[2674] | 1 | /* |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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| 3 | * contributor license agreements. See the NOTICE file distributed with |
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| 4 | * this work for additional information regarding copyright ownership. |
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| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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| 6 | * (the "License"); you may not use this file except in compliance with |
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| 7 | * the License. You may obtain a copy of the License at |
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| 8 | * |
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 10 | * |
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| 11 | * Unless required by applicable law or agreed to in writing, software |
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 14 | * See the License for the specific language governing permissions and |
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| 15 | * limitations under the License. |
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| 16 | */ |
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| 17 | |
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| 18 | /* |
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| 19 | * $Id: XMLChar.hpp 568078 2007-08-21 11:43:25Z amassari $ |
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| 20 | */ |
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| 21 | |
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| 22 | #if !defined(XMLCHAR_HPP) |
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| 23 | #define XMLCHAR_HPP |
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| 24 | |
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| 25 | #include <xercesc/util/XMLUniDefs.hpp> |
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| 26 | |
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| 27 | XERCES_CPP_NAMESPACE_BEGIN |
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| 28 | |
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| 29 | // --------------------------------------------------------------------------- |
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| 30 | // This file defines Char and utility that conforms to XML 1.0 and XML 1.1 |
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| 31 | // --------------------------------------------------------------------------- |
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| 32 | // Masks for the fgCharCharsTable1_0 array |
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| 33 | const XMLByte gNCNameCharMask = 0x1; |
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| 34 | const XMLByte gFirstNameCharMask = 0x2; |
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| 35 | const XMLByte gNameCharMask = 0x4; |
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| 36 | const XMLByte gPlainContentCharMask = 0x8; |
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| 37 | const XMLByte gSpecialStartTagCharMask = 0x10; |
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| 38 | const XMLByte gControlCharMask = 0x20; |
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| 39 | const XMLByte gXMLCharMask = 0x40; |
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| 40 | const XMLByte gWhitespaceCharMask = 0x80; |
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| 41 | |
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| 42 | // --------------------------------------------------------------------------- |
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| 43 | // This class is for XML 1.0 |
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| 44 | // --------------------------------------------------------------------------- |
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| 45 | class XMLUTIL_EXPORT XMLChar1_0 |
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| 46 | { |
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| 47 | public: |
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| 48 | // ----------------------------------------------------------------------- |
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| 49 | // Public, static methods, check the string |
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| 50 | // ----------------------------------------------------------------------- |
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| 51 | static bool isAllSpaces |
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| 52 | ( |
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| 53 | const XMLCh* const toCheck |
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| 54 | , const unsigned int count |
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| 55 | ); |
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| 56 | |
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| 57 | static bool containsWhiteSpace |
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| 58 | ( |
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| 59 | const XMLCh* const toCheck |
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| 60 | , const unsigned int count |
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| 61 | ); |
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| 62 | |
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| 63 | static bool isValidNmtoken |
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| 64 | ( |
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| 65 | const XMLCh* const toCheck |
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| 66 | , const unsigned int count |
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| 67 | ); |
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| 68 | |
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| 69 | static bool isValidName |
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| 70 | ( |
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| 71 | const XMLCh* const toCheck |
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| 72 | , const unsigned int count |
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| 73 | ); |
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| 74 | |
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| 75 | static bool isValidName |
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| 76 | ( |
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| 77 | const XMLCh* const toCheck |
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| 78 | ); |
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| 79 | |
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| 80 | static bool isValidNCName |
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| 81 | ( |
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| 82 | const XMLCh* const toCheck |
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| 83 | , const unsigned int count |
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| 84 | ); |
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| 85 | |
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| 86 | static bool isValidQName |
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| 87 | ( |
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| 88 | const XMLCh* const toCheck |
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| 89 | , const unsigned int count |
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| 90 | ); |
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| 91 | |
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| 92 | // ----------------------------------------------------------------------- |
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| 93 | // Public, static methods, check the XMLCh |
