/* | |
* | |
* Copyright (c) 1998-2002 | |
* John Maddock | |
* | |
* Use, modification and distribution are subject to the | |
* Boost Software License, Version 1.0. (See accompanying file | |
* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
* | |
*/ | |
/* | |
* LOCATION: see http://www.boost.org for most recent version. | |
* FILE regbase.cpp | |
* VERSION see <boost/version.hpp> | |
* DESCRIPTION: Declares class regbase. | |
*/ | |
#ifndef BOOST_REGEX_V4_REGBASE_HPP | |
#define BOOST_REGEX_V4_REGBASE_HPP | |
#ifdef BOOST_MSVC | |
#pragma warning(push) | |
#pragma warning(disable: 4103) | |
#endif | |
#ifdef BOOST_HAS_ABI_HEADERS | |
# include BOOST_ABI_PREFIX | |
#endif | |
#ifdef BOOST_MSVC | |
#pragma warning(pop) | |
#endif | |
namespace boost{ | |
// | |
// class regbase | |
// handles error codes and flags | |
// | |
class BOOST_REGEX_DECL regbase | |
{ | |
public: | |
enum flag_type_ | |
{ | |
// | |
// Divide the flags up into logical groups: | |
// bits 0-7 indicate main synatx type. | |
// bits 8-15 indicate syntax subtype. | |
// bits 16-31 indicate options that are common to all | |
// regex syntaxes. | |
// In all cases the default is 0. | |
// | |
// Main synatx group: | |
// | |
perl_syntax_group = 0, // default | |
basic_syntax_group = 1, // POSIX basic | |
literal = 2, // all characters are literals | |
main_option_type = literal | basic_syntax_group | perl_syntax_group, // everything! | |
// | |
// options specific to perl group: | |
// | |
no_bk_refs = 1 << 8, // \d not allowed | |
no_perl_ex = 1 << 9, // disable perl extensions | |
no_mod_m = 1 << 10, // disable Perl m modifier | |
mod_x = 1 << 11, // Perl x modifier | |
mod_s = 1 << 12, // force s modifier on (overrides match_not_dot_newline) | |
no_mod_s = 1 << 13, // force s modifier off (overrides match_not_dot_newline) | |
// | |
// options specific to basic group: | |
// | |
no_char_classes = 1 << 8, // [[:CLASS:]] not allowed | |
no_intervals = 1 << 9, // {x,y} not allowed | |
bk_plus_qm = 1 << 10, // uses \+ and \? | |
bk_vbar = 1 << 11, // use \| for alternatives | |
emacs_ex = 1 << 12, // enables emacs extensions | |
// | |
// options common to all groups: | |
// | |
no_escape_in_lists = 1 << 16, // '\' not special inside [...] | |
newline_alt = 1 << 17, // \n is the same as | | |
no_except = 1 << 18, // no exception on error | |
failbit = 1 << 19, // error flag | |
icase = 1 << 20, // characters are matched regardless of case | |
nocollate = 0, // don't use locale specific collation (deprecated) | |
collate = 1 << 21, // use locale specific collation | |
nosubs = 1 << 22, // don't mark sub-expressions | |
save_subexpression_location = 1 << 23, // save subexpression locations | |
no_empty_expressions = 1 << 24, // no empty expressions allowed | |
optimize = 0, // not really supported | |
basic = basic_syntax_group | collate | no_escape_in_lists, | |
extended = no_bk_refs | collate | no_perl_ex | no_escape_in_lists, | |
normal = 0, | |
emacs = basic_syntax_group | collate | emacs_ex | bk_vbar, | |
awk = no_bk_refs | collate | no_perl_ex, | |
grep = basic | newline_alt, | |
egrep = extended | newline_alt, | |
sed = basic, | |
perl = normal, | |
ECMAScript = normal, | |
JavaScript = normal, | |
JScript = normal | |
}; | |
typedef unsigned int flag_type; | |
enum restart_info | |
{ | |
restart_any = 0, | |
restart_word = 1, | |
restart_line = 2, | |
restart_buf = 3, | |
restart_continue = 4, | |
restart_lit = 5, | |
restart_fixed_lit = 6, | |
restart_count = 7 | |
}; | |
}; | |
// | |
// provide std lib proposal compatible constants: | |
// | |
namespace regex_constants{ | |
enum flag_type_ | |
{ | |
no_except = ::boost::regbase::no_except, | |
failbit = ::boost::regbase::failbit, | |
literal = ::boost::regbase::literal, | |
icase = ::boost::regbase::icase, | |
nocollate = ::boost::regbase::nocollate, | |
collate = ::boost::regbase::collate, | |
nosubs = ::boost::regbase::nosubs, | |
optimize = ::boost::regbase::optimize, | |
bk_plus_qm = ::boost::regbase::bk_plus_qm, | |
bk_vbar = ::boost::regbase::bk_vbar, | |
no_intervals = ::boost::regbase::no_intervals, | |
no_char_classes = ::boost::regbase::no_char_classes, | |
no_escape_in_lists = ::boost::regbase::no_escape_in_lists, | |
no_mod_m = ::boost::regbase::no_mod_m, | |
mod_x = ::boost::regbase::mod_x, | |
mod_s = ::boost::regbase::mod_s, | |
no_mod_s = ::boost::regbase::no_mod_s, | |
save_subexpression_location = ::boost::regbase::save_subexpression_location, | |
no_empty_expressions = ::boost::regbase::no_empty_expressions, | |
basic = ::boost::regbase::basic, | |
extended = ::boost::regbase::extended, | |
normal = ::boost::regbase::normal, | |
emacs = ::boost::regbase::emacs, | |
awk = ::boost::regbase::awk, | |
grep = ::boost::regbase::grep, | |
egrep = ::boost::regbase::egrep, | |
sed = basic, | |
perl = normal, | |
ECMAScript = normal, | |
JavaScript = normal, | |
JScript = normal | |
}; | |
typedef ::boost::regbase::flag_type syntax_option_type; | |
} // namespace regex_constants | |
} // namespace boost | |
#ifdef BOOST_MSVC | |
#pragma warning(push) | |
#pragma warning(disable: 4103) | |
#endif | |
#ifdef BOOST_HAS_ABI_HEADERS | |
# include BOOST_ABI_SUFFIX | |
#endif | |
#ifdef BOOST_MSVC | |
#pragma warning(pop) | |
#endif | |
#endif | |