1 | /* |
2 | * |
3 | * Copyright (c) 1998-2002 |
4 | * John Maddock |
5 | * |
6 | * Use, modification and distribution are subject to the |
7 | * Boost Software License, Version 1.0. (See accompanying file |
8 | * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
9 | * |
10 | */ |
11 | |
12 | /* |
13 | * LOCATION: see http://www.boost.org for most recent version. |
14 | * FILE cregex.cpp |
15 | * VERSION see <boost/version.hpp> |
16 | * DESCRIPTION: Declares POSIX API functions |
17 | * + boost::RegEx high level wrapper. |
18 | */ |
19 | |
20 | #ifndef BOOST_RE_CREGEX_HPP_INCLUDED |
21 | #define BOOST_RE_CREGEX_HPP_INCLUDED |
22 | |
23 | #ifndef BOOST_REGEX_CONFIG_HPP |
24 | #include <boost/regex/config.hpp> |
25 | #endif |
26 | #include <boost/regex/v4/match_flags.hpp> |
27 | #include <boost/regex/v4/error_type.hpp> |
28 | |
29 | #ifdef __cplusplus |
30 | #include <cstddef> |
31 | #else |
32 | #include <stddef.h> |
33 | #endif |
34 | |
35 | #ifdef BOOST_MSVC |
36 | #pragma warning(push) |
37 | #pragma warning(disable: 4103) |
38 | #endif |
39 | #ifdef BOOST_HAS_ABI_HEADERS |
40 | # include BOOST_ABI_PREFIX |
41 | #endif |
42 | #ifdef BOOST_MSVC |
43 | #pragma warning(pop) |
44 | #endif |
45 | |
46 | /* include these defs only for POSIX compatablity */ |
47 | #ifdef __cplusplus |
48 | namespace boost{ |
49 | extern "C" { |
50 | #endif |
51 | |
52 | #if defined(__cplusplus) && !defined(BOOST_NO_STDC_NAMESPACE) |
53 | typedef std::ptrdiff_t regoff_t; |
54 | typedef std::size_t regsize_t; |
55 | #else |
56 | typedef ptrdiff_t regoff_t; |
57 | typedef size_t regsize_t; |
58 | #endif |
59 | |
60 | typedef struct |
61 | { |
62 | unsigned int re_magic; |
63 | #ifdef __cplusplus |
64 | std::size_t re_nsub; /* number of parenthesized subexpressions */ |
65 | #else |
66 | size_t re_nsub; |
67 | #endif |
68 | const char* re_endp; /* end pointer for REG_PEND */ |
69 | void* guts; /* none of your business :-) */ |
70 | match_flag_type eflags; /* none of your business :-) */ |
71 | } regex_tA; |
72 | |
73 | #ifndef BOOST_NO_WREGEX |
74 | typedef struct |
75 | { |
76 | unsigned int re_magic; |
77 | #ifdef __cplusplus |
78 | std::size_t re_nsub; /* number of parenthesized subexpressions */ |
79 | #else |
80 | size_t re_nsub; |
81 | #endif |
82 | const wchar_t* re_endp; /* end pointer for REG_PEND */ |
83 | void* guts; /* none of your business :-) */ |
84 | match_flag_type eflags; /* none of your business :-) */ |
85 | } regex_tW; |
86 | #endif |
87 | |
88 | typedef struct |
89 | { |
90 | regoff_t rm_so; /* start of match */ |
91 | regoff_t rm_eo; /* end of match */ |
92 | } regmatch_t; |
93 | |
94 | /* regcomp() flags */ |
95 | typedef enum{ |
96 | REG_BASIC = 0000, |
97 | REG_EXTENDED = 0001, |
98 | REG_ICASE = 0002, |
99 | REG_NOSUB = 0004, |
100 | REG_NEWLINE = 0010, |
101 | REG_NOSPEC = 0020, |
102 | REG_PEND = 0040, |
103 | REG_DUMP = 0200, |
104 | REG_NOCOLLATE = 0400, |
105 | REG_ESCAPE_IN_LISTS = 01000, |
106 | REG_NEWLINE_ALT = 02000, |
107 | REG_PERLEX = 04000, |
108 | |
109 | REG_PERL = REG_EXTENDED | REG_NOCOLLATE | REG_ESCAPE_IN_LISTS | REG_PERLEX, |
110 | REG_AWK = REG_EXTENDED | REG_ESCAPE_IN_LISTS, |
111 | REG_GREP = REG_BASIC | REG_NEWLINE_ALT, |
112 | REG_EGREP = REG_EXTENDED | REG_NEWLINE_ALT, |