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| 94 | // surrogate pair is assumed if second parameter is not null |
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| 95 | // ----------------------------------------------------------------------- |
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| 96 | static bool isXMLLetter(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 97 | static bool isFirstNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 98 | static bool isNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 99 | static bool isPlainContentChar(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 100 | static bool isSpecialStartTagChar(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 101 | static bool isXMLChar(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 102 | static bool isWhitespace(const XMLCh toCheck); |
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| 103 | static bool isWhitespace(const XMLCh toCheck, const XMLCh toCheck2); |
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| 104 | static bool isControlChar(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 105 | |
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| 106 | static bool isPublicIdChar(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 107 | static bool isFirstNCNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 108 | static bool isNCNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 109 | |
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| 110 | // ----------------------------------------------------------------------- |
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| 111 | // Special Non-conformant Public, static methods |
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| 112 | // ----------------------------------------------------------------------- |
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| 113 | /** |
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| 114 | * Return true if NEL (0x85) and LSEP (0x2028) to be treated as white space char. |
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| 115 | */ |
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| 116 | static bool isNELRecognized(); |
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| 117 | |
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| 118 | /** |
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| 119 | * Method to enable NEL (0x85) and LSEP (0x2028) to be treated as white space char. |
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| 120 | */ |
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| 121 | static void enableNELWS(); |
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| 122 | |
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| 123 | private: |
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| 124 | // ----------------------------------------------------------------------- |
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| 125 | // Unimplemented constructors and operators |
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| 126 | // ----------------------------------------------------------------------- |
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| 127 | XMLChar1_0(); |
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| 128 | |
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| 129 | // ----------------------------------------------------------------------- |
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| 130 | // Static data members |
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| 131 | // |
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| 132 | // fgCharCharsTable1_0 |
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| 133 | // The character characteristics table. Bits in each byte, represent |
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| 134 | // the characteristics of each character. It is generated via some |
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| 135 | // code and then hard coded into the cpp file for speed. |
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| 136 | // |
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| 137 | // fNEL |
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| 138 | // Flag to respresents whether NEL and LSEP newline recognition is enabled |
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| 139 | // or disabled |
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| 140 | // ----------------------------------------------------------------------- |
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| 141 | static XMLByte fgCharCharsTable1_0[0x10000]; |
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| 142 | static bool enableNEL; |
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| 143 | |
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| 144 | friend class XMLReader; |
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| 145 | }; |
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| 146 | |
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| 147 | |
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| 148 | // --------------------------------------------------------------------------- |
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| 149 | // XMLReader: Public, static methods |
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| 150 | // --------------------------------------------------------------------------- |
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| 151 | inline bool XMLChar1_0::isXMLLetter(const XMLCh toCheck, const XMLCh toCheck2) |
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| 152 | { |
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| 153 | // An XML letter is a FirstNameChar minus ':' and '_'. |
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| 154 | if (!toCheck2) { |
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| 155 | return (((fgCharCharsTable1_0[toCheck] & gFirstNameCharMask) != 0) |
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| 156 | && (toCheck != chColon) && (toCheck != chUnderscore)); |
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| 157 | } |
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| 158 | return false; |
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| 159 | } |
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| 160 | |
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| 161 | inline bool XMLChar1_0::isFirstNameChar(const XMLCh toCheck, const XMLCh toCheck2) |
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| 162 | { |
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| 163 | if (!toCheck2) |
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| 164 | return ((fgCharCharsTable1_0[toCheck] & gFirstNameCharMask) != 0); |
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| 165 | return false; |
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| 166 | } |
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| 167 | |
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| 168 | inline bool XMLChar1_0::isFirstNCNameChar(const XMLCh toCheck, const XMLCh toCheck2) |
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| 169 | { |
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| 170 | if (!toCheck2) { |
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| 171 | return (((fgCharCharsTable1_0[toCheck] & gFirstNameCharMask) != 0) && (toCheck != chColon)); |
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| 172 | } |
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| 173 | |
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| 174 | return false; |
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| 175 | } |
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| 176 | |
