DOMBuilderImpl.cpp
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- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2002, 2003 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: DOMBuilderImpl.cpp,v 1.24 2003/05/16 21:36:59 knoaman Exp $
- *
- */
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #include <xercesc/parsers/DOMBuilderImpl.hpp>
- #include <xercesc/util/IOException.hpp>
- #include <xercesc/dom/DOMEntityResolver.hpp>
- #include <xercesc/dom/DOMErrorHandler.hpp>
- #include <xercesc/dom/impl/DOMErrorImpl.hpp>
- #include <xercesc/dom/impl/DOMLocatorImpl.hpp>
- #include <xercesc/dom/DOMException.hpp>
- #include <xercesc/sax/SAXParseException.hpp>
- #include <xercesc/internal/XMLScanner.hpp>
- #include <xercesc/framework/Wrapper4DOMInputSource.hpp>
- #include <xercesc/validators/common/GrammarResolver.hpp>
- XERCES_CPP_NAMESPACE_BEGIN
- // ---------------------------------------------------------------------------
- // DOMBuilderImpl: Constructors and Destructor
- // ---------------------------------------------------------------------------
- DOMBuilderImpl::DOMBuilderImpl( XMLValidator* const valToAdopt
- , MemoryManager* const manager) :
- AbstractDOMParser(valToAdopt, manager)
- , fAutoValidation(false)
- , fValidation(false)
- , fErrorHandler(0)
- , fEntityResolver(0)
- , fFilter(0)
- , fCharsetOverridesXMLEncoding(true)
- , fUserAdoptsDocument(false)
- {
- // dom spec has different default from scanner's default, so set explicitly
- getScanner()->setNormalizeData(false);
- }
- DOMBuilderImpl::~DOMBuilderImpl()
- {
- }
- // ---------------------------------------------------------------------------
- // DOMBuilderImpl: Setter methods
- // ---------------------------------------------------------------------------
- void DOMBuilderImpl::setErrorHandler(DOMErrorHandler* const handler)
- {
- fErrorHandler = handler;
- if (fErrorHandler) {
- getScanner()->setErrorReporter(this);
- }
- else {
- getScanner()->setErrorReporter(0);
- }
- }
- void DOMBuilderImpl::setEntityResolver(DOMEntityResolver* const handler)
- {
- fEntityResolver = handler;
- if (fEntityResolver) {
- getScanner()->setEntityHandler(this);
- }
- else {
- getScanner()->setEntityHandler(0);
- }
- }
- void DOMBuilderImpl::setFilter(DOMBuilderFilter* const filter)
- {
- throw DOMException(DOMException::NOT_SUPPORTED_ERR, 0);
- }
- // ---------------------------------------------------------------------------
- // DOMBuilderImpl: Feature methods
- // ---------------------------------------------------------------------------
- void DOMBuilderImpl::setFeature(const XMLCh* const name, const bool state)
- {
- if (XMLString::compareIString(name, XMLUni::fgDOMEntities) == 0) {
- setCreateEntityReferenceNodes(state);
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMComments) == 0) {
- setCreateCommentNodes(state);
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMDatatypeNormalization) == 0) {
- getScanner()->setNormalizeData(state);
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMNamespaces) == 0) {
- setDoNamespaces(state);
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMWhitespaceInElementContent) == 0) {
- setIncludeIgnorableWhitespace(state);
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMValidation) == 0) {
- fValidation = state;
- if (state) {
- if (getValidationScheme() == AbstractDOMParser::Val_Never)
- setValidationScheme(AbstractDOMParser::Val_Always);
- }
- else {
- setValidationScheme(AbstractDOMParser::Val_Never);
- }
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMValidateIfSchema) == 0) {
- fAutoValidation = state;
- if (state) {
- setValidationScheme(AbstractDOMParser::Val_Auto);
- }
- else {
- setValidationScheme(AbstractDOMParser::Val_Never);
- }
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMCharsetOverridesXMLEncoding) == 0) {
- // in fact, setting this has no effect to the parser
- fCharsetOverridesXMLEncoding = state;
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMSupportedMediatypesOnly) == 0 ||
- XMLString::compareIString(name, XMLUni::fgDOMInfoset) == 0 ||
- XMLString::compareIString(name, XMLUni::fgDOMCanonicalForm) == 0 ) {
- if (state)
- throw DOMException(DOMException::NOT_SUPPORTED_ERR, 0);
