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    00001 /*
    00002  * The Apache Software License, Version 1.1
    00003  *
    00004  * Copyright (c) 2002 The Apache Software Foundation.  All rights
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    00007  * Redistribution and use in source and binary forms, with or without
    00008  * modification, are permitted provided that the following conditions
    00009  * are met:
    00010  *
    00011  * 1. Redistributions of source code must retain the above copyright
    00012  *    notice, this list of conditions and the following disclaimer.
    00013  *
    00014  * 2. Redistributions in binary form must reproduce the above copyright
    00015  *    notice, this list of conditions and the following disclaimer in
    00016  *    the documentation and/or other materials provided with the
    00017  *    distribution.
    00018  *
    00019  * 3. The end-user documentation included with the redistribution,
    00020  *    if any, must include the following acknowledgment:
    00021  *       "This product includes software developed by the
    00022  *        Apache Software Foundation (http://www.apache.org/)."
    00023  *    Alternately, this acknowledgment may appear in the software itself,
    00024  *    if and wherever such third-party acknowledgments normally appear.
    00025  *
    00026  * 4. The names "Xerces" and "Apache Software Foundation" must
    00027  *    not be used to endorse or promote products derived from this
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    00031  * 5. Products derived from this software may not be called "Apache",
    00032  *    nor may "Apache" appear in their name, without prior written
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    00034  *
    00035  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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    00045  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    00046  * SUCH DAMAGE.
    00047  * ====================================================================
    00048  *
    00049  * This software consists of voluntary contributions made by many
    00050  * individuals on behalf of the Apache Software Foundation, and was
    00051  * originally based on software copyright (c) 1999, International
    00052  * Business Machines, Inc., http://www.ibm.com .  For more information
    00053  * on the Apache Software Foundation, please see
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    00056
    00057 /*
    00058  * $Log: XMLChar.hpp,v $
    00059  * Revision 1.1  2002/12/20 22:10:21  tng
    00060  * XML 1.1
    00061  *
    00062  */
    00063
    00064 #if !defined(XMLCHAR_HPP)
    00065 #define XMLCHAR_HPP
    00066
    00067 #include <xercesc/util/XMLUniDefs.hpp>
    00068
    00069 XERCES_CPP_NAMESPACE_BEGIN
    00070
    00071 // ---------------------------------------------------------------------------
    00072 //  This file defines Char and utility that conforms to XML 1.0 and XML 1.1
    00073 // ---------------------------------------------------------------------------
    00074 // Masks for the fgCharCharsTable1_0 array
    00075 const XMLByte   gLetterCharMask             = 0x1;
    00076 const XMLByte   gFirstNameCharMask          = 0x2;
    00077 const XMLByte   gNameCharMask               = 0x4;
    00078 const XMLByte   gPlainContentCharMask       = 0x8;
    00079 const XMLByte   gSpecialStartTagCharMask    = 0x10;
    00080 const XMLByte   gControlCharMask            = 0x20;
    00081 const XMLByte   gXMLCharMask                = 0x40;
    00082 const XMLByte   gWhitespaceCharMask         = 0x80;
    00083
    00084 // ---------------------------------------------------------------------------
    00085 //  This class is for XML 1.0
    00086 // ---------------------------------------------------------------------------
    00087 class  XMLChar1_0
    00088 {
    00089 public:
    00090     // -----------------------------------------------------------------------
    00091     //  Public, static methods, check the string
    00092     // -----------------------------------------------------------------------
    00093     static bool isAllSpaces
    00094     (
    00095         const   XMLCh* const    toCheck
    00096         , const unsigned int    count
    00097     );
    00098
    00099     static bool containsWhiteSpace
    00100     (
    00101         const   XMLCh* const    toCheck
    00102         , const unsigned int    count
    00103     );
    00104
    00105     static bool isValidName
    00106     (
    00107         const   XMLCh* const    toCheck
    00108         , const unsigned int    count
    00109     );
    00110
    00111     static bool isValidNCName
    00112     (
    00113         const   XMLCh* const    toCheck
    00114         , const unsigned int    count
    00115     );
    00116
    00117     static bool isValidQName
    00118     (
    00119         const   XMLCh* const    toCheck
    00120         , const unsigned int    count
    00121     );
    00122
    00123     // -----------------------------------------------------------------------
    00124     //  Public, static methods, check the XMLCh
    00125     //  surrogate pair is assumed if second parameter is not null
    00126     // -----------------------------------------------------------------------
    00127     static bool isXMLLetter(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00128     static bool isFirstNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00129     static bool isNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00130     static bool isPlainContentChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00131     static bool isSpecialStartTagChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00132     static bool isXMLChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00133     static bool isWhitespace(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00134     static bool isControlChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00135
    00136     static bool isPublicIdChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00137
    00138     // -----------------------------------------------------------------------
    00139     //  Special Non-conformant Public, static methods
    00140     // -----------------------------------------------------------------------
    00144     static bool isNELRecognized();
    00145
    00149     static void enableNELWS();
    00150
    00151 private:
    00152     // -----------------------------------------------------------------------
    00153     //  Static data members
    00154     //
    00155     //  fgCharCharsTable1_0
    00156     //      The character characteristics table. Bits in each byte, represent
    00157     //      the characteristics of each character. It is generated via some
    00158     //      code and then hard coded into the cpp file for speed.
