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#ifndef QJPUNICODE_H
#define QJPUNICODE_H

#include "qstring.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
