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: BMPattern.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(BMPATTERN_HPP) |
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23 | #define BMPATTERN_HPP |
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24 | // --------------------------------------------------------------------------- |
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25 | // Includes |
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26 | // --------------------------------------------------------------------------- |
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27 | #include <xercesc/util/XMemory.hpp> |
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28 | #include <xercesc/util/PlatformUtils.hpp> |
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29 | |
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30 | XERCES_CPP_NAMESPACE_BEGIN |
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31 | |
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32 | class XMLUTIL_EXPORT BMPattern : public XMemory |
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33 | { |
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34 | public: |
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35 | // ----------------------------------------------------------------------- |
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36 | // Public Constructors and Destructor |
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37 | // ----------------------------------------------------------------------- |
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38 | /** @name Constructors */ |
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39 | //@{ |
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40 | |
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41 | /** |
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42 | * This is the onstructor which takes the pattern information. A default |
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43 | * shift table size is used. |
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44 | * |
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45 | * @param pattern The pattern to match against. |
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46 | * |
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47 | * @param ignoreCase A flag to indicate whether to ignore case |
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48 | * matching or not. |
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49 | * |
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50 | * @param manager The configurable memory manager |
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51 | */ |
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52 | BMPattern |
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53 | ( |
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54 | const XMLCh* const pattern |
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55 | , bool ignoreCase |
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56 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager |
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57 | ); |
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58 | |
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59 | /** |
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60 | * This is the constructor which takes all of the information |
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61 | * required to construct a BM pattern object. |
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62 | * |
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63 | * @param pattern The pattern to match against. |
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64 | * |
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65 | * @param tableSize Indicates the size of the shift table. |
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66 | * |
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67 | * @param ignoreCase A flag to indicate whether to ignore case |
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68 | * matching or not. |
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69 | * |
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70 | * @param manager The configurable memory manager |
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71 | */ |
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72 | BMPattern |
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73 | ( |
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74 | const XMLCh* const pattern |
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75 | , int tableSize |
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76 | , bool ignoreCase |
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77 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager |
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78 | ); |
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79 | |
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80 | //@} |
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81 | |
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82 | /** @name Destructor. */ |
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83 | //@{ |
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84 | |
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85 | /** |
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86 | * Destructor of BMPattern |
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87 | */ |
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88 | ~BMPattern(); |
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89 | |
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90 | //@} |
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91 | |
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92 | // ----------------------------------------------------------------------- |
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93 | // Matching functions |
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94 | // ----------------------------------------------------------------------- |
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95 | /** @name Matching Functions */ |
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96 | //@{ |
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97 | |
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98 | /** |
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99 | * This method will perform a match of the given content against a |
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100 | * predefined pattern. |
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101 | */ |
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102 | int matches(const XMLCh* const content, int start, int limit); |
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103 | |
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104 | //@} |
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105 | |
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106 | private : |
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107 | // ----------------------------------------------------------------------- |
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108 | // Unimplemented constructors and operators |
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109 | // ----------------------------------------------------------------------- |
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110 | BMPattern(); |
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111 | BMPattern(const BMPattern&); |
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112 | BMPattern& operator=(const BMPattern&); |
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113 | |
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114 | // ----------------------------------------------------------------------- |
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115 | // This method will perform a case insensitive match |
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116 | // ----------------------------------------------------------------------- |
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117 | bool matchesIgnoreCase(const XMLCh ch1, const XMLCh ch2); |
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118 | |
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119 | // ----------------------------------------------------------------------- |
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120 | // Initialize/Clean up methods |
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121 | // ----------------------------------------------------------------------- |
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122 | void initialize(); |
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123 | void cleanUp(); |
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124 | |
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125 | // ----------------------------------------------------------------------- |
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126 | // Private data members |
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127 | // |
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128 | // fPattern |
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129 | // fUppercasePattern |
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130 | // This is the pattern to match against, and its upper case form. |
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131 | // |
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132 | // fIgnoreCase |
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133 | // This is an indicator whether cases should be ignored during |
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134 | // matching. |
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135 | // |
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136 | // fShiftTable |
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137 | // fShiftTableLen |
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138 | // This is a table of offsets for shifting purposes used by the BM |
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139 | // search algorithm, and its length. |
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140 | // ----------------------------------------------------------------------- |
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141 | bool fIgnoreCase; |
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142 | unsigned int fShiftTableLen; |
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143 | int* fShiftTable; |
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144 | XMLCh* fPattern; |
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145 | XMLCh* fUppercasePattern; |
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146 | MemoryManager* fMemoryManager; |
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147 | }; |
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148 | |
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149 | XERCES_CPP_NAMESPACE_END |
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150 | |
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151 | #endif |
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152 | |
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153 | /* |
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154 | * End of file BMPattern.hpp |
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155 | */ |
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156 | |
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