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| 177 | inline bool XMLChar1_0::isNameChar(const XMLCh toCheck, const XMLCh toCheck2) |
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| 178 | { |
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| 179 | if (!toCheck2) |
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| 180 | return ((fgCharCharsTable1_0[toCheck] & gNameCharMask) != 0); |
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| 181 | return false; |
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| 182 | } |
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| 183 | |
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| 184 | inline bool XMLChar1_0::isNCNameChar(const XMLCh toCheck, const XMLCh toCheck2) |
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| 185 | { |
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| 186 | if (!toCheck2) |
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| 187 | return ((fgCharCharsTable1_0[toCheck] & gNCNameCharMask) != 0); |
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| 188 | return false; |
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| 189 | } |
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| 190 | |
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| 191 | inline bool XMLChar1_0::isPlainContentChar(const XMLCh toCheck, const XMLCh toCheck2) |
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| 192 | { |
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| 193 | if (!toCheck2) |
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| 194 | return ((fgCharCharsTable1_0[toCheck] & gPlainContentCharMask) != 0); |
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| 195 | else { |
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| 196 | if ((toCheck >= 0xD800) && (toCheck <= 0xDBFF)) |
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| 197 | if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF)) |
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| 198 | return true; |
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| 199 | } |
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| 200 | return false; |
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| 201 | } |
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| 202 | |
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| 203 | |
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| 204 | inline bool XMLChar1_0::isSpecialStartTagChar(const XMLCh toCheck, const XMLCh toCheck2) |
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| 205 | { |
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| 206 | if (!toCheck2) |
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| 207 | return ((fgCharCharsTable1_0[toCheck] & gSpecialStartTagCharMask) != 0); |
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| 208 | return false; |
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| 209 | } |
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| 210 | |
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| 211 | inline bool XMLChar1_0::isXMLChar(const XMLCh toCheck, const XMLCh toCheck2) |
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| 212 | { |
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| 213 | if (!toCheck2) |
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| 214 | return ((fgCharCharsTable1_0[toCheck] & gXMLCharMask) != 0); |
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| 215 | else { |
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| 216 | if ((toCheck >= 0xD800) && (toCheck <= 0xDBFF)) |
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| 217 | if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF)) |
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| 218 | return true; |
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| 219 | } |
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| 220 | return false; |
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| 221 | } |
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| 222 | |
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| 223 | inline bool XMLChar1_0::isWhitespace(const XMLCh toCheck) |
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| 224 | { |
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| 225 | return ((fgCharCharsTable1_0[toCheck] & gWhitespaceCharMask) != 0); |
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| 226 | } |
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| 227 | |
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| 228 | inline bool XMLChar1_0::isWhitespace(const XMLCh toCheck, const XMLCh toCheck2) |
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| 229 | { |
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| 230 | if (!toCheck2) |
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| 231 | return ((fgCharCharsTable1_0[toCheck] & gWhitespaceCharMask) != 0); |
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| 232 | return false; |
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| 233 | } |
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| 234 | |
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| 235 | inline bool XMLChar1_0::isControlChar(const XMLCh toCheck, const XMLCh toCheck2) |
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| 236 | { |
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| 237 | if (!toCheck2) |
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| 238 | return ((fgCharCharsTable1_0[toCheck] & gControlCharMask) != 0); |
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| 239 | return false; |
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| 240 | } |
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| 241 | |
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| 242 | inline bool XMLChar1_0::isNELRecognized() { |
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| 243 | |
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| 244 | return enableNEL; |
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| 245 | } |
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| 246 | |
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| 247 | |
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| 248 | // --------------------------------------------------------------------------- |
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| 249 | // This class is for XML 1.1 |
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| 250 | // --------------------------------------------------------------------------- |
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| 251 | class XMLUTIL_EXPORT XMLChar1_1 |
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| 252 | { |
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| 253 | public: |
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| 254 | // ----------------------------------------------------------------------- |
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| 255 | // Public, static methods, check the string |
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| 256 | // ----------------------------------------------------------------------- |
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| 257 | static bool isAllSpaces |
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| 258 | ( |
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| 259 | const XMLCh* const toCheck |
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| 260 | , const unsigned int count |
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| 261 | ); |
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| 262 | |
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| 263 | static bool containsWhiteSpace |
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| 264 | ( |
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| 265 | const XMLCh* const toCheck |
