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 private: 80 bool IsGlyph(char) const; 81 bool IsInsideGlyph(char) const; 82 // Not counting start! 83 bool IsStartOfGlyph(char) const; 84 const char* MoveToEndOfGlyph(const char*) const; 85 86 // Functions for Glob matching: 87 bool MatchesBracketExpression(const char* string, const char* pattern, 88 bool caseSensitivity) const; 89 bool StringMatchesPattern(const char* string, const char* pattern, 90 bool caseSensitivity) const; 91 92 char ConditionalToLower(char c, bool toLower) const; 93 bool CharsAreEqual(char char1, char char2, bool toLower) const; 94 bool UTF8CharsAreEqual(const char* string1, const char* string2) const; 95 }; 96 97 98 inline bool 99 TrackerString::MatchesRegExp(const RegExp* expression) const 100 { 101 if (expression == NULL || expression->InitCheck() != B_OK) 102 return false; 103 104 return expression->Matches(*this); 105 } 106 107 108 inline bool 109 TrackerString::MatchesRegExp(const RegExp &expression) const 110 { 111 if (expression.InitCheck() != B_OK) 112 return false; 113 114 return expression.Matches(*this); 115 } 116 117 118 inline char 119 TrackerString::ConditionalToLower(char c, bool caseSensitivity) const 120 { 121 return caseSensitivity ? c : (char)tolower(c); 122 } 123 124 125 inline bool 126 TrackerString::CharsAreEqual(char char1, char char2, 127 bool caseSensitivity) const 128 { 129 return ConditionalToLower(char1, caseSensitivity) 130 == ConditionalToLower(char2, caseSensitivity); 131 } 132 133 } // namespace BPrivate 134 135 using namespace BPrivate; 136 137 138 #endif // _TRACKER_STRING_H 139