    00159     //
    00160     //  fNEL
    00161     //      Flag to respresents whether NEL and LSEP newline recognition is enabled
    00162     //      or disabled
    00163     // -----------------------------------------------------------------------
    00164     static XMLByte  fgCharCharsTable1_0[0x10000];
    00165     static bool     enableNEL;
    00166
    00167     friend class XMLReader;
    00168 };
    00169
    00170
    00171 // ---------------------------------------------------------------------------
    00172 //  XMLReader: Public, static methods
    00173 // ---------------------------------------------------------------------------
    00174 inline bool XMLChar1_0::isXMLLetter(const XMLCh toCheck, const XMLCh toCheck2)
    00175 {
    00176     if (!toCheck2)
    00177         return ((fgCharCharsTable1_0[toCheck] & gLetterCharMask) != 0);
    00178     return false;
    00179 }
    00180
    00181 inline bool XMLChar1_0::isFirstNameChar(const XMLCh toCheck, const XMLCh toCheck2)
    00182 {
    00183     if (!toCheck2)
    00184         return ((fgCharCharsTable1_0[toCheck] & gFirstNameCharMask) != 0);
    00185     return false;
    00186 }
    00187
    00188 inline bool XMLChar1_0::isNameChar(const XMLCh toCheck, const XMLCh toCheck2)
    00189 {
    00190     if (!toCheck2)
    00191         return ((fgCharCharsTable1_0[toCheck] & gNameCharMask) != 0);
    00192     return false;
    00193 }
    00194
    00195 inline bool XMLChar1_0::isPlainContentChar(const XMLCh toCheck, const XMLCh toCheck2)
    00196 {
    00197     if (!toCheck2)
    00198         return ((fgCharCharsTable1_0[toCheck] & gPlainContentCharMask) != 0);
    00199     else {
    00200         if ((toCheck >= 0xD800) && (toCheck <= 0xDBFF))
    00201            if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF))
    00202                return true;
    00203     }
    00204     return false;
    00205 }
    00206
    00207
    00208 inline bool XMLChar1_0::isSpecialStartTagChar(const XMLCh toCheck, const XMLCh toCheck2)
    00209 {
    00210     if (!toCheck2)
    00211         return ((fgCharCharsTable1_0[toCheck] & gSpecialStartTagCharMask) != 0);
    00212     return false;
    00213 }
    00214
    00215 inline bool XMLChar1_0::isXMLChar(const XMLCh toCheck, const XMLCh toCheck2)
    00216 {
    00217     if (!toCheck2)
    00218         return ((fgCharCharsTable1_0[toCheck] & gXMLCharMask) != 0);
    00219     else {
    00220         if ((toCheck >= 0xD800) && (toCheck <= 0xDBFF))
    00221            if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF))
    00222                return true;
    00223     }
    00224     return false;
    00225 }
    00226
    00227 inline bool XMLChar1_0::isWhitespace(const XMLCh toCheck, const XMLCh toCheck2)
    00228 {
    00229     if (!toCheck2)
    00230         return ((fgCharCharsTable1_0[toCheck] & gWhitespaceCharMask) != 0);
    00231     return false;
    00232 }
    00233
    00234 inline bool XMLChar1_0::isControlChar(const XMLCh toCheck, const XMLCh toCheck2)
    00235 {
    00236     if (!toCheck2)
    00237         return ((fgCharCharsTable1_0[toCheck] & gControlCharMask) != 0);
    00238     return false;
    00239 }
    00240
    00241 inline bool XMLChar1_0::isNELRecognized() {
    00242
    00243     return enableNEL;
    00244 }
    00245
    00246
    00247 // ---------------------------------------------------------------------------
    00248 //  This class is for XML 1.1
    00249 // ---------------------------------------------------------------------------
    00250 class  XMLChar1_1
    00251 {
    00252 public:
    00253     // -----------------------------------------------------------------------
    00254     //  Public, static methods, check the string
    00255     // -----------------------------------------------------------------------
    00256     static bool isAllSpaces
    00257     (
    00258         const   XMLCh* const    toCheck
    00259         , const unsigned int    count
    00260     );
    00261
    00262     static bool containsWhiteSpace
    00263     (
    00264         const   XMLCh* const    toCheck
    00265         , const unsigned int    count
    00266     );
    00267
    00268     static bool isValidName
    00269     (
    00270         const   XMLCh* const    toCheck
    00271         , const unsigned int    count
    00272     );
    00273
    00274     static bool isValidNCName
    00275     (
    00276         const   XMLCh* const    toCheck
    00277         , const unsigned int    count
    00278     );
    00279
    00280     static bool isValidQName
    00281     (
    00282         const   XMLCh* const    toCheck
    00283         , const unsigned int    count
    00284     );
    00285
    00286     // -----------------------------------------------------------------------
    00287     //  Public, static methods, check the XMLCh
    00288     // -----------------------------------------------------------------------
    00289     static bool isXMLLetter(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00290     static bool isFirstNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00291     static bool isNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00292     static bool isPlainContentChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00293     static bool isSpecialStartTagChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00294     static bool isXMLChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00295     static bool isWhitespace(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00296     static bool isControlChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00297
    00298     static bool isPublicIdChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00299
    00300 private:
    00301     // -----------------------------------------------------------------------
    00302     //  Static data members
    00303     //
    00304     //  fgCharCharsTable1_1
    00305     //      The character characteristics table. Bits in each byte, represent
    00306     //      the characteristics of each character. It is generated via some
    00307     //      code and then hard coded into the cpp file for speed.
