| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 1999 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) 1999, 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. |
| * |
| * $Log$ |
| * Revision 1.1 1999/11/09 01:07:49 twl |
| * Initial revision |
| * |
| * Revision 1.7 1999/11/08 20:44:52 rahul |
| * Swat for adding in Product name and CVS comment log variable. |
| * |
| */ |
| |
| |
| |
| // --------------------------------------------------------------------------- |
| // Includes |
| // --------------------------------------------------------------------------- |
| #include <sax/EntityResolver.hpp> |
| #include <sax/ErrorHandler.hpp> |
| #include <sax/SAXParseException.hpp> |
| #include <framework/XMLNotationDecl.hpp> |
| #include <util/IOException.hpp> |
| #include <internal/URLInputSource.hpp> |
| #include <internal/XMLScanner.hpp> |
| #include <validators/DTD/DTDValidator.hpp> |
| #include <parsers/DOMParser.hpp> |
| |
| |
| // --------------------------------------------------------------------------- |
| // DOMParser: Constructors and Destructor |
| // --------------------------------------------------------------------------- |
| DOMParser::DOMParser(XMLValidator* const valToAdopt) : |
| |
| fErrorHandler(0) |
| , fEntityResolver(0) |
| , fExpandEntityReferences(false) |
| , fNodeStack(0) |
| , fScanner(0) |
| , fValidator(valToAdopt) |
| { |
| |
| // Create the validator if one was not provided |
| if (!fValidator) |
| fValidator = new DTDValidator; |
| |
| // |
| // Create a scanner and tell it what validator to use. Then set us |
| // as the document event handler so we can fill the DOM document. |
| // |
| fScanner = new XMLScanner(fValidator); |
| fScanner->setDocHandler(this); |
| |
| fNodeStack = new ValueStackOf<DOM_Node>(64); |
| this->reset(); |
| |
| |
| } |
| |
| |
| DOMParser::~DOMParser() |
| { |
| delete fNodeStack; |
| delete fScanner; |
| delete fValidator; |
| } |
| |
| |
| void DOMParser::reset() |
| { |
| fDocument = DOM_Document::createDocument(); |
| // Note: DOM Documents are reference counted. Doing this |
| // assignment will cause the old one to go away unless |
| // application code is also holding a reference to it. |
| fCurrentParent = 0; |
| fCurrentNode = 0; |
| fParseInProgress = false; |
| fWithinElement = false; |
| fNodeStack->removeAllElements(); |
| }; |
| |
| |
| |
| // --------------------------------------------------------------------------- |
| // DOMParser: Getter methods |
| // --------------------------------------------------------------------------- |
| inline const XMLValidator& DOMParser::getValidator() const |
| { |
| return *fValidator; |
| } |
| |
| |
| // --------------------------------------------------------------------------- |
| // DOMParser: Setter methods |
| // --------------------------------------------------------------------------- |
| void DOMParser::setDoNamespaces(const bool newState) |
| { |
| fScanner->setDoNamespaces(newState); |
| } |
| |
| void DOMParser::setDoValidation(const bool newState) |
| { |
| fScanner->setDoValidation(newState); |
| } |
| |
| void DOMParser::setErrorHandler(ErrorHandler* const handler) |
| { |
| fErrorHandler = handler; |
| if (fErrorHandler) |
| { |
| fScanner->setErrorReporter(this); |
| fValidator->setErrorReporter(this); |
| } |
| else |
| { |
| fScanner->setErrorReporter(0); |
| fValidator->setErrorReporter(0); |
| } |
| } |
| |
| void DOMParser::setEntityResolver(EntityResolver* const handler) |
| { |
| fEntityResolver = handler; |
| if (fEntityResolver) |
| fScanner->setEntityHandler(this); |
| else |
| fScanner->setEntityHandler(0); |
| } |
| |
| void DOMParser::setExitOnFirstFatalError(const bool newState) |
| { |
| fScanner->setExitOnFirstFatal(newState); |
| } |
| |
| |
| // --------------------------------------------------------------------------- |
| // DOMParser: Parsing methods |
| // --------------------------------------------------------------------------- |
| void DOMParser::parse(const InputSource& source, const bool reuseValidator) |
| { |
| // Avoid multiple entrance |
| if (fParseInProgress) |
| ThrowXML(IOException, XML4CExcepts::Gen_ParseInProgress); |
