193 lines
5.1 KiB
C++
193 lines
5.1 KiB
C++
/*
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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 (01/13/2000)
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//
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// Wrapper class to convert Mozilla's Attr Interface to TransforMIIX's Attr
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// Interface.
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//
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// NOTE: The objects being wrapped are not deleted. It is assumed that they
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// will be deleted when the actual ("real") Mozilla Document is
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// destroyed
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//
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// Modification History:
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// Who When What
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//
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#include "mozilladom.h"
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#include "nsCOMPtr.h"
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#include "nsIXMLContent.h"
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//
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//Construct an Attribute wrapper object using the specified nsIDOMAttr object
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//
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Attr::Attr(nsIDOMAttr* attr, Document* owner) : Node(attr, owner)
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{
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nsAttr = attr;
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}
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//
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//Destroy the delegate nsIDOMAttr object
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//
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Attr::~Attr()
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{
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}
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//
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//Return the nsAttr data member to the caller.
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//
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nsIDOMAttr* Attr::getNSAttr()
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{
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return nsAttr;
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}
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void Attr::setNSObj(nsIDOMAttr* attr)
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{
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Node::setNSObj(attr);
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nsAttr = attr;
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}
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//
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//Retrieve the name of the attribute storing it in a String wrapper
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//class. The wrapper is retrieved from the Document so it can be hashed. At
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//this time no one else will use this hased object since it has been
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//specifically created for the caller of this function, but at lease its
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//memory managment is handled automatically. In the future, a more efficient
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//implementation can be created based on the characters stored in the string
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//or something.
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// NOTE: We don't need to worry about memory management here since the
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// String object will delete its nsString object automatically
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// ( nsIDOMAttr::GetName(nsString&) )
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//
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const String& Attr::getName()
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{
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nsString* name = new nsString();
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nsString prefix;
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/* XXX HACK (pvdb)
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This can be removed once we have DOM Level 2 support
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in Mozilla
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*/
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if (nsAttr->GetName(*name) == NS_OK)
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{
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/* XXX HACK (pvdb)
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This can be removed once we have DOM Level 2 support
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in Mozilla
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*/
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if (NS_SUCCEEDED(nsAttr->GetPrefix(prefix)) && (prefix.Length() > 0))
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{
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name->InsertWithConversion(":", 0);
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name->Insert(prefix, 0);
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}
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return *(ownerDocument->createDOMString(name));
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}
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else
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{
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//name won't be used, so delete it.
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delete name;
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return NULL_STRING;
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}
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}
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//
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//Retrieve the specified flag. ( nsIDOMAttr::GetSpecified(PRBool*) )
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//
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MBool Attr::getSpecified() const
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{
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MBool specified;
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nsAttr->GetSpecified(&specified);
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return specified;
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}
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//
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//Retrieve the value of the attribute. See getName above for hashing info
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//
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const String& Attr::getValue()
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{
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nsString* value = new nsString();
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if (nsAttr->GetValue(*value) == NS_OK)
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return *(ownerDocument->createDOMString(value));
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else
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{
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//value is not needed so delete it.
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delete value;
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return NULL_STRING;
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}
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}
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//
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//Foward call to nsIDOMAttr::SetValue.
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//
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void Attr::setValue(const String& newValue)
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{
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nsAttr->SetValue(newValue.getConstNSString());
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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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//
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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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//
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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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//
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// return returnVal;
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//}
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