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DOMCommentImpl.cpp：源码内容
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/*
 * $Id: DOMCommentImpl.cpp,v 1.12 2003/01/16 20:12:19 tng Exp $
 */
#include "DOMCommentImpl.hpp"
#include "DOMCharacterDataImpl.hpp"
#include "DOMStringPool.hpp"
#include "DOMCasts.hpp"
#include "DOMDocumentImpl.hpp"
#include "DOMRangeImpl.hpp"
#include <xercesc/dom/DOMNode.hpp>
#include <xercesc/dom/DOMException.hpp>
#include <xercesc/util/XMLUniDefs.hpp>
XERCES_CPP_NAMESPACE_BEGIN
DOMCommentImpl::DOMCommentImpl(DOMDocument *ownerDoc, const XMLCh *dat)
    : fNode(ownerDoc),  fCharacterData(ownerDoc, dat)
{
    fNode.setIsLeafNode(true);
};
DOMCommentImpl::DOMCommentImpl(const DOMCommentImpl &other, bool deep)
    : fNode(other.fNode),
    fChild(other.fChild),
    fCharacterData(other.fCharacterData)
{
    fNode.setIsLeafNode(true);
};
DOMCommentImpl::~DOMCommentImpl() {
};
DOMNode * DOMCommentImpl::cloneNode(bool deep) const
{
    DOMNode* newNode = new (getOwnerDocument(), DOMDocumentImpl::COMMENT_OBJECT) DOMCommentImpl(*this, deep);
    fNode.callUserDataHandlers(DOMUserDataHandler::NODE_CLONED, this, newNode);
    return newNode;
};
const XMLCh * DOMCommentImpl::getNodeName() const {
    static const XMLCh gComment[] =
        {chPound, chLatin_c, chLatin_o, chLatin_m, chLatin_m, chLatin_e,chLatin_n, chLatin_t, 0};
    return gComment;
}
short DOMCommentImpl::getNodeType() const {
    return DOMNode::COMMENT_NODE;
}
void DOMCommentImpl::release()
{
    if (fNode.isOwned() && !fNode.isToBeReleased())
        throw DOMException(DOMException::INVALID_ACCESS_ERR,0);
    DOMDocumentImpl* doc = (DOMDocumentImpl*) getOwnerDocument();
    if (doc) {
        fNode.callUserDataHandlers(DOMUserDataHandler::NODE_DELETED, 0, 0);
        fCharacterData.releaseBuffer();
        doc->release(this, DOMDocumentImpl::COMMENT_OBJECT);
    }
    else {
        // shouldn't reach here
        throw DOMException(DOMException::INVALID_ACCESS_ERR,0);
    }
}
// Non standard extension for the range to work
DOMComment *DOMCommentImpl::splitText(XMLSize_t offset)
{
    if (fNode.isReadOnly())
    {
        throw DOMException(
            DOMException::NO_MODIFICATION_ALLOWED_ERR, 0);
    }
    XMLSize_t len = fCharacterData.fDataBuf->getLen();
    if (offset > len || offset < 0)
        throw DOMException(DOMException::INDEX_SIZE_ERR, 0);
    DOMComment *newText =
                getOwnerDocument()->createComment(
                        this->substringData(offset, len - offset));
    DOMNode *parent = getParentNode();
    if (parent != 0)
        parent->insertBefore(newText, getNextSibling());
    fCharacterData.fDataBuf->chop(offset);
    if (this->getOwnerDocument() != 0) {
        Ranges* ranges = ((DOMDocumentImpl *)this->getOwnerDocument())->getRanges();
        if (ranges != 0) {
            XMLSize_t sz = ranges->size();
            if (sz != 0) {
                for (XMLSize_t i =0; i<sz; i++) {
                    ranges->elementAt(i)->updateSplitInfo( this, newText, offset);
                }
            }
        }
    }
    return newText;
};
           DOMNode*         DOMCommentImpl::appendChild(DOMNode *newChild)          {return fNode.appendChild (newChild); };
           DOMNamedNodeMap* DOMCommentImpl::getAttributes() const                   {return fNode.getAttributes (); };
           DOMNodeList*     DOMCommentImpl::getChildNodes() const                   {return fNode.getChildNodes (); };
           DOMNode*         DOMCommentImpl::getFirstChild() const                   {return fNode.getFirstChild (); };
           DOMNode*         DOMCommentImpl::getLastChild() const                    {return fNode.getLastChild (); };
     const XMLCh*           DOMCommentImpl::getLocalName() const                    {return fNode.getLocalName (); };
     const XMLCh*           DOMCommentImpl::getNamespaceURI() const                 {return fNode.getNamespaceURI (); };
           DOMNode*         DOMCommentImpl::getNextSibling() const                  {return fChild.getNextSibling (); };
     const XMLCh*           DOMCommentImpl::getNodeValue() const                    {return fCharacterData.getNodeValue (); };
           DOMDocument*     DOMCommentImpl::getOwnerDocument() const                {return fNode.getOwnerDocument (); };
     const XMLCh*           DOMCommentImpl::getPrefix() const                       {return fNode.getPrefix (); };
           DOMNode*         DOMCommentImpl::getParentNode() const                   {return fChild.getParentNode (this); };
           DOMNode*         DOMCommentImpl::getPreviousSibling() const              {return fChild.getPreviousSibling (this); };
