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From blaut...@apache.org
Subject cvs commit: xml-security/c/src/transformers TXFMParser.hpp TXFMParser.cpp
Date Mon, 17 Feb 2003 11:20:04 GMT
blautenb    2003/02/17 03:20:04

  Added:       c/src/transformers TXFMParser.hpp TXFMParser.cpp
  Log:
  Parser Transformer to convert a BYTE_STREAM to DOM_NODES
  
  Revision  Changes    Path
  1.1                  xml-security/c/src/transformers/TXFMParser.hpp
  
  Index: TXFMParser.hpp
  ===================================================================
  /*
   * 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 "<WebSig>" 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, Institute for
   * Data Communications Systems, <http://www.nue.et-inf.uni-siegen.de/>.
   * The development of this software was partly funded by the European 
   * Commission in the <WebSig> project in the ISIS Programme. 
   * For more information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  /*
   * XSEC
   *
   * TXFMParser := A transformer used to transform a byte stream to DOM Nodes
   *
   * Author(s): Berin Lautenbach
   *
   * $Id: TXFMParser.hpp,v 1.1 2003/02/17 11:20:03 blautenb Exp $
   *
   * $Log: TXFMParser.hpp,v $
   * Revision 1.1  2003/02/17 11:20:03  blautenb
   * Parser Transformer to convert a BYTE_STREAM to DOM_NODES
   *
   *
   */
  
  #ifndef TXFMPARSER_INCLUDE
  #define TXFMPARSER_INCLUDE
  
  #include <xsec/transformers/TXFMBase.hpp>
  
  class DSIG_EXPORT TXFMParser : public TXFMBase {
  
  public:
  
  	// Constructors and destructors
  
  	TXFMParser(DOMDocument *);
  	~TXFMParser();
  
  	// Methods to get tranform output type and input requirement
  
  	virtual TXFMBase::ioType getInputType(void);
  	virtual TXFMBase::ioType getOutputType(void);
  	virtual nodeType getNodeType(void);
  
  	// Methods to set input data
  
  	virtual void setInput(TXFMBase * newInput);
  
  	// Methods to get output data
  
  	virtual unsigned int readBytes(XMLByte * const toFill, const unsigned int maxToFill);
  	virtual DOMDocument *getDocument();
  	virtual DOMNode *getFragmentNode();
  	virtual const XMLCh * getFragmentId();
  
  	// Name space management
  	virtual bool nameSpacesExpanded(void);
  	virtual void expandNameSpaces(void);
  
  	
  private:
  	
  	TXFMParser();
  
  	DOMDocument			* mp_parsedDoc;
  
  };
  
  #endif /* #define TXFMPARSER_INCLUDE */
  
  
  
  1.1                  xml-security/c/src/transformers/TXFMParser.cpp
  
  Index: TXFMParser.cpp
  ===================================================================
  /*
   * 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 "<WebSig>" 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, Institute for
   * Data Communications Systems, <http://www.nue.et-inf.uni-siegen.de/>.
   * The development of this software was partly funded by the European 
   * Commission in the <WebSig> project in the ISIS Programme. 
   * For more information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  /*
   * XSEC
   *
   * TXFMParser := A transformer used to transform a byte stream to DOM Nodes
   *
   * Author(s): Berin Lautenbach
   *
   * $Id: TXFMParser.cpp,v 1.1 2003/02/17 11:20:03 blautenb Exp $
   *
   * $Log: TXFMParser.cpp,v $
   * Revision 1.1  2003/02/17 11:20:03  blautenb
   * Parser Transformer to convert a BYTE_STREAM to DOM_NODES
   *
   *
   */
  
  #include <xsec/transformers/TXFMParser.hpp>
  #include <xsec/utils/XSECPlatformUtils.hpp>
  #include <xsec/framework/XSECError.hpp>
  #include <xsec/utils/XSECTXFMInputSource.hpp>
  
  #include <xercesc/parsers/XercesDOMParser.hpp>
  #include <xercesc/framework/MemBufInputSource.hpp>
  
  XSEC_USING_XERCES(XercesDOMParser);
  XSEC_USING_XERCES(MemBufInputSource);
  
  
  
  TXFMParser::TXFMParser(DOMDocument * doc) : 
  TXFMBase(doc),
  mp_parsedDoc(NULL) {
  
  
  };
  
  TXFMParser::~TXFMParser() {
  
  	if (mp_parsedDoc != NULL) {
  
  		if (mp_nse != NULL) {
  			delete mp_nse;	// Don't bother collapsing
  			mp_nse = NULL;
  		}
  
  		mp_parsedDoc->release();
  
  	}
  
  	mp_parsedDoc = NULL;
  
  
  };
  
  // -----------------------------------------------------------------------
  //  For expanding name spaces when necessary
  // -----------------------------------------------------------------------
  
  bool TXFMParser::nameSpacesExpanded(void) {
  
  	// NOTE : Do not check inputs as this has its own document
  
  	return (mp_nse != NULL);
  
  }
  
  void TXFMParser::expandNameSpaces(void) {
  
  	if (mp_nse != NULL)
  		return;		// Already done
  	
  	if (mp_parsedDoc != NULL) {
  
  		XSECnew(mp_nse, XSECNameSpaceExpander(mp_parsedDoc));
  
  		mp_nse->expandNameSpaces();
  
  	}
  
  }
  
  // -----------------------------------------------------------------------
  //  Worker function
  // -----------------------------------------------------------------------
  
  void TXFMParser::setInput(TXFMBase *newInput) {
  
  	// This transformer terminates all previous inputs and deletes
  	// the chain.
  
  	input = newInput;
  
  	// Create a InputStream
  	XSECTXFMInputSource is(newInput, false);
  
  	// Create a XercesParser and parse!
  	XercesDOMParser parser;
  
  	parser.setDoNamespaces(true);
  	parser.setCreateEntityReferenceNodes(true);
  	parser.setDoSchema(true);
  
  	int errorCount = 0;
  
  	parser.parse(is);
      errorCount = parser.getErrorCount();
      if (errorCount > 0)
  		throw XSECException(XSECException::XSLError, "Errors occured parsing BYTE STREAM");
  
      mp_parsedDoc = parser.adoptDocument();
  
  	// Clean up
  
  	keepComments = newInput->getCommentsStatus();
  
  }
  
  	// Methods to get tranform output type and input requirement
  
  TXFMBase::ioType TXFMParser::getInputType(void) {
  
  	return TXFMBase::BYTE_STREAM;
  
  }
  TXFMBase::ioType TXFMParser::getOutputType(void) {
  
  	return TXFMBase::DOM_NODES;
  
  }
  
  
  TXFMBase::nodeType TXFMParser::getNodeType(void) {
  
  	return TXFMBase::DOM_NODE_DOCUMENT;
  
  }
  
  	// Methods to get output data
  
  unsigned int TXFMParser::readBytes(XMLByte * const toFill, unsigned int maxToFill) {
  	
  	return 0;
  
  }
  
  DOMDocument *TXFMParser::getDocument() {
  
  	return mp_parsedDoc;
  
  }
  
  DOMNode * TXFMParser::getFragmentNode() {
  
  	return NULL;		// Return a null node
  
  }
  
  const XMLCh * TXFMParser::getFragmentId() {
  
  	return NULL;	// Empty string
  
  }
  
  
  

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