145 lines
3.7 KiB
C++
145 lines
3.7 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 Attr class
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//
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#include "dom.h"
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//
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//Construct an Attribute object using the specified name and document owner
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//
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Attr::Attr(const String& name, Document* owner):
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NodeDefinition(Node::ATTRIBUTE_NODE, name, NULL_STRING, owner)
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{
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specified = MB_FALSE;
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}
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//
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//Retrieve the name of the attribute from the nodeName data member
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//
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const String& Attr::getName() const
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{
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return nodeName;
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}
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//
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//Retrieve the specified flag
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//
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MBool Attr::getSpecified() const
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{
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return specified;
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}
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//
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//Retrieve the value of the attribute. This is a comma-deliminated string
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//representation of the Attribute's children.
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//
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const String& Attr::getValue()
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{
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nodeValue = NULL_STRING;
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Node* child = getFirstChild();
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while (child) {
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if (child->getNodeType() != Node::ENTITY_REFERENCE_NODE) {
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nodeValue.append(child->getNodeValue());
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child = child->getNextSibling();
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if (child)
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nodeValue.append(",");
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} else {
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child = child->getNextSibling();
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}
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}
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return nodeValue;
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}
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//
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//Create a new Text node and add it to the Attribute's list of children. Also
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//set the Specified flag to true.
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//
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void Attr::setValue(const String& newValue)
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{
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NodeDefinition::DeleteChildren();
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appendChild(getOwnerDocument()->createTextNode(newValue));
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specified = MB_TRUE;
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}
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//
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//Override the set node value member function to create a new TEXT node with
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//the String and to add it as the Attribute's child.
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// NOTE: Not currently impemented, just execute the default setNodeValue
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//
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void Attr::setNodeValue(const String& nodeValue)
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{
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setValue(nodeValue);
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}
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//
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//Return a String represening the value of this node. If the value is an
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//Entity Reference then return the value of the reference. Otherwise, it is a
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//simple conversion of the text value.
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// NOTE: Not currently implemented, just execute the default getNodeValue
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//
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const String& Attr::getNodeValue()
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{
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return getValue();
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}
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//
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//First check to see if the new node is an allowable child for an Attr. If it
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//is, call NodeDefinition's implementation of Insert Before. If not, return
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//null as an error.
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//
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Node* Attr::insertBefore(Node* newChild, Node* refChild)
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{
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Node* returnVal = NULL;
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switch (newChild->getNodeType())
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{
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case Node::TEXT_NODE :
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case Node::ENTITY_REFERENCE_NODE:
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returnVal = NodeDefinition::insertBefore(newChild, refChild);
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if (returnVal)
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specified = MB_TRUE;
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break;
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default:
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returnVal = NULL;
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}
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return returnVal;
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}
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//
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//Return the attributes owning element
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//
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Node* Attr::getXPathParent()
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{
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return ownerElement;
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}
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