diff options
Diffstat (limited to 'trunk/infrastructure/rhino1_7R1/xmlimplsrc/org/mozilla/javascript/xmlimpl/XML.java')
| -rw-r--r-- | trunk/infrastructure/rhino1_7R1/xmlimplsrc/org/mozilla/javascript/xmlimpl/XML.java | 734 |
1 files changed, 0 insertions, 734 deletions
diff --git a/trunk/infrastructure/rhino1_7R1/xmlimplsrc/org/mozilla/javascript/xmlimpl/XML.java b/trunk/infrastructure/rhino1_7R1/xmlimplsrc/org/mozilla/javascript/xmlimpl/XML.java deleted file mode 100644 index 090ae1a..0000000 --- a/trunk/infrastructure/rhino1_7R1/xmlimplsrc/org/mozilla/javascript/xmlimpl/XML.java +++ /dev/null @@ -1,734 +0,0 @@ -/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- - * - * ***** BEGIN LICENSE BLOCK ***** - * Version: MPL 1.1/GPL 2.0 - * - * The contents of this file are subject to the Mozilla Public License Version - * 1.1 (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.mozilla.org/MPL/ - * - * Software distributed under the License is distributed on an "AS IS" basis, - * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License - * for the specific language governing rights and limitations under the - * License. - * - * The Original Code is Rhino code, released - * May 6, 1999. - * - * The Initial Developer of the Original Code is - * Netscape Communications Corporation. - * Portions created by the Initial Developer are Copyright (C) 1997-2000 - * the Initial Developer. All Rights Reserved. - * - * Contributor(s): - * Ethan Hugg - * Terry Lucas - * Milen Nankov - * David P. Caldwell <inonit@inonit.com> - * - * Alternatively, the contents of this file may be used under the terms of - * the GNU General Public License Version 2 or later (the "GPL"), in which - * case the provisions of the GPL are applicable instead of those above. If - * you wish to allow use of your version of this file only under the terms of - * the GPL and not to allow others to use your version of this file under the - * MPL, indicate your decision by deleting the provisions above and replacing - * them with the notice and other provisions required by the GPL. If you do - * not delete the provisions above, a recipient may use your version of this - * file under either the MPL or the GPL. - * - * ***** END LICENSE BLOCK ***** */ - -package org.mozilla.javascript.xmlimpl; - -import org.mozilla.javascript.*; -import org.mozilla.javascript.xml.XMLObject; - -class XML extends XMLObjectImpl { - static final long serialVersionUID = -630969919086449092L; - - private XmlNode node; - - XML(XMLLibImpl lib, Scriptable scope, XMLObject prototype, XmlNode node) { - super(lib, scope, prototype); - initialize(node); - } - - void initialize(XmlNode node) { - this.node = node; - this.node.setXml(this); - } - - final XML getXML() { - return this; - } - - void replaceWith(XML value) { - // We use the underlying document structure if the node is not - // "standalone," but we need to just replace the XmlNode instance - // otherwise - if (this.node.parent() != null || false) { - this.node.replaceWith(value.node); - } else { - this.initialize(value.node); - } - } - - /** @deprecated I would love to encapsulate this somehow. */ - XML makeXmlFromString(XMLName name, String value) { - try { - return newTextElementXML(this.node, name.toQname(), value.toString()); - } catch(Exception e) { - throw ScriptRuntime.typeError(e.getMessage()); - } - } - - /** @deprecated Rename this, at the very least. But it's not clear it's even necessary */ - XmlNode getAnnotation() { - return node; - } - - // - // Methods from ScriptableObject - // - - // TODO Either cross-reference this next comment with the specification or delete it and change the behavior - // The comment: XML[0] should return this, all other indexes are Undefined - public Object get(int index, Scriptable start) { - if (index == 0) { - return this; - } else { - return Scriptable.NOT_FOUND; - } - } - - public boolean has(int index, Scriptable start) { - return (index == 