/[pcsx2_0.9.7]/branch/r3113_0.9.7_beta/3rdparty/wxWidgets/include/wx/regex.h
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Contents of /branch/r3113_0.9.7_beta/3rdparty/wxWidgets/include/wx/regex.h

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Revision 31 - (show annotations) (download)
Tue Sep 7 03:24:11 2010 UTC (9 years, 9 months ago) by william
Original Path: trunk/3rdparty/wxWidgets/include/wx/regex.h
File MIME type: text/plain
File size: 5558 byte(s)
committing r3113 initial commit again...
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: wx/regex.h
3 // Purpose: regular expression matching
4 // Author: Karsten Ballueder
5 // Modified by: VZ at 13.07.01 (integrated to wxWin)
6 // Created: 05.02.2000
7 // RCS-ID: $Id: regex.h 57779 2009-01-02 17:35:16Z PC $
8 // Copyright: (c) 2000 Karsten Ballueder <ballueder@gmx.net>
9 // Licence: wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_REGEX_H_
13 #define _WX_REGEX_H_
14
15 #include "wx/defs.h"
16
17 #if wxUSE_REGEX
18
19 #include "wx/string.h"
20
21 // ----------------------------------------------------------------------------
22 // constants
23 // ----------------------------------------------------------------------------
24
25 // flags for regex compilation: these can be used with Compile()
26 enum
27 {
28 // use extended regex syntax
29 wxRE_EXTENDED = 0,
30
31 // use advanced RE syntax (built-in regex only)
32 #ifdef wxHAS_REGEX_ADVANCED
33 wxRE_ADVANCED = 1,
34 #endif
35
36 // use basic RE syntax
37 wxRE_BASIC = 2,
38
39 // ignore case in match
40 wxRE_ICASE = 4,
41
42 // only check match, don't set back references
43 wxRE_NOSUB = 8,
44
45 // if not set, treat '\n' as an ordinary character, otherwise it is
46 // special: it is not matched by '.' and '^' and '$' always match
47 // after/before it regardless of the setting of wxRE_NOT[BE]OL
48 wxRE_NEWLINE = 16,
49
50 // default flags
51 wxRE_DEFAULT = wxRE_EXTENDED
52 };
53
54 // flags for regex matching: these can be used with Matches()
55 //
56 // these flags are mainly useful when doing several matches in a long string,
57 // they can be used to prevent erroneous matches for '^' and '$'
58 enum
59 {
60 // '^' doesn't match at the start of line
61 wxRE_NOTBOL = 32,
62
63 // '$' doesn't match at the end of line
64 wxRE_NOTEOL = 64
65 };
66
67 // ----------------------------------------------------------------------------
68 // wxRegEx: a regular expression
69 // ----------------------------------------------------------------------------
70
71 class WXDLLIMPEXP_FWD_BASE wxRegExImpl;
72
73 class WXDLLIMPEXP_BASE wxRegEx
74 {
75 public:
76 // default ctor: use Compile() later
77 wxRegEx() { Init(); }
78
79 // create and compile
80 wxRegEx(const wxString& expr, int flags = wxRE_DEFAULT)
81 {
82 Init();
83 (void)Compile(expr, flags);
84 }
85
86 // return true if this is a valid compiled regular expression
87 bool IsValid() const { return m_impl != NULL; }
88
89 // compile the string into regular expression, return true if ok or false
90 // if string has a syntax error
91 bool Compile(const wxString& pattern, int flags = wxRE_DEFAULT);
92
93 // matches the precompiled regular expression against a string, return
94 // true if matches and false otherwise
95 //
96 // flags may be combination of wxRE_NOTBOL and wxRE_NOTEOL
97 // len may be the length of text (ignored by most system regex libs)
98 //
99 // may only be called after successful call to Compile()
100 bool Matches(const wxChar *text, int flags = 0) const;
101 bool Matches(const wxChar *text, int flags, size_t len) const;
102 bool Matches(const wxString& text, int flags = 0) const
103 { return Matches(text.c_str(), flags, text.length()); }
104
105 // get the start index and the length of the match of the expression
106 // (index 0) or a bracketed subexpression (index != 0)
107 //
108 // may only be called after successful call to Matches()
109 //
110 // return false if no match or on error
111 bool GetMatch(size_t *start, size_t *len, size_t index = 0) const;
112
113 // return the part of string corresponding to the match, empty string is
114 // returned if match failed
115 //
116 // may only be called after successful call to Matches()
117 wxString GetMatch(const wxString& text, size_t index = 0) const;
118
119 // return the size of the array of matches, i.e. the number of bracketed
120 // subexpressions plus one for the expression itself, or 0 on error.
121 //
122 // may only be called after successful call to Compile()
123 size_t GetMatchCount() const;
124
125 // replaces the current regular expression in the string pointed to by
126 // pattern, with the text in replacement and return number of matches
127 // replaced (maybe 0 if none found) or -1 on error
128 //
129 // the replacement text may contain backreferences (\number) which will be
130 // replaced with the value of the corresponding subexpression in the
131 // pattern match
132 //
133 // maxMatches may be used to limit the number of replacements made, setting
134 // it to 1, for example, will only replace first occurence (if any) of the
135 // pattern in the text while default value of 0 means replace all
136 int Replace(wxString *text, const wxString& replacement,
137 size_t maxMatches = 0) const;
138
139 // replace the first occurence
140 int ReplaceFirst(wxString *text, const wxString& replacement) const
141 { return Replace(text, replacement, 1); }
142
143 // replace all occurences: this is actually a synonym for Replace()
144 int ReplaceAll(wxString *text, const wxString& replacement) const
145 { return Replace(text, replacement, 0); }
146
147 // dtor not virtual, don't derive from this class
148 ~wxRegEx();
149
150 private:
151 // common part of all ctors
152 void Init();
153
154 // the real guts of this class
155 wxRegExImpl *m_impl;
156
157 // as long as the class wxRegExImpl is not ref-counted,
158 // instances of the handle wxRegEx must not be copied.
159 wxRegEx(const wxRegEx&);
160 wxRegEx &operator=(const wxRegEx&);
161 };
162
163 #endif // wxUSE_REGEX
164
165 #endif // _WX_REGEX_H_
166

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