Saf/Text/Char.h

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/*
    This file is part of Simple Application Framework (Saf) library.
    Copyright (C) 2010 - 2012 Ondrej Danek <ondrej.danek@gmail.com>

    This library 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 3 of the License, or
    (at your option) any later version.

    Saf 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 Simple Application Framework library. If not, 
    see <http://www.gnu.org/licenses/>.
*/

#ifndef SAF_TEXT_CHAR_H
#define SAF_TEXT_CHAR_H

#include "../Type.h"
#include "../Type/Traits.h"

namespace Saf
{
    namespace Text
    {
        class Char
        {
        private:
            Uint32 m_cp;

        public:
            Char()
            {}

            Char(const Char &c) 
            { 
                m_cp = c.m_cp; 
            }

            explicit Char(char c) 
            { 
                m_cp = (Uint32)c;
            }

            explicit Char(Uint32 cpoint) 
            { 
                m_cp = cpoint;
            }

            Char &operator= (const Char &c) 
            { 
                m_cp = c.m_cp;
                return *this; 
            }

            Uint32 CodePoint() const
            {
                return m_cp;
            }
            
            Uint32 NumericValue() const;

            bool IsWhiteSpace() const 
            { 
                return (m_cp == 32 || m_cp == 9);
            }

            bool IsLetter() const 
            { 
                return false; 
            }

            bool IsUpper() const
            {
                return (m_cp >= 65 && m_cp <= 90);
            }

            bool IsLower() const
            {
                return (m_cp >= 97 && m_cp <= 122);
            }

            bool IsDigit() const 
            { 
                return (m_cp > 47 && m_cp < 58);
            }

            bool operator< (const Char &c) const 
            { 
                return m_cp < c.m_cp; 
            }

            bool operator> (const Char &c) const 
            { 
                return m_cp > c.m_cp; 
            }

            bool operator== (const Char &c) const 
            { 
                return m_cp == c.m_cp; 
            }

            bool operator!= (const Char &c) const 
            { 
                return m_cp != c.m_cp; 
            }
        };
    }

    namespace Type
    {
        // Traits specialization for Char object
        template <>
        class Traits< Text::Char >
        {
        public:
            static bool IsPod()
            {
                return true;
            }
        };
    }
}

#endif