qjpunicode.cpp

qt-embedded-2.3.8.tar.gz源码

    }
#endif
    return QJpUnicodeConv::Jisx0212ToUnicode(h, l);
}

uint QJpUnicodeConv_Sun::UnicodeToAscii(uint h, uint l) const
{
    if ((h == 0x00) && (l == 0xa5)) {
	return 0x005c;
    } else if ((h == 0x20) && (l == 0x3e)) {
	return 0x007e;
    }
    return QJpUnicodeConv::UnicodeToAscii(h, l);
}

uint QJpUnicodeConv_Sun::UnicodeToJisx0201Latin(uint h, uint l) const
{
    return QJpUnicodeConv::UnicodeToAscii(h, l);
}

uint QJpUnicodeConv_Sun::UnicodeToJisx0208(uint h, uint l) const
{
    if ((h == 0x00) && (l == 0xa5)) {
	return 0x0000;
    } else if ((h == 0x20) && (l == 0x3e)) {
	return 0x0000;
    } else if ((h == 0xff) && (l == 0x3c)) {
	return 0x2140;
    }
    return QJpUnicodeConv::UnicodeToJisx0208(h, l);
}

/*! \internal */
uint QJpUnicodeConv_Sun::UnicodeToJisx0212(uint h, uint l) const
{
#if 1
    // Added by Serika Kususugawa to avoid conflict on U+007c.
    if ((h == 0x00) && (l == 0x7e)) {
	return 0x0000;
    }
    if ((h == 0xff) && (l == 0x5e)) {
	return 0x2237;
    }
#endif
    return QJpUnicodeConv::UnicodeToJisx0212(h, l);
}

/*
 * Microsoft conversion.
 */

class QJpUnicodeConv_Microsoft : public QJpUnicodeConv {
public:
    QJpUnicodeConv_Microsoft(int r) : QJpUnicodeConv(r) {}

//    uint AsciiToUnicode(uint h, uint l) const;
//    uint Jisx0201ToUnicode(uint h, uint l) const;
    uint Jisx0201LatinToUnicode(uint h, uint l) const;
//    uint Jisx0201KanaToUnicode(uint h, uint l) const;
    uint Jisx0208ToUnicode(uint h, uint l) const;
    uint Jisx0212ToUnicode(uint h, uint l) const;

//    uint UnicodeToAscii(uint h, uint l) const;
//    uint UnicodeToJisx0201(uint h, uint l) const;
    uint UnicodeToJisx0201Latin(uint h, uint l) const;
//    uint UnicodeToJisx0201Kana(uint h, uint l) const;
    uint UnicodeToJisx0208(uint h, uint l) const;
    uint UnicodeToJisx0212(uint h, uint l) const;
};

uint QJpUnicodeConv_Microsoft::Jisx0201LatinToUnicode(uint h, uint l) const
{
    return AsciiToUnicode(h, l);
}

uint QJpUnicodeConv_Microsoft::Jisx0208ToUnicode(uint h, uint l) const
{
    if (h == 0x21) {
	if (l == 0x40) {
	    return 0xff3c;
	} else if (l == 0x41) {
	    return 0xff5e;
	} else if (l == 0x42) {
	    return 0x2225;
	} else if (l == 0x5d) {
	    return 0xff0d;
	} else if (l == 0x71) {
	    return 0xffe0;
	} else if (l == 0x72) {
	    return 0xffe1;
	}
    } else if (h == 0x22) {
	if (l == 0x4c) {
	    return 0xffe2;
	}
    }
    return QJpUnicodeConv::Jisx0208ToUnicode(h, l);
}

uint QJpUnicodeConv_Microsoft::Jisx0212ToUnicode(uint h, uint l) const
{
    if (h == 0x22) {
	if (l == 0x37) {
	    return 0xff5e;
	} else if (l == 0x43) {
	    return 0xffe4;
	}
    }
    return QJpUnicodeConv::Jisx0212ToUnicode(h, l);
}

uint QJpUnicodeConv_Microsoft::UnicodeToJisx0201Latin(uint h, uint l) const
{
    return QJpUnicodeConv::UnicodeToAscii(h, l);
}

