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-rw-r--r--infrastructure/ace/www/spanlist.js279
1 files changed, 0 insertions, 279 deletions
diff --git a/infrastructure/ace/www/spanlist.js b/infrastructure/ace/www/spanlist.js
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index 756a411..0000000
--- a/infrastructure/ace/www/spanlist.js
+++ /dev/null
@@ -1,279 +0,0 @@
-/**
- * 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 newSpanList() {
- function encodeInt(num) {
- num = num & 0x1fffffff;
- // neither 16-bit char can be 0x0001 or mistakable for the other
- return String.fromCharCode(((num >> 15) & 0x3fff) | 0x4000) +
- String.fromCharCode((num & 0x7fff) | 0x8000);
- }
- function decodeInt(str) {
- return ((str.charCodeAt(0) & 0x3fff) << 15) | (str.charCodeAt(1) & 0x7fff);
- }
- function indexOfInt(str, n) {
- var result = str.indexOf(encodeInt(n));
- if (result < 0) return result;
- return result/2;
- }
- function intAt(str, i) {
- var idx = i*2;
- return decodeInt(str.substr(idx, 2));
- }
- function numInts(str) { return str.length/2; }
- function subrange(str, start, end) {
- return str.substring(start*2, end*2);
- }
- var nil = "\1\1";
- var repeatNilCache = [''];
- function repeatNil(times) {
- while (times >= repeatNilCache.length) {
- repeatNilCache.push(repeatNilCache[repeatNilCache.length-1] + nil);
- }
- return repeatNilCache[times];
- }
- function indexOfNonnil(str, start) {
- startIndex = (start || 0)*2;
- var nonnilChar = /[^\1]/g;
- nonnilChar.lastIndex = startIndex;
- var result = nonnilChar.exec(str);
- if (! result) {
- return str.length/2;
- }
- return (nonnilChar.lastIndex - 1)/2;
- }
- function intSplice(str, start, delCount, newStr) {
- return str.substring(0, start*2) + newStr + str.substring((start+delCount)*2);
- }
-
- function entryWidth(entry) {
- if ((typeof entry) == "number") return entry;
- return (entry && entry.width) || 1;
- }
-
- // "func" is a function over 0..(numItems-1) that is monotonically
- // "increasing" with index (false, then true). Finds the boundary
- // between false and true, a number between 0 and numItems inclusive.
- function binarySearch(numItems, func) {
- if (numItems < 1) return 0;
- if (func(0)) return 0;
- if (! func(numItems-1)) return numItems;
- var low = 0; // func(low) is always false
- var high = numItems-1; // func(high) is always true
- while ((high - low) > 1) {
- var x = Math.floor((low+high)/2); // x != low, x != high
- if (func(x)) high = x;
- else low = x;
- }
- return high;
- }
-
- var NEXT_ID = 1;
- var entryList = ""; // e.g. 2, 4, 3, 6
- var charList = ""; // e.g. nil, nil, nil, 2, nil, 4, nil, nil, nil, nil, 3, 6
- var keyToId = {};
- var idToKey = {};
- var idToEntry = {};
- var idToNextId = {};
- var idToPrevId = {};
- var length = 0;
- var totalWidth = 0;
-
- function idAtIndex(i) { return intAt(entryList, i); }
- function indexOfId(id) { return indexOfInt(entryList, id); }
- function offsetOfId(id) {
- if (! id) return totalWidth;
- var entry = idToEntry[id];
- var wid = entryWidth(entry);
- var lastCharLoc = indexOfInt(charList, id);
- return lastCharLoc + 1 - wid;
- }
- function idAtOffset(n) {
- return intAt(charList, indexOfNonnil(charList, n));
- }
-
- var self = {
- length: function() { return length; },
- totalWidth: function() { return totalWidth; },
- next: function (entryOrKey) {
- if ((typeof entryOrKey) == "object") {
- var entry = entryOrKey;
- var id = idToNextId[keyToId[entry.key]];
- if (id) return idToEntry[id];
- return null;
- }
- else {
- var k = entryOrKey;
- var id = idToNextId[keyToId[k]];
- if (id) return idToKey[id];
- return null;
- }
- },
- prev: function (entryOrKey) {
- if ((typeof entryOrKey) == "object") {
- var entry = entryOrKey;
- var id = idToPrevId[keyToId[entry.key]];
- if (id) return idToEntry[id];
- return null;
- }
- else {
- var k = entryOrKey;
- var id = idToPrevId[keyToId[k]];
- if (id) return idToKey[id];
- return null;
- }
- },
- atKey: function (k) { return idToEntry[keyToId[k]]; },
- atIndex: function (i) { return idToEntry[idAtIndex(i)]; },
- keyAtIndex: function(i) { return idToKey[idAtIndex(i)]; },
- keyAtOffset: function(n) { return idToKey[idAtOffset(n)]; },
- containsKey: function (k) { return !! keyToId[k]; },