0); - } - - public void put(int index, Scriptable start, Object value) { - // TODO Clarify the following comment and add a reference to the spec - // The comment: Spec says assignment to indexed XML object should return type error - throw ScriptRuntime.typeError("Assignment to indexed XML is not allowed"); - } - - public Object[] getIds() { - if (isPrototype()) { - return new Object[0]; - } else { - return new Object[] { new Integer(0) }; - } - } - - // TODO This is how I found it but I am not sure it makes sense - public void delete(int index) { - if (index == 0) { - this.remove(); - } - } - - // - // Methods from XMLObjectImpl - // - - boolean hasXMLProperty(XMLName xmlName) { - if (isPrototype()) { - return getMethod(xmlName.localName()) != NOT_FOUND; - } else { - return (getPropertyList(xmlName).length() > 0) || (getMethod(xmlName.localName()) != NOT_FOUND); - } - } - - Object getXMLProperty(XMLName xmlName) { - if (isPrototype()) { - return getMethod(xmlName.localName()); - } else { - return getPropertyList(xmlName); - } - } - - // - // - // Methods that merit further review - // - // - - XmlNode.QName getNodeQname() { - return this.node.getQname(); - } - - XML[] getChildren() { - if (!isElement()) return null; - XmlNode[] children = this.node.getMatchingChildren(XmlNode.Filter.TRUE); - XML[] rv = new XML[children.length]; - for (int i=0; i<rv.length; i++) { - rv[i] = toXML(children[i]); - } - return rv; - } - - XML[] getAttributes() { - XmlNode[] attributes = this.node.getAttributes(); - XML[] rv = new XML[attributes.length]; - for (int i=0; i<rv.length; i++) { - rv[i] = toXML(attributes[i]); - } - return rv; - } - - // Used only by XML, XMLList - XMLList getPropertyList(XMLName name) { - return name.getMyValueOn(this); - } - - void deleteXMLProperty(XMLName name) { - XMLList list = getPropertyList(name); - for (int i=0; i<list.length(); i++) { - list.item(i).node.deleteMe(); - } - } - - void putXMLProperty(XMLName xmlName, Object value) { - if (isPrototype()) { - // TODO Is this really a no-op? Check the spec to be sure - } else { - xmlName.setMyValueOn(this, value); - } - } - - boolean hasOwnProperty(XMLName xmlName) { - boolean hasProperty = false; - - if (isPrototype()) { - String property = xmlName.localName(); - hasProperty = (0 != findPrototypeId(property)); - } else { - hasProperty = (getPropertyList(xmlName).length() > 0); - } - - return hasProperty; - } - - protected Object jsConstructor(Context cx, boolean inNewExpr, Object[] args) { - if (args.length == 0 || args[0] == null || args[0] == Undefined.instance) { - args = new Object[] { "" }; - } - // ECMA 13.4.2 does not appear to specify what to do if multiple arguments are sent. - XML toXml = ecmaToXml(args[0]); - if (inNewExpr) { - return toXml.copy(); - } else { - return toXml; - } - } - - // See ECMA 357, 11_2_2_1, Semantics, 3_f. - public Scriptable getExtraMethodSource(Context cx) { - if (hasSimpleContent()) { - String src = toString(); - return ScriptRuntime.toObjectOrNull(cx, src); - } - return null; - } - - // - // TODO Miscellaneous methods not yet grouped - // - - void removeChild(int index) { - this.node.removeChild(index); - } - - void normalize() { - this.node.normalize(); - } - - private XML toXML(XmlNode node) { - if (node.getXml() == null) { - node.setXml(newXML(node)); - } - return node.getXml(); - } - - void setAttribute(XMLName xmlName, Object value) { - if (!isElement()) throw new IllegalStateException("Can only set attributes on elements."); - // TODO Is this legal, but just not "supported"? If so, support it. - if (xmlName.uri() == null && xmlName.localName().equals("*")) { - throw ScriptRuntime.typeError("@* assignment not supported."); - } - this.node.setAttribute(xmlName.toQname(), ScriptRuntime.toString(value)); - } - - void remove() { - this.node.deleteMe(); - } - - void addMatches(XMLList rv, XMLName name) { - name.addMatches(rv, this); - } - - XMLList elements(XMLName name) { - XMLList rv = newXMLList(); - rv.setTargets(this, name.toQname()); - // TODO Should have an XMLNode.Filter implementation based on XMLName - XmlNode[] elements = this.node.getMatchingChildren(XmlNode.Filter.ELEMENT); - for (int i=0; i<elements.length; i++) { - if (name.matches( toXML(elements[i]) )) { - rv.addToList( toXML(elements[i]) ); - } - } - return rv; - } - - XMLList child(XMLName xmlName) { - // TODO Right now I think this method would allow child( "@xxx" ) to return the xxx attribute, which is wrong - - XMLList rv = newXMLList(); - - // TODO Should this also match processing instructions? If so, we have to change the filter and also the XMLName - // class to add an acceptsProcessingInstruction() method - - XmlNode[] elements = this.node.getMatchingChildren(XmlNode.Filter.ELEMENT); - for (int i=0; i<elements.length; i++) { - if (xmlName.matchesElement(elements[i].getQname())) { - rv.addToList( toXML(elements[i]) ); - } - } - rv.setTargets(this, xmlName.toQname()); - return rv; - } - - XML replace(XMLName xmlName, Object xml) { - putXMLProperty(xmlName, xml); - return this; - } - - XMLList children() { - XMLList rv = newXMLList(); - XMLName all = XMLName.formStar(); - rv.setTargets(this, all.toQname()); - XmlNode[] children = this.node.getMatchingChildren(XmlNode.Filter.TRUE); - for (int i=0; i<children.length; i++) { - rv.addToList( toXML(children[i]) ); - } - return rv; - } - - XMLList child(int index) { - // ECMA357 13.4.4.6 (numeric case) - XMLList result = newXMLList(); - result.setTargets(this, null); - if (index >= 0 && index < this.node.getChildCount()) { - result.addToList(getXmlChild(index)); - } - return result; - } - - XML getXmlChild(int index) { - XmlNode child = this.node.getChild(index); - if (child.getXml() == null) { - child.setXml(newXML(child)); - } - return child.getXml(); - } - - int childIndex() { - return this.node.getChildIndex(); - } - - boolean contains(Object xml) { - if (xml instanceof XML) { - return equivalentXml(xml); - } else { - return false; - } - } - - // Method overriding XMLObjectImpl - boolean equivalentXml(Object target) { - boolean result = false; - - if (target instanceof XML) { - // TODO This is a horrifyingly inefficient way to do this so we should make it better. It may also not work. - return this.node.toXmlString(getProcessor()).equals( ((XML)target).node.toXmlString(getProcessor()) ); - } else if (target instanceof XMLList) { - // TODO Is this right? Check the spec ... - XMLList otherList = (XMLList) target; - - if (otherList.length() == 1) { - result = equivalentXml(otherList.getXML()); - } - } else if (hasSimpleContent()) { - String otherStr = ScriptRuntime.toString(target); - - result = toString().equals(otherStr); - } - - return result; - } - - XMLObjectImpl copy() { - return newXML( this.node.copy() ); - } - - boolean hasSimpleContent() { - if (isComment() || isProcessingInstruction()) return false; - if (isText() || this.node.isAttributeType()) return true; - return !this.node.hasChildElement(); - } - - boolean hasComplexContent() { - return !hasSimpleContent(); - } - - // TODO Cross-reference comment below with spec - // Comment is: Length of an XML object is always 1, it's a list of XML objects of size 1. - int length() { - return 1; - } - - // TODO it is not clear what this method was for ... - boolean is(XML other) { - return this.node.isSameNode(other.node); - } - - Object nodeKind() { - return ecmaClass(); - } - - Object parent() { - XmlNode parent = this.node.parent(); - if (parent == null) return null; - return newXML(this.node.parent()); - } - - boolean propertyIsEnumerable(Object name) - { - boolean result; - if (name instanceof Integer) { - result = (((Integer)name).intValue() == 0); - } else if (name instanceof Number) { - double x = ((Number)name).doubleValue(); - // Check that number is positive 0 - result = (x == 0.0 && 1.0 / x > 0); - } else { - result = ScriptRuntime.toString(name).equals("0"); - } - return