uint QJpUnicodeConv_Microsoft::UnicodeToJisx0208(uint h, uint l) const
{
#ifdef STRICT
    if (((h == 0x00) && ((l == 0x5c) || (l == 0xa2) || (l == 0xa3) || (l == 0xac))) ||
	((h == 0x20) && (l == 0x16)) ||
	((h == 0x22) && (l == 0x12)) ||
	((h == 0x30) && (l == 0x1c))) {
	return 0x0000;
    }
#else
    if ((h == 0x00) && (l == 0x5c)) {
	return 0x0000;
    }
#endif
    if ((h == 0x22) && (l == 0x25)) {
	return 0x2142;
    } else if (h == 0xff) {
	if (l == 0x0d) {
	    return 0x215d;
	} else if (l == 0x3c) {
	    return 0x2140;
	} else if (l == 0x5e) {
	    return 0x2141;
	} else if (l == 0xe0) {
	    return 0x2171;
	} else if (l == 0xe1) {
	    return 0x2172;
	} else if (l == 0xe2) {
	    return 0x224c;
	}
    }
    return QJpUnicodeConv::UnicodeToJisx0208(h, l);
}

uint QJpUnicodeConv_Microsoft::UnicodeToJisx0212(uint h, uint l) const
{
#ifdef STRICT
    if ((h == 0x00) && ((l == 0x7e) || (l == 0xa6))) {
	return 0x0000;
    }
#else
    if ((h == 0x00) && (l == 0x7e)) {
	return 0x0000;
    }
#endif
    if (h == 0xff) {
	if (l == 0x5e) {
	    return 0x2237;
	} else if (l == 0xe4) {
	    return 0x2243;
	}
    }
    return QJpUnicodeConv::UnicodeToJisx0212(h, l);
}


/*! \internal */
const QJpUnicodeConv *QJpUnicodeConv::newConverter(int rule)
{
    const char * e = 0;
    if ( rule == JU_Default && (e=getenv("UNICODEMAP_JP")) != 0 ) {
	QCString env( e );
	for (int i = 0; i < (int)env.length(); ) {
	    int j = env.find(',', i);
	    QCString s;
	    if (j < 0) {
		s = env.mid(i).stripWhiteSpace();
		i = env.length();
	    } else {
		s = env.mid(i, j - i).stripWhiteSpace();
		i = j + 1;
	    }
	    if (qstricmp(s, "unicode-0.9") == 0) {
		rule = (rule & 0xff00) | JU_Unicode;
	    } else if (qstricmp(s, "unicode-0201") == 0) {
		rule = (rule & 0xff00) | JU_Unicode_JISX0201;
	    } else if (qstricmp(s, "unicode-ascii") == 0) {
		rule = (rule & 0xff00) | JU_Unicode_ASCII;
	    } else if (qstricmp(s, "jisx0221-1995") == 0) {
		rule = (rule & 0xff00) | JU_JISX0221_JISX0201;
	    } else if ((qstricmp(s, "open-0201") == 0) ||
		       (qstricmp(s, "open-19970715-0201") == 0)) {
		rule = (rule & 0xff00) | JU_JISX0221_JISX0201;
	    } else if ((qstricmp(s, "open-ascii") == 0) ||
		       (qstricmp(s, "open-19970715-ascii") == 0)) {
		rule = (rule & 0xff00) | JU_JISX0221_ASCII;
	    } else if ((qstricmp(s, "open-ms") == 0) ||
		       (qstricmp(s, "open-19970715-ms") == 0)) {
		rule = (rule & 0xff00) | JU_Microsoft_CP932;
	    } else if (qstricmp(s, "cp932") == 0) {
		rule = (rule & 0xff00) | JU_Microsoft_CP932;
	    } else if (qstricmp(s, "jdk1.1.7") == 0) {
		rule = (rule & 0xff00) | JU_Sun_JDK117;
	    } else if (qstricmp(s, "nec-vdc") == 0) {
		rule = rule | JU_NEC_VDC;
	    } else if (qstricmp(s, "ibm-vdc") == 0) {
		rule = rule | JU_IBM_VDC;
	    } else if (qstricmp(s, "udc") == 0) {
		rule = rule | JU_UDC;
	    }
	}
    }

