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XalanHTMLElementsProperties.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
00003  *
00004  *
00005  * Copyright (c) 1999-2002 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
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00042  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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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
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00057 #if !defined(XALANHTMLELEMENTSPROPERTIES_HEADER_GUARD_1357924680)
00058 #define XALANHTMLELEMENTSPROPERTIES_HEADER_GUARD_1357924680
00059 
00060 
00061 
00062 // Base include file.  Must be first.
00063 #include <XMLSupport/XMLSupportDefinitions.hpp>
00064 
00065 
00066 
00067 #include <XalanDOM/XalanDOMString.hpp>
00068 
00069 
00070 
00071 class XALAN_XMLSUPPORT_EXPORT XalanHTMLElementsProperties
00072 {
00073 public:
00074 
00075     enum { eMaxAttributes = 6, eMaxAttributeName = 8, eMaxElementName = 10 };
00076 
00077     enum eFlags
00078     {
00079         EMPTY = (1 << 1),
00080         FLOW = (1 << 2),
00081         BLOCK = (1 << 3),
00082         BLOCKFORM = (1 << 4),
00083         BLOCKFORMFIELDSET = (1 << 5),
00084         CDATA = (1 << 6),
00085         PCDATA = (1 << 7),
00086         RAW = (1 << 8),
00087         INLINE = (1 << 9),
00088         INLINEA = (1 << 10),
00089         INLINELABEL = (1 << 11),
00090         FONTSTYLE = (1 << 12),
00091         PHRASE = (1 << 13),
00092         FORMCTRL = (1 << 14),
00093         SPECIAL = (1 << 15),
00094         ASPECIAL = (1 << 16),
00095         HEADMISC = (1 << 17),
00096         HEAD = (1 << 18),
00097         LIST = (1 << 19),
00098         PREFORMATTED = (1 << 20),
00099         WHITESPACESENSITIVE = (1 << 21),
00100         HEADELEM = (1 << 22),
00101 
00102         ATTRURL = (1 << 1),
00103         ATTREMPTY = (1 << 2)
00104     };
00105 
00106     struct InternalAttributeProperties
00107     {
00108         typedef unsigned char   FlagsType;
00109 
00110         XalanDOMChar    m_name[eMaxAttributeName + 1];
00111     
00112         FlagsType       m_flags;
00113 
00122         bool
00123         is(FlagsType    theFlags) const
00124         {
00125             return m_flags & theFlags ? true : false;
00126         }
00127     };
00128 
00129     struct InternalElementProperties
00130     {
00131         typedef InternalAttributeProperties::FlagsType  AttributeFlagsType;
00132         typedef unsigned int                            FlagsType;
00133 
00143         bool
00144         isAttribute(
00145                 const XalanDOMChar*     theAttributeName,
00146                 AttributeFlagsType      theFlags) const;
00147 
00156         bool
00157         is(FlagsType    theFlags) const
00158         {
00159             return m_flags & theFlags ? true : false;
00160         }
00161 
00162         // Data members...
00163         XalanDOMChar                    m_name[eMaxElementName + 1];
00164 
00165         FlagsType                       m_flags;
00166 
00167         InternalAttributeProperties     m_attributes[eMaxAttributes + 1];
00168 
00175         const InternalAttributeProperties&
00176         findProperties(const XalanDOMChar*  theAttributeName) const;
00177 
00178         static const InternalAttributeProperties    s_dummyProperties;
00179     };
00180 
00185     class XALAN_XMLSUPPORT_EXPORT ElementProperties
00186     {
00187     public:
00188 
00189         typedef InternalElementProperties::AttributeFlagsType   AttributeFlagsType;
00190         typedef InternalElementProperties::FlagsType            FlagsType;
00191 
00196         ElementProperties(const InternalElementProperties*  theProperties = 0) :
00197             m_properties(theProperties)
00198         {
00199         }
00200 
00205         ElementProperties(const ElementProperties&  theSource) :
00206             m_properties(theSource.m_properties)
00207         {
00208         }
00209 
00217         bool
00218         null() const
00219         {
00220             return m_properties == 0 ? true : false;
00221         }
00222 
00231         bool
00232         is(FlagsType    theFlags) const
00233         {
00234             return m_properties->is(theFlags);
00235         }
00236 
00246         bool
00247         isAttribute(
00248                 const XalanDOMChar*     theAttributeName,
00249                 AttributeFlagsType      theFlags) const
00250         {
00251             return m_properties->isAttribute(theAttributeName, theFlags);
00252         }
00253 
00254     private:
00255 
00256         const InternalElementProperties*    m_properties;
00257     };
00258 
00265     static ElementProperties
00266     find(const XalanDOMChar*    theElementName);
00267 
00268 private:
00269 
00276     static const InternalElementProperties&
00277     findProperties(const XalanDOMChar*  theElementName);
00278 
00279     // The order of these is significant!!!
00280 
00281     // The array of properties...
00282     static const InternalElementProperties          s_elementProperties[];
00283 
00284     // This point to the last of the real propeties in the array.
00285     static const InternalElementProperties* const   s_lastProperties;
00286 
00287     // This point to the last of the properties in the array, which is
00288     // a dummy instance we return when an instance that matches the
00289     // element name cannot be found.
00290     static const InternalElementProperties* const   s_dummyProperties;
00291 
00292 
00293     // These are undefined...
00294     XalanHTMLElementsProperties();
00295 
00296     ~XalanHTMLElementsProperties();
00297 
00298     XalanHTMLElementsProperties&
00299     operator=(const XalanHTMLElementsProperties&);
00300 
00301 };
00302 
00303 
00304 
00305 #endif  // XALANHTMLELEMENTSPROPERTIES_HEADER_GUARD_1357924680

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