113 | |
114 | REG_ASSERT = 15, |
115 | REG_INVARG = 16, |
116 | REG_ATOI = 255, /* convert name to number (!) */ |
117 | REG_ITOA = 0400 /* convert number to name (!) */ |
118 | } reg_comp_flags; |
119 | |
120 | /* regexec() flags */ |
121 | typedef enum{ |
122 | REG_NOTBOL = 00001, |
123 | REG_NOTEOL = 00002, |
124 | REG_STARTEND = 00004 |
125 | } reg_exec_flags; |
126 | |
127 | /* |
128 | * POSIX error codes: |
129 | */ |
130 | typedef unsigned reg_error_t; |
131 | typedef reg_error_t reg_errcode_t; /* backwards compatibility */ |
132 | |
133 | static const reg_error_t REG_NOERROR = 0; /* Success. */ |
134 | static const reg_error_t REG_NOMATCH = 1; /* Didn't find a match (for regexec). */ |
135 | |
136 | /* POSIX regcomp return error codes. (In the order listed in the |
137 | standard.) */ |
138 | static const reg_error_t REG_BADPAT = 2; /* Invalid pattern. */ |
139 | static const reg_error_t REG_ECOLLATE = 3; /* Undefined collating element. */ |
140 | static const reg_error_t REG_ECTYPE = 4; /* Invalid character class name. */ |
141 | static const reg_error_t REG_EESCAPE = 5; /* Trailing backslash. */ |
142 | static const reg_error_t REG_ESUBREG = 6; /* Invalid back reference. */ |
143 | static const reg_error_t REG_EBRACK = 7; /* Unmatched left bracket. */ |
144 | static const reg_error_t REG_EPAREN = 8; /* Parenthesis imbalance. */ |
145 | static const reg_error_t REG_EBRACE = 9; /* Unmatched \{. */ |
146 | static const reg_error_t REG_BADBR = 10; /* Invalid contents of \{\}. */ |
147 | static const reg_error_t REG_ERANGE = 11; /* Invalid range end. */ |
148 | static const reg_error_t REG_ESPACE = 12; /* Ran out of memory. */ |
149 | static const reg_error_t REG_BADRPT = 13; /* No preceding re for repetition op. */ |
150 | static const reg_error_t REG_EEND = 14; /* unexpected end of expression */ |
151 | static const reg_error_t REG_ESIZE = 15; /* expression too big */ |
152 | static const reg_error_t REG_ERPAREN = 8; /* = REG_EPAREN : unmatched right parenthesis */ |
153 | static const reg_error_t REG_EMPTY = 17; /* empty expression */ |
154 | static const reg_error_t REG_E_MEMORY = 15; /* = REG_ESIZE : out of memory */ |
155 | static const reg_error_t REG_ECOMPLEXITY = 18; /* complexity too high */ |
156 | static const reg_error_t REG_ESTACK = 19; /* out of stack space */ |
157 | static const reg_error_t REG_E_PERL = 20; /* Perl (?...) error */ |
158 | static const reg_error_t REG_E_UNKNOWN = 21; /* unknown error */ |
159 | static const reg_error_t REG_ENOSYS = 21; /* = REG_E_UNKNOWN : Reserved. */ |
160 | |
161 | BOOST_REGEX_DECL int BOOST_REGEX_CCALL regcompA(regex_tA*, const char*, int); |
162 | BOOST_REGEX_DECL regsize_t BOOST_REGEX_CCALL regerrorA(int, const regex_tA*, char*, regsize_t); |
163 | BOOST_REGEX_DECL int BOOST_REGEX_CCALL regexecA(const regex_tA*, const char*, regsize_t, regmatch_t*, int); |
164 | BOOST_REGEX_DECL void BOOST_REGEX_CCALL regfreeA(regex_tA*); |
165 | |
166 | #ifndef BOOST_NO_WREGEX |
167 | BOOST_REGEX_DECL int BOOST_REGEX_CCALL regcompW(regex_tW*, const wchar_t*, int); |
168 | BOOST_REGEX_DECL regsize_t BOOST_REGEX_CCALL regerrorW(int, const regex_tW*, wchar_t*, regsize_t); |
