## Xalan-C++ API Documentation

### The Xalan C++ XSLT Processor Version 1.5

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# NamespacesHandler.hpp

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    00001 /*
    00002  * The Apache Software License, Version 1.1
    00003  *
    00004  *
    00005  * Copyright (c) 2000-2002 The Apache Software Foundation.  All rights
    00006  * reserved.
    00007  *
    00008  * Redistribution and use in source and binary forms, with or without
    00009  * modification, are permitted provided that the following conditions
    00010  * are met:
    00011  *
    00012  * 1. Redistributions of source code must retain the above copyright
    00013  *    notice, this list of conditions and the following disclaimer.
    00014  *
    00015  * 2. Redistributions in binary form must reproduce the above copyright
    00016  *    notice, this list of conditions and the following disclaimer in
    00017  *    the documentation and/or other materials provided with the
    00018  *    distribution.
    00019  *
    00020  * 3. The end-user documentation included with the redistribution,
    00021  *    if any, must include the following acknowledgment:
    00022  *       "This product includes software developed by the
    00023  *        Apache Software Foundation (http://www.apache.org/)."
    00024  *    Alternately, this acknowledgment may appear in the software itself,
    00025  *    if and wherever such third-party acknowledgments normally appear.
    00026  *
    00027  * 4. The names "Xalan" and "Apache Software Foundation" must
    00028  *    not be used to endorse or promote products derived from this
    00029  *    software without prior written permission. For written
    00030  *    permission, please contact apache@apache.org.
    00031  *
    00032  * 5. Products derived from this software may not be called "Apache",
    00033  *    nor may "Apache" appear in their name, without prior written
    00034  *    permission of the Apache Software Foundation.
    00035  *
    00036  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
    00037  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    00038  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    00039  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
    00040  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    00041  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    00042  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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    00045  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
    00046  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    00047  * SUCH DAMAGE.
    00048  * ====================================================================
    00049  *
    00050  * This software consists of voluntary contributions made by many
    00051  * individuals on behalf of the Apache Software Foundation and was
    00052  * originally based on software copyright (c) 1999, International
    00053  * Business Machines, Inc., http://www.ibm.com.  For more
    00054  * information on the Apache Software Foundation, please see
    00055  * <http://www.apache.org/>.
    00056  *
    00057  * $ Id: $
    00058  *
    00059  */
    00060
    00061 #if !defined(XALAN_NAMESPACESHANDLER_HEADER_GUARD)
    00062 #define XALAN_NAMESPACESHANDLER_HEADER_GUARD
    00063
    00064
    00065
    00066 // Base include file.  Must be first.
    00067 #include <XSLT/XSLTDefinitions.hpp>
    00068
    00069
    00070
    00071 #include <map>
    00072 #include <set>
    00073 #include <vector>
    00074
    00075
    00076
    00077 #include <PlatformSupport/DOMStringHelper.hpp>
    00078
    00079
    00080
    00081 #include <XPath/NameSpace.hpp>
    00082 #include <XPath/XalanQName.hpp>
    00083
    00084
    00085
    00086 XALAN_CPP_NAMESPACE_BEGIN
    00087
    00088
    00089
    00090 class StylesheetConstructionContext;
    00091 class StylesheetExecutionContext;
    00092
    00093
    00094
    00095 class XALAN_XSLT_EXPORT NamespacesHandler
    00096 {
    00097 public:
    00098
    00099     class PrefixChecker
    00100     {
    00101     public:
    00102
    00103         PrefixChecker();
    00104
    00105         virtual
    00106         ~PrefixChecker();
    00107
    00108         virtual bool
    00109         isActive(const XalanDOMString&  thePrefix) const = 0;
    00110     };
    00111
    00112     class Namespace
    00113     {
    00114     public:
    00115
    00116         Namespace() :
    00117             m_prefix(&s_emptyString),
    00118             m_uri(&s_emptyString)
    00119         {
    00120         }
    00121
    00122         Namespace(
    00123                     const XalanDOMString&   prefix,
    00124                     const XalanDOMString&   uri) :
    00125             m_prefix(&prefix),
    00126             m_uri(&uri)
    00127         {