result; - } - - Object valueOf() { - return this; - } - - // - // Selection of children - // - - XMLList comments() { - XMLList rv = newXMLList(); - this.node.addMatchingChildren(rv, XmlNode.Filter.COMMENT); - return rv; - } - - XMLList text() { - XMLList rv = newXMLList(); - this.node.addMatchingChildren(rv, XmlNode.Filter.TEXT); - return rv; - } - - XMLList processingInstructions(XMLName xmlName) { - XMLList rv = newXMLList(); - this.node.addMatchingChildren(rv, XmlNode.Filter.PROCESSING_INSTRUCTION(xmlName)); - return rv; - } - - // - // Methods relating to modification of child nodes - // - - // We create all the nodes we are inserting before doing the insert to - // avoid nasty cycles caused by mutability of these objects. For example, - // what if the toString() method of value modifies the XML object we were - // going to insert into? insertAfter might get confused about where to - // insert. This actually came up with SpiderMonkey, leading to a (very) - // long discussion. See bug #354145. - private XmlNode[] getNodesForInsert(Object value) { - if (value instanceof XML) { - return new XmlNode[] { ((XML)value).node }; - } else if (value instanceof XMLList) { - XMLList list = (XMLList)value; - XmlNode[] rv = new XmlNode[list.length()]; - for (int i=0; i<list.length(); i++) { - rv[i] = list.item(i).node; - } - return rv; - } else { - return new XmlNode[] { - XmlNode.createText(getProcessor(), ScriptRuntime.toString(value)) - }; - } - } - - XML replace(int index, Object xml) { - XMLList xlChildToReplace = child(index); - if (xlChildToReplace.length() > 0) { - // One exists an that index - XML childToReplace = xlChildToReplace.item(0); - insertChildAfter(childToReplace, xml); - removeChild(index); - } - return this; - } - - XML prependChild(Object xml) { - if (this.node.isParentType()) { - this.node.insertChildrenAt(0, getNodesForInsert(xml)); - } - return this; - } - - XML appendChild(Object xml) { - if (this.node.isParentType()) { - XmlNode[] nodes = getNodesForInsert(xml); - this.node.insertChildrenAt(this.node.getChildCount(), nodes); - } - return this; - } - - private int getChildIndexOf(XML child) { - for (int i=0; i<this.node.getChildCount(); i++) { - if (this.node.getChild(i).isSameNode(child.node)) { - return i; - } - } - return -1; - } - - XML insertChildBefore(XML child, Object xml) { - if (child == null) { - // Spec says inserting before nothing is the same as appending - appendChild(xml); - } else { - XmlNode[] toInsert = getNodesForInsert(xml); - int index = getChildIndexOf(child); - if (index != -1) { - this.node.insertChildrenAt(index, toInsert); - } - } - - return this; - } - - XML insertChildAfter(XML child, Object xml) { - if (child == null) { - // Spec says inserting after nothing is the same as prepending - prependChild(xml); - } else { - XmlNode[] toInsert = getNodesForInsert(xml); - int index = getChildIndexOf(child); - if (index != -1) { - this.node.insertChildrenAt(index+1, toInsert); - } - } - - return this; - } - - XML setChildren(Object xml) { - // TODO Have not carefully considered the spec but it seems to call for this - if (!isElement()) return this; - - while(this.node.getChildCount() > 0) { - this.node.removeChild(0); - } - XmlNode[] toInsert = getNodesForInsert(xml); - // append new children - this.node.insertChildrenAt(0, toInsert); - - return this; - } - - // - // Name and namespace-related methods - // - - private void addInScopeNamespace(Namespace ns) { - if (!isElement()) { - return; - } - // See ECMA357 9.1.1.13 - // in this implementation null prefix means ECMA undefined - if (ns.prefix() != null) { - if (ns.prefix().length() == 0 && ns.uri().length() == 0) { - return; - } - if (node.getQname().getNamespace().getPrefix().equals(ns.prefix())) { - node.invalidateNamespacePrefix(); - } - node.declareNamespace(ns.prefix(), ns.uri()); - } else { - return; - } - } - - Namespace[] inScopeNamespaces() { - XmlNode.Namespace[] inScope = this.node.getInScopeNamespaces(); - return