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/*
*
* 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
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