cvs commit: xml-xerces/c/samples/CreateDOMDocument CreateDOMDocument.cpp

[ra...@locus.apache.org]

rahulj      00/01/18 15:22:18

  Added:       c/samples/CreateDOMDocument CreateDOMDocument.cpp
  Log:
  Added new sample to illustrate how to create a DOM tree in
  memory.
  
  Revision  Changes    Path
  1.1                  xml-xerces/c/samples/CreateDOMDocument/CreateDOMDocument.cpp
  
  Index: CreateDOMDocument.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 "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/>.
   */
  
  /**
   * $Log: CreateDOMDocument.cpp,v $
   * Revision 1.1  2000/01/18 23:22:18  rahulj
   * Added new sample to illustrate how to create a DOM tree in
   * memory.
   *
   */
  
  /*
   * This sample illustrates how you can create a DOM tree in memory.
   * It then prints the count of elements in the tree.
   */
  
  
  // ---------------------------------------------------------------------------
  //  Includes
  // ---------------------------------------------------------------------------
  #include <util/PlatformUtils.hpp>
  #include <util/XMLString.hpp>
  #include <dom/DOM.hpp>
  #include <iostream.h>
  
  
  
  // ---------------------------------------------------------------------------
  //
  //  main
  //
  // ---------------------------------------------------------------------------
  int main(int argC, char* argV[])
  {
      // Initialize the XML4C2 system.
      try
      {
          XMLPlatformUtils::Initialize();
      }
  
      catch(const XMLException& toCatch)
      {
          char *pMsg = XMLString::transcode(toCatch.getMessage());
          cerr << "Error during Xerces-c Initialization.\n"
               << "  Exception message:"
               << pMsg;
          delete pMsg;
          return 1;
      }
  
      // Watch for special case help request
      if (argC > 1)
      {
          cout << "\nUsage: NewDOMInMem\n"
              "   This program creates a new DOM document from scratch in memory.\n"
              "   It then prints the count of elements in the tree.\n"
              "     -?          Show this help (must be the only parameter)\n"
              <<  endl;
          return 0;
      }
  
      //  The tree we create below is the same that the DOMParser would
      //  have created, except that no whitespace text nodes would be created.
  
      // <company>
      //     <product>Xerces-C</product>
      //     <category idea='great'>XML Parsing Tools</category>
      //     <developedBy>Apache Software Foundation</developedBy>
      // </company>
  
      DOM_DOMImplementation impl;
      
      DOM_Document doc = impl.createDocument(
                  0,                    // root element namespace URI.
                  "company",            // root element name
                  DOM_DocumentType());  // document type object (DTD).
  
      DOM_Element rootElem = doc.getDocumentElement();
  
      DOMString   prodElemName("product");
      DOM_Element  prodElem = doc.createElement(prodElemName);
      rootElem.appendChild(prodElem);
  
      DOMString   prodDataValStr("Xerces-C");
      DOM_Text    prodDataVal = doc.createTextNode(prodDataValStr);
      prodElem.appendChild(prodDataVal);
  
      DOMString   catElemName("category");
      DOM_Element  catElem = doc.createElement(catElemName);
      rootElem.appendChild(catElem);
      DOMString   ideaAttrName("idea");
      DOMString   ideaAttrValue("great");
      catElem.setAttribute(ideaAttrName, ideaAttrValue);
  
      DOMString   catDataValStr("XML Parsing Tools");
      DOM_Text    catDataVal = doc.createTextNode(catDataValStr);
      catElem.appendChild(catDataVal);
  
      DOMString   devByElemName("developedBy");
      DOM_Element  devByElem = doc.createElement(devByElemName);
      rootElem.appendChild(devByElem);
      
      DOMString   devByDataValStr("Apache Software Foundation");
      DOM_Text    devByDataVal = doc.createTextNode(devByDataValStr);
      devByElem.appendChild(devByDataVal);
  
      unsigned int elementCount = doc.getElementsByTagName("*").getLength();
  
      // Print out the stats that we collected and time taken.
      cout << "The tree just created contains: " << elementCount
           << " elements." << endl;
  
      //
  	//  The DOM document and its contents are reference counted, and need
  	//	no explicit deletion.
      //
      return 0;
  }