DOMCharacterDataImpl.cpp
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上传日期:2013-06-25
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文件大小:10k
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词法分析
开发平台:
Visual C++
- /*
- * 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: DOMCharacterDataImpl.cpp,v 1.6 2003/05/15 18:25:54 knoaman Exp $
- */
- #include "DOMCharacterDataImpl.hpp"
- #include <xercesc/dom/DOMException.hpp>
- #include <xercesc/dom/DOMNode.hpp>
- #include "DOMRangeImpl.hpp"
- #include "DOMDocumentImpl.hpp"
- #include "DOMCasts.hpp"
- #include "DOMStringPool.hpp"
- #include <xercesc/util/XMLUniDefs.hpp>
- XERCES_CPP_NAMESPACE_BEGIN
- DOMCharacterDataImpl::DOMCharacterDataImpl(DOMDocument *doc, const XMLCh *dat)
- : fDoc(0)
- , fDataBuf(0)
- {
- fDoc = (DOMDocumentImpl*)doc;
- fDataBuf = fDoc->popBuffer();
- if (!fDataBuf)
- fDataBuf = new (fDoc) DOMBuffer(fDoc, dat);
- else
- fDataBuf->set(dat);
- };
- DOMCharacterDataImpl::DOMCharacterDataImpl(const DOMCharacterDataImpl &other)
- : fDoc(0)
- , fDataBuf(0)
- {
- fDoc = (DOMDocumentImpl*)other.fDoc;
- fDataBuf = fDoc->popBuffer();
- if (!fDataBuf)
- fDataBuf = new (fDoc) DOMBuffer(fDoc, other.fDataBuf->getRawBuffer());
- else
- fDataBuf->set(other.fDataBuf->getRawBuffer());
- };
- DOMCharacterDataImpl::~DOMCharacterDataImpl() {
- };
- const XMLCh * DOMCharacterDataImpl::getNodeValue() const
- {
- return fDataBuf->getRawBuffer();
- };
- void DOMCharacterDataImpl::setNodeValue(const DOMNode *node, const XMLCh *value)
- {
- if (castToNodeImpl(node)->isReadOnly())
- throw DOMException(DOMException::NO_MODIFICATION_ALLOWED_ERR,
- 0);
- fDataBuf->set(value);
- if (node->getOwnerDocument() != 0) {
- Ranges* ranges = ((DOMDocumentImpl *)node->getOwnerDocument())->getRanges();
- if (ranges != 0) {
- XMLSize_t sz = ranges->size();
- if (sz != 0) {
- for (XMLSize_t i =0; i<sz; i++) {
- ranges->elementAt(i)->receiveReplacedText((DOMNode*)node);
- }
- }
- }
- }
- };
- void DOMCharacterDataImpl::appendData(const DOMNode *node, const XMLCh *dat)
- {
- if(castToNodeImpl(node)->isReadOnly())
- throw DOMException(
- DOMException::NO_MODIFICATION_ALLOWED_ERR, 0);
- fDataBuf->append(dat);
- };
- void DOMCharacterDataImpl::deleteData(const DOMNode *node, XMLSize_t offset, XMLSize_t count)
- {
- if (castToNodeImpl(node)->isReadOnly())
- throw DOMException(DOMException::NO_MODIFICATION_ALLOWED_ERR, 0);
- // Note: the C++ XMLCh * operation throws the correct DOMExceptions
- // when parameter values are bad.
- //
- XMLSize_t len = this->fDataBuf->getLen();
- if (offset > len || offset < 0 || count < 0)
- throw DOMException(DOMException::INDEX_SIZE_ERR, 0);
- // Cap the value of delLength to avoid trouble with overflows
- // in the following length computations.
- if (count > len)
- count = len;
- // If the length of data to be deleted would extend off the end
- // of the string, cut it back to stop at the end of string.
- if (offset + count >= len)
- count = len - offset;
- XMLSize_t newLen = len - count;
- XMLCh* newString;
- XMLCh temp[4000];
- if (newLen >= 3999)
- newString = (XMLCh*) XMLPlatformUtils::fgMemoryManager->allocate
- (
- (newLen+1) * sizeof(XMLCh)
- );//new XMLCh[newLen+1];
- else
- newString = temp;
- XMLString::copyNString(newString, fDataBuf->getRawBuffer(), offset);
- XMLString::copyString(newString+offset, fDataBuf->getRawBuffer()+offset+count);
- fDataBuf->set(newString);
- if (newLen >= 3999)
- XMLPlatformUtils::fgMemoryManager->deallocate(newString);//delete[] newString;
- // We don't delete the old string (doesn't work), or alter
- // the old string (may be shared)
- // It just hangs around, possibly orphaned.
