumber(csOp.attribs, function(n) {
- attribKeys.push(pool.getAttribKey(n));
- attribValues.push(pool.getAttribValue(n));
- });
- var undoBackToAttribs = cachedStrFunc(function(attribs) {
- var backAttribs = [];
- for(var i=0;i<attribKeys.length;i++) {
- var appliedKey = attribKeys[i];
- var appliedValue = attribValues[i];
- var oldValue = Changeset.attribsAttributeValue(attribs, appliedKey, pool);
- if (appliedValue != oldValue) {
- backAttribs.push([appliedKey, oldValue]);
- }
- }
- return Changeset.makeAttribsString('=', backAttribs, pool);
- });
- consumeAttribRuns(csOp.chars, function(len, attribs, endsLine) {
- builder.keep(len, endsLine ? 1 : 0, undoBackToAttribs(attribs));
- });
- }
- else {
- skip(csOp.chars, csOp.lines);
- builder.keep(csOp.chars, csOp.lines);
- }
- }
- else if (csOp.opcode == '+') {
- builder.remove(csOp.chars, csOp.lines);
- }
- else if (csOp.opcode == '-') {
- var textBank = nextText(csOp.chars);
- var textBankIndex = 0;
- consumeAttribRuns(csOp.chars, function(len, attribs, endsLine) {
- builder.insert(textBank.substr(textBankIndex, len), attribs);
- textBankIndex += len;
- });
- }
- }
-
- return Changeset.checkRep(builder.toString());
-};
diff --git a/etherpad/src/static/js/linestylefilter_client.js b/etherpad/src/static/js/linestylefilter_client.js
deleted file mode 100644
index df35c3c..0000000
--- a/etherpad/src/static/js/linestylefilter_client.js
+++ /dev/null
@@ -1,246 +0,0 @@
-// DO NOT EDIT THIS FILE, edit infrastructure/ace/www/linestylefilter.js
-
-/**
- * Copyright 2009 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS-IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// requires: easysync2.Changeset
-
-var linestylefilter = {};
-
-linestylefilter.ATTRIB_CLASSES = {
- 'bold':'tag:b',
- 'italic':'tag:i',
- 'underline':'tag:u',
- 'strikethrough':'tag:s'
-};
-
-linestylefilter.getAuthorClassName = function(author) {
- return "author-"+author.replace(/[^a-y0-9]/g, function(c) {
- if (c == ".") return "-";
- return 'z'+c.charCodeAt(0)+'z';
- });
-};
-
-// lineLength is without newline; aline includes newline,
-// but may be falsy if lineLength == 0
-linestylefilter.getLineStyleFilter = function(lineLength, aline,
- textAndClassFunc, apool) {
-
- if (lineLength == 0) return textAndClassFunc;
-
- var nextAfterAuthorColors = textAndClassFunc;
-
- var authorColorFunc = (function() {
- var lineEnd = lineLength;
- var curIndex = 0;
- var extraClasses;
- var leftInAuthor;
-
- function attribsToClasses(attribs) {
- var classes = '';
- Changeset.eachAttribNumber(attribs, function(n) {
- var key = apool.getAttribKey(n);
- if (key) {
- var value = apool.getAttribValue(n);
- if (value) {
- if (key == 'author') {
- classes += ' '+linestylefilter.getAuthorClassName(value);
- }
- else if (key == 'list') {
- classes += ' list:'+value;
- }
- else if (linestylefilter.ATTRIB_CLASSES[key]) {
- classes += ' '+linestylefilter.ATTRIB_CLASSES[key];
- }
- }
- }
- });
- return classes.substring(1);
- }
-
- var attributionIter = Changeset.opIterator(aline);
- var nextOp, nextOpClasses;
- function goNextOp() {
- nextOp = attributionIter.next();
- nextOpClasses = (nextOp.opcode && attribsToClasses(nextOp.attribs));
- }
- goNextOp();
- function nextClasses() {
- if (curIndex < lineEnd) {
- extraClasses = nextOpClasses;
- leftInAuthor = nextOp.chars;
- goNextOp();
- while (nextOp.opcode && nextOpClasses == extraClasses) {
- leftInAuthor += nextOp.chars;
- goNextOp();
- }
- }
- }
- nextClasses();
-
- return function(txt, cls) {
- while (txt.length > 0) {
- if (leftInAuthor <= 0) {
- // prevent infinite loop if something funny's going on
- return nextAfterAuthorColors(txt, cls);
- }
- var spanSize = txt.length;
- if (spanSize > leftInAuthor) {
- spanSize = leftInAuthor;
- }
- var curTxt = txt.substring(0, spanSize);
- txt = txt.substring(spanSize);
