dbertoni    2003/04/29 16:33:12

  Added:       c/src/DOMSupport XalanDocumentPrefixResolver.cpp
                        XalanDocumentPrefixResolver.hpp
  Log:
  Initial revision.
  
  Revision  Changes    Path
  1.1                  
xml-xalan/c/src/DOMSupport/XalanDocumentPrefixResolver.cpp
  
  Index: XalanDocumentPrefixResolver.cpp
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   *
   * Copyright (c) 1999-2003 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 "Xalan" 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 [EMAIL PROTECTED]
   *
   * 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/>.
   */
  // Class header file...
  #include "XalanDocumentPrefixResolver.hpp"
  
  
  
  #include <XalanDOM/XalanAttr.hpp>
  #include <XalanDOM/XalanElement.hpp>
  #include <XalanDOM/XalanNamedNodeMap.hpp>
  
  
  
  #include <DOMSupport/DOMServices.hpp>
  
  
  
  XALAN_CPP_NAMESPACE_BEGIN
  
  
  
  XalanDocumentPrefixResolver::XalanDocumentPrefixResolver(
                        const XalanDocument*    theDocument,
                        const XalanDOMString&   theURI) :
        m_namespaces(),
        m_uri(theURI)
  {
        assert(theDocument != 0);
  
        NamespaceNodesTreeWalker        theWalker(m_namespaces);
  
        theWalker.traverse(theDocument);
  }
  
  
  
  XalanDocumentPrefixResolver::~XalanDocumentPrefixResolver()
  {
  }
  
  
  
  const XalanDOMString*
  XalanDocumentPrefixResolver::getNamespaceForPrefix(const XalanDOMString&      
prefix) const
  {
        const NamespacesMapType::const_iterator         i = 
m_namespaces.find(&prefix);
  
        if (i == m_namespaces.end())
        {
                return 0;
        }
        else
        {
                const AttributeVectorType&      theVector = (*i).second;
                assert(theVector.size() > 0);
  
                if (theVector.size() == 1)
                {
                        assert(theVector.front() != 0);
  
                        return &(theVector.front()->getNodeValue());
                }
                else
                {
                        return duplicateBinding(theVector);
                }
        }
  }
  
  
  
  const XalanDOMString&
  XalanDocumentPrefixResolver::getURI() const
  {
        return m_uri;
  }
  
  
  
  const XalanDOMString*
  XalanDocumentPrefixResolver::duplicateBinding(const AttributeVectorType&      
theVector) const
  {
        assert(theVector.front() != 0);
  
        return &(theVector.front()->getNodeValue());
  }
  
  
  
  
XalanDocumentPrefixResolver::NamespaceNodesTreeWalker::NamespaceNodesTreeWalker(NamespacesMapType&
    theMap) :
        TreeWalker(),
        m_map(theMap)
  {
  }
  
  
  
  
XalanDocumentPrefixResolver::NamespaceNodesTreeWalker::~NamespaceNodesTreeWalker()
  {
  }
  
  
  
  bool
  XalanDocumentPrefixResolver::NamespaceNodesTreeWalker::startNode(const 
XalanNode*     node)
  {
        assert(node != 0);
  
        switch(node->getNodeType())
        {
        case XalanNode::ELEMENT_NODE:
                {
                        const XalanElement*     theElementNode =
  #if defined(XALAN_OLD_STYLE_CASTS)
                                (const XalanElement*)node;
  #else
                                static_cast<const XalanElement*>(node);
  #endif
  
                        const XalanNamedNodeMap* const  atts = 
theElementNode->getAttributes();
                        assert(atts != 0);
  
                        const unsigned int      theSize = atts->getLength();
  
                        for (unsigned int i = 0; i < theSize; ++i)
                        {
                                assert(atts->item(i) != 0 && 
atts->item(i)->getNodeType() == XalanNode::ATTRIBUTE_NODE);
  
                                const XalanAttr* const  theAttr =
  #if defined(XALAN_OLD_STYLE_CASTS)
                                        (const XalanAttr*)atts->item(i);
  #else
                                        static_cast<const 
XalanAttr*>(atts->item(i));
  #endif
  
                                if 
(DOMServices::isNamespaceDeclaration(*theAttr) == true)
                                {
                                        
m_map[&theAttr->getLocalName()].push_back(theAttr);
                                }
                        }
                }
                break;
  
        default:
                // Do nothing...
                break;
        }
  
        return false;
  }
  
  
  
  bool
  XalanDocumentPrefixResolver::NamespaceNodesTreeWalker::startNode(XalanNode*   
        node)
  {
        assert(node != 0);
  
