1 /* 2 Open Tracker License 3 4 Terms and Conditions 5 6 Copyright (c) 1991-2000, Be Incorporated. All rights reserved. 7 8 Permission is hereby granted, free of charge, to any person obtaining a copy of 9 this software and associated documentation files (the "Software"), to deal in 10 the Software without restriction, including without limitation the rights to 11 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 12 of the Software, and to permit persons to whom the Software is furnished to do 13 so, subject to the following conditions: 14 15 The above copyright notice and this permission notice applies to all licensees 16 and shall be included in all copies or substantial portions of the Software. 17 18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY, 20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 22 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION 23 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 25 Except as contained in this notice, the name of Be Incorporated shall not be 26 used in advertising or otherwise to promote the sale, use or other dealings in 27 this Software without prior written authorization from Be Incorporated. 28 29 Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered trademarks 30 of Be Incorporated in the United States and other countries. Other brand product 31 names are registered trademarks or trademarks of their respective holders. 32 All rights reserved. 33 */ 34 #ifndef _TRACKER_STRING_H 35 #define _TRACKER_STRING_H 36 37 38 #include <ctype.h> 39 40 #include <OS.h> 41 #include <String.h> 42 43 #include "RegExp.h" 44 45 46 namespace BPrivate { 47 48 enum TrackerStringExpressionType { 49 kNone = B_ERROR, 50 kStartsWith = 0, 51 kEndsWith, 52 kContains, 53 kGlobMatch, 54 kRegexpMatch 55 }; 56 57 58 class TrackerString : public BString 59 { 60 public: 61 TrackerString(); 62 TrackerString(const char*); 63 TrackerString(const TrackerString&); 64 TrackerString(const char*, int32 maxLength); 65 ~TrackerString(); 66 67 bool Matches(const char*, bool caseSensitivity = false, 68 TrackerStringExpressionType expressionType = kGlobMatch) const; 69 70 bool MatchesRegExp(const char*, bool caseSensitivity = true) const; 71 bool MatchesRegExp(const RegExp&) const; 72 bool MatchesRegExp(const RegExp*) const; 73 74 bool MatchesGlob(const char*, bool caseSensitivity = false) const; 75 bool EndsWith(const char*, bool caseSensitivity = false) const; 76 bool StartsWith(const char*, bool caseSensitivity = false) const; 77 bool Contains(const char*, bool caseSensitivity = false) const; 78 79 int32 FindFirst(const BString&) const; 80 int32 FindFirst(const char*) const; 81 int32 FindFirst(const BString&, int32 fromOffset) const; 82 int32 FindFirst(const char*, int32 fromOffset) const; 83 int32 FindFirst(char) const; 84 int32 FindFirst(char, int32 fromOffset) const; 85 86 int32 FindLast(const BString&) const; 87 int32 FindLast(const char*) const; 88 int32 FindLast(const BString&, int32 beforeOffset) const; 89 int32 FindLast(const char*, int32 beforeOffset) const; 90 int32 FindLast(char) const; 91 int32 FindLast(char, int32 beforeOffset) const; 92 93 int32 IFindFirst(const BString&) const; 94 int32 IFindFirst(const char*) const; 95 int32 IFindFirst(const BString&, int32 fromOffset) const; 96 int32 IFindFirst(const char*, int32 fromOffset) const; 97 98 int32 IFindLast(const BString&) const; 99 int32 IFindLast(const char*) const; 100 int32 IFindLast(const BString&, int32 beforeOffset) const; 101 int32 IFindLast(const char*, int32 beforeOffset) const; 102 103 private: 104 bool IsGlyph(char) const; 105 bool IsInsideGlyph(char) const; 106 // Not counting start! 107 bool IsStartOfGlyph(char) const; 108 const char* MoveToEndOfGlyph(const char*) const; 109 110 // Functions for Glob matching: 111 bool MatchesBracketExpression(const char* string, const char* pattern, 112 bool caseSensitivity) const; 113 bool StringMatchesPattern(const char* string, const char* pattern, 114 bool caseSensitivity) const; 115 116 char ConditionalToLower(char c, bool toLower) const; 117 bool CharsAreEqual(char char1, char char2, bool toLower) const; 118 bool UTF8CharsAreEqual(const char* string1, const char* string2) const; 119 }; 120 121 122 inline bool 123 TrackerString::MatchesRegExp(const RegExp* expression) const 124 { 125 if (expression == NULL || expression->InitCheck() != B_OK) 126 return false; 127 128 return expression->Matches(*this); 129 } 130 131 132 inline bool 133 TrackerString::MatchesRegExp(const RegExp &expression) const 134 { 135 if (expression.InitCheck() != B_OK) 136 return false; 137 138 return expression.Matches(*this); 139 } 140 141 142 inline char 143 TrackerString::ConditionalToLower(char c, bool caseSensitivity) const 144 { 145 return caseSensitivity ? c : (char)tolower(c); 146 } 147 148 149 inline bool 150 TrackerString::CharsAreEqual(char char1, char char2, 151 bool caseSensitivity) const 152 { 153 return ConditionalToLower(char1, caseSensitivity) 154 == ConditionalToLower(char2, caseSensitivity); 155 } 156 157 } // namespace BPrivate 158 159 using namespace BPrivate; 160 161 #endif // _TRACKER_STRING_H 162