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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
00038  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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00042  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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00046  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 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 <xalanc/XMLSupport/XMLSupportDefinitions.hpp>
00064 
00065 
00066 
00067 #include <xalanc/XalanDOM/XalanDOMString.hpp>
00068 
00069 
00070 
00071 XALAN_CPP_NAMESPACE_BEGIN
00072 
00073 
00074 
00075 class XALAN_XMLSUPPORT_EXPORT XalanHTMLElementsProperties
00076 {
00077 public:
00078 
00079     enum { eMaxAttributes = 6, eMaxAttributeName = 8, eMaxElementName = 10 };
00080 
00081     enum eFlags
00082     {
00083         EMPTY = (1 << 1),
00084         FLOW = (1 << 2),
00085         BLOCK = (1 << 3),
00086         BLOCKFORM = (1 << 4),
00087         BLOCKFORMFIELDSET = (1 << 5),
00088         CDATA = (1 << 6),
00089         PCDATA = (1 << 7),
00090         RAW = (1 << 8),
00091         INLINE = (1 << 9),
00092         INLINEA = (1 << 10),
00093         INLINELABEL = (1 << 11),
00094         FONTSTYLE = (1 << 12),
00095         PHRASE = (1 << 13),
00096         FORMCTRL = (1 << 14),
00097         SPECIAL = (1 << 15),
00098         ASPECIAL = (1 << 16),
00099         HEADMISC = (1 << 17),
00100         HEAD = (1 << 18),
00101         LIST = (1 << 19),
00102         PREFORMATTED = (1 << 20),
00103         WHITESPACESENSITIVE = (1 << 21),
00104         HEADELEM = (1 << 22),
00105         STYLEELEM = (1 << 23),
00106         SCRIPTELEM = (1 << 24),
00107 
00108         ATTRURL = (1 << 1),
00109         ATTREMPTY = (1 << 2)
00110     };
00111 
00112     struct XALAN_XMLSUPPORT_EXPORT InternalAttributeProperties
00113     {
00114         typedef unsigned char   FlagsType;
00115 
00116         XalanDOMChar    m_name[eMaxAttributeName + 1];
00117     
00118         FlagsType       m_flags;
00119 
00128         bool
00129         is(FlagsType    theFlags) const
00130         {
00131             return m_flags & theFlags ? true : false;
00132         }
00133     };
00134 
00135     struct XALAN_XMLSUPPORT_EXPORT InternalElementProperties
00136     {
00137         typedef InternalAttributeProperties::FlagsType  AttributeFlagsType;
00138         typedef unsigned int                            FlagsType;
00139 
00149         bool
00150         isAttribute(
00151                 const XalanDOMChar*     theAttributeName,
00152                 AttributeFlagsType      theFlags) const;
00153 
00162         bool
00163         is(FlagsType    theFlags) const
00164         {
00165             return m_flags & theFlags ? true : false;
00166         }
00167 
00168         // Data members...
00169         XalanDOMChar                    m_name[eMaxElementName + 1];
00170 
00171         FlagsType                       m_flags;
00172 
00173         InternalAttributeProperties     m_attributes[eMaxAttributes + 1];
00174 
00181         const InternalAttributeProperties&
00182         findProperties(const XalanDOMChar*  theAttributeName) const;
00183 
00184         static const InternalAttributeProperties    s_dummyProperties;
00185     };
00186 
00191     class XALAN_XMLSUPPORT_EXPORT ElementProperties
00192     {
00193     public:
00194 
00195         typedef InternalElementProperties::AttributeFlagsType   AttributeFlagsType;
00196         typedef InternalElementProperties::FlagsType            FlagsType;
00197 
00202         ElementProperties(const InternalElementProperties*  theProperties = 0) :
00203             m_properties(theProperties)
00204         {
00205         }
00206 
00211         ElementProperties(const ElementProperties&  theSource) :
00212             m_properties(theSource.m_properties)
00213         {
00214         }
00215 
00223         bool
00224         null() const
00225         {
00226             return m_properties == 0 ? true : false;
00227         }
00228 
00237         bool
00238         is(FlagsType    theFlags) const
00239         {
00240             return m_properties->is(theFlags);
00241         }
00242 
00252         bool
00253         isAttribute(
00254                 const XalanDOMChar*     theAttributeName,
00255                 AttributeFlagsType      theFlags) const
00256         {
00257             return m_properties->isAttribute(theAttributeName, theFlags);
00258         }
00259 
00260     private:
00261 
00262         const InternalElementProperties*    m_properties;
00263     };
00264 
00271     static ElementProperties
00272     find(const XalanDOMChar*    theElementName);
00273 
00274 private:
00275 
00282     static const InternalElementProperties&
00283     findProperties(const XalanDOMChar*  theElementName);
00284 
00285     // The order of these is significant!!!
00286 
00287     // The array of properties...
00288     static const InternalElementProperties          s_elementProperties[];
00289 
00290     // This point to the last of the real propeties in the array.
00291     static const InternalElementProperties* const   s_lastProperties;
00292 
00293     // This point to the last of the properties in the array, which is
00294     // a dummy instance we return when an instance that matches the
00295     // element name cannot be found.
00296     static const InternalElementProperties* const   s_dummyProperties;
00297 
00298 
00299     // These are undefined...
00300     XalanHTMLElementsProperties();
00301 
00302     ~XalanHTMLElementsProperties();
00303 
00304     XalanHTMLElementsProperties&
00305     operator=(const XalanHTMLElementsProperties&);
00306 
00307 };
00308 
00309 
00310 
00311 XALAN_CPP_NAMESPACE_END
00312 
00313 
00314 
00315 #endif  // XALANHTMLELEMENTSPROPERTIES_HEADER_GUARD_1357924680

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