integer_constant.h

Go to the documentation of this file.

#ifndef INTEGER_CONSTANT_H
#define INTEGER_CONSTANT_H
#pragma once
/***************************************************************************
 *   Copyright (C) 2007-2013 Mike Kinghan, imk@burroingroingjoing.com      *
 *   All rights reserved.                                                  *
 *                                                                         *
 *   Contributed originally by Mike Kinghan, imk@burroingroingjoing.com    *
 *                                                                         *
 *   Redistribution and use in source and binary forms, with or without    *
 *   modification, are permitted provided that the following conditions    *
 *   are met:                                                              *
 *                                                                         *
 *   Redistributions of source code must retain the above copyright        *
 *   notice, this list of conditions and the following disclaimer.         *
 *                                                                         *
 *   Redistributions in binary form must reproduce the above copyright     *
 *   notice, this list of conditions and the following disclaimer in the   *
 *   documentation and/or other materials provided with the distribution.  *
 *                                                                         *
 *   Neither the name of Mike Kinghan nor the names of its contributors    *
 *   may be used to endorse or promote products derived from this software *
 *   without specific prior written permission.                            *
 *                                                                         *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS   *
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT     *
 *   LIMITED TO, THE IMPLIED WARRANTIES OF  MERCHANTABILITY AND FITNESS    *
 *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE        *
 *   COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,   *
 *   INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,  *
 *   BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS *
 *   OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED    *
 *   AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,*
 *   OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF *
 *   THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH  *
 *   DAMAGE.                                                               *
 *                                                                         *
 **************************************************************************/

#include "integer.h"
#include "chew.h"
#include <utility>

struct integer_constant {

        template<class CharSeq>
        static integer read_numeral(chewer<CharSeq> & chew);

        template<class CharSeq>
        static integer read_char(chewer<CharSeq> & chew);

private:

        template<class CharSeq>
        static unsigned long long
        decode_utf8(chewer<CharSeq> & chew);

        template<class CharSeq>
        static int
        read_char_escaping(chewer<CharSeq> & chew);


        template<class CharSeq>
        static std::pair<unsigned long long,bool>
        read_based_numeral(unsigned base, chewer<CharSeq> & chew);

        template<class CharSeq>
        static unsigned long long
        read_encoded_char(int base, chewer<CharSeq> & chew);
};

#endif // EOF