169 | BOOST_REGEX_DECL int BOOST_REGEX_CCALL regexecW(const regex_tW*, const wchar_t*, regsize_t, regmatch_t*, int); |
170 | BOOST_REGEX_DECL void BOOST_REGEX_CCALL regfreeW(regex_tW*); |
171 | #endif |
172 | |
173 | #ifdef UNICODE |
174 | #define regcomp regcompW |
175 | #define regerror regerrorW |
176 | #define regexec regexecW |
177 | #define regfree regfreeW |
178 | #define regex_t regex_tW |
179 | #else |
180 | #define regcomp regcompA |
181 | #define regerror regerrorA |
182 | #define regexec regexecA |
183 | #define regfree regfreeA |
184 | #define regex_t regex_tA |
185 | #endif |
186 | |
187 | #ifdef BOOST_MSVC |
188 | #pragma warning(push) |
189 | #pragma warning(disable: 4103) |
190 | #endif |
191 | #ifdef BOOST_HAS_ABI_HEADERS |
192 | # include BOOST_ABI_SUFFIX |
193 | #endif |
194 | #ifdef BOOST_MSVC |
195 | #pragma warning(pop) |
196 | #endif |
197 | |
198 | #ifdef __cplusplus |
199 | } /* extern "C" */ |
200 | } /* namespace */ |
201 | #endif |
202 | |
203 | #if defined(__cplusplus) |
204 | /* |
205 | * C++ high level wrapper goes here: |
206 | */ |
207 | #include <string> |
208 | #include <vector> |
209 | namespace boost{ |
210 | |
211 | #ifdef BOOST_MSVC |
212 | #pragma warning(push) |
213 | #pragma warning(disable: 4103) |
214 | #endif |
215 | #ifdef BOOST_HAS_ABI_HEADERS |
216 | # include BOOST_ABI_PREFIX |
217 | #endif |
218 | #ifdef BOOST_MSVC |
219 | #pragma warning(pop) |
220 | #endif |
221 | |
222 | class RegEx; |
223 | |
224 | namespace BOOST_REGEX_DETAIL_NS{ |
225 | |
226 | class RegExData; |
227 | struct pred1; |
228 | struct pred2; |
229 | struct pred3; |
230 | struct pred4; |
231 | |
232 | } /* namespace BOOST_REGEX_DETAIL_NS */ |
233 | |
234 | #if (defined(BOOST_MSVC) || defined(__BORLANDC__)) && !defined(BOOST_DISABLE_WIN32) |
235 | typedef bool (__cdecl *GrepCallback)(const RegEx& expression); |
236 | typedef bool (__cdecl *GrepFileCallback)(const char* file, const RegEx& expression); |
237 | typedef bool (__cdecl *FindFilesCallback)(const char* file); |
238 | #else |
239 | typedef bool (*GrepCallback)(const RegEx& expression); |
240 | typedef bool (*GrepFileCallback)(const char* file, const RegEx& expression); |
241 | typedef bool (*FindFilesCallback)(const char* file); |
242 | #endif |
243 | |
244 | class BOOST_REGEX_DECL RegEx |
245 | { |
246 | private: |
247 | BOOST_REGEX_DETAIL_NS::RegExData* pdata; |
248 | public: |
249 | RegEx(); |
250 | RegEx(const RegEx& o); |
251 | ~RegEx(); |
252 | explicit RegEx(const char* c, bool icase = false); |
253 | explicit RegEx(const std::string& s, bool icase = false); |
254 | RegEx& operator=(const RegEx& o); |
255 | RegEx& operator=(const char* p); |
256 | RegEx& operator=(const std::string& s){ return this->operator=(p: s.c_str()); } |
257 | unsigned int SetExpression(const char* p, bool icase = false); |
258 | unsigned int SetExpression(const std::string& s, bool icase = false){ return SetExpression(p: s.c_str(), icase); } |
259 | std::string Expression()const; |
260 | unsigned int error_code()const; |
261 | /* |
262 | * now matching operators: |
263 | */ |
264 | bool Match(const char* p, match_flag_type flags = match_default); |
265 | bool Match(const std::string& s, match_flag_type flags = match_default) { return Match(p: s.c_str(), flags); } |