- nextAfterAuthorColors(curTxt, (cls&&cls+" ")+extraClasses);
- curIndex += spanSize;
- leftInAuthor -= spanSize;
- if (leftInAuthor == 0) {
- nextClasses();
- }
- }
- };
- })();
- return authorColorFunc;
-};
-
-linestylefilter.getAtSignSplitterFilter = function(lineText,
- textAndClassFunc) {
- var at = /@/g;
- at.lastIndex = 0;
- var splitPoints = null;
- var execResult;
- while ((execResult = at.exec(lineText))) {
- if (! splitPoints) {
- splitPoints = [];
- }
- splitPoints.push(execResult.index);
- }
-
- if (! splitPoints) return textAndClassFunc;
-
- return linestylefilter.textAndClassFuncSplitter(textAndClassFunc,
- splitPoints);
-};
-
-linestylefilter.REGEX_WORDCHAR = /[\u0030-\u0039\u0041-\u005A\u0061-\u007A\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u00FF\u0100-\u1FFF\u3040-\u9FFF\uF900-\uFDFF\uFE70-\uFEFE\uFF10-\uFF19\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFDC]/;
-linestylefilter.REGEX_URLCHAR = new RegExp('('+/[-:@a-zA-Z0-9_.,~%+\/\\?=&#;()$]/.source+'|'+linestylefilter.REGEX_WORDCHAR.source+')');
-linestylefilter.REGEX_URL = new RegExp(/(?:(?:https?|s?ftp|ftps|file|smb|afp|nfs|(x-)?man|gopher|txmt):\/\/|mailto:)/.source+linestylefilter.REGEX_URLCHAR.source+'*(?![:.,;])'+linestylefilter.REGEX_URLCHAR.source, 'g');
-
-linestylefilter.getURLFilter = function(lineText, textAndClassFunc) {
- linestylefilter.REGEX_URL.lastIndex = 0;
- var urls = null;
- var splitPoints = null;
- var execResult;
- while ((execResult = linestylefilter.REGEX_URL.exec(lineText))) {
- if (! urls) {
- urls = [];
- splitPoints = [];
- }
- var startIndex = execResult.index;
- var url = execResult[0];
- urls.push([startIndex, url]);
- splitPoints.push(startIndex, startIndex + url.length);
- }
-
- if (! urls) return textAndClassFunc;
-
- function urlForIndex(idx) {
- for(var k=0; k<urls.length; k++) {
- var u = urls[k];
- if (idx >= u[0] && idx < u[0]+u[1].length) {
- return u[1];
- }
- }
- return false;
- }
-
- var handleUrlsAfterSplit = (function() {
- var curIndex = 0;
- return function(txt, cls) {
- var txtlen = txt.length;
- var newCls = cls;
- var url = urlForIndex(curIndex);
- if (url) {
- newCls += " url:"+url;
- }
- textAndClassFunc(txt, newCls);
- curIndex += txtlen;
- };
- })();
-
- return linestylefilter.textAndClassFuncSplitter(handleUrlsAfterSplit,
- splitPoints);
-};
-
-linestylefilter.textAndClassFuncSplitter = function(func, splitPointsOpt) {
- var nextPointIndex = 0;
- var idx = 0;
-
- // don't split at 0
- while (splitPointsOpt &&
- nextPointIndex < splitPointsOpt.length &&
- splitPointsOpt[nextPointIndex] == 0) {
- nextPointIndex++;
- }
-
- function spanHandler(txt, cls) {
- if ((! splitPointsOpt) || nextPointIndex >= splitPointsOpt.length) {
- func(txt, cls);
- idx += txt.length;
- }
- else {
- var splitPoints = splitPointsOpt;
- var pointLocInSpan = splitPoints[nextPointIndex] - idx;
- var txtlen = txt.length;
- if (pointLocInSpan >= txtlen) {
- func(txt, cls);
- idx += txt.length;
- if (pointLocInSpan == txtlen) {
- nextPointIndex++;
- }
- }
- else {
- if (pointLocInSpan > 0) {
- func(txt.substring(0, pointLocInSpan), cls);
- idx += pointLocInSpan;
- }
- nextPointIndex++;
- // recurse
- spanHandler(txt.substring(pointLocInSpan), cls);
- }
- }
- }
- return spanHandler;
-};
-
-// domLineObj is like that returned by domline.createDomLine
-linestylefilter.populateDomLine = function(textLine, aline, apool,
- domLineObj) {
- // remove final newline from text if any
- var text = textLine;
- if (text.slice(-1) == '\n') {
- text = text.substring(0, text.length-1);
- }
-
- function textAndClassFunc(tokenText, tokenClass) {
- domLineObj.appendSpan(tokenText, tokenClass);
- }
-
- var func = textAndClassFunc;
- func = linestylefilter.getURLFilter(text, func);
- func = linestylefilter.getLineStyleFilter(text.length, aline,
- func, apool);
- func(text, '');
-};