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    00001 /*
    00002  * Copyright 2002-2005 The Apache Software Foundation.
    00003  *
    00004  * Licensed under the Apache License, Version 2.0 (the "License");
    00005  * you may not use this file except in compliance with the License.
    00006  * You may obtain a copy of the License at
    00007  *
    00008  *      http://www.apache.org/licenses/LICENSE-2.0
    00009  *
    00010  * Unless required by applicable law or agreed to in writing, software
    00011  * distributed under the License is distributed on an "AS IS" BASIS,
    00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    00013  * See the License for the specific language governing permissions and
    00014  * limitations under the License.
    00015  */
    00016
    00017 /*
    00018  * $Id: XMLChar.hpp 191054 2005-06-17 02:56:35Z jberry $
    00019  */
    00020
    00021 #if !defined(XMLCHAR_HPP)
    00022 #define XMLCHAR_HPP
    00023
    00024 #include <xercesc/util/XMLUniDefs.hpp>
    00025
    00026 XERCES_CPP_NAMESPACE_BEGIN
    00027
    00028 // ---------------------------------------------------------------------------
    00029 //  This file defines Char and utility that conforms to XML 1.0 and XML 1.1
    00030 // ---------------------------------------------------------------------------
    00031 // Masks for the fgCharCharsTable1_0 array
    00032 const XMLByte   gNCNameCharMask             = 0x1;
    00033 const XMLByte   gFirstNameCharMask          = 0x2;
    00034 const XMLByte   gNameCharMask               = 0x4;
    00035 const XMLByte   gPlainContentCharMask       = 0x8;
    00036 const XMLByte   gSpecialStartTagCharMask    = 0x10;
    00037 const XMLByte   gControlCharMask            = 0x20;
    00038 const XMLByte   gXMLCharMask                = 0x40;
    00039 const XMLByte   gWhitespaceCharMask         = 0x80;
    00040
    00041 // ---------------------------------------------------------------------------
    00042 //  This class is for XML 1.0
    00043 // ---------------------------------------------------------------------------
    00044 class  XMLChar1_0
    00045 {
    00046 public:
    00047     // -----------------------------------------------------------------------
    00048     //  Public, static methods, check the string
    00049     // -----------------------------------------------------------------------
    00050     static bool isAllSpaces
    00051     (
    00052         const   XMLCh* const    toCheck
    00053         , const unsigned int    count
    00054     );
    00055
    00056     static bool containsWhiteSpace
    00057     (
    00058         const   XMLCh* const    toCheck
    00059         , const unsigned int    count
    00060     );
    00061
    00062     static bool isValidNmtoken
    00063     (
    00064         const   XMLCh*        const    toCheck
    00065       , const   unsigned int           count
    00066     );
    00067
    00068     static bool isValidName
    00069     (
    00070         const   XMLCh* const    toCheck
    00071         , const unsigned int    count
    00072     );
    00073
    00074     static bool isValidNCName
    00075     (
    00076         const   XMLCh* const    toCheck
    00077         , const unsigned int    count
    00078     );
    00079
    00080     static bool isValidQName
    00081     (
    00082         const   XMLCh* const    toCheck
    00083         , const unsigned int    count
    00084     );
    00085
    00086     // -----------------------------------------------------------------------
    00087     //  Public, static methods, check the XMLCh
    00088     //  surrogate pair is assumed if second parameter is not null
    00089     // -----------------------------------------------------------------------
    00090     static bool isXMLLetter(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00091     static bool isFirstNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00092     static bool isNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00093     static bool isPlainContentChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00094     static bool isSpecialStartTagChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00095     static bool isXMLChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00096     static bool isWhitespace(const XMLCh toCheck);
    00097     static bool isWhitespace(const XMLCh toCheck, const XMLCh toCheck2);
    00098     static bool isControlChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00099
    00100     static bool isPublicIdChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00101     static bool isFirstNCNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00102     static bool isNCNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00103
    00104     // -----------------------------------------------------------------------
    00105     //  Special Non-conformant Public, static methods
    00106     // -----------------------------------------------------------------------
    00110     static bool isNELRecognized();
    00111
    00115     static void enableNELWS();
    00116
    00117 private:
    00118     // -----------------------------------------------------------------------
    00119     //  Unimplemented constructors and operators
    00120     // -----------------------------------------------------------------------
    00121     XMLChar1_0();
    00122
    00123     // -----------------------------------------------------------------------
    00124     //  Static data members
    00125     //
    00126     //  fgCharCharsTable1_0
    00127     //      The character characteristics table. Bits in each byte, represent
    00128     //      the characteristics of each character. It is generated via some
    00129     //      code and then hard coded into the cpp file for speed.