| |
| try |
| { |
| fParseInProgress = true; |
| fScanner->scanDocument(source, reuseValidator); |
| fParseInProgress = false; |
| } |
| |
| catch(const SAXException&) |
| { |
| fParseInProgress = false; |
| throw; |
| } |
| |
| catch(const XMLException&) |
| { |
| fParseInProgress = false; |
| throw; |
| } |
| } |
| |
| void DOMParser::parse(const XMLCh* const systemId, const bool reuseValidator) |
| { |
| // Just call the URL input source version |
| parse(URLInputSource(systemId), reuseValidator); |
| } |
| |
| void DOMParser::parse(const char* const systemId, const bool reuseValidator) |
| { |
| // Just call the URL input source version |
| parse(URLInputSource(systemId), reuseValidator); |
| } |
| |
| |
| |
| // --------------------------------------------------------------------------- |
| // DOMParser: Progressive parse methods |
| // --------------------------------------------------------------------------- |
| bool DOMParser::parseFirst( const XMLCh* const systemId |
| , XMLPScanToken& toFill |
| , const bool reuseValidator) |
| { |
| // Call the other version with a URL input source |
| return parseFirst(URLInputSource(systemId), toFill, reuseValidator); |
| } |
| |
| bool DOMParser::parseFirst( const char* const systemId |
| , XMLPScanToken& toFill |
| , const bool reuseValidator) |
| { |
| // Call the other version with a URL input source |
| return parseFirst(URLInputSource(systemId), toFill, reuseValidator); |
| } |
| |
| bool DOMParser::parseFirst( const InputSource& source |
| , XMLPScanToken& toFill |
| , const bool reuseValidator) |
| { |
| // |
| // Avoid multiple entrance. We cannot enter here while a regular parse |
| // is in progress. |
| // |
| if (fParseInProgress) |
| ThrowXML(IOException, XML4CExcepts::Gen_ParseInProgress); |
| |
| return fScanner->scanFirst(source, toFill, reuseValidator); |
| } |
| |
| bool DOMParser::parseNext(XMLPScanToken& token) |
| { |
| return fScanner->scanNext(token); |
| } |
| |
| |
| |
| // --------------------------------------------------------------------------- |
| // DOMParser: Implementation of the XMLErrorReporter interface |
| // --------------------------------------------------------------------------- |
| void DOMParser::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 unsigned int lineNum |
| , const unsigned int 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 DOMParser::resetErrors() |
| { |
| } |
| |
| |
| |
| // --------------------------------------------------------------------------- |
| // DOMParser: Implementation of XMLEntityHandler interface |
| // --------------------------------------------------------------------------- |
| InputSource* |
| DOMParser::resolveEntity(const XMLCh* const publicId, const XMLCh* const systemId) |
| { |
| // |
| // 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; |
| } |
| |
| |
| |
| // --------------------------------------------------------------------------- |
| // DOMParser: Implementation of XMLDocumentHandler interface |
| // --------------------------------------------------------------------------- |
| void DOMParser::docCharacters( const XMLCh* const chars |
| , const unsigned int length |
| , const bool cdataSection) |
| { |
| // Ignore chars outside of content |
| if (!fWithinElement) |
| return; |
| |
| if (cdataSection == true) |
| { |
| DOM_CDATASection node = fDocument.createCDATASection |
| ( |
| DOMString(chars, length) |
| ); |
| fCurrentParent.appendChild(node); |
| fCurrentNode = node; |
| } |
| else |
| { |
| if (fCurrentNode.getNodeType() == DOM_Node::TEXT_NODE) |
| { |
| DOM_Text node = (DOM_Text&)fCurrentNode; |
| node.appendData(DOMString(chars, length)); |
| } |
| else |
| { |
| DOM_Text node = fDocument.createTextNode(DOMString(chars, length)); |
| fCurrentParent.appendChild(node); |
| fCurrentNode = node; |
| } |
| } |
| } |
| |
| |
| void DOMParser::docComment(const XMLCh* const comment) |
| { |
| DOM_Comment dcom = fDocument.createComment(comment); |
| fCurrentParent.appendChild(dcom); |
| fCurrentNode = dcom; |
| } |
| |
| |
| void DOMParser::docPI( const XMLCh* const target |