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMNamespaceDeclarations) == 0 ||
- XMLString::compareIString(name, XMLUni::fgDOMCDATASections) == 0 ) {
- if (!state)
- throw DOMException(DOMException::NOT_SUPPORTED_ERR, 0);
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesSchema) == 0)
- {
- setDoSchema(state);
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesSchemaFullChecking) == 0)
- {
- setValidationSchemaFullChecking(state);
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesUserAdoptsDOMDocument) == 0)
- {
- if(state)
- fUserAdoptsDocument = true;
- else
- fUserAdoptsDocument = false;
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesLoadExternalDTD) == 0)
- {
- setLoadExternalDTD(state);
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesContinueAfterFatalError) == 0)
- {
- setExitOnFirstFatalError(!state);
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesValidationErrorAsFatal) == 0)
- {
- setValidationConstraintFatal(state);
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesCacheGrammarFromParse) == 0)
- {
- getScanner()->cacheGrammarFromParse(state);
- if (state)
- getScanner()->useCachedGrammarInParse(state);
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesUseCachedGrammarInParse) == 0)
- {
- if (state || !getScanner()->isCachingGrammarFromParse())
- getScanner()->useCachedGrammarInParse(state);
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesCalculateSrcOfs) == 0)
- {
- getScanner()->setCalculateSrcOfs(state);
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesStandardUriConformant) == 0)
- {
- getScanner()->setStandardUriConformant(state);
- }
- else {
- throw DOMException(DOMException::NOT_FOUND_ERR, 0);
- }
- }
- bool DOMBuilderImpl::getFeature(const XMLCh* const name) const
- {
- if (XMLString::compareIString(name, XMLUni::fgDOMEntities) == 0) {
- return getCreateEntityReferenceNodes();
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMComments) == 0) {
- return getCreateCommentNodes();
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMDatatypeNormalization) == 0) {
- return getScanner()->getNormalizeData();
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMNamespaces) == 0) {
- return getDoNamespaces();
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMWhitespaceInElementContent) == 0) {
- return getIncludeIgnorableWhitespace();
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMValidation) == 0) {
- return fValidation;
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMValidateIfSchema) == 0) {
- return fAutoValidation;
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMCharsetOverridesXMLEncoding) == 0) {
- return fCharsetOverridesXMLEncoding;
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMSupportedMediatypesOnly) == 0 ||
- XMLString::compareIString(name, XMLUni::fgDOMInfoset) == 0 ||
- XMLString::compareIString(name, XMLUni::fgDOMCanonicalForm) == 0 ) {
- return false;
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMNamespaceDeclarations) == 0 ||
- XMLString::compareIString(name, XMLUni::fgDOMCDATASections) == 0 ) {
- return true;
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesSchema) == 0)
- {
- return getDoSchema();
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesSchemaFullChecking) == 0)
- {
- return getValidationSchemaFullChecking();
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesLoadExternalDTD) == 0)
- {
- return getLoadExternalDTD();
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesContinueAfterFatalError) == 0)
- {
- return !getExitOnFirstFatalError();
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesValidationErrorAsFatal) == 0)
- {
- return getValidationConstraintFatal();
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesCacheGrammarFromParse) == 0)
- {
- return getScanner()->isCachingGrammarFromParse();
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesUseCachedGrammarInParse) == 0)
- {
- return getScanner()->isUsingCachedGrammarInParse();
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesCalculateSrcOfs) == 0)
- {
- return getScanner()->getCalculateSrcOfs();
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesStandardUriConformant) == 0)
- {
- return getScanner()->getStandardUriConformant();
