XercesDOMParser.cpp
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- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2001 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/>.
- */
- /**
- * This file contains code to build the DOM tree. It registers a document
- * handler with the scanner. In these handler methods, appropriate DOM nodes
- * are created and added to the DOM tree.
- *
- * $Id: XercesDOMParser.cpp,v 1.12 2003/05/15 18:26:50 knoaman Exp $
- *
- */
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #include <xercesc/sax/EntityResolver.hpp>
- #include <xercesc/sax/ErrorHandler.hpp>
- #include <xercesc/sax/SAXParseException.hpp>
- #include <xercesc/util/IOException.hpp>
- #include <xercesc/internal/XMLScanner.hpp>
- #include <xercesc/parsers/XercesDOMParser.hpp>
- #include <xercesc/validators/common/GrammarResolver.hpp>
- XERCES_CPP_NAMESPACE_BEGIN
- // ---------------------------------------------------------------------------
- // XercesDOMParser: Constructors and Destructor
- // ---------------------------------------------------------------------------
- XercesDOMParser::XercesDOMParser( XMLValidator* const valToAdopt
- , MemoryManager* const manager) :
- AbstractDOMParser(valToAdopt, manager)
- , fErrorHandler(0)
- , fEntityResolver(0)
- {
- }
- XercesDOMParser::~XercesDOMParser()
- {
- }
- // ---------------------------------------------------------------------------
- // XercesDOMParser: Getter methods
- // ---------------------------------------------------------------------------
- bool XercesDOMParser::isCachingGrammarFromParse() const
- {
- return getScanner()->isCachingGrammarFromParse();
- }
- bool XercesDOMParser::isUsingCachedGrammarInParse() const
- {
- return getScanner()->isUsingCachedGrammarInParse();
- }
- Grammar* XercesDOMParser::getGrammar(const XMLCh* const nameSpaceKey)
- {
- return getGrammarResolver()->getGrammar(nameSpaceKey);
- }
- Grammar* XercesDOMParser::getRootGrammar()
- {
- return getScanner()->getRootGrammar();
- }
- const XMLCh* XercesDOMParser::getURIText(unsigned int uriId) const
- {
- return getScanner()->getURIText(uriId);
- }
- unsigned int XercesDOMParser::getSrcOffset() const
- {
- return getScanner()->getSrcOffset();
- }
- // ---------------------------------------------------------------------------
- // XercesDOMParser: Setter methods
- // ---------------------------------------------------------------------------
- void XercesDOMParser::setErrorHandler(ErrorHandler* const handler)
- {
- fErrorHandler = handler;
- XMLScanner* scanner = getScanner();
- if (fErrorHandler) {
- scanner->setErrorReporter(this);
- scanner->setErrorHandler(fErrorHandler);
- }
- else {
- scanner->setErrorReporter(0);
- scanner->setErrorHandler(0);
- }
- }
- void XercesDOMParser::setEntityResolver(EntityResolver* const handler)
- {
- fEntityResolver = handler;
- if (fEntityResolver) {
- getScanner()->setEntityHandler(this);
- }
- else {
- getScanner()->setEntityHandler(0);
- }
- }
- void XercesDOMParser::cacheGrammarFromParse(const bool newState)
- {
- getScanner()->cacheGrammarFromParse(newState);
- if (newState)
- getScanner()->useCachedGrammarInParse(newState);
- }
- void XercesDOMParser::useCachedGrammarInParse(const bool newState)
- {
- if (newState || !getScanner()->isCachingGrammarFromParse())
- getScanner()->useCachedGrammarInParse(newState);
- }
- // ---------------------------------------------------------------------------
- // XercesDOMParser: Utilities
- // ---------------------------------------------------------------------------
- void XercesDOMParser::resetDocumentPool()
- {
- resetPool();
- }
- // ---------------------------------------------------------------------------
- // XercesDOMParser: Implementation of the XMLErrorReporter interface
- // ---------------------------------------------------------------------------
- void XercesDOMParser::error( const unsigned int code
- , const XMLCh* const msgDomain
- , const XMLErrorReporter::ErrTypes errType
- , const XMLCh* const errorText
- , const XMLCh* const systemId
- , const XMLCh* const publicId
- , const XMLSSize_t lineNum
- , const XMLSSize_t colNum)
- {
- SAXParseException toThrow = SAXParseException
- (
- errorText
- , publicId
- , systemId
- , lineNum
- , colNum
- );
- //
- // If there is an error handler registered, call it, otherwise ignore
- // all but the fatal errors.
- //
- if (!fErrorHandler)
- {
- if (errType == XMLErrorReporter::ErrType_Fatal)
- throw toThrow;
- return;
- }
- if (errType == XMLErrorReporter::ErrType_Warning)
- fErrorHandler->warning(toThrow);
- else if (errType >= XMLErrorReporter::ErrType_Fatal)
- fErrorHandler->fatalError(toThrow);
- else
- fErrorHandler->error(toThrow);
- }
- void XercesDOMParser::resetErrors()
- {
- }
- // ---------------------------------------------------------------------------
- // XercesDOMParser: Implementation of XMLEntityHandler interface
- // ---------------------------------------------------------------------------
- InputSource*
- XercesDOMParser::resolveEntity(const XMLCh* const publicId,
- const XMLCh* const systemId,
- const XMLCh* const baseURI)
- {
- //
- // Just map it to the SAX entity resolver. If there is not one installed,
- // return a null pointer to cause the default resolution.
- //
- if (fEntityResolver)
- return fEntityResolver->resolveEntity(publicId, systemId);
- return 0;
- }
- // ---------------------------------------------------------------------------
- // XercesDOMParser: Grammar preparsing methods
- // ---------------------------------------------------------------------------
- Grammar* XercesDOMParser::loadGrammar(const char* const systemId,
- const short grammarType,
- const bool toCache)
- {
- // Avoid multiple entrance
- if (getParseInProgress())
- ThrowXML(IOException, XMLExcepts::Gen_ParseInProgress);
- Grammar* grammar = 0;
- try
- {
- setParseInProgress(true);
- grammar = getScanner()->loadGrammar(systemId, grammarType, toCache);
- setParseInProgress(false);
- }
- catch(...)
- {
- setParseInProgress(false);
- throw;
- }
- return grammar;
- }
- Grammar* XercesDOMParser::loadGrammar(const XMLCh* const systemId,
- const short grammarType,
- const bool toCache)
- {
- // Avoid multiple entrance
- if (getParseInProgress())
- ThrowXML(IOException, XMLExcepts::Gen_ParseInProgress);
- Grammar* grammar = 0;
- try
- {
- setParseInProgress(true);
- grammar = getScanner()->loadGrammar(systemId, grammarType, toCache);
- setParseInProgress(false);
- }
- catch(...)
- {
- setParseInProgress(false);
- throw;
- }
- return grammar;
- }
- Grammar* XercesDOMParser::loadGrammar(const InputSource& source,
- const short grammarType,
- const bool toCache)
- {
- // Avoid multiple entrance
- if (getParseInProgress())
- ThrowXML(IOException, XMLExcepts::Gen_ParseInProgress);
- Grammar* grammar = 0;
- try
- {
- setParseInProgress(true);
- grammar = getScanner()->loadGrammar(source, grammarType, toCache);
- setParseInProgress(false);
- }
- catch(...)
- {
- setParseInProgress(false);
- throw;
- }
- return grammar;
- }
- void XercesDOMParser::resetCachedGrammarPool()
- {
- getGrammarResolver()->resetCachedGrammar();
- }
- XERCES_CPP_NAMESPACE_END