Exemple #1
0
/*! \reimp */
QString QTsciiCodec::toUnicode(const char* chars, int len) const
{
    QString result;
    for (int i = 0; i < len; i++) {
	uchar ch = chars[i];
	if ( ch < 0x80 ) {
	    // ASCII
	    result += QChar(ch);
	} else if ( IsTSCIIChar(ch) ) {
	    // TSCII
	    uint s[3];
	    uint u = qt_TSCIIToUnicode(ch, s);
	    uint *p = s;
	    while ( u-- ) {
		uint c = *p++;
		result += QValidChar(c);
	    }
	} else {
	    // Invalid
	    result += QChar::replacement;
	}
    }

    return result;
}
    QString toUnicode(const char* chars, int len)
    {
	QString result;
	for (int i=0; i<len; i++) {
	    uchar ch = chars[i];
	    if (esc) {
		// Escape sequence
		state = Unknown;
		switch (nbuf) {
		  case 0:
		    if (ch == '$' || strchr(Esc_CHARS, ch)) {
			buf[nbuf++] = ch;
		    } else {
			nbuf = 0;
			esc = FALSE;
		    }
		    break;
		  case 1:
		    if (buf[0] == '$') {
			if (strchr(Esc_CHARS, ch)) {
			    buf[nbuf++] = ch;
			} else {
			    switch (ch) {
			      case '@':
				state = JISX0208_1978;	// Esc $ @
				break;
			      case 'B':
				state = JISX0208_1983;	// Esc $ B
				break;
			    }
			    nbuf = 0;
			    esc = FALSE;
			}
		    } else {
			if (buf[0] == '(') {
			    switch (ch) {
			      case 'B':
				state = Ascii;	// Esc ( B
				break;
			      case 'I':
				state = JISX0201_Kana;	// Esc ( I
				break;
			      case 'J':
				state = JISX0201_Latin;	// Esc ( J
				break;
			    }
			}
			nbuf = 0;
			esc = FALSE;
		    }
		    break;
		  case 2:
		    if (buf[1] == '(') {
			switch (ch) {
			  case 'D':
			    state = JISX0212;	// Esc $ ( D
			    break;
			}
		    }
		    nbuf = 0;
		    esc = FALSE;
		    break;
		}
	    } else {
		if (ch == Esc) {
		    // Escape sequence
		    nbuf = 0;
		    esc = TRUE;
		} else if (ch == So) {
		    // Shift out
		    prev = state;
		    state = JISX0201_Kana;
		    nbuf = 0;
		} else if (ch == Si) {
		    // Shift in
		    if (prev == Ascii || prev == JISX0201_Latin) {
			state = prev;
		    } else {
			state = Ascii;
		    }
		    nbuf = 0;
		} else {
		    uint u;
		    switch (nbuf) {
		      case 0:
			switch (state) {
			  case Ascii:
			    if (ch < 0x80) {
				result += QChar(ch);
				break;
			    }
			    /* fall throught */
			  case JISX0201_Latin:
			    u = conv->Jisx0201ToUnicode(ch);
			    result += QValidChar(u);
			    break;
			  case JISX0201_Kana:
			    u = conv->Jisx0201ToUnicode(ch | 0x80);
			    result += QValidChar(u);
			    break;
			  case JISX0208_1978:
			  case JISX0208_1983:
			  case JISX0212:
			    buf[nbuf++] = ch;
			    break;
			  default:
			    result += QChar::replacement;
			    break;
			}
			break;
		      case 1:
			switch (state) {
			  case JISX0208_1978:
			  case JISX0208_1983:
			    u = conv->Jisx0208ToUnicode(buf[0] & 0x7f, ch & 0x7f);
			    result += QValidChar(u);
			    break;
			  case JISX0212:
			    u = conv->Jisx0212ToUnicode(buf[0] & 0x7f, ch & 0x7f);
			    result += QValidChar(u);
			    break;
			  default:
			    result += QChar::replacement;
			    break;
			}
			nbuf = 0;
			break;
		    }
		}
	    }
	}
	return result;
    }
/*! \internal */
QString QJisCodec::toUnicode(const char* chars, int len) const
{
    QString result;
    Iso2022State state = Ascii, prev = Ascii;
    for (int i=0; i<len; i++) {
	uchar ch = chars[i];
	if ( ch == Esc ) {
	    // Escape sequence
	    state = Unknown;
	    if ( i < len-1 ) {
		uchar c2 = chars[++i];
		if (c2 == '$') {
		    if ( i < len-1 ) {
			uchar c3 = chars[++i];
			if (strchr(Esc_CHARS, c3)) {
			    if ( i < len-1 ) {
				uchar c4 = chars[++i];
				if (c4 == '(') {
				    switch (c4) {
				      case 'D':
					state = JISX0212;	// Esc $ ( D
					break;
				    }
				}
			    }
			} else {
			    switch (c3) {
			      case '@':
				state = JISX0208_1978;	// Esc $ @
				break;
			      case 'B':
				state = JISX0208_1983;	// Esc $ B
				break;
			    }
			}
		    }
		} else {
		    if (strchr(Esc_CHARS, c2)) {
			if ( i < len-1 ) {
			    uchar c3 = chars[++i];
			    if (c2 == '(') {
				switch (c3) {
				  case 'B':
				    state = Ascii;	// Esc ( B
				    break;
				  case 'I':
				    state = JISX0201_Kana;	// Esc ( I
				    break;
				  case 'J':
				    state = JISX0201_Latin;	// Esc ( J
				    break;
				}
			    }
			}
		    }
		}
	    }
	} else if (ch == So) {
	    // Shift out
	    prev = state;
	    state = JISX0201_Kana;
	} else if (ch == Si) {
	    // Shift in
	    if (prev == Ascii || prev == JISX0201_Latin) {
		state = prev;
	    } else {
		state = Ascii;
	    }
	} else {
	    uint u;
	    switch (state) {
	      case Ascii:
		if (ch < 0x80) {
		    result += QChar(ch);
		    break;
		}
		/* fall throught */
	      case JISX0201_Latin:
		u = conv->Jisx0201ToUnicode(ch);
		result += QValidChar(u);
		break;
	      case JISX0201_Kana:
		u = conv->Jisx0201ToUnicode(ch | 0x80);
		result += QValidChar(u);
		break;
	      case JISX0208_1978:
	      case JISX0208_1983:
		if ( i < len-1 ) {
		    uchar c2 = chars[++i];
		    u = conv->Jisx0208ToUnicode(ch & 0x7f, c2 & 0x7f);
		    result += QValidChar(u);
		}
		break;
	      case JISX0212:
		if ( i < len-1 ) {
		    uchar c2 = chars[++i];
		    u = conv->Jisx0212ToUnicode(ch & 0x7f, c2 & 0x7f);
		    result += QValidChar(u);
		}
		break;
	      default:
		result += QChar::replacement;
		break;
	    }
	}
    }
    return result;
}