1/*
2Open Tracker License
3
4Terms and Conditions
5
6Copyright (c) 1991-2000, Be Incorporated. All rights reserved.
7
8Permission is hereby granted, free of charge, to any person obtaining a copy of
9this software and associated documentation files (the "Software"), to deal in
10the Software without restriction, including without limitation the rights to
11use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
12of the Software, and to permit persons to whom the Software is furnished to do
13so, subject to the following conditions:
14
15The above copyright notice and this permission notice applies to all licensees
16and shall be included in all copies or substantial portions of the Software.
17
18THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY,
20FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION
23WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24
25Except as contained in this notice, the name of Be Incorporated shall not be
26used in advertising or otherwise to promote the sale, use or other dealings in
27this Software without prior written authorization from Be Incorporated.
28
29Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered trademarks
30of Be Incorporated in the United States and other countries. Other brand product
31names are registered trademarks or trademarks of their respective holders.
32All 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
46namespace BPrivate {
47
48enum TrackerStringExpressionType {
49	kNone = B_ERROR,
50	kStartsWith = 0,
51	kEndsWith,
52	kContains,
53	kGlobMatch,
54	kRegexpMatch
55};
56
57
58class TrackerString : public BString
59{
60public:
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
79private:
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
98inline bool
99TrackerString::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
108inline bool
109TrackerString::MatchesRegExp(const RegExp &expression) const
110{
111	if (expression.InitCheck() != B_OK)
112		return false;
113
114	return expression.Matches(*this);
115}
116
117
118inline char
119TrackerString::ConditionalToLower(char c, bool caseSensitivity) const
120{
121	return caseSensitivity ? c : (char)tolower(c);
122}
123
124
125inline bool
126TrackerString::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
135using namespace BPrivate;
136
137
138#endif	// _TRACKER_STRING_H
139