| , const XMLCh* const data) |
| { |
| DOM_ProcessingInstruction pi = fDocument.createProcessingInstruction |
| ( |
| target |
| , data |
| ); |
| fCurrentParent.appendChild(pi); |
| fCurrentNode = pi; |
| } |
| |
| |
| void DOMParser::endEntityReference(const XMLEntityDecl& entDecl) |
| { |
| if (fExpandEntityReferences == true) |
| { |
| fCurrentParent = fNodeStack->pop(); |
| fCurrentNode = fCurrentParent; |
| } |
| } |
| |
| |
| void DOMParser::endElement( const XMLElementDecl& elemDecl |
| , const unsigned int urlId |
| , const bool isRoot) |
| { |
| fCurrentNode = fCurrentParent; |
| fCurrentParent = fNodeStack->pop(); |
| |
| // If we've hit the end of content, clear the flag |
| if (fNodeStack->empty()) |
| fWithinElement = false; |
| } |
| |
| |
| void DOMParser::ignorableWhitespace(const XMLCh* const chars |
| , const unsigned int length |
| , const bool cdataSection) |
| { |
| // Ignore chars before the root element |
| if (!fWithinElement) |
| return; |
| |
| if (fCurrentNode.getNodeType() == DOM_Node::TEXT_NODE) |
| { |
| DOM_Text node = (DOM_Text&)fCurrentNode; |
| node.appendData(DOMString(chars, length)); |
| } |
| else |
| { |
| DOM_Text node = fDocument.createTextNode(DOMString(chars, length)); |
| fCurrentParent.appendChild(node); |
| fCurrentNode = node; |
| } |
| } |
| |
| |
| void DOMParser::resetDocument() |
| { |
| // |
| // The reset methods are called before a new parse event occurs. |
| // Reset this parsers state to clear out anything that may be left |
| // from a previous use, in particular the DOM document itself. |
| // |
| this->reset(); |
| } |
| |
| |
| void DOMParser::startDocument() |
| { |
| // Just set the document as the current parent and current node |
| fCurrentParent = fDocument; |
| fCurrentNode = fDocument; |
| } |
| |
| |
| void DOMParser::startElement(const XMLElementDecl& elemDecl |
| , const unsigned int urlId |
| , const XMLCh* const elemPrefix |
| , const RefVectorOf<XMLAttr>& attrList |
| , const unsigned int attrCount |
| , const bool isEmpty |
| , const bool isRoot) |
| { |
| DOM_Element elem; |
| if (fScanner -> getDoNamespaces()) { //DOM Level 2, doNamespaces on |
| unsigned int globalNSid = fValidator -> getGlobalNamespaceId(); |
| XMLBuffer buf; |
| DOMString namespaceURI = 0; |
| if (urlId != globalNSid) { //TagName has prefix |
| fValidator -> getURIText(urlId, buf); //get namespaceURI |
| namespaceURI = DOMString(buf.getRawBuffer()); |
| } |
| elem = fDocument.createElementNS(namespaceURI, elemDecl.getFullName()); |
| for (unsigned int index = 0; index < attrCount; ++index) { |
| const XMLAttr* oneAttrib = attrList.elementAt(index); |
| unsigned int attrURIId = oneAttrib -> getURIId(); |
| namespaceURI = 0; |
| if (attrURIId != globalNSid) { //Attribute Name has prefix |
| fValidator -> getURIText(attrURIId, buf); //get namespaceURI |
| namespaceURI = DOMString(buf.getRawBuffer()); |
| } |
| elem.setAttributeNS(namespaceURI, oneAttrib -> getQName(), |
| oneAttrib -> getValue()); |
| } |
| } else { //DOM Level 1 |
| elem = fDocument.createElement(elemDecl.getFullName()); |
| for (unsigned int index = 0; index < attrCount; ++index) { |
| const XMLAttr* oneAttrib = attrList.elementAt(index); |
| elem.setAttribute(oneAttrib->getName(), oneAttrib->getValue()); |
| } |
| } |
| |
| fCurrentParent.appendChild(elem); |
| fNodeStack->push(fCurrentParent); |
| fCurrentParent = elem; |
| fCurrentNode = elem; |
| fWithinElement = true; |
| |
| // If an empty element, do end right now (no endElement() will be called) |
| if (isEmpty) |
| endElement(elemDecl, urlId, isRoot); |
| } |
| |
| |
| void DOMParser::startEntityReference(const XMLEntityDecl& entDecl) |
| { |
| if (fExpandEntityReferences == true) |
| { |
| DOM_EntityReference er = fDocument.createEntityReference |
| ( |
| DOMString(entDecl.getName()) |
| ); |
| fCurrentParent.appendChild(er); |
| fNodeStack->push(fCurrentParent); |
| fCurrentParent = er; |
| fCurrentNode = er; |
| } |
| } |
| |
| |
| void DOMParser::XMLDecl(const XMLCh* const |
| , const XMLCh* const |
| , const XMLCh* const |
| , const XMLCh* const) |
| { |
| // This is not used by DOM at this time |
| } |
