/* * * 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