CreateDOMDocument.cpp
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- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 1999-2001 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) 1999, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Id: CreateDOMDocument.cpp,v 1.15 2003/02/05 18:53:22 tng Exp $
- */
- /*
- * This sample illustrates how you can create a DOM tree in memory.
- * It then prints the count of elements in the tree.
- */
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #include <xercesc/util/PlatformUtils.hpp>
- #include <xercesc/util/XMLString.hpp>
- #include <xercesc/dom/DOM.hpp>
- #include <iostream.h>
- XERCES_CPP_NAMESPACE_USE
- // ---------------------------------------------------------------------------
- // This is a simple class that lets us do easy (though not terribly efficient)
- // trancoding of char* data to XMLCh data.
- // ---------------------------------------------------------------------------
- class XStr
- {
- public :
- // -----------------------------------------------------------------------
- // Constructors and Destructor
- // -----------------------------------------------------------------------
- XStr(const char* const toTranscode)
- {
- // Call the private transcoding method
- fUnicodeForm = XMLString::transcode(toTranscode);
- }
- ~XStr()
- {
- XMLString::release(&fUnicodeForm);
- }
- // -----------------------------------------------------------------------
- // Getter methods
- // -----------------------------------------------------------------------
- const XMLCh* unicodeForm() const
- {
- return fUnicodeForm;
- }
- private :
- // -----------------------------------------------------------------------
- // Private data members
- //
- // fUnicodeForm
- // This is the Unicode XMLCh format of the string.
- // -----------------------------------------------------------------------
- XMLCh* fUnicodeForm;
- };
- #define X(str) XStr(str).unicodeForm()
- // ---------------------------------------------------------------------------
- // 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;
- XMLString::release(&pMsg);
- return 1;
- }
- // Watch for special case help request
- if (argC > 1)
- {
- cout << "nUsage:n"
- " CreateDOMDocumentnn"
- "This program creates a new DOM document from scratch in memory.n"
- "It then prints the count of elements in the tree.n"
- << endl;
- XMLPlatformUtils::Terminate();
- return 1;
- }
- {
- // Nest entire test in an inner block.
- // The tree we create below is the same that the XercesDOMParser 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>
- DOMImplementation* impl = DOMImplementationRegistry::getDOMImplementation(X("Core"));
- DOMDocument* doc = impl->createDocument(
- 0, // root element namespace URI.
- X("company"), // root element name
- 0); // document type object (DTD).
- DOMElement* rootElem = doc->getDocumentElement();
- DOMElement* prodElem = doc->createElement(X("product"));
- rootElem->appendChild(prodElem);
- DOMText* prodDataVal = doc->createTextNode(X("Xerces-C"));
- prodElem->appendChild(prodDataVal);
- DOMElement* catElem = doc->createElement(X("category"));
- rootElem->appendChild(catElem);
- catElem->setAttribute(X("idea"), X("great"));
- DOMText* catDataVal = doc->createTextNode(X("XML Parsing Tools"));
- catElem->appendChild(catDataVal);
- DOMElement* devByElem = doc->createElement(X("developedBy"));
- rootElem->appendChild(devByElem);
- DOMText* devByDataVal = doc->createTextNode(X("Apache Software Foundation"));
- devByElem->appendChild(devByDataVal);
- //
- // Now count the number of elements in the above DOM tree.
- //
- unsigned int elementCount = doc->getElementsByTagName(X("*"))->getLength();
- cout << "The tree just created contains: " << elementCount
- << " elements." << endl;
- doc->release();
- }
- XMLPlatformUtils::Terminate();
- return 0;
- }