Char.h

/*
 *  Char class interface
 *
 *  This file is part of OTAWA
 *  Copyright (c) 2016, IRIT UPS.
 *
 *  OTAWA is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  OTAWA is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with OTAWA; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef ELM_STRING_CHAR_H_
#define ELM_STRING_CHAR_H_
 
namespace elm {
 
class Char {
public:
    inline Char(void): c('\0') { }
    inline Char(char ch): c(ch) { }
    inline operator char(void) const { return c; }
    inline Char& operator=(char ch) { c = ch; return *this; }
    inline Char& operator=(Char ch) { c = ch.c; return *this; }
 
    inline int compare(char cc) const { return (unsigned char)c - (unsigned char)cc; }
    inline int compare(Char ch) const { return (unsigned char)c - (unsigned char)ch.c; }
 
    static Char bin(int v);
    static Char dec(int v);
    inline static Char hex(int v) { return lowerHex(v); }
    static Char lowerHex(int v);
    static Char upperHex(int v);
 
    bool isBin(void) const;
    bool isDec(void) const;
    bool isHex(void) const;
    bool isSpace(void) const;
    bool isPrintable(void) const;
    bool isLetter(void) const;
    bool isLowerCase(void) const;
    bool isUpperCase(void) const;
 
    int asBin(void) const;
    int asDec(void) const;
    int asHex(void) const;
 
    inline bool operator==(char ch) { return compare(ch) == 0; }
    inline bool operator!=(char ch) { return compare(ch) != 0; }
    inline bool operator<(char ch) { return compare(ch) < 0; }
    inline bool operator<=(char ch) { return compare(ch) <= 0; }
    inline bool operator>(char ch) { return compare(ch) > 0; }
    inline bool operator>=(char ch) { return compare(ch) >= 0; }
 
    inline bool operator==(Char ch) { return compare(ch) == 0; }
    inline bool operator!=(Char ch) { return compare(ch) != 0; }
    inline bool operator<(Char ch) { return compare(ch) < 0; }
    inline bool operator<=(Char ch) { return compare(ch) <= 0; }
    inline bool operator>(Char ch) { return compare(ch) > 0; }
    inline bool operator>=(Char ch) { return compare(ch) >= 0; }
 
private:
    char c;
};
 
}   // elm
 
#endif /* ELM_STRING_CHAR_H_ */