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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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