266 | bool Search(const char* p, match_flag_type flags = match_default); |
267 | bool Search(const std::string& s, match_flag_type flags = match_default) { return Search(p: s.c_str(), flags); } |
268 | unsigned int Grep(GrepCallback cb, const char* p, match_flag_type flags = match_default); |
269 | unsigned int Grep(GrepCallback cb, const std::string& s, match_flag_type flags = match_default) { return Grep(cb, p: s.c_str(), flags); } |
270 | unsigned int Grep(std::vector<std::string>& v, const char* p, match_flag_type flags = match_default); |
271 | unsigned int Grep(std::vector<std::string>& v, const std::string& s, match_flag_type flags = match_default) { return Grep(v, p: s.c_str(), flags); } |
272 | unsigned int Grep(std::vector<std::size_t>& v, const char* p, match_flag_type flags = match_default); |
273 | unsigned int Grep(std::vector<std::size_t>& v, const std::string& s, match_flag_type flags = match_default) { return Grep(v, p: s.c_str(), flags); } |
274 | #ifndef BOOST_REGEX_NO_FILEITER |
275 | unsigned int GrepFiles(GrepFileCallback cb, const char* files, bool recurse = false, match_flag_type flags = match_default); |
276 | unsigned int GrepFiles(GrepFileCallback cb, const std::string& files, bool recurse = false, match_flag_type flags = match_default) { return GrepFiles(cb, files: files.c_str(), recurse, flags); } |
277 | unsigned int FindFiles(FindFilesCallback cb, const char* files, bool recurse = false, match_flag_type flags = match_default); |
278 | unsigned int FindFiles(FindFilesCallback cb, const std::string& files, bool recurse = false, match_flag_type flags = match_default) { return FindFiles(cb, files: files.c_str(), recurse, flags); } |
279 | #endif |
280 | |
281 | std::string Merge(const std::string& in, const std::string& fmt, |
282 | bool copy = true, match_flag_type flags = match_default); |
283 | std::string Merge(const char* in, const char* fmt, |
284 | bool copy = true, match_flag_type flags = match_default); |
285 | |
286 | std::size_t Split(std::vector<std::string>& v, std::string& s, match_flag_type flags = match_default, unsigned max_count = ~0); |
287 | /* |
288 | * now operators for returning what matched in more detail: |
289 | */ |
290 | std::size_t Position(int i = 0)const; |
291 | std::size_t Length(int i = 0)const; |
292 | bool Matched(int i = 0)const; |
293 | std::size_t Marks()const; |
294 | std::string What(int i = 0)const; |
295 | std::string operator[](int i)const { return What(i); } |
296 | |
297 | static const std::size_t npos; |
298 | |
299 | friend struct BOOST_REGEX_DETAIL_NS::pred1; |
300 | friend struct BOOST_REGEX_DETAIL_NS::pred2; |
301 | friend struct BOOST_REGEX_DETAIL_NS::pred3; |
302 | friend struct BOOST_REGEX_DETAIL_NS::pred4; |
303 | }; |
304 | |
305 | #ifdef BOOST_MSVC |
306 | #pragma warning(push) |
307 | #pragma warning(disable: 4103) |
308 | #endif |
309 | #ifdef BOOST_HAS_ABI_HEADERS |
310 | # include BOOST_ABI_SUFFIX |
311 | #endif |
312 | #ifdef BOOST_MSVC |
313 | #pragma warning(pop) |
314 | #endif |
315 | |
316 | } /* namespace boost */ |
317 | |
318 | #endif /* __cplusplus */ |
319 | |
320 | #endif /* include guard */ |
321 | |
322 | |
323 | |
324 | |
325 | |
326 | |
327 | |
328 | |
329 | |
330 | |
331 | |