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/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xerces" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache\@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation, and was
* originally based on software copyright (c) 2001, International
* Business Machines, Inc., http://www.ibm.com . For more information
* on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
/*
* $Id$
*/
#include <xercesc/dom/DOMDocument.hpp>
#include <xercesc/dom/DOMException.hpp>
#include "DOMAttrImpl.hpp"
#include "DOMStringPool.hpp"
#include "DOMDocumentImpl.hpp"
#include "DOMCasts.hpp"
#include "DOMNodeIDMap.hpp"
DOMAttrImpl::DOMAttrImpl(DOMDocument *ownerDoc, const XMLCh *aName)
: fNode(ownerDoc), fParent (ownerDoc)
{
DOMDocumentImpl *docImpl = (DOMDocumentImpl *)ownerDoc;
fName = docImpl->getPooledString(aName);
fNode.isSpecified(true);
};
DOMAttrImpl::DOMAttrImpl(const DOMAttrImpl &other, bool deep)
: fNode(other.fNode), fParent (other.fParent)
{
fName = other.fName;
if (other.fNode.isSpecified())
fNode.isSpecified(true);
else
fNode.isSpecified(false);
if (other.fNode.isIdAttr())
{
fNode.isIdAttr(true);
DOMDocumentImpl *doc = (DOMDocumentImpl *)this->getOwnerDocument();
doc->getNodeIDMap()->add(this);
}
};
DOMAttrImpl::~DOMAttrImpl() {
};
DOMNode * DOMAttrImpl::cloneNode(bool deep) const
{
DOMNode* newNode = new (this->getOwnerDocument(), DOMDocumentImpl::ATTR_OBJECT) DOMAttrImpl(*this, deep);
fNode.callUserDataHandlers(DOMUserDataHandler::NODE_CLONED, this, newNode);
return newNode;
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};
const XMLCh * DOMAttrImpl::getNodeName() const{
return fName;
};
short DOMAttrImpl::getNodeType() const {
return DOMNode::ATTRIBUTE_NODE;
};
const XMLCh * DOMAttrImpl::getName() const {
return fName;
};
const XMLCh * DOMAttrImpl::getNodeValue() const
{
return getValue();
};
bool DOMAttrImpl::getSpecified() const
{
return fNode.isSpecified();
};
const XMLCh * DOMAttrImpl::getValue() const
{
if (fParent.fFirstChild == 0) {
return XMLUni::fgZeroLenString; // return "";
}
DOMNode *node = castToChildImpl(fParent.fFirstChild)->nextSibling;
if (node == 0) {
return fParent.fFirstChild->getNodeValue();
}
int length = 0;
for (node = fParent.fFirstChild; node != 0; node = castToChildImpl(node)->nextSibling)
length += XMLString::stringLen(node->getNodeValue());
// revisit - Come up with some way of not allocating a new string each
// time we do this. But it's not an immediate pressing problem,
// becuase we only allocate a new string when we have attribute
// values that contain entity reference nodes. And the parser
// does not ever produce such a thing.
//XMLCh * retString = new (this->getOwnerDocument()) XMLCh[length+1];
length = sizeof(XMLCh) * (length+1);
length = (length % 4) + length;
XMLCh * retString = (XMLCh*) ((DOMDocumentImpl *)this->getOwnerDocument())->allocate(length);
retString[0] = 0;
for (node = fParent.fFirstChild; node != 0; node = castToChildImpl(node)->nextSibling)
{
XMLString::catString(retString, node->getNodeValue());
};
return retString;
};
void DOMAttrImpl::setNodeValue(const XMLCh *val)
{
setValue(val);
};
void DOMAttrImpl::setSpecified(bool arg)
{
fNode.isSpecified(arg);
};
void DOMAttrImpl::setValue(const XMLCh *val)
{
if (fNode.isReadOnly())
{
throw DOMException (
DOMException::NO_MODIFICATION_ALLOWED_ERR, 0);
}
// If this attribute was of type ID and in the map, take it out,
// then put it back in with the new name. For now, we don't worry
// about what happens if the new name conflicts
//
DOMDocumentImpl *doc = (DOMDocumentImpl *)getOwnerDocument();
if (fNode.isIdAttr())
doc->getNodeIDMap()->remove(this);
DOMNode *kid;
while ((kid = fParent.fFirstChild) != 0) // Remove existing kids
{
DOMNode* node = removeChild(kid);
if (node)
node->release();
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}
if (val != 0) // Create and add the new one
appendChild(doc->createTextNode(val));
fNode.isSpecified(true);
fParent.changed();
if (fNode.isIdAttr())
doc->getNodeIDMap()->add(this);
};
//Introduced in DOM Level 2
DOMElement *DOMAttrImpl::getOwnerElement() const
{
// if we have an owner, ownerNode is our ownerElement, otherwise it's
// our ownerDocument and we don't have an ownerElement
return (DOMElement *) (fNode.isOwned() ? fNode.fOwnerNode : 0);
}
//internal use by parser only
void DOMAttrImpl::setOwnerElement(DOMElement *ownerElem)
{
fNode.fOwnerNode = ownerElem;
// revisit. Is this backwards? isOwned(true)?