createNamespaces(inScope); - } - - private XmlNode.Namespace adapt(Namespace ns) { - if (ns.prefix() == null) { - return XmlNode.Namespace.create(ns.uri()); - } else { - return XmlNode.Namespace.create(ns.prefix(), ns.uri()); - } - } - - XML removeNamespace(Namespace ns) { - if (!isElement()) return this; - this.node.removeNamespace(adapt(ns)); - return this; - } - - XML addNamespace(Namespace ns) { - addInScopeNamespace(ns); - return this; - } - - QName name() { - if (isText() || isComment()) return null; - if (isProcessingInstruction()) return newQName("", this.node.getQname().getLocalName(), null); - return newQName(node.getQname()); - } - - Namespace[] namespaceDeclarations() { - XmlNode.Namespace[] declarations = node.getNamespaceDeclarations(); - return createNamespaces(declarations); - } - - Namespace namespace(String prefix) { - if (prefix == null) { - return createNamespace( this.node.getNamespaceDeclaration() ); - } else { - return createNamespace( this.node.getNamespaceDeclaration(prefix) ); - } - } - - String localName() { - if (name() == null) return null; - return name().localName(); - } - - void setLocalName(String localName) { - // ECMA357 13.4.4.34 - if (isText() || isComment()) return; - this.node.setLocalName(localName); - } - - void setName(QName name) { - // See ECMA357 13.4.4.35 - if (isText() || isComment()) return; - if (isProcessingInstruction()) { - // Spec says set the name URI to empty string and then set the [[Name]] property, but I understand this to do the same - // thing, unless we allow colons in processing instruction targets, which I think we do not. - this.node.setLocalName(name.localName()); - return; - } - node.renameNode(name.getDelegate()); - } - - void setNamespace(Namespace ns) { - // See ECMA357 13.4.4.36 - if (isText() || isComment() || isProcessingInstruction()) return; - setName(newQName(ns.uri(), localName(), ns.prefix())); - } - - final String ecmaClass() { - // See ECMA357 9.1 - - // TODO See ECMA357 9.1.1 last paragraph for what defaults should be - - if (node.isTextType()) { - return "text"; - } else if (node.isAttributeType()) { - return "attribute"; - } else if (node.isCommentType()) { - return "comment"; - } else if (node.isProcessingInstructionType()) { - return "processing-instruction"; - } else if (node.isElementType()) { - return "element"; - } else { - throw new RuntimeException("Unrecognized type: " + node); - } - } - - public String getClassName() { - // TODO: This appears to confuse the interpreter if we use the "real" class property from ECMA. Otherwise this code - // would be: - // return ecmaClass(); - return "XML"; - } - - private String ecmaValue() { - return node.ecmaValue(); - } - - private String ecmaToString() { - // See ECMA357 10.1.1 - if (isAttribute() || isText()) { - return ecmaValue(); - } - if (this.hasSimpleContent()) { - StringBuffer rv = new StringBuffer(); - for (int i=0; i < this.node.getChildCount(); i++) { - XmlNode child = this.node.getChild(i); - if (!child.isProcessingInstructionType() && - !child.isCommentType()) - { - // TODO: Probably inefficient; taking clean non-optimized - // solution for now - XML x = new XML(getLib(), getParentScope(), - (XMLObject)getPrototype(), child); - rv.append(x.toString()); - } - } - return rv.toString(); - } - return toXMLString(); - } - - public String toString() { - return ecmaToString(); - } - - String toXMLString() { - return this.node.ecmaToXMLString(getProcessor()); - } - - final boolean isAttribute() { - return node.isAttributeType(); - } - - final boolean isComment() { - return node.isCommentType(); - } - - final boolean isText() { - return node.isTextType(); - } - - final boolean isElement() { - return node.isElementType(); - } - - final boolean isProcessingInstruction() { - return node.isProcessingInstructionType(); - } - - // Support experimental Java interface - org.w3c.dom.Node toDomNode() { - return node.toDomNode(); - } -} |