    00130     //
    00131     //  fNEL
    00132     //      Flag to respresents whether NEL and LSEP newline recognition is enabled
    00133     //      or disabled
    00134     // -----------------------------------------------------------------------
    00135     static XMLByte  fgCharCharsTable1_0[0x10000];
    00136     static bool     enableNEL;
    00137
    00138     friend class XMLReader;
    00139 };
    00140
    00141
    00142 // ---------------------------------------------------------------------------
    00143 //  XMLReader: Public, static methods
    00144 // ---------------------------------------------------------------------------
    00145 inline bool XMLChar1_0::isXMLLetter(const XMLCh toCheck, const XMLCh toCheck2)
    00146 {
    00147     // An XML letter is a FirstNameChar minus ':' and '_'.
    00148     if (!toCheck2) {
    00149         return (((fgCharCharsTable1_0[toCheck] & gFirstNameCharMask) != 0)
    00150                 && (toCheck != chColon) && (toCheck != chUnderscore));
    00151     }
    00152     return false;
    00153 }
    00154
    00155 inline bool XMLChar1_0::isFirstNameChar(const XMLCh toCheck, const XMLCh toCheck2)
    00156 {
    00157     if (!toCheck2)
    00158         return ((fgCharCharsTable1_0[toCheck] & gFirstNameCharMask) != 0);
    00159     return false;
    00160 }
    00161
    00162 inline bool XMLChar1_0::isFirstNCNameChar(const XMLCh toCheck, const XMLCh toCheck2)
    00163 {
    00164     if (!toCheck2) {
    00165         return (((fgCharCharsTable1_0[toCheck] & gFirstNameCharMask) != 0) && (toCheck != chColon));
    00166     }
    00167
    00168     return false;
    00169 }
    00170
    00171 inline bool XMLChar1_0::isNameChar(const XMLCh toCheck, const XMLCh toCheck2)
    00172 {
    00173     if (!toCheck2)
    00174         return ((fgCharCharsTable1_0[toCheck] & gNameCharMask) != 0);
    00175     return false;
    00176 }
    00177
    00178 inline bool XMLChar1_0::isNCNameChar(const XMLCh toCheck, const XMLCh toCheck2)
    00179 {
    00180     if (!toCheck2)
    00181         return ((fgCharCharsTable1_0[toCheck] & gNCNameCharMask) != 0);
    00182     return false;
    00183 }
    00184
    00185 inline bool XMLChar1_0::isPlainContentChar(const XMLCh toCheck, const XMLCh toCheck2)
    00186 {
    00187     if (!toCheck2)
    00188         return ((fgCharCharsTable1_0[toCheck] & gPlainContentCharMask) != 0);
    00189     else {
    00190         if ((toCheck >= 0xD800) && (toCheck <= 0xDBFF))
    00191            if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF))
    00192                return true;
    00193     }
    00194     return false;
    00195 }
    00196
    00197
    00198 inline bool XMLChar1_0::isSpecialStartTagChar(const XMLCh toCheck, const XMLCh toCheck2)
    00199 {
    00200     if (!toCheck2)
    00201         return ((fgCharCharsTable1_0[toCheck] & gSpecialStartTagCharMask) != 0);
    00202     return false;
    00203 }
    00204
    00205 inline bool XMLChar1_0::isXMLChar(const XMLCh toCheck, const XMLCh toCheck2)
    00206 {
    00207     if (!toCheck2)
    00208         return ((fgCharCharsTable1_0[toCheck] & gXMLCharMask) != 0);
    00209     else {
    00210         if ((toCheck >= 0xD800) && (toCheck <= 0xDBFF))
    00211            if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF))
    00212                return true;
    00213     }
    00214     return false;
    00215 }
    00216
    00217 inline bool XMLChar1_0::isWhitespace(const XMLCh toCheck)
    00218 {
    00219     return ((fgCharCharsTable1_0[toCheck] & gWhitespaceCharMask) != 0);
    00220 }
    00221
    00222 inline bool XMLChar1_0::isWhitespace(const XMLCh toCheck, const XMLCh toCheck2)
    00223 {
    00224     if (!toCheck2)
    00225         return ((fgCharCharsTable1_0[toCheck] & gWhitespaceCharMask) != 0);
    00226     return false;
    00227 }
    00228