- }
- else if(XMLString::compareIString(name, XMLUni::fgXercesUserAdoptsDOMDocument) == 0) {
- return fUserAdoptsDocument;
- }
- else {
- throw DOMException(DOMException::NOT_FOUND_ERR, 0);
- }
- return false;
- }
- bool DOMBuilderImpl::canSetFeature(const XMLCh* const name, const bool state) const
- {
- if ((XMLString::compareIString(name, XMLUni::fgDOMEntities) == 0) ||
- (XMLString::compareIString(name, XMLUni::fgDOMComments) == 0) ||
- (XMLString::compareIString(name, XMLUni::fgDOMDatatypeNormalization) == 0) ||
- (XMLString::compareIString(name, XMLUni::fgDOMNamespaces) == 0) ||
- (XMLString::compareIString(name, XMLUni::fgDOMValidation) == 0) ||
- (XMLString::compareIString(name, XMLUni::fgDOMValidateIfSchema) == 0) ||
- (XMLString::compareIString(name, XMLUni::fgDOMCharsetOverridesXMLEncoding) == 0) ||
- (XMLString::compareIString(name, XMLUni::fgDOMWhitespaceInElementContent) == 0) ||
- (XMLString::compareIString(name, XMLUni::fgXercesUserAdoptsDOMDocument) == 0) ||
- (XMLString::compareIString(name, XMLUni::fgXercesCalculateSrcOfs) == 0) ||
- (XMLString::compareIString(name, XMLUni::fgXercesStandardUriConformant) == 0)) {
- return true;
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMSupportedMediatypesOnly) == 0 ||
- XMLString::compareIString(name, XMLUni::fgDOMInfoset) == 0 ||
- XMLString::compareIString(name, XMLUni::fgDOMCanonicalForm) == 0 ) {
- if (!state)
- return true;
- }
- else if (XMLString::compareIString(name, XMLUni::fgDOMNamespaceDeclarations) == 0 ||
- XMLString::compareIString(name, XMLUni::fgDOMCDATASections) == 0 ) {
- if (state)
- return true;
- }
- else if ((XMLString::compareIString(name, XMLUni::fgXercesSchema) == 0) ||
- (XMLString::compareIString(name, XMLUni::fgXercesSchemaFullChecking) == 0) ||
- (XMLString::compareIString(name, XMLUni::fgXercesLoadExternalDTD) == 0) ||
- (XMLString::compareIString(name, XMLUni::fgXercesContinueAfterFatalError) == 0) ||
- (XMLString::compareIString(name, XMLUni::fgXercesValidationErrorAsFatal) == 0) ||
- (XMLString::compareIString(name, XMLUni::fgXercesCacheGrammarFromParse) == 0) ||
- (XMLString::compareIString(name, XMLUni::fgXercesUseCachedGrammarInParse) == 0)) {
- return true;
- }
- return false;
- }
- // ---------------------------------------------------------------------------
- // DOMBuilderImpl: Non standard extension
- // ---------------------------------------------------------------------------
- void DOMBuilderImpl::setProperty(const XMLCh* const name, void* value)
- {
- if (XMLString::compareIString(name, XMLUni::fgXercesSchemaExternalSchemaLocation) == 0)
- {
- setExternalSchemaLocation((XMLCh*)value);
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesSchemaExternalNoNameSpaceSchemaLocation) == 0)
- {
- setExternalNoNamespaceSchemaLocation((XMLCh*)value);
- }
- else if (XMLString::compareIString(name, XMLUni::fgXercesSecurityManager) == 0)
- {
- setSecurityManager((SecurityManager*)value);
- }
- else if (XMLString::equals(name, XMLUni::fgXercesScannerName))
- {
- AbstractDOMParser::useScanner((const XMLCh*) value);
- }
- else
- throw DOMException(DOMException::NOT_FOUND_ERR, 0);
- }
- void* DOMBuilderImpl::getProperty(const XMLCh* const name) const
- {
- if (XMLString::compareIString(name, XMLUni::fgXercesSchemaExternalSchemaLocation) == 0)
- return (void*)getExternalSchemaLocation();
- else if (XMLString::compareIString(name, XMLUni::fgXercesSchemaExternalNoNameSpaceSchemaLocation) == 0)
- return (void*)getExternalNoNamespaceSchemaLocation();
- else if (XMLString::compareIString(name, XMLUni::fgXercesSecurityManager) == 0)
- return (void*)getSecurityManager();
- else
- throw DOMException(DOMException::NOT_FOUND_ERR, 0);
- return 0;
- }
- void DOMBuilderImpl::release()
- {
- DOMBuilderImpl* builder = (DOMBuilderImpl*) this;
- delete builder;
- }
- void DOMBuilderImpl::resetDocumentPool()
- {
- resetPool();
- }
- // ---------------------------------------------------------------------------
- // DOMBuilderImpl: Parsing methods
- // ---------------------------------------------------------------------------
- DOMDocument* DOMBuilderImpl::parse(const DOMInputSource& source)
- {
- Wrapper4DOMInputSource isWrapper((DOMInputSource*) &source, false, getMemoryManager());
