150 lines
3.5 KiB
C++
150 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* (C) Copyright The MITRE Corporation 1999 All rights reserved.
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* The program provided "as is" without any warranty express or
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* implied, including the warranty of non-infringement and the implied
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* warranties of merchantibility and fitness for a particular purpose.
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* The Copyright owner will not be liable for any damages suffered by
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* you as a result of using the Program. In no event will the Copyright
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* owner be liable for any special, indirect or consequential damages or
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* lost profits even if the Copyright owner has been advised of the
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* possibility of their occurrence.
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*
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* Please see release.txt distributed with this file for more information.
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*
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*/
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// Tom Kneeland (3/29/99)
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//
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// Implementation of the Document Object Model Level 1 Core
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// Implementation of the NamedNodeMap class
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//
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#include "dom.h"
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NamedNodeMap::NamedNodeMap()
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{
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}
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NamedNodeMap::~NamedNodeMap()
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{
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}
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Node* NamedNodeMap::getNamedItem(const String& name)
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{
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ListItem* pSearchItem = findListItemByName(name);
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if (pSearchItem)
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return pSearchItem->node;
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else
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return NULL;
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}
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Node* NamedNodeMap::setNamedItem(Node* arg)
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{
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//Since the DOM does not specify any ording for the NamedNodeMap, just
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//try and remove the new node (arg). If successful, return a pointer to
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//the removed item. Reguardless of wheter the node already existed or not,
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//insert the new node at the end of the list.
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Node* pReplacedNode = removeNamedItem(arg->getNodeName());
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NodeListDefinition::append(arg);
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return pReplacedNode;
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}
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Node* NamedNodeMap::removeNamedItem(const String& name)
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{
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NodeListDefinition::ListItem* pSearchItem;
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Node* returnNode;
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pSearchItem = findListItemByName(name);
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if (pSearchItem)
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{
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if (pSearchItem != firstItem)
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pSearchItem->prev->next = pSearchItem->next;
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else
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firstItem = pSearchItem->next;
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if (pSearchItem != lastItem)
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pSearchItem->next->prev = pSearchItem->prev;
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else
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lastItem = pSearchItem->prev;
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pSearchItem->next = NULL;
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pSearchItem->prev = NULL;
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length--;
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returnNode = pSearchItem->node;
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delete pSearchItem;
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return returnNode;
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}
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return NULL;
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}
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NodeListDefinition::ListItem*
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NamedNodeMap::findListItemByName(const String& name)
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{
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NodeListDefinition::ListItem* pSearchItem = firstItem;
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while (pSearchItem)
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{
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if (name.isEqual(pSearchItem->node->getNodeName()))
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return pSearchItem;
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pSearchItem = pSearchItem->next;
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}
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return NULL;
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}
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AttrMap::AttrMap()
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{
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ownerElement = NULL;
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}
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AttrMap::~AttrMap()
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{
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}
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Node* AttrMap::setNamedItem(Node* arg)
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{
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if (arg->getNodeType() != Node::ATTRIBUTE_NODE)
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return NULL;
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((Attr*)arg)->ownerElement = ownerElement;
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return NamedNodeMap::setNamedItem(arg);
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}
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Node* AttrMap::removeNamedItem(const String& name)
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{
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Attr* node = (Attr*)NamedNodeMap::removeNamedItem(name);
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if (node)
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node->ownerElement = NULL;
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return node;
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}
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void AttrMap::clear()
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{
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ListItem* pDeleteItem;
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ListItem* pListTraversal = firstItem;
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while (pListTraversal) {
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pDeleteItem = pListTraversal;
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pListTraversal = pListTraversal->next;
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delete pDeleteItem->node;
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delete pDeleteItem;
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}
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firstItem = 0;
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lastItem = 0;
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length = 0;
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}
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