    00128         }
    00129
    00135         const XalanDOMString&
    00136         getPrefix() const
    00137         {
    00138             assert(m_prefix != 0);
    00139
    00140             return *m_prefix;
    00141         }
    00142
    00148         void
    00149         setPrefix(const XalanDOMString&     prefix)
    00150         {
    00151             m_prefix = &prefix;
    00152         }
    00153
    00159         const XalanDOMString&
    00160         getURI() const
    00161         {
    00162             assert(m_uri != 0);
    00163
    00164             return *m_uri;
    00165         }
    00166
    00172         void
    00173         setURI(const XalanDOMString&    uri)
    00174         {
    00175             m_uri = &uri;
    00176         }
    00177
    00178     protected:
    00179
    00180         static const XalanDOMString     s_emptyString;
    00181
    00182     private:
    00183
    00184         const XalanDOMString*   m_prefix;
    00185
    00186         const XalanDOMString*   m_uri;
    00187     };
    00188
    00189     class NamespaceExtended : public Namespace
    00190     {
    00191     public:
    00192
    00193         NamespaceExtended() :
    00194             Namespace(),
    00195             m_resultAttributeName(&s_emptyString)
    00196         {
    00197         }
    00198
    00199         NamespaceExtended(
    00200                     const XalanDOMString&   prefix,
    00201                     const XalanDOMString&   uri) :
    00202             Namespace(prefix, uri),
    00203             m_resultAttributeName(&s_emptyString)
    00204         {
    00205         }
    00206
    00212         const XalanDOMString&
    00213         getResultAttributeName() const
    00214         {
    00215             assert(m_resultAttributeName != 0);
    00216
    00217             return *m_resultAttributeName;
    00218         }
    00219
    00225         void
    00226         setResultAttributeName(const XalanDOMString&    name)
    00227         {
    00228             m_resultAttributeName = &name;
    00229         }
    00230
    00231     private:
    00232
    00233         const XalanDOMString*   m_resultAttributeName;
    00234     };
    00235
    00236     typedef XalanQName::NamespaceVectorType             NamespaceVectorType;
    00237     typedef XalanQName::NamespacesStackType             NamespacesStackType;
    00238
    00239 #if defined(XALAN_NO_STD_NAMESPACE)
    00240     typedef vector<Namespace>                           NamespacesVectorType;
    00241
    00242     typedef vector<NamespaceExtended>                   NamespaceExtendedVectorType;
    00243
    00244     typedef map<const XalanDOMString*,
    00245                 const XalanDOMString*,
    00246                 DOMStringPointerLessThanFunction>       ExcludedResultPrefixesMapType;
    00247
    00248     typedef map<const XalanDOMString*,
    00249                 NamespaceExtended,
    00250                 DOMStringPointerLessThanFunction>       NamespacesMapType;
    00251
    00252     typedef map<const XalanDOMString*,
    00253                 const XalanDOMString*,
    00254                 DOMStringPointerLessThanFunction>       NamespaceAliasesMapType;
    00255
    00256     typedef vector<const XalanDOMString*>               XalanDOMStringPointerVectorType;
    00257 #else
    00258     typedef std::vector<Namespace>                      NamespacesVectorType;
    00259
    00260     typedef std::vector<NamespaceExtended>              NamespaceExtendedVectorType;
    00261
    00262     typedef std::map<const XalanDOMString*,
    00263                      const XalanDOMString*,
    00264                      DOMStringPointerLessThanFunction>  ExcludedResultPrefixesMapType;
    00265
    00266     typedef std::map<const XalanDOMString*,
    00267                      NamespaceExtended,
    00268                      DOMStringPointerLessThanFunction>  NamespacesMapType;
    00269
    00270     typedef std::map<const XalanDOMString*,
    00271                      const XalanDOMString*,
    00272                      DOMStringPointerLessThanFunction>  NamespaceAliasesMapType;
    00273
    00274     typedef std::vector<const XalanDOMString*>          XalanDOMStringPointerVectorType;
    00275 #endif
    00276
    00280     explicit
    00281     NamespacesHandler();
    00282
    00292     NamespacesHandler(
    00293             StylesheetConstructionContext&  theConstructionContext,
    00294             const NamespacesHandler&        stylesheetNamespacesHandler,
    00295             const NamespacesStackType&      theCurrentNamespaces,
    00296             const XalanDOMString&           theXSLTNamespaceURI);
    00297
    00298     ~NamespacesHandler();
    00299
    00307     void
    00308     processExcludeResultPrefixes(
    00309             StylesheetConstructionContext&  theConstructionContext,