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| 266 | , const unsigned int count |
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| 267 | ); |
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| 268 | |
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| 269 | static bool isValidNmtoken |
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| 270 | ( |
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| 271 | const XMLCh* const toCheck |
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| 272 | , const unsigned int count |
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| 273 | ); |
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| 274 | |
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| 275 | static bool isValidName |
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| 276 | ( |
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| 277 | const XMLCh* const toCheck |
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| 278 | , const unsigned int count |
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| 279 | ); |
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| 280 | |
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| 281 | static bool isValidName |
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| 282 | ( |
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| 283 | const XMLCh* const toCheck |
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| 284 | ); |
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| 285 | |
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| 286 | static bool isValidNCName |
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| 287 | ( |
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| 288 | const XMLCh* const toCheck |
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| 289 | , const unsigned int count |
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| 290 | ); |
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| 291 | |
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| 292 | static bool isValidQName |
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| 293 | ( |
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| 294 | const XMLCh* const toCheck |
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| 295 | , const unsigned int count |
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| 296 | ); |
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| 297 | |
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| 298 | // ----------------------------------------------------------------------- |
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| 299 | // Public, static methods, check the XMLCh |
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| 300 | // ----------------------------------------------------------------------- |
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| 301 | static bool isXMLLetter(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 302 | static bool isFirstNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 303 | static bool isNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 304 | static bool isPlainContentChar(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 305 | static bool isSpecialStartTagChar(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 306 | static bool isXMLChar(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 307 | static bool isWhitespace(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 308 | static bool isControlChar(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 309 | |
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| 310 | static bool isPublicIdChar(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 311 | static bool isFirstNCNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 312 | static bool isNCNameChar(const XMLCh toCheck, const XMLCh toCheck2 = 0); |
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| 313 | |
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| 314 | private: |
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| 315 | // ----------------------------------------------------------------------- |
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| 316 | // Unimplemented constructors and operators |
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| 317 | // ----------------------------------------------------------------------- |
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| 318 | XMLChar1_1(); |
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| 319 | |
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| 320 | // ----------------------------------------------------------------------- |
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| 321 | // Static data members |
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| 322 | // |
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| 323 | // fgCharCharsTable1_1 |
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| 324 | // The character characteristics table. Bits in each byte, represent |
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| 325 | // the characteristics of each character. It is generated via some |
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| 326 | // code and then hard coded into the cpp file for speed. |
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| 327 | // |
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| 328 | // ----------------------------------------------------------------------- |
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| 329 | static XMLByte fgCharCharsTable1_1[0x10000]; |
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| 330 | |
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| 331 | friend class XMLReader; |
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| 332 | }; |
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| 333 | |
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| 334 | |
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| 335 | // --------------------------------------------------------------------------- |
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| 336 | // XMLReader: Public, static methods |
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| 337 | // --------------------------------------------------------------------------- |
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| 338 | inline bool XMLChar1_1::isXMLLetter(const XMLCh toCheck, const XMLCh toCheck2) |
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| 339 | { |
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| 340 | /** XML 1.1 does not define a letter, so we use the 1.0 definition */ |
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| 341 | return XMLChar1_0::isXMLLetter(toCheck, toCheck2); |
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| 342 | } |
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| 343 | |
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| 344 | inline bool XMLChar1_1::isFirstNameChar(const XMLCh toCheck, const XMLCh toCheck2) |
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| 345 | { |
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| 346 | if (!toCheck2) |
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| 347 | return ((fgCharCharsTable1_1[toCheck] & gFirstNameCharMask) != 0); |
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| 348 | else { |
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| 349 | if ((toCheck >= 0xD800) && (toCheck <= 0xDB7F)) |
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| 350 | if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF)) |
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| 351 | return true; |
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| 352 | } |
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| 353 | return false; |