fNode.isOwned(false);
}
void DOMAttrImpl::release()
{
if (fNode.isOwned() && !fNode.isToBeReleased())
throw DOMException(DOMException::INVALID_ACCESS_ERR,0);
DOMDocumentImpl* doc = (DOMDocumentImpl*) getOwnerDocument();
if (doc) {
fParent.release();
doc->release(this, DOMDocumentImpl::ATTR_OBJECT);
}
else {
// shouldn't reach here
throw DOMException(DOMException::INVALID_ACCESS_ERR,0);
}
}
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DOMNode* DOMAttrImpl::rename(const XMLCh* namespaceURI, const XMLCh* name)
{
DOMElement* el = getOwnerElement();
DOMDocumentImpl* doc = (DOMDocumentImpl*) getOwnerDocument();
if (el)
el->removeAttributeNode(this);
if (!namespaceURI || !*namespaceURI) {
fName = doc->getPooledString(name);
if (el)
el->setAttributeNode(this);
return this;
}
else {
// create a new AttrNS
DOMAttr* newAttr = doc->createAttributeNS(namespaceURI, name);
// transfer the userData
doc->transferUserData(castToNodeImpl(this), castToNodeImpl(newAttr));
// move children to new node
DOMNode* child = getFirstChild();
while (child) {
removeChild(child);
newAttr->appendChild(child);
child = getFirstChild();
}
// and fire user data NODE_RENAMED event
castToNodeImpl(newAttr)->callUserDataHandlers(DOMUserDataHandler::NODE_RENAMED, this, newAttr);
// reattach attr to element
if (el)
el->setAttributeNodeNS(newAttr);
return newAttr;
}
}
DOMNode* DOMAttrImpl::appendChild(DOMNode *newChild) {return fParent.appendChild (newChild); };
DOMNamedNodeMap* DOMAttrImpl::getAttributes() const {return fNode.getAttributes (); };
DOMNodeList* DOMAttrImpl::getChildNodes() const {return fParent.getChildNodes (); };
DOMNode* DOMAttrImpl::getFirstChild() const {return fParent.getFirstChild (); };
DOMNode* DOMAttrImpl::getLastChild() const {return fParent.getLastChild (); };
const XMLCh* DOMAttrImpl::getLocalName() const {return fNode.getLocalName (); };
const XMLCh* DOMAttrImpl::getNamespaceURI() const {return fNode.getNamespaceURI (); };
DOMNode* DOMAttrImpl::getNextSibling() const {return fNode.getNextSibling (); };
DOMDocument* DOMAttrImpl::getOwnerDocument() const {return fNode.getOwnerDocument (); };
const XMLCh* DOMAttrImpl::getPrefix() const {return fNode.getPrefix (); };
DOMNode* DOMAttrImpl::getParentNode() const {return fNode.getParentNode (); };
DOMNode* DOMAttrImpl::getPreviousSibling() const {return fNode.getPreviousSibling (); };
bool DOMAttrImpl::hasChildNodes() const {return fParent.hasChildNodes (); };
DOMNode* DOMAttrImpl::insertBefore(DOMNode *newChild, DOMNode *refChild)
{return fParent.insertBefore (newChild, refChild); };
void DOMAttrImpl::normalize() {fParent.normalize (); };
DOMNode* DOMAttrImpl::removeChild(DOMNode *oldChild) {return fParent.removeChild (oldChild); };
DOMNode* DOMAttrImpl::replaceChild(DOMNode *newChild, DOMNode *oldChild)
{return fParent.replaceChild (newChild, oldChild); };
bool DOMAttrImpl::isSupported(const XMLCh *feature, const XMLCh *version) const
{return fNode.isSupported (feature, version); };
void DOMAttrImpl::setPrefix(const XMLCh *prefix) {fNode.setPrefix(prefix); };
bool DOMAttrImpl::hasAttributes() const {return fNode.hasAttributes(); };
bool DOMAttrImpl::isSameNode(const DOMNode* other) {return fNode.isSameNode(other); };
bool DOMAttrImpl::isEqualNode(const DOMNode* arg) {return fParent.isEqualNode(arg); };
void* DOMAttrImpl::setUserData(const XMLCh* key, void* data, DOMUserDataHandler* handler)
{return fNode.setUserData(key, data, handler); };
void* DOMAttrImpl::getUserData(const XMLCh* key) const {return fNode.getUserData(key); };
const XMLCh* DOMAttrImpl::getBaseURI() const {return fNode.getBaseURI(); };
short DOMAttrImpl::compareTreePosition(DOMNode* other) {return fNode.compareTreePosition(other); };
const XMLCh* DOMAttrImpl::getTextContent() const {return fNode.getTextContent(); };
void DOMAttrImpl::setTextContent(const XMLCh* textContent){fNode.setTextContent(textContent); };
const XMLCh* DOMAttrImpl::lookupNamespacePrefix(const XMLCh* namespaceURI, bool useDefault) {return fNode.lookupNamespacePrefix(namespaceURI, useDefault); };
bool DOMAttrImpl::isDefaultNamespace(const XMLCh* namespaceURI) {return fNode.isDefaultNamespace(namespaceURI); };
const XMLCh* DOMAttrImpl::lookupNamespaceURI(const XMLCh* prefix) {return fNode.lookupNamespaceURI(prefix); };
DOMNode* DOMAttrImpl::getInterface(const XMLCh* feature) {return fNode.getInterface(feature); };