RetroZilla/extensions/transformiix/source/xml/dom/standalone/Document.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 TransforMiiX XSLT processor code.
*
* The Initial Developer of the Original Code is
* The MITRE Corporation.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
// Tom Kneeland (3/29/99)
//
// Implementation of the Document Object Model Level 1 Core
// Implementation of the Document class
//
// Modification History:
// Who When What
// TK 03/29/99 Created
// LF 08/06/1999 Removed Default argument initializer from
// Document() constructor
// LF 08/06/1999 fixed typo: defalut to default
//
#include "dom.h"
//
//Construct a Document. Currently no parameters are required, but the the
//node constructor is called to identify the node type.
//
Document::Document() : NodeDefinition(Node::DOCUMENT_NODE, EmptyString(), NULL)
{
mIDMap.Init(0);
documentElement = nsnull;
}
//
//Return the one and only element for this document
//
Element* Document::getDocumentElement()
{
return documentElement;
}
//
//Construct an empty document fragment.
// NOTE: The caller is responsible for cleaning up this fragment's memory
// when it is no longer needed.
//
Node* Document::createDocumentFragment()
{
return new DocumentFragment(this);
}
//
//Construct an element with the specified tag name.
// NOTE: The caller is responsible for cleaning up the element's menory
//
Element* Document::createElement(const nsAString& tagName)
{
return new Element(tagName, this);
}
Element* Document::createElementNS(const nsAString& aNamespaceURI,
const nsAString& aTagName)
{
return new Element(aNamespaceURI, aTagName, this);
}
//
//Construct an attribute with the specified name
//
Attr* Document::createAttribute(const nsAString& name)
{
return new Attr(name, this);
}
Attr* Document::createAttributeNS(const nsAString& aNamespaceURI,
const nsAString& aName)
{
return new Attr(aNamespaceURI, aName, this);
}
//
//Construct a text node with the given data
//
Node* Document::createTextNode(const nsAString& theData)
{
return new NodeDefinition(Node::TEXT_NODE, theData, this);
}
//
//Construct a comment node with the given data
//
Node* Document::createComment(const nsAString& theData)
{
return new NodeDefinition(Node::COMMENT_NODE, theData, this);
}
//
//Construct a ProcessingInstruction node with the given targe and data.
//
ProcessingInstruction*
Document::createProcessingInstruction(const nsAString& target,
const nsAString& data)
{
return new ProcessingInstruction(target, data, this);
}
//
//Return an Element by ID, introduced by DOM2
//
DHASH_WRAPPER(txIDMap, txIDEntry, nsAString&)
Element* Document::getElementById(const nsAString& aID)
{
txIDEntry* entry = mIDMap.GetEntry(aID);
if (entry)
return entry->mElement;
return nsnull;
}
/**
* private setter for element ID
*/
PRBool
Document::setElementID(const nsAString& aID, Element* aElement)
{
txIDEntry* id = mIDMap.AddEntry(aID);
// make sure IDs are unique
if (id->mElement) {
return PR_FALSE;
}
id->mElement = aElement;
id->mElement->setIDValue(aID);
return PR_TRUE;
}
Node* Document::appendChild(Node* newChild)
{
unsigned short nodeType = newChild->getNodeType();
// Convert to a NodeDefinition Pointer
NodeDefinition* pNewChild = (NodeDefinition*)newChild;
if (pNewChild->parentNode == this)
{
pNewChild = implRemoveChild(pNewChild);
if (nodeType == Node::ELEMENT_NODE)
documentElement = nsnull;
}
switch (nodeType)
{
case Node::PROCESSING_INSTRUCTION_NODE :
case Node::COMMENT_NODE :
case Node::DOCUMENT_TYPE_NODE :
return implAppendChild(pNewChild);
case Node::ELEMENT_NODE :
if (!documentElement)
{
Node* returnVal = implAppendChild(pNewChild);
documentElement = (Element*)pNewChild;
return returnVal;
}
default:
break;
}
return nsnull;
}
nsresult Document::getBaseURI(nsAString& aURI)
{
aURI = documentBaseURI;
return NS_OK;
}