    00308     //
    00309     // -----------------------------------------------------------------------
    00310     static XMLByte  fgCharCharsTable1_1[0x10000];
    00311
    00312     friend class XMLReader;
    00313 };
    00314
    00315
    00316 // ---------------------------------------------------------------------------
    00317 //  XMLReader: Public, static methods
    00318 // ---------------------------------------------------------------------------
    00319 inline bool XMLChar1_1::isXMLLetter(const XMLCh toCheck, const XMLCh toCheck2)
    00320 {
    00321     if (!toCheck2)
    00322         return ((fgCharCharsTable1_1[toCheck] & gLetterCharMask) != 0);
    00323     return false;
    00324 }
    00325
    00326 inline bool XMLChar1_1::isFirstNameChar(const XMLCh toCheck, const XMLCh toCheck2)
    00327 {
    00328     if (!toCheck2)
    00329         return ((fgCharCharsTable1_1[toCheck] & gFirstNameCharMask) != 0);
    00330     else {
    00331         if ((toCheck >= 0xD800) && (toCheck <= 0xDB7F))
    00332            if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF))
    00333                return true;
    00334     }
    00335     return false;
    00336 }
    00337
    00338 inline bool XMLChar1_1::isNameChar(const XMLCh toCheck, const XMLCh toCheck2)
    00339 {
    00340     if (!toCheck2)
    00341         return ((fgCharCharsTable1_1[toCheck] & gNameCharMask) != 0);
    00342     else {
    00343         if ((toCheck >= 0xD800) && (toCheck <= 0xDB7F))
    00344            if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF))
    00345                return true;
    00346     }
    00347     return false;
    00348 }
    00349
    00350 inline bool XMLChar1_1::isPlainContentChar(const XMLCh toCheck, const XMLCh toCheck2)
    00351 {
    00352     if (!toCheck2)
    00353         return ((fgCharCharsTable1_1[toCheck] & gPlainContentCharMask) != 0);
    00354     else {
    00355         if ((toCheck >= 0xD800) && (toCheck <= 0xDBFF))
    00356            if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF))
    00357                return true;
    00358     }
    00359     return false;
    00360 }
    00361
    00362
    00363 inline bool XMLChar1_1::isSpecialStartTagChar(const XMLCh toCheck, const XMLCh toCheck2)
    00364 {
    00365     if (!toCheck2)
    00366         return ((fgCharCharsTable1_1[toCheck] & gSpecialStartTagCharMask) != 0);
    00367     return false;
    00368 }
    00369
    00370 inline bool XMLChar1_1::isXMLChar(const XMLCh toCheck, const XMLCh toCheck2)
    00371 {
    00372     if (!toCheck2)
    00373         return ((fgCharCharsTable1_1[toCheck] & gXMLCharMask) != 0);
    00374     else {
    00375         if ((toCheck >= 0xD800) && (toCheck <= 0xDBFF))
    00376            if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF))
    00377                return true;
    00378     }
    00379     return false;
    00380 }
    00381
    00382 inline bool XMLChar1_1::isWhitespace(const XMLCh toCheck, const XMLCh toCheck2)
    00383 {
    00384     if (!toCheck2)
    00385         return ((fgCharCharsTable1_1[toCheck] & gWhitespaceCharMask) != 0);
    00386     return false;
    00387 }
    00388
    00389 inline bool XMLChar1_1::isControlChar(const XMLCh toCheck, const XMLCh toCheck2)
    00390 {
    00391     if (!toCheck2)
    00392         return ((fgCharCharsTable1_1[toCheck] & gControlCharMask) != 0);
    00393     return false;
    00394 }
    00395
    00396
    00397 XERCES_CPP_NAMESPACE_END
    00398
    00399 #endif

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