- AbstractDOMParser::parse(isWrapper);
- if (fUserAdoptsDocument)
- return adoptDocument();
- else
- return getDocument();
- }
- DOMDocument* DOMBuilderImpl::parseURI(const XMLCh* const systemId)
- {
- AbstractDOMParser::parse(systemId);
- if (fUserAdoptsDocument)
- return adoptDocument();
- else
- return getDocument();
- }
- DOMDocument* DOMBuilderImpl::parseURI(const char* const systemId)
- {
- AbstractDOMParser::parse(systemId);
- if (fUserAdoptsDocument)
- return adoptDocument();
- else
- return getDocument();
- }
- void DOMBuilderImpl::parseWithContext(const DOMInputSource& source,
- DOMNode* const contextNode,
- const short action)
- {
- throw DOMException(DOMException::NOT_SUPPORTED_ERR, 0);
- }
- // ---------------------------------------------------------------------------
- // DOMBuilderImpl: Implementation of the XMLErrorReporter interface
- // ---------------------------------------------------------------------------
- void DOMBuilderImpl::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)
- {
- if (fErrorHandler) {
- short severity = DOMError::DOM_SEVERITY_ERROR;
- if (errType == XMLErrorReporter::ErrType_Warning)
- severity = DOMError::DOM_SEVERITY_WARNING;
- else if (errType == XMLErrorReporter::ErrType_Fatal)
- severity = DOMError::DOM_SEVERITY_FATAL_ERROR;
- DOMLocatorImpl location((int)lineNum, (int) colNum, getCurrentNode(), systemId);
- DOMErrorImpl domError(severity, errorText, &location);
- // if user return false, we should stop the process, so throw an error
- if (!fErrorHandler->handleError(domError) && !getScanner()->getInException())
- throw (XMLErrs::Codes) code;
- }
- }
- void DOMBuilderImpl::resetErrors()
- {
- }
- // ---------------------------------------------------------------------------
- // DOMBuilderImpl: Implementation of XMLEntityHandler interface
- // ---------------------------------------------------------------------------
- InputSource*
- DOMBuilderImpl::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) {
- DOMInputSource* is = fEntityResolver->resolveEntity(publicId, systemId, baseURI);
- if (is)
- return new Wrapper4DOMInputSource(is, true, getMemoryManager());
- }
- return 0;
- }
- // ---------------------------------------------------------------------------
- // DOMBuilderImpl: Grammar preparsing methods
- // ---------------------------------------------------------------------------
- Grammar* DOMBuilderImpl::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);
- // Release DOM tree - DTD
- DOMDocument* doc = adoptDocument();
- if (doc)
- doc->release();
- setParseInProgress(false);
- }
- catch(...)
- {
- setParseInProgress(false);
- throw;
- }
- return grammar;
- }
- Grammar* DOMBuilderImpl::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);
- // Release DOM tree - DTD
- DOMDocument* doc = adoptDocument();
- if (doc)
- doc->release();
- setParseInProgress(false);
- }
- catch(...)
- {
- setParseInProgress(false);
- throw;
- }
- return grammar;
- }
- Grammar* DOMBuilderImpl::loadGrammar(const DOMInputSource& source,
- const short grammarType,
- const bool toCache)
- {
- // Avoid multiple entrance
- if (getParseInProgress())
- ThrowXML(IOException, XMLExcepts::Gen_ParseInProgress);
- Grammar* grammar = 0;
- try
- {
- Wrapper4DOMInputSource isWrapper((DOMInputSource*) &source, false, getMemoryManager());
- setParseInProgress(true);
- grammar = getScanner()->loadGrammar(isWrapper, grammarType, toCache);
- // Release DOM tree - DTD
- DOMDocument* doc = adoptDocument();
- if (doc)
- doc->release();
- setParseInProgress(false);
- }
- catch(...)
- {
- setParseInProgress(false);
- throw;
- }
- return grammar;
- }
- void DOMBuilderImpl::resetCachedGrammarPool()
- {
- getGrammarResolver()->resetCachedGrammar();
- }
- Grammar* DOMBuilderImpl::getGrammar(const XMLCh* const nameSpaceKey) const
- {
- return getGrammarResolver()->getGrammar(nameSpaceKey);
- }
- Grammar* DOMBuilderImpl::getRootGrammar() const
- {
- return getScanner()->getRootGrammar();
- }
- const XMLCh* DOMBuilderImpl::getURIText(unsigned int uriId) const
- {
- return getScanner()->getURIText(uriId);
- }
- unsigned int DOMBuilderImpl::getSrcOffset() const
- {
- return getScanner()->getSrcOffset();
- }
- XERCES_CPP_NAMESPACE_END