/****************************************************************************
**
** Definition of QJpUnicodeConv class
**
** Created : 990225
**
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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 Trolltech 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

#ifndef QT_H
#include "qglobal.h"
#endif // QT_H

#ifndef QT_NO_BIG_CODECS

#if defined(QT_PLUGIN)
#define Q_EXPORT_CODECS_JP
#else
#define Q_EXPORT_CODECS_JP Q_EXPORT
#endif

class Q_EXPORT_CODECS_JP QJpUnicodeConv {
public:
    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:
    QJpUnicodeConv(int r) : rule(r) {}

private:
    int rule;
};

#endif // QT_NO_BIG_CODECS
#endif /* QJPUNICODE_H */