    00229 inline bool XMLChar1_0::isControlChar(const XMLCh toCheck, const XMLCh toCheck2)
    00230 {
    00231     if (!toCheck2)
    00232         return ((fgCharCharsTable1_0[toCheck] & gControlCharMask) != 0);
    00233     return false;
    00234 }
    00235
    00236 inline bool XMLChar1_0::isNELRecognized() {
    00237
    00238     return enableNEL;
    00239 }
    00240
    00241
    00242 // ---------------------------------------------------------------------------
    00243 //  This class is for XML 1.1
    00244 // ---------------------------------------------------------------------------
    00245 class  XMLChar1_1
    00246 {
    00247 public:
    00248     // -----------------------------------------------------------------------
    00249     //  Public, static methods, check the string
    00250     // -----------------------------------------------------------------------
    00251     static bool isAllSpaces
    00252     (
    00253         const   XMLCh* const    toCheck
    00254         , const unsigned int    count
    00255     );
    00256
    00257     static bool containsWhiteSpace
    00258     (
    00259         const   XMLCh* const    toCheck
    00260         , const unsigned int    count
    00261     );
    00262
    00263     static bool isValidNmtoken
    00264     (
    00265         const   XMLCh*        const    toCheck
    00266       , const   unsigned int           count
    00267     );
    00268
    00269     static bool isValidName
    00270     (
    00271         const   XMLCh* const    toCheck
    00272         , const unsigned int    count
    00273     );
    00274
    00275     static bool isValidNCName
    00276     (
    00277         const   XMLCh* const    toCheck
    00278         , const unsigned int    count
    00279     );
    00280
    00281     static bool isValidQName
    00282     (
    00283         const   XMLCh* const    toCheck
    00284         , const unsigned int    count
    00285     );
    00286
    00287     // -----------------------------------------------------------------------
    00288     //  Public, static methods, check the XMLCh
    00289     // -----------------------------------------------------------------------
    00290     static bool isXMLLetter(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00291     static bool isFirstNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00292     static bool isNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00293     static bool isPlainContentChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00294     static bool isSpecialStartTagChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00295     static bool isXMLChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00296     static bool isWhitespace(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00297     static bool isControlChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00298
    00299     static bool isPublicIdChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00300     static bool isFirstNCNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00301     static bool isNCNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0);
    00302
    00303 private:
    00304     // -----------------------------------------------------------------------
    00305     //  Unimplemented constructors and operators
    00306     // -----------------------------------------------------------------------
    00307     XMLChar1_1();
    00308
    00309     // -----------------------------------------------------------------------
    00310     //  Static data members
    00311     //
    00312     //  fgCharCharsTable1_1
    00313     //      The character characteristics table. Bits in each byte, represent
    00314     //      the characteristics of each character. It is generated via some
    00315     //      code and then hard coded into the cpp file for speed.