- indexOfKey: function (k) { return indexOfId(keyToId[k]); },
- indexOfEntry: function (entry) { return self.indexOfKey(entry.key); },
- setKeyWidth: function (k, width) {
- var id = keyToId[k];
- var charStart = offsetOfId(id);
- var oldWidth = entryWidth(idToEntry[id]);
- var toDelete = 0;
- var toInsert = 0;
- if (width < oldWidth) toDelete = oldWidth - width;
- else if (width > oldWidth) toInsert = width - oldWidth;
- charList = intSplice(charList, charStart, toDelete, repeatNil(toInsert));
- totalWidth += (width - oldWidth);
- },
- setEntryWidth: function (entry, width) {
- return self.setKeyWidth(entry.key, width);
- },
- getEntryWidth: function (entry) {
- return entryWidth(entry);
- },
- getKeyWidth: function (k) {
- return entryWidth(idToEntry[keyToId[k]]);
- },
- offsetOfKey: function(k) { return offsetOfId(keyToId[k]); },
- offsetOfEntry: function(entry) { return self.offsetOfKey(entry.key); },
- offsetOfIndex: function (i) {
- if (i < 0) return 0;
- else if (i >= length) {
- return totalWidth;
- }
- else {
- return offsetOfId(idAtIndex(i));
- }
- },
- atOffset: function (n) {
- return idToEntry[idAtOffset(n)];
- },
- indexOfOffset: function (n) {
- if (n < 0) return 0;
- else if (n >= totalWidth) return length;
- return indexOfId(idAtOffset(n));
- },
- search: function(entryFunc) {
- return binarySearch(length, function (i) {
- return entryFunc(idToEntry[idAtIndex(i)]);
- });
- },
- push: function(entry, optKey) {
- self.splice(length, 0, [entry], (optKey && [optKey]));
- },
- // entries can be objects with a 'key' property, possibly a 'width' property,
- // and any other properties; OR they can be just a width number, for an
- // ultra-light-weight representation. In the latter case the key array is
- // used to get the keys. Some functions become useless with this usage, i.e.
- // the ones that use an entry for identity.
- splice: function (start, deleteCount, newEntryArray, optKeyArray) {
- var charStart = self.offsetOfIndex(start);
- var charsToDelete = 0;
- var idBefore = ((start == 0) ? null : intAt(entryList, start-1));
- // idAfter is mutated into id of node following deleted nodes
- var idAfter = ((start == length) ? null : (idBefore ? idToNextId[idBefore] :
- intAt(entryList, start)));
- if (deleteCount > 0) {
- var deleteId = idAfter;
- for(var i=0;i<deleteCount;i++) {
- var nextId = idToNextId[deleteId];
- var entry = idToEntry[deleteId];
- var wid = entryWidth(entry);
- delete keyToId[idToKey[deleteId]];
- delete idToKey[deleteId];
- delete idToEntry[deleteId];
- delete idToNextId[deleteId];
- delete idToPrevId[deleteId];
- length--;
- totalWidth -= wid;
- charsToDelete += wid;
- deleteId = nextId;
- }
- idAfter = (deleteId || null);
- }
- var newChars = [];
- var newIds = [];
- var prevId = idBefore;
- if (newEntryArray && newEntryArray.length > 0) {
- for(var i=0,n=newEntryArray.length; i<n; i++) {
- var entry = newEntryArray[i];
- var newId = (NEXT_ID++);
- var encId = encodeInt(newId);
- newIds.push(encId);
- var wid = entryWidth(entry);
- newChars.push(repeatNil(wid-1), encId);
- var key = (optKeyArray ? optKeyArray[i] : entry.key);
- keyToId[key] = newId;
- idToKey[newId] = key;
- idToEntry[newId] = entry;
- if (prevId) {
- idToNextId[prevId] = newId;
- idToPrevId[newId] = prevId;
- }
- prevId = newId;
- length++;
- totalWidth += wid;
- }
- if (prevId && idAfter) {
- idToNextId[prevId] = idAfter;
- idToPrevId[idAfter] = prevId;
- }
- }
- else {
- if (idBefore && idAfter) {
- idToNextId[idBefore] = idAfter;
- idToPrevId[idAfter] = idBefore;
- }
- else if (idBefore) delete idToNextId[idBefore];
- else if (idAfter) delete idToPrevId[idAfter];
- }
- entryList = intSplice(entryList, start, deleteCount, newIds.join(''));
- charList = intSplice(charList, charStart, charsToDelete, newChars.join(''));
-
- if (length > 0) {
- // checkrep
- if (idToPrevId[idAtIndex(0)]) console.error("a");
- if (idToNextId[idAtIndex(length-1)]) console.error("b");
- for(var i=0;i<length-1;i++) {
- if (idToNextId[idAtIndex(i)] != idAtIndex(i+1)) console.error("c"+i);
- }
- for(var i=1;i<length;i++) {
- if (idToPrevId[idAtIndex(i)] != idAtIndex(i-1)) console.error("d"+i);
- }
- }
- }
- };
-
- return self;
-}
-