[111] | 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: Token.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(TOKEN_HPP) |
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| 23 | #define TOKEN_HPP |
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| 24 | |
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| 25 | // --------------------------------------------------------------------------- |
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| 26 | // Includes |
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| 27 | // --------------------------------------------------------------------------- |
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| 28 | #include <xercesc/util/RuntimeException.hpp> |
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| 29 | #include <xercesc/util/PlatformUtils.hpp> |
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| 30 | |
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| 31 | XERCES_CPP_NAMESPACE_BEGIN |
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| 32 | |
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| 33 | // --------------------------------------------------------------------------- |
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| 34 | // Forward Declaration |
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| 35 | // --------------------------------------------------------------------------- |
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| 36 | class RangeToken; |
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| 37 | class TokenFactory; |
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| 38 | |
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| 39 | |
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| 40 | class XMLUTIL_EXPORT Token : public XMemory |
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| 41 | { |
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| 42 | public: |
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| 43 | // ----------------------------------------------------------------------- |
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| 44 | // Public Constructors and Destructor |
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| 45 | // ----------------------------------------------------------------------- |
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| 46 | Token(const unsigned short tokType |
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| 47 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager |
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| 48 | ); |
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| 49 | virtual ~Token(); |
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| 50 | |
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| 51 | // ----------------------------------------------------------------------- |
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| 52 | // Public Constants |
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| 53 | // ----------------------------------------------------------------------- |
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| 54 | // Token types |
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| 55 | enum { |
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| 56 | T_CHAR = 0, |
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| 57 | T_CONCAT = 1, |
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| 58 | T_UNION = 2, |
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| 59 | T_CLOSURE = 3, |
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| 60 | T_RANGE = 4, |
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| 61 | T_NRANGE = 5, |
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| 62 | T_PAREN = 6, |
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| 63 | T_EMPTY = 7, |
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| 64 | T_ANCHOR = 8, |
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| 65 | T_NONGREEDYCLOSURE = 9, |
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| 66 | T_STRING = 10, |
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| 67 | T_DOT = 11, |
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| 68 | T_BACKREFERENCE = 12, |
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| 69 | T_LOOKAHEAD = 20, |
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| 70 | T_NEGATIVELOOKAHEAD = 21, |
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| 71 | T_LOOKBEHIND = 22, |
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| 72 | T_NEGATIVELOOKBEHIND = 23, |
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| 73 | T_INDEPENDENT = 24, |
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| 74 | T_MODIFIERGROUP = 25, |
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| 75 | T_CONDITION = 26 |
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| 76 | }; |
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| 77 | |
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| 78 | static const XMLInt32 UTF16_MAX; |
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| 79 | static const unsigned short FC_CONTINUE; |
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| 80 | static const unsigned short FC_TERMINAL; |
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| 81 | static const unsigned short FC_ANY; |
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| 82 | |
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| 83 | // ----------------------------------------------------------------------- |
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| 84 | // Getter methods |
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| 85 | // ----------------------------------------------------------------------- |
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| 86 | unsigned short getTokenType() const; |
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| 87 | int getMinLength() const; |
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| 88 | int getMaxLength() const; |
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| 89 | virtual Token* getChild(const int index) const; |
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| 90 | virtual int size() const; |
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| 91 | virtual int getMin() const; |
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| 92 | virtual int getMax() const; |
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| 93 | virtual int getNoParen() const; |
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| 94 | virtual int getReferenceNo() const; |
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| 95 | virtual const XMLCh* getString() const; |
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| 96 | virtual XMLInt32 getChar() const; |
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| 97 | |
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| 98 | // ----------------------------------------------------------------------- |
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| 99 | // Setter methods |
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| 100 | // ----------------------------------------------------------------------- |
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| 101 | void setTokenType(const unsigned short tokType); |
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| 102 | virtual void setMin(const int minVal); |
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| 103 | virtual void setMax(const int maxVal); |
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| 104 | |
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| 105 | // ----------------------------------------------------------------------- |
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| 106 | // Range manipulation methods |
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| 107 | // ----------------------------------------------------------------------- |
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| 108 | virtual void addRange(const XMLInt32 start, const XMLInt32 end); |
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| 109 | virtual void mergeRanges(const Token *const tok); |
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| 110 | virtual void sortRanges(); |
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| 111 | virtual void compactRanges(); |
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| 112 | virtual void subtractRanges(RangeToken* const tok); |
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| 113 | virtual void intersectRanges(RangeToken* const tok); |
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| 114 | |
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| 115 | // ----------------------------------------------------------------------- |
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| 116 | // Putter methods |
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| 117 | // ----------------------------------------------------------------------- |
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| 118 | virtual void addChild(Token* const child, TokenFactory* const tokFactory); |
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| 119 | |
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| 120 | // ----------------------------------------------------------------------- |
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| 121 | // Helper methods |
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| 122 | // ----------------------------------------------------------------------- |
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| 123 | int analyzeFirstCharacter(RangeToken* const rangeTok, const int options, |
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| 124 | TokenFactory* const tokFactory); |
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| 125 | Token* findFixedString(int options, int& outOptions); |
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| 126 | |
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| 127 | private: |
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| 128 | // ----------------------------------------------------------------------- |
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| 129 | // Unimplemented constructors and operators |
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| 130 | // ----------------------------------------------------------------------- |
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| 131 | Token(const Token&); |
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| 132 | Token& operator=(const Token&); |
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| 133 | |
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| 134 | // ----------------------------------------------------------------------- |
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| 135 | // Private Helper methods |
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| 136 | // ----------------------------------------------------------------------- |
