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