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| 354 | } |
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| 355 | |
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| 356 | inline bool XMLChar1_1::isFirstNCNameChar(const XMLCh toCheck, const XMLCh toCheck2) |
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| 357 | { |
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| 358 | if (!toCheck2) { |
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| 359 | return (((fgCharCharsTable1_1[toCheck] & gFirstNameCharMask) != 0) && (toCheck != chColon)); |
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| 360 | } |
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| 361 | else { |
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| 362 | if ((toCheck >= 0xD800) && (toCheck <= 0xDB7F)) |
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| 363 | if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF)) |
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| 364 | return true; |
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| 365 | } |
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| 366 | return false; |
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| 367 | } |
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| 368 | |
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| 369 | inline bool XMLChar1_1::isNameChar(const XMLCh toCheck, const XMLCh toCheck2) |
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| 370 | { |
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| 371 | if (!toCheck2) |
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| 372 | return ((fgCharCharsTable1_1[toCheck] & gNameCharMask) != 0); |
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| 373 | else { |
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| 374 | if ((toCheck >= 0xD800) && (toCheck <= 0xDB7F)) |
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| 375 | if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF)) |
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| 376 | return true; |
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| 377 | } |
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| 378 | return false; |
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| 379 | } |
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| 380 | |
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| 381 | inline bool XMLChar1_1::isNCNameChar(const XMLCh toCheck, const XMLCh toCheck2) |
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| 382 | { |
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| 383 | if (!toCheck2) |
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| 384 | return ((fgCharCharsTable1_1[toCheck] & gNCNameCharMask) != 0); |
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| 385 | else { |
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| 386 | if ((toCheck >= 0xD800) && (toCheck <= 0xDB7F)) |
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| 387 | if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF)) |
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| 388 | return true; |
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| 389 | } |
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| 390 | return false; |
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| 391 | } |
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| 392 | |
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| 393 | inline bool XMLChar1_1::isPlainContentChar(const XMLCh toCheck, const XMLCh toCheck2) |
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| 394 | { |
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| 395 | if (!toCheck2) |
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| 396 | return ((fgCharCharsTable1_1[toCheck] & gPlainContentCharMask) != 0); |
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| 397 | else { |
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| 398 | if ((toCheck >= 0xD800) && (toCheck <= 0xDBFF)) |
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| 399 | if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF)) |
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| 400 | return true; |
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| 401 | } |
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| 402 | return false; |
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| 403 | } |
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| 404 | |
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| 405 | |
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| 406 | inline bool XMLChar1_1::isSpecialStartTagChar(const XMLCh toCheck, const XMLCh toCheck2) |
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| 407 | { |
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| 408 | if (!toCheck2) |
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| 409 | return ((fgCharCharsTable1_1[toCheck] & gSpecialStartTagCharMask) != 0); |
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| 410 | return false; |
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| 411 | } |
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| 412 | |
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| 413 | inline bool XMLChar1_1::isXMLChar(const XMLCh toCheck, const XMLCh toCheck2) |
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| 414 | { |
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| 415 | if (!toCheck2) |
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| 416 | return ((fgCharCharsTable1_1[toCheck] & gXMLCharMask) != 0); |
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| 417 | else { |
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| 418 | if ((toCheck >= 0xD800) && (toCheck <= 0xDBFF)) |
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| 419 | if ((toCheck2 >= 0xDC00) && (toCheck2 <= 0xDFFF)) |
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| 420 | return true; |
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| 421 | } |
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| 422 | return false; |
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| 423 | } |
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| 424 | |
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| 425 | inline bool XMLChar1_1::isWhitespace(const XMLCh toCheck, const XMLCh toCheck2) |
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| 426 | { |
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| 427 | if (!toCheck2) |
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| 428 | return ((fgCharCharsTable1_1[toCheck] & gWhitespaceCharMask) != 0); |
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| 429 | return false; |
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| 430 | } |
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| 431 | |
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| 432 | inline bool XMLChar1_1::isControlChar(const XMLCh toCheck, const XMLCh toCheck2) |
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| 433 | { |
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| 434 | if (!toCheck2) |
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| 435 | return ((fgCharCharsTable1_1[toCheck] & gControlCharMask) != 0); |
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| 436 | return false; |
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| 437 | } |
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| 438 | |
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| 439 | |
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| 440 | XERCES_CPP_NAMESPACE_END |
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| 441 | |
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| 442 | #endif |
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