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| 137 | bool isSet(const int options, const unsigned int flag); |
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| 138 | bool isShorterThan(Token* const tok); |
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| 139 | |
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| 140 | // ----------------------------------------------------------------------- |
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| 141 | // Private data members |
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| 142 | // ----------------------------------------------------------------------- |
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| 143 | unsigned short fTokenType; |
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| 144 | protected: |
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| 145 | MemoryManager* const fMemoryManager; |
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| 146 | }; |
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| 147 | |
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| 148 | |
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| 149 | // --------------------------------------------------------------------------- |
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| 150 | // Token: getter methods |
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| 151 | // --------------------------------------------------------------------------- |
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| 152 | inline unsigned short Token::getTokenType() const { |
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| 153 | |
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| 154 | return fTokenType; |
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| 155 | } |
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| 156 | |
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| 157 | inline int Token::size() const { |
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| 158 | |
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| 159 | return 0; |
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| 160 | } |
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| 161 | |
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| 162 | inline Token* Token::getChild(const int) const { |
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| 163 | |
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| 164 | return 0; |
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| 165 | } |
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| 166 | |
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| 167 | inline int Token::getMin() const { |
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| 168 | |
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| 169 | return -1; |
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| 170 | } |
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| 171 | |
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| 172 | inline int Token::getMax() const { |
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| 173 | |
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| 174 | return -1; |
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| 175 | } |
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| 176 | |
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| 177 | inline int Token::getReferenceNo() const { |
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| 178 | |
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| 179 | return 0; |
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| 180 | } |
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| 181 | |
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| 182 | inline int Token::getNoParen() const { |
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| 183 | |
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| 184 | return 0; |
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| 185 | } |
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| 186 | |
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| 187 | inline const XMLCh* Token::getString() const { |
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| 188 | |
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| 189 | return 0; |
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| 190 | } |
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| 191 | |
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| 192 | inline XMLInt32 Token::getChar() const { |
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| 193 | |
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| 194 | return -1; |
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| 195 | } |
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| 196 | |
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| 197 | // --------------------------------------------------------------------------- |
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| 198 | // Token: setter methods |
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| 199 | // --------------------------------------------------------------------------- |
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| 200 | inline void Token::setTokenType(const unsigned short tokType) { |
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| 201 | |
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| 202 | fTokenType = tokType; |
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| 203 | } |
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| 204 | |
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| 205 | inline void Token::setMax(const int) { |
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| 206 | // ClosureToken |
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| 207 | } |
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| 208 | |
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| 209 | inline void Token::setMin(const int) { |
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| 210 | // ClosureToken |
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| 211 | } |
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| 212 | |
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| 213 | inline bool Token::isSet(const int options, const unsigned int flag) { |
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| 214 | |
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| 215 | return (options & flag) == flag; |
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| 216 | } |
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| 217 | |
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| 218 | // --------------------------------------------------------------------------- |
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| 219 | // Token: setter methods |
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| 220 | // --------------------------------------------------------------------------- |
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| 221 | inline void Token::addChild(Token* const, TokenFactory* const) { |
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| 222 | |
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| 223 | ThrowXMLwithMemMgr(RuntimeException, XMLExcepts::Regex_NotSupported, fMemoryManager); |
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| 224 | } |
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| 225 | |
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| 226 | // --------------------------------------------------------------------------- |
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| 227 | // Token: Range manipulation methods |
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| 228 | // --------------------------------------------------------------------------- |
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| 229 | inline void Token::addRange(const XMLInt32, const XMLInt32) { |
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| 230 | |
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| 231 | ThrowXMLwithMemMgr(RuntimeException, XMLExcepts::Regex_NotSupported, fMemoryManager); |
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| 232 | } |
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| 233 | |
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| 234 | inline void Token::mergeRanges(const Token *const) { |
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| 235 | |
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| 236 | ThrowXMLwithMemMgr(RuntimeException, XMLExcepts::Regex_NotSupported, fMemoryManager); |
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| 237 | } |
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| 238 | |
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| 239 | inline void Token::sortRanges() { |
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| 240 | |
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| 241 | ThrowXMLwithMemMgr(RuntimeException, XMLExcepts::Regex_NotSupported, fMemoryManager); |
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| 242 | } |
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| 243 | |
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| 244 | inline void Token::compactRanges() { |
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| 245 | |
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| 246 | ThrowXMLwithMemMgr(RuntimeException, XMLExcepts::Regex_NotSupported, fMemoryManager); |
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| 247 | } |
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| 248 | |
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| 249 | inline void Token::subtractRanges(RangeToken* const) { |
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| 250 | |
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| 251 | ThrowXMLwithMemMgr(RuntimeException, XMLExcepts::Regex_NotSupported, fMemoryManager); |
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| 252 | } |
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| 253 | |
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| 254 | inline void Token::intersectRanges(RangeToken* const) { |
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| 255 | |
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| 256 | ThrowXMLwithMemMgr(RuntimeException, XMLExcepts::Regex_NotSupported, fMemoryManager); |
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| 257 | } |
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| 258 | |
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| 259 | XERCES_CPP_NAMESPACE_END |
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| 260 | |
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| 261 | #endif |
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| 262 | |
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| 263 | /** |
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| 264 | * End of file Token.hpp |
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| 265 | */ |
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