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// Most of the code here was originally written by Serika Kurusugawa

// a.k.a. Junji Takagi, and is included in Qt with the author's permission,

// and the grateful thanks of the Qt team.

/*

 * Copyright (C) 1999 Serika Kurusugawa, All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. 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.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 REGENTS 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.

 */

#ifndef QJPUNICODE_H

#define QJPUNICODE_H

#include <QtCore/qglobal.h>

QT_BEGIN_NAMESPACE

class QJpUnicodeConv {

public:

    virtual ~QJpUnicodeConv() {}

    enum Rules {

        // "ASCII" is ANSI X.3.4-1986, a.k.a. US-ASCII here.

        Default                        = 0x0000,

        Unicode                        = 0x0001,

        Unicode_JISX0201                = 0x0001,

        Unicode_ASCII                 = 0x0002,

        JISX0221_JISX0201         = 0x0003,

        JISX0221_ASCII                = 0x0004,

        Sun_JDK117                     = 0x0005,

        Microsoft_CP932                = 0x0006,

        NEC_VDC                = 0x0100,                // NEC Vender Defined Char

        UDC                        = 0x0200,                // User Defined Char

        IBM_VDC                = 0x0400                // IBM Vender Defined Char

    };

    static QJpUnicodeConv *newConverter(int rule);

    virtual uint asciiToUnicode(uint h, uint l) const;

    /*virtual*/ uint jisx0201ToUnicode(uint h, uint l) const;

    virtual uint jisx0201LatinToUnicode(uint h, uint l) const;

    /*virtual*/ uint jisx0201KanaToUnicode(uint h, uint l) const;

    virtual uint jisx0208ToUnicode(uint h, uint l) const;

    virtual uint jisx0212ToUnicode(uint h, uint l) const;

    uint asciiToUnicode(uint ascii) const {

        return asciiToUnicode((ascii & 0xff00) >> 8, (ascii & 0x00ff));

    }

    uint jisx0201ToUnicode(uint jis) const {

        return jisx0201ToUnicode((jis & 0xff00) >> 8, (jis & 0x00ff));

    }

    uint jisx0201LatinToUnicode(uint jis) const {

        return jisx0201LatinToUnicode((jis & 0xff00) >> 8, (jis & 0x00ff));

    }

    uint jisx0201KanaToUnicode(uint jis) const {

        return jisx0201KanaToUnicode((jis & 0xff00) >> 8, (jis & 0x00ff));

    }

    uint jisx0208ToUnicode(uint jis) const {

        return jisx0208ToUnicode((jis & 0xff00) >> 8, (jis & 0x00ff));

    }

    uint jisx0212ToUnicode(uint jis) const {

        return jisx0212ToUnicode((jis & 0xff00) >> 8, (jis & 0x00ff));

    }

    virtual uint unicodeToAscii(uint h, uint l) const;

    /*virtual*/ uint unicodeToJisx0201(uint h, uint l) const;

    virtual uint unicodeToJisx0201Latin(uint h, uint l) const;

    /*virtual*/ uint unicodeToJisx0201Kana(uint h, uint l) const;

    virtual uint unicodeToJisx0208(uint h, uint l) const;

    virtual uint unicodeToJisx0212(uint h, uint l) const;

    uint unicodeToAscii(uint unicode) const {

        return unicodeToAscii((unicode & 0xff00) >> 8, (unicode & 0x00ff));

    }

    uint unicodeToJisx0201(uint unicode) const {

        return unicodeToJisx0201((unicode & 0xff00) >> 8, (unicode & 0x00ff));

    }

    uint unicodeToJisx0201Latin(uint unicode) const {

        return unicodeToJisx0201Latin((unicode & 0xff00) >> 8, (unicode & 0x00ff));

    }

    uint unicodeToJisx0201Kana(uint unicode) const {

        return unicodeToJisx0201Kana((unicode & 0xff00) >> 8, (unicode & 0x00ff));

    }

    uint unicodeToJisx0208(uint unicode) const {

        return unicodeToJisx0208((unicode & 0xff00) >> 8, (unicode & 0x00ff));

    }

    uint unicodeToJisx0212(uint unicode) const {

        return unicodeToJisx0212((unicode & 0xff00) >> 8, (unicode & 0x00ff));

    }

    uint sjisToUnicode(uint h, uint l) const;

    uint unicodeToSjis(uint h, uint l) const;

    uint sjisibmvdcToUnicode(uint h, uint l) const;

    uint unicodeToSjisibmvdc(uint h, uint l) const;

    uint cp932ToUnicode(uint h, uint l) const;

    uint unicodeToCp932(uint h, uint l) const;

    uint sjisToUnicode(uint sjis) const {

        return sjisToUnicode((sjis & 0xff00) >> 8, (sjis & 0x00ff));

    }

    uint unicodeToSjis(uint unicode) const {

        return unicodeToSjis((unicode & 0xff00) >> 8, (unicode & 0x00ff));

    }

protected:

    explicit QJpUnicodeConv(int r) : rule(r) {}

private:

    int rule;

};

QT_END_NAMESPACE

#endif // QJPUNICODE_H