    00310             const XalanDOMChar*             theValue,
    00311             const NamespacesStackType&      theCurrentNamespaces);
    00312
    00320     void
    00321     processExtensionElementPrefixes(
    00322             StylesheetConstructionContext&  theConstructionContext,
    00323             const XalanDOMChar*             theValue,
    00324             const NamespacesStackType&      theCurrentNamespaces);
    00325
    00335     void
    00336     postConstruction(
    00337             StylesheetConstructionContext&  theConstructionContext,
    00338             bool                            fProcessNamespaceAliases = true,
    00339             const XalanDOMString&           theElementName = XalanDOMString(),
    00340             const NamespacesHandler*        parentNamespacesHandler = 0,
    00341             const PrefixChecker*            prefixChecker = 0);
    00342
    00343     NamespacesHandler&
    00344     operator=(const NamespacesHandler&  theRHS);
    00345
    00353     bool
    00354     shouldExcludeResultNamespaceNode(
    00355             const XalanDOMString&   theXSLTNamespaceURI,
    00356             const XalanDOMString&   theURI) const;
    00357
    00364     void
    00365     addExtensionNamespaceURI(
    00366             StylesheetConstructionContext&  theConstructionContext,
    00367             const XalanDOMString&   theURI);
    00368
    00375     const XalanDOMString*
    00376     getNamespace(const XalanDOMString&  thePrefix) const;
    00377
    00384     const XalanDOMString*
    00385     getNamespaceAlias(const XalanDOMString&     theStylesheetNamespace) const;
    00386
    00394     void
    00395     setNamespaceAlias(
    00396             StylesheetConstructionContext&  theConstructionContext,
    00397             const XalanDOMString&           theStylesheetNamespace,
    00398             const XalanDOMString&           theResultNamespace);
    00399
    00405     void
    00406     copyNamespaceAliases(const NamespacesHandler&   parentNamespacesHandler);
    00407
    00414     void
    00415     outputResultNamespaces(
    00416             StylesheetExecutionContext&     theExecutionContext,
    00417             bool                            supressDefault = false) const;
    00418
    00422     void
    00423     clear();
    00424
    00430     void
    00431     swap(NamespacesHandler&     theOther);
    00432
    00433     NamespacesMapType::size_type
    00434     getNamespaceDeclarationsCount() const
    00435     {
    00436         return m_namespaceDeclarations.size();
    00437     }
    00438
    00439 private:
    00440
    00446     void
    00447     createResultAttributeNames(StylesheetConstructionContext&   theConstructionContext);
    00448
    00456     void
    00457     processExcludeResultPrefixes(
    00458             StylesheetConstructionContext&  theConstructionContext,
    00459             const XalanDOMString&           theElementPrefix,
    00460             const PrefixChecker*            prefixChecker);
    00461
    00465     void
    00466     processNamespaceAliases();
    00467
    00473     void
    00474     copyNamespaceAliases(const NamespaceAliasesMapType&     theNamespaceAliases);
    00475
    00481     void
    00482     copyExtensionNamespaceURIs(const XalanDOMStringPointerVectorType&   theExtensionNamespaceURIs);
    00483
    00489     void
    00490     copyExcludeResultPrefixes(const NamespacesVectorType&   theExcludeResultPrefixes);
    00491
    00499     bool
    00500     isExcludedNamespaceURI(const XalanDOMString&    theNamespaceURI) const;
    00501
    00508     bool
    00509     isExtensionNamespaceURI(const XalanDOMString&   theNamespaceURI) const
    00510     {
    00511         return findString(theNamespaceURI, m_extensionNamespaceURIs);
    00512     }
    00513
    00520     static bool
    00521     findString(
    00522             const XalanDOMString&                   theString,
    00523             const XalanDOMStringPointerVectorType&  theVector);
    00524
    00525
    00526     // Not implemented...
    00527     bool
    00528     operator==(const NamespacesHandler&) const;
    00529
    00530
    00531     // Data members...
    00532     NamespacesVectorType                m_excludedResultPrefixes;
    00533
    00534     NamespaceExtendedVectorType         m_namespaceDeclarations;
    00535
    00536     XalanDOMStringPointerVectorType     m_extensionNamespaceURIs;
    00537
    00538     NamespaceAliasesMapType             m_namespaceAliases;
    00539 };
    00540
    00541
    00542
    00543 XALAN_CPP_NAMESPACE_END
    00544
    00545
    00546
    00547 #endif  // XALAN_NAMESPACESHANDLER_HEADER_GUARD

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Xalan-C++ XSLT Processor Version 1.5 Copyright © 2000, 2001, 2002, 2003 The Apache Software Foundation. All Rights Reserved.