           bool             DOMCommentImpl::hasChildNodes() const                   {return fNode.hasChildNodes (); };
           DOMNode*         DOMCommentImpl::insertBefore(DOMNode *newChild, DOMNode *refChild)
                                                                                    {return fNode.insertBefore (newChild, refChild); };
           void             DOMCommentImpl::normalize()                             {fNode.normalize (); };
           DOMNode*         DOMCommentImpl::removeChild(DOMNode *oldChild)          {return fNode.removeChild (oldChild); };
           DOMNode*         DOMCommentImpl::replaceChild(DOMNode *newChild, DOMNode *oldChild)
                                                                                    {return fNode.replaceChild (newChild, oldChild); };
           bool             DOMCommentImpl::isSupported(const XMLCh *feature, const XMLCh *version) const
                                                                                    {return fNode.isSupported (feature, version); };
           void             DOMCommentImpl::setPrefix(const XMLCh  *prefix)         {fNode.setPrefix(prefix); };
           bool             DOMCommentImpl::hasAttributes() const                   {return fNode.hasAttributes(); };
           bool             DOMCommentImpl::isSameNode(const DOMNode* other) const  {return fNode.isSameNode(other); };
           bool             DOMCommentImpl::isEqualNode(const DOMNode* arg) const   {return fNode.isEqualNode(arg); };
           void*            DOMCommentImpl::setUserData(const XMLCh* key, void* data, DOMUserDataHandler* handler)
                                                                                    {return fNode.setUserData(key, data, handler); };
           void*            DOMCommentImpl::getUserData(const XMLCh* key) const     {return fNode.getUserData(key); };
           const XMLCh*     DOMCommentImpl::getBaseURI() const                      {return fNode.getBaseURI(); };
           short            DOMCommentImpl::compareTreePosition(const DOMNode* other) const {return fNode.compareTreePosition(other); };
           const XMLCh*     DOMCommentImpl::getTextContent() const                  {return fNode.getTextContent(); };
           void             DOMCommentImpl::setTextContent(const XMLCh* textContent){fNode.setTextContent(textContent); };
           const XMLCh*     DOMCommentImpl::lookupNamespacePrefix(const XMLCh* namespaceURI, bool useDefault) const  {return fNode.lookupNamespacePrefix(namespaceURI, useDefault); };
           bool             DOMCommentImpl::isDefaultNamespace(const XMLCh* namespaceURI) const {return fNode.isDefaultNamespace(namespaceURI); };
           const XMLCh*     DOMCommentImpl::lookupNamespaceURI(const XMLCh* prefix) const  {return fNode.lookupNamespaceURI(prefix); };
           DOMNode*         DOMCommentImpl::getInterface(const XMLCh* feature)      {return fNode.getInterface(feature); };
//
//   Delegation of CharacerData functions.
//
           const XMLCh*     DOMCommentImpl::getData() const                         {return fCharacterData.getData();};
           XMLSize_t        DOMCommentImpl::getLength() const                       {return fCharacterData.getLength();};
           const XMLCh*     DOMCommentImpl::substringData(XMLSize_t offset, XMLSize_t count) const
                                                                                    {return fCharacterData.substringData(this, offset, count);};
           void             DOMCommentImpl::appendData(const XMLCh *arg)            {fCharacterData.appendData(this, arg);};
           void             DOMCommentImpl::insertData(XMLSize_t offset, const  XMLCh *arg)
                                                                                    {fCharacterData.insertData(this, offset, arg);};
           void             DOMCommentImpl::deleteData(XMLSize_t offset, XMLSize_t count)
                                                                                    {fCharacterData.deleteData(this, offset, count);};
           void             DOMCommentImpl::replaceData(XMLSize_t offset, XMLSize_t count, const XMLCh *arg)
                                                                                    {fCharacterData.replaceData(this, offset, count, arg);};
           void             DOMCommentImpl::setData(const XMLCh *data)              {fCharacterData.setData(this, data);};
           void             DOMCommentImpl::setNodeValue(const XMLCh  *nodeValue)   {fCharacterData.setNodeValue (this, nodeValue); };
XERCES_CPP_NAMESPACE_END

						