regex_constants.hpp

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                                        ///< algorithms (RE.7) and iterators (RE.8).
                                        ///<
    format_default          = 0,        ///< Specifies that when a regular expression match is to be
                                        ///< replaced by a new string, that the new string is
                                        ///< constructed using the rules used by the ECMAScript
                                        ///< replace function in ECMA-262, ECMAScript Language
                                        ///< Specification, Chapter 15 part 5.4.11
                                        ///< String.prototype.replace. (FWD.1). In addition during
                                        ///< search and replace operations then all non-overlapping
                                        ///< occurrences of the regular expression are located and
                                        ///< replaced, and sections of the input that did not match
                                        ///< the expression, are copied unchanged to the output
                                        ///< string.
                                        ///<
    //format_sed              = 1 << 13,  ///< Specifies that when a regular expression match is to be
    //                                    ///< replaced by a new string, that the new string is
    //                                    ///< constructed using the rules used by the Unix sed
    //                                    ///< utility in IEEE Std 1003.1-2001, Portable Operating
    //                                    ///< SystemInterface (POSIX), Shells and Utilities.
    //                                    ///<
    //format_perl             = 1 << 14,  ///< Specifies that when a regular expression match is to be
    //                                    ///< replaced by a new string, that the new string is
    //                                    ///< constructed using an implementation defined superset
    //                                    ///< of the rules used by the ECMAScript replace function in
    //                                    ///< ECMA-262, ECMAScript Language Specification, Chapter 15
    //                                    ///< part 5.4.11 String.prototype.replace (FWD.1).
    //                                    ///<
    format_no_copy          = 1 << 15,  ///< When specified during a search and replace operation,
                                        ///< then sections of the character container sequence being
                                        ///< searched that do match the regular expression, are not
                                        ///< copied to the output string.
                                        ///<
    format_first_only       = 1 << 16,  ///< When specified during a search and replace operation,
                                        ///< then only the first occurrence of the regular
                                        ///< expression is replaced.
                                        ///<
    format_literal          = 1 << 17   ///< Treat the format string as a literal.
                                        ///<
};

/// Error codes used by the regex_error type
///
enum error_type
{
    error_collate,              ///< The expression contained an invalid collating element name.
                                ///<
    error_ctype,                ///< The expression contained an invalid character class name.
                                ///<
    error_escape,               ///< The expression contained an invalid escaped character,
                                ///< or a trailing escape.
                                ///<
    error_subreg,               ///< The expression contained an invalid back-reference.
                                ///<
    error_brack,                ///< The expression contained mismatched [ and ].
                                ///<
    error_paren,                ///< The expression contained mismatched (and).
                                ///<
    error_brace,                ///< The expression contained mismatched { and }
                                ///<
    error_badbrace,             ///< The expression contained an invalid range in a {} expression.
                                ///<
    error_range,                ///< The expression contained an invalid character range, for
                                ///< example [b-a].
                                ///<
    error_space,                ///< There was insufficient memory to convert the expression into a
                                ///< finite state machine.
                                ///<
    error_badrepeat,            ///< One of *?+{ was not preceded by a valid regular expression.
                                ///<
    error_complexity,           ///< The complexity of an attempted match against a regular
                                ///< expression exceeded a pre-set level.
                                ///<
    error_stack,                ///< There was insufficient memory to determine whether the regular
                                ///< expression could match the specified character sequence.
                                ///<
    error_badref,               ///< An nested regex is uninitialized.
                                ///<
    error_badlookbehind,        ///< An attempt to create a variable-width look-behind assertion
                                ///< was detected.
                                ///<
    error_internal              ///< An internal error has occured.
                                ///<
};

/// INTERNAL ONLY
inline syntax_option_type operator &(syntax_option_type b1, syntax_option_type b2)
{
    return static_cast<syntax_option_type>(
        static_cast<int>(b1) & static_cast<int>(b2));
}

/// INTERNAL ONLY
inline syntax_option_type operator |(syntax_option_type b1, syntax_option_type b2)
{
    return static_cast<syntax_option_type>(static_cast<int>(b1) | static_cast<int>(b2));
}

/// INTERNAL ONLY
inline syntax_option_type operator ^(syntax_option_type b1, syntax_option_type b2)
{
    return static_cast<syntax_option_type>(static_cast<int>(b1) ^ static_cast<int>(b2));
}

/// INTERNAL ONLY
inline syntax_option_type operator ~(syntax_option_type b)
{
    return static_cast<syntax_option_type>(~static_cast<int>(b));
}

/// INTERNAL ONLY
inline match_flag_type operator &(match_flag_type b1, match_flag_type b2)
{
    return static_cast<match_flag_type>(static_cast<int>(b1) & static_cast<int>(b2));
}

/// INTERNAL ONLY
inline match_flag_type operator |(match_flag_type b1, match_flag_type b2)
{
    return static_cast<match_flag_type>(static_cast<int>(b1) | static_cast<int>(b2));
}

/// INTERNAL ONLY
inline match_flag_type operator ^(match_flag_type b1, match_flag_type b2)
{
    return static_cast<match_flag_type>(static_cast<int>(b1) ^ static_cast<int>(b2));
}

/// INTERNAL ONLY
inline match_flag_type operator ~(match_flag_type b)
{
    return static_cast<match_flag_type>(~static_cast<int>(b));
}

}}} // namespace boost::xpressive::regex_constants

#ifndef BOOST_XPRESSIVE_DOXYGEN_INVOKED
# undef icase
#endif

#endif