- if (node->getOwnerDocument() != 0) {
- Ranges* ranges = ((DOMDocumentImpl *)node->getOwnerDocument())->getRanges();
- if (ranges != 0) {
- XMLSize_t sz = ranges->size();
- if (sz != 0) {
- for (XMLSize_t i =0; i<sz; i++) {
- ranges->elementAt(i)->updateRangeForDeletedText( (DOMNode*)node, offset, count);
- }
- }
- }
- }
- };
- const XMLCh *DOMCharacterDataImpl::getData() const
- {
- return fDataBuf->getRawBuffer();
- };
- //
- // getCharDataLength - return the length of the character data string.
- //
- XMLSize_t DOMCharacterDataImpl::getLength() const
- {
- return fDataBuf->getLen();
- };
- void DOMCharacterDataImpl::insertData(const DOMNode *node, XMLSize_t offset, const XMLCh *dat)
- {
- if (castToNodeImpl(node)->isReadOnly())
- throw DOMException(
- DOMException::NO_MODIFICATION_ALLOWED_ERR, 0);
- // Note: the C++ XMLCh * operation throws the correct DOMExceptions
- // when parameter values are bad.
- //
- XMLSize_t len = fDataBuf->getLen();
- if (offset > len || offset < 0)
- throw DOMException(DOMException::INDEX_SIZE_ERR, 0);
- XMLSize_t datLen = XMLString::stringLen(dat);
- XMLSize_t newLen = len + datLen;
- XMLCh* newString;
- XMLCh temp[4000];
- if (newLen >= 3999)
- newString = (XMLCh*) XMLPlatformUtils::fgMemoryManager->allocate
- (
- (newLen + 1) * sizeof(XMLCh)
- );//new XMLCh[newLen+1];
- else
- newString = temp;
- XMLString::copyNString(newString, fDataBuf->getRawBuffer(), offset);
- XMLString::copyNString(newString+offset, dat, datLen);
- XMLString::copyString(newString+offset+datLen, fDataBuf->getRawBuffer()+offset);
- fDataBuf->set(newString);
- if (newLen >= 3999)
- XMLPlatformUtils::fgMemoryManager->deallocate(newString);//delete[] newString;
- if (node->getOwnerDocument() != 0) {
- Ranges* ranges = ((DOMDocumentImpl *)node->getOwnerDocument())->getRanges();
- if (ranges != 0) {
- XMLSize_t sz = ranges->size();
- if (sz != 0) {
- for (XMLSize_t i =0; i<sz; i++) {
- ranges->elementAt(i)->updateRangeForInsertedText( (DOMNode*)node, offset, datLen);
- }
- }
- }
- }
- }
- void DOMCharacterDataImpl::replaceData(const DOMNode *node, XMLSize_t offset, XMLSize_t count,
- const XMLCh *dat)
- {
- if (castToNodeImpl(node)->isReadOnly())
- throw DOMException(
- DOMException::NO_MODIFICATION_ALLOWED_ERR, 0);
- deleteData(node, offset, count);
- insertData(node, offset, dat);
- };
- void DOMCharacterDataImpl::setData(const DOMNode *node, const XMLCh *arg)
- {
- setNodeValue(node, arg);
- };
- const XMLCh * DOMCharacterDataImpl::substringData(const DOMNode *node, XMLSize_t offset,
- XMLSize_t count) const
- {
- // Note: the C++ XMLCh * operation throws the correct DOMExceptions
- // when parameter values are bad.
- //
- XMLSize_t len = fDataBuf->getLen();
- if (offset > len || offset < 0 || count < 0)
- throw DOMException(DOMException::INDEX_SIZE_ERR, 0);
- XMLCh* newString;
- XMLCh temp[4000];
- if (len >= 3999)
- newString = (XMLCh*) XMLPlatformUtils::fgMemoryManager->allocate
- (
- (len + 1) * sizeof(XMLCh)
- );//new XMLCh[len+1];
- else
- newString = temp;
- XMLString::copyNString(newString, fDataBuf->getRawBuffer()+offset, count);
- newString[count] = chNull;
- const XMLCh* retString = ((DOMDocumentImpl *)node->getOwnerDocument())->getPooledString(newString);
- if (len >= 3999)
- XMLPlatformUtils::fgMemoryManager->deallocate(newString);//delete[] newString;
- return retString;
- };
- void DOMCharacterDataImpl::releaseBuffer() {
- fDoc->releaseBuffer(fDataBuf);
- }
- XERCES_CPP_NAMESPACE_END