    switch (rule & 0x00ff) {
    case JU_Unicode_JISX0201:
	return new QJpUnicodeConv_Unicode_JISX0201(rule);
    case JU_Unicode_ASCII:
	return new QJpUnicodeConv_Unicode_ASCII(rule);
    case JU_JISX0221_JISX0201:
	return new QJpUnicodeConv_JISX0221_JISX0201(rule);
    case JU_JISX0221_ASCII:
	return new QJpUnicodeConv_JISX0221_ASCII(rule);
    case JU_Sun_JDK117:
	return new QJpUnicodeConv_Sun(rule);
    case JU_Microsoft_CP932:
	return new QJpUnicodeConv_Microsoft(rule);
    default:
	return new QJpUnicodeConv_Unicode_ASCII(rule);
    }
}


/*
 * JISX0208 <-> ShiftJIS conversion.
 */

static uint Jisx0208ToSjis(uint h, uint l)
{
    if ((0x0021 <= h) && (h <= 0x007e) && (0x0021 <= l) && (l <= 0x007e)) {
	return ((((h - 1) >> 1) + ((h <= 0x5e) ? 0x71 : 0xb1)) << 8) |
	       (l + ((h & 1) ? ((l < 0x60) ? 0x1f : 0x20) : 0x7e));
    }
    return 0x0000;
}

static uint SjisToJisx0208(uint h, uint l)
{
    if ((((0x81 <= h) && (h <= 0x9f)) || ((0xe0 <= h) && (h <= 0xef))) &&
	((0x40 <= l) && (l != 0x7f) && (l <= 0xfc))) {
	if (l < 0x9f) {
	    return (((h << 1) - ((h <= 0x9f) ? 0x00e1 : 0x0161)) << 8) |
		   (l - ((l <= 0x7f) ? 0x1f : 0x20));
	} else {
	    return (((h << 1) - ((h <= 0x9f) ? 0x00e1 : 0x0161) + 1) << 8) |
		   (l - 0x7e);
	}
    }
    return 0x0000;
}

/*
 * This function is derived from Unicode 1.1,
 * JIS X 0201 (1976) to Unicode mapping table version 0.9 .
 */

#define	JISX0201_YEN_SIGN	0x005c
#define	UNICODE_YEN_SIGN	0x00a5

#define	JISX0201_OVERLINE	0x007e
#define	UNICODE_OVERLINE	0x203e

static uint Jisx0201ToUnicode11(uint h, uint l)
{
    if (h == 0x00) {
	if (l < 0x80) {
	    if (l == JISX0201_YEN_SIGN) {
		return UNICODE_YEN_SIGN;
	    } else if (l == JISX0201_OVERLINE) {
		return UNICODE_OVERLINE;
	    } else {
		return l;
	    }
	} else if ((0xa1 <= l) && (l <= 0x00df)) {
	    return 0xff61 + l - 0x00a1;
	}
    }
    return 0x0000;
}

/*
 * This function is derived from Unicode 1.1,
 * JIS X 0201 (1976) to Unicode mapping table version 0.9 .
 */

static uint Unicode11ToJisx0201(uint h, uint l)
{
    if ((h == 0x00) && (l < 0x80)) {
	if ((l == JISX0201_YEN_SIGN) ||
	    (l == JISX0201_OVERLINE)) {
	    return 0x0000;
	}
	return l;
    } else if ((h == 0x00) && (l == 0xa5)) {
	return JISX0201_YEN_SIGN;
    } else if ((h == 0x20) && (l == 0x3e)) {
	return JISX0201_OVERLINE;
    } else if ((h == 0xff) && (0x61 <= l) && (l <= 0x9f)) {
	return 0x00a1 + l - 0x61;
    }
    return 0x0000;
}

/*
 * This data is derived from Unicode 1.1,