]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
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 regbase.cpp | |
15 | * VERSION see <boost/version.hpp> | |
16 | * DESCRIPTION: Declares class regbase. | |
17 | */ | |
18 | ||
19 | #ifndef BOOST_REGEX_V4_REGBASE_HPP | |
20 | #define BOOST_REGEX_V4_REGBASE_HPP | |
21 | ||
22 | #ifdef BOOST_MSVC | |
23 | #pragma warning(push) | |
24 | #pragma warning(disable: 4103) | |
25 | #endif | |
26 | #ifdef BOOST_HAS_ABI_HEADERS | |
27 | # include BOOST_ABI_PREFIX | |
28 | #endif | |
29 | #ifdef BOOST_MSVC | |
30 | #pragma warning(pop) | |
31 | #endif | |
32 | ||
33 | namespace boost{ | |
34 | // | |
35 | // class regbase | |
36 | // handles error codes and flags | |
37 | // | |
38 | class BOOST_REGEX_DECL regbase | |
39 | { | |
40 | public: | |
41 | enum flag_type_ | |
42 | { | |
43 | // | |
44 | // Divide the flags up into logical groups: | |
45 | // bits 0-7 indicate main synatx type. | |
46 | // bits 8-15 indicate syntax subtype. | |
47 | // bits 16-31 indicate options that are common to all | |
48 | // regex syntaxes. | |
49 | // In all cases the default is 0. | |
50 | // | |
51 | // Main synatx group: | |
52 | // | |
53 | perl_syntax_group = 0, // default | |
54 | basic_syntax_group = 1, // POSIX basic | |
55 | literal = 2, // all characters are literals | |
56 | main_option_type = literal | basic_syntax_group | perl_syntax_group, // everything! | |
57 | // | |
58 | // options specific to perl group: | |
59 | // | |
60 | no_bk_refs = 1 << 8, // \d not allowed | |
61 | no_perl_ex = 1 << 9, // disable perl extensions | |
62 | no_mod_m = 1 << 10, // disable Perl m modifier | |
63 | mod_x = 1 << 11, // Perl x modifier | |
64 | mod_s = 1 << 12, // force s modifier on (overrides match_not_dot_newline) | |
65 | no_mod_s = 1 << 13, // force s modifier off (overrides match_not_dot_newline) | |
66 | ||
67 | // | |
68 | // options specific to basic group: | |
69 | // | |
70 | no_char_classes = 1 << 8, // [[:CLASS:]] not allowed | |
71 | no_intervals = 1 << 9, // {x,y} not allowed | |
72 | bk_plus_qm = 1 << 10, // uses \+ and \? | |
73 | bk_vbar = 1 << 11, // use \| for alternatives | |
74 | emacs_ex = 1 << 12, // enables emacs extensions | |
75 | ||
76 | // | |
77 | // options common to all groups: | |
78 | // | |
79 | no_escape_in_lists = 1 << 16, // '\' not special inside [...] | |
80 | newline_alt = 1 << 17, // \n is the same as | | |
81 | no_except = 1 << 18, // no exception on error | |
82 | failbit = 1 << 19, // error flag | |
83 | icase = 1 << 20, // characters are matched regardless of case | |
84 | nocollate = 0, // don't use locale specific collation (deprecated) | |
85 | collate = 1 << 21, // use locale specific collation | |
86 | nosubs = 1 << 22, // don't mark sub-expressions | |
87 | save_subexpression_location = 1 << 23, // save subexpression locations | |
88 | no_empty_expressions = 1 << 24, // no empty expressions allowed | |
89 | optimize = 0, // not really supported | |
90 | ||
91 | ||
92 | ||
93 | basic = basic_syntax_group | collate | no_escape_in_lists, | |
94 | extended = no_bk_refs | collate | no_perl_ex | no_escape_in_lists, | |
95 | normal = 0, | |
96 | emacs = basic_syntax_group | collate | emacs_ex | bk_vbar, | |
97 | awk = no_bk_refs | collate | no_perl_ex, | |
98 | grep = basic | newline_alt, | |
99 | egrep = extended | newline_alt, | |
100 | sed = basic, | |
101 | perl = normal, | |
102 | ECMAScript = normal, | |
103 | JavaScript = normal, | |
104 | JScript = normal | |
105 | }; | |
106 | typedef unsigned int flag_type; | |
107 | ||
108 | enum restart_info | |
109 | { | |
110 | restart_any = 0, | |
111 | restart_word = 1, | |
112 | restart_line = 2, | |
113 | restart_buf = 3, | |
114 | restart_continue = 4, | |
115 | restart_lit = 5, | |
116 | restart_fixed_lit = 6, | |
117 | restart_count = 7 | |
118 | }; | |
119 | }; | |
120 | ||
121 | // | |
122 | // provide std lib proposal compatible constants: | |
123 | // | |
124 | namespace regex_constants{ | |
125 | ||
126 | enum flag_type_ | |
127 | { | |
128 | ||
129 | no_except = ::boost::regbase::no_except, | |
130 | failbit = ::boost::regbase::failbit, | |
131 | literal = ::boost::regbase::literal, | |
132 | icase = ::boost::regbase::icase, | |
133 | nocollate = ::boost::regbase::nocollate, | |
134 | collate = ::boost::regbase::collate, | |
135 | nosubs = ::boost::regbase::nosubs, | |
136 | optimize = ::boost::regbase::optimize, | |
137 | bk_plus_qm = ::boost::regbase::bk_plus_qm, | |
138 | bk_vbar = ::boost::regbase::bk_vbar, | |
139 | no_intervals = ::boost::regbase::no_intervals, | |
140 | no_char_classes = ::boost::regbase::no_char_classes, | |
141 | no_escape_in_lists = ::boost::regbase::no_escape_in_lists, | |
142 | no_mod_m = ::boost::regbase::no_mod_m, | |
143 | mod_x = ::boost::regbase::mod_x, | |
144 | mod_s = ::boost::regbase::mod_s, | |
145 | no_mod_s = ::boost::regbase::no_mod_s, | |
146 | save_subexpression_location = ::boost::regbase::save_subexpression_location, | |
147 | no_empty_expressions = ::boost::regbase::no_empty_expressions, | |
148 | ||
149 | basic = ::boost::regbase::basic, | |
150 | extended = ::boost::regbase::extended, | |
151 | normal = ::boost::regbase::normal, | |
152 | emacs = ::boost::regbase::emacs, | |
153 | awk = ::boost::regbase::awk, | |
154 | grep = ::boost::regbase::grep, | |
155 | egrep = ::boost::regbase::egrep, | |
156 | sed = basic, | |
157 | perl = normal, | |
158 | ECMAScript = normal, | |
159 | JavaScript = normal, | |
160 | JScript = normal | |
161 | }; | |
162 | typedef ::boost::regbase::flag_type syntax_option_type; | |
163 | ||
164 | } // namespace regex_constants | |
165 | ||
166 | } // namespace boost | |
167 | ||
168 | #ifdef BOOST_MSVC | |
169 | #pragma warning(push) | |
170 | #pragma warning(disable: 4103) | |
171 | #endif | |
172 | #ifdef BOOST_HAS_ABI_HEADERS | |
173 | # include BOOST_ABI_SUFFIX | |
174 | #endif | |
175 | #ifdef BOOST_MSVC | |
176 | #pragma warning(pop) | |
177 | #endif | |
178 | ||
179 | #endif | |
180 |