    00316     //
    00317     // -----------------------------------------------------------------------
    00318     static XMLByte  fgCharCharsTable1_1[0x10000];
    00319
    00320     friend class XMLReader;
    00321 };
    00322
    00323
    00324 // ---------------------------------------------------------------------------
    00325 //  XMLReader: Public, static methods
    00326 // ---------------------------------------------------------------------------
    00327 inline bool XMLChar1_1::isXMLLetter(const XMLCh toCheck, const XMLCh toCheck2)
    00328 {
    00330     return XMLChar1_0::isXMLLetter(toCheck, toCheck2);
    00331 }
    00332
    00333 inline bool XMLChar1_1::isFirstNameChar(const XMLCh toCheck, const XMLCh toCheck2)
    00334 {
    00335     if (!toCheck2)
    00336         return ((fgCharCharsTable1_1[toCheck] & gFirstNameCharMask) != 0);
    00337     else {
    00338         if ((toCheck >= 0xD800) && (toCheck <= 0xDB7F))
    00339            if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF))
    00340                return true;
    00341     }
    00342     return false;
    00343 }
    00344
    00345 inline bool XMLChar1_1::isFirstNCNameChar(const XMLCh toCheck, const XMLCh toCheck2)
    00346 {
    00347     if (!toCheck2) {
    00348         return (((fgCharCharsTable1_1[toCheck] & gFirstNameCharMask) != 0) && (toCheck != chColon));
    00349     }
    00350     else {
    00351         if ((toCheck >= 0xD800) && (toCheck <= 0xDB7F))
    00352            if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF))
    00353                return true;
    00354     }
    00355     return false;
    00356 }
    00357
    00358 inline bool XMLChar1_1::isNameChar(const XMLCh toCheck, const XMLCh toCheck2)
    00359 {
    00360     if (!toCheck2)
    00361         return ((fgCharCharsTable1_1[toCheck] & gNameCharMask) != 0);
    00362     else {
    00363         if ((toCheck >= 0xD800) && (toCheck <= 0xDB7F))
    00364            if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF))
    00365                return true;
    00366     }
    00367     return false;
    00368 }
    00369
    00370 inline bool XMLChar1_1::isNCNameChar(const XMLCh toCheck, const XMLCh toCheck2)
    00371 {
    00372     if (!toCheck2)
    00373         return ((fgCharCharsTable1_1[toCheck] & gNCNameCharMask) != 0);
    00374     else {
    00375         if ((toCheck >= 0xD800) && (toCheck <= 0xDB7F))
    00376            if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF))
    00377                return true;
    00378     }
    00379     return false;
    00380 }
    00381
    00382 inline bool XMLChar1_1::isPlainContentChar(const XMLCh toCheck, const XMLCh toCheck2)
    00383 {
    00384     if (!toCheck2)
    00385         return ((fgCharCharsTable1_1[toCheck] & gPlainContentCharMask) != 0);
    00386     else {
    00387         if ((toCheck >= 0xD800) && (toCheck <= 0xDBFF))
    00388            if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF))
    00389                return true;
    00390     }
    00391     return false;
    00392 }
    00393
    00394
    00395 inline bool XMLChar1_1::isSpecialStartTagChar(const XMLCh toCheck, const XMLCh toCheck2)
    00396 {
    00397     if (!toCheck2)
    00398         return ((fgCharCharsTable1_1[toCheck] & gSpecialStartTagCharMask) != 0);
    00399     return false;
    00400 }
    00401
    00402 inline bool XMLChar1_1::isXMLChar(const XMLCh toCheck, const XMLCh toCheck2)
    00403 {
    00404     if (!toCheck2)
    00405         return ((fgCharCharsTable1_1[toCheck] & gXMLCharMask) != 0);
    00406     else {
    00407         if ((toCheck >= 0xD800) && (toCheck <= 0xDBFF))
    00408            if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF))
    00409                return true;
    00410     }
    00411     return false;
    00412 }
    00413
    00414 inline bool XMLChar1_1::isWhitespace(const XMLCh toCheck, const XMLCh toCheck2)
    00415 {
    00416     if (!toCheck2)
    00417         return ((fgCharCharsTable1_1[toCheck] & gWhitespaceCharMask) != 0);
    00418     return false;
    00419 }
    00420
    00421 inline bool XMLChar1_1::isControlChar(const XMLCh toCheck, const XMLCh toCheck2)
    00422 {
    00423     if (!toCheck2)
    00424         return ((fgCharCharsTable1_1[toCheck] & gControlCharMask) != 0);
    00425     return false;
    00426 }
    00427
    00428
    00429 XERCES_CPP_NAMESPACE_END
    00430
    00431 #endif

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