/*! \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;
}