  #if defined(XALAN_OLD_STYLE_CASTS)
        return startNode((const XalanNode*)node);
  #else
        return startNode(const_cast<const XalanNode*>(node));
  #endif
  }
  
  
  
  bool
  XalanDocumentPrefixResolver::NamespaceNodesTreeWalker::endNode(const 
XalanNode*               /* node */)
  {
        return false;
  }
  
  
  
  bool
  XalanDocumentPrefixResolver::NamespaceNodesTreeWalker::endNode(XalanNode*     
/* node */)
  {
        return false;
  }
  
  
  
  XALAN_CPP_NAMESPACE_END
  
  
  
  1.1                  
xml-xalan/c/src/DOMSupport/XalanDocumentPrefixResolver.hpp
  
  Index: XalanDocumentPrefixResolver.hpp
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   *
   * Copyright (c) 1999-2003 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 "Xalan" 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 [EMAIL PROTECTED]
   *
   * 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/>.
   */
  #if !defined(XALANDOCUMENTPREFIXRESOLVER_HEADER_GUARD_1357924680)
  #define XALANDOCUMENTPREFIXRESOLVER_HEADER_GUARD_1357924680
  
  
  
  // Base include file.  Must be first.
  #include <DOMSupport/DOMSupportDefinitions.hpp>
  
  
  
  #include <map>
  #include <vector>
  
  
  
  #include <XalanDOM/XalanDOMString.hpp>
  
  
  
  #include <PlatformSupport/PrefixResolver.hpp>
  #include <PlatformSupport/DOMStringHelper.hpp>
  
  
  
  #include <include/STLHelper.hpp>
  
  
  
  #include <DOMSupport/TreeWalker.hpp>
  
  
  
  XALAN_CPP_NAMESPACE_BEGIN
  
  
  
  class XalanAttr;
  class XalanDocument;
  
  
  
  class XALAN_DOMSUPPORT_EXPORT XalanDocumentPrefixResolver : public 
PrefixResolver
  {
  public:
  
  #if defined(XALAN_NO_STD_NAMESPACE)
        typedef vector<const XalanNode*>                                        
AttributeVectorType;
  
        typedef map<const XalanDOMString*,
                                AttributeVectorType,
                                pointer_less<XalanDOMString> >                  
NamespacesMapType;
  #else
        typedef std::vector<const XalanNode*>                           
AttributeVectorType;
  
        typedef std::map<const XalanDOMString*,
                                         AttributeVectorType,
                                         pointer_less<XalanDOMString> >         
NamespacesMapType;
  #endif
  
        /**
         * Constructor.
         *
         * @param theDocument The XalanDocument instance to use for namespace 
bindings.
         * @param theURI The base URI for the instance.  This is rarely needed, 
but can be provided if the URI for the XalanDocument instance is known.
         */
        XalanDocumentPrefixResolver(
                        const XalanDocument*    theDocument,
                        const XalanDOMString&   theURI = XalanDOMString());
  
        virtual
        ~XalanDocumentPrefixResolver();
  
  
        virtual const XalanDOMString*
        getNamespaceForPrefix(const XalanDOMString&             prefix) const;
  
        virtual const XalanDOMString&
        getURI() const;
  
        /**
         * A utility class to walk the XalanDocument instance and look for 
attribute nodes that declare namespaces.
         */
        class NamespaceNodesTreeWalker : public TreeWalker
        {
        public:
  
                NamespaceNodesTreeWalker(NamespacesMapType&             theMap);
  
                virtual
                ~NamespaceNodesTreeWalker();
  
        protected:
  
                virtual bool
                startNode(const XalanNode*      node);
  
                virtual bool
                startNode(XalanNode*    node);
  
                virtual bool
                endNode(const XalanNode*        node);
  
                virtual bool
                endNode(XalanNode*      node);
  
        private:
  
                NamespacesMapType&      m_map;
        };
  
  
  protected:
  
        /**
         * This function is called when more than one binding exists for a 
given prefix.
         * The default behavior uses the first binding, but a deriving class 
can change
         * that behavior by overriding.
         *
         * @param theVector The vector associated with the namespace prefix. 
         * @return A pointer to a const XalanDOMString containing the desired 
binding, or NULL.
         */
        virtual const XalanDOMString*
        duplicateBinding(const AttributeVectorType&             theVector) 
const;
  
  private:
  
        NamespacesMapType               m_namespaces;
  
        const XalanDOMString    m_uri;
  };
  
  
  
  XALAN_CPP_NAMESPACE_END
  
  
  
  #endif        // XALANDOCUMENTPREFIXRESOLVER_HEADER_GUARD_1357924680
  
  
  

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