NAME

       std::__detail::_Scanner< _CharT > -

SYNOPSIS

       Inherits std::__detail::_ScannerBase.

   Public Types
       typedef const std::ctype< _CharT > _CtypeT
       typedef regex_constants::syntax_option_type _FlagT
       typedef const _CharT * _IterT
       typedef std::basic_string< _CharT > _StringT
       enum _TokenT { _S_token_anychar, _S_token_ord_char, _S_token_oct_num, _S_token_hex_num,
           _S_token_backref, _S_token_subexpr_begin, _S_token_subexpr_no_group_begin,
           _S_token_subexpr_lookahead_begin, _S_token_subexpr_end, _S_token_bracket_begin,
           _S_token_bracket_neg_begin, _S_token_bracket_end, _S_token_interval_begin,
           _S_token_interval_end, _S_token_quoted_class, _S_token_char_class_name,
           _S_token_collsymbol, _S_token_equiv_class_name, _S_token_opt, _S_token_or,
           _S_token_closure0, _S_token_closure1, _S_token_line_begin, _S_token_line_end,
           _S_token_word_bound, _S_token_comma, _S_token_dup_count, _S_token_eof,
           _S_token_unknown }

   Public Member Functions
       _Scanner (_IterT __begin, _IterT __end, _FlagT __flags, std::locale __loc)
       void _M_advance ()
       _TokenT _M_get_token () const
       const _StringT & _M_get_value () const

   Protected Types
       enum _StateT { _S_state_normal, _S_state_in_brace, _S_state_in_bracket }

   Protected Member Functions
       const char * _M_find_escape (char __c)
       bool _M_is_awk () const
       bool _M_is_basic () const
       bool _M_is_ecma () const
       bool _M_is_extended () const
       bool _M_is_grep () const

   Protected Attributes
       bool _M_at_bracket_start
       const std::pair< char, char > _M_awk_escape_tbl [11]
       const char * _M_basic_spec_char
       const std::pair< char, char > _M_ecma_escape_tbl [8]
       const char * _M_ecma_spec_char
       const std::pair< char, char > * _M_escape_tbl
       const char * _M_extended_spec_char
       _FlagT _M_flags
       const char * _M_spec_char
       _StateT _M_state
       _TokenT _M_token
       const std::pair< char, _TokenT > _M_token_tbl [9]

Detailed Description

   template<typename _CharT>
       class std::__detail::_Scanner< _CharT >" Scans an input range for regex tokens.

       The _Scanner class interprets the regular expression pattern in the input range passed to
       its constructor as a sequence of parse tokens passed to the regular expression compiler.
       The sequence of tokens provided depends on the flag settings passed to the constructor:
       different regular expression grammars will interpret the same input pattern in
       syntactically different ways.

       Definition at line 209 of file regex_scanner.h.

Member Enumeration Documentation

   enum std::__detail::_ScannerBase::_TokenT [inherited]
       Token types returned from the scanner.

       Definition at line 46 of file regex_scanner.h.

Author

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