diff options
Diffstat (limited to 'tqtinterface/qt4/src/codecs/tqisciicodec.cpp')
| -rw-r--r-- | tqtinterface/qt4/src/codecs/tqisciicodec.cpp | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/tqtinterface/qt4/src/codecs/tqisciicodec.cpp b/tqtinterface/qt4/src/codecs/tqisciicodec.cpp deleted file mode 100644 index b9f414b..0000000 --- a/tqtinterface/qt4/src/codecs/tqisciicodec.cpp +++ /dev/null @@ -1,240 +0,0 @@ -#include "tqisciicodec_p.h" -#ifndef TQT_NO_CODECS - -#define TQValidChar(u) ((u) ? TQChar((u)) : TQChar::replacement) - -/*! - \class TQIsciiCodec - \brief The TQIsciiCodec class provides conversion to and from the ISCII encoding. - - \ingroup i18n - \internal -*/ - -TQIsciiCodec::TQIsciiCodec(int i) -: idx(i) -{ -} - -int TQIsciiCodec::mibEnum() const -{ - /* There is no MIBEnum for Iscii */ - return -3000-idx; -} - - -struct Codecs { - const char *name; - ushort base; -}; - -static const Codecs codecs [] = { - { "Iscii-Dev", 0x900 }, - { "Iscii-Bng", 0x980 }, - { "Iscii-Pnj", 0xa00 }, - { "Iscii-Gjr", 0xa80 }, - { "Iscii-Ori", 0xb00 }, - { "Iscii-Tml", 0xb80 }, - { "Iscii-Tlg", 0xc00 }, - { "Iscii-Knd", 0xc80 }, - { "Iscii-Mlm", 0xd00 } -}; - -const char* TQIsciiCodec::name() const -{ - return codecs[idx].name; -} - -const char* TQIsciiCodec::mimeName() const -{ - return codecs[idx].name; -} - - -int TQIsciiCodec::heuristicNameMatch(const char* hint) const -{ - const char *p = strchr(hint, '.'); - if (p) - p++; - else - p = hint; - - if (TQString::tqfromLatin1(p).lower() == TQString::tqfromLatin1(codecs[idx].name).lower()) - return 4; - else - return TQTextCodec::heuristicNameMatch(hint); -} - -int TQIsciiCodec::heuristicContentMatch(const char*, int) const -{ - return 0; -} - -#define INV 0xff - -/* iscii range from 0xa0 - 0xff */ -static const uchar iscii_to_uni_table[0x60] = { - 0x00, 0x01, 0x02, 0x03, - 0x05, 0x06, 0x07, 0x08, - 0x09, 0x0a, 0x0b, 0x0e, - 0x0f, 0x20, 0x0d, 0x12, - - 0x13, 0x14, 0x11, 0x15, - 0x16, 0x17, 0x18, 0x19, - 0x1a, 0x1b, 0x1c, 0x1d, - 0x1e, 0x1f, 0x20, 0x21, - - 0x22, 0x23, 0x24, 0x25, - 0x26, 0x27, 0x28, 0x29, - 0x2a, 0x2b, 0x2c, 0x2d, - 0x2e, 0x2f, 0x5f, 0x30, - - 0x31, 0x32, 0x33, 0x34, - 0x35, 0x36, 0x37, 0x38, - 0x39, INV, 0x3e, 0x3f, - 0x40, 0x41, 0x42, 0x43, - - 0x46, 0x47, 0x48, 0x45, - 0x4a, 0x4b, 0x4c, 0x49, - 0x4d, 0x3c, 0x64, 0x00, - 0x00, 0x00, 0x00, 0x00, - - 0x00, 0x66, 0x67, 0x68, - 0x69, 0x6a, 0x6b, 0x6c, - 0x6d, 0x6e, 0x6f, 0x00, - 0x00, 0x00, 0x00, 0x00 -}; - -static const uchar uni_to_iscii_table[0x80] = { - 0x00, 0xa1, 0xa2, 0xa3, - 0x00, 0xa4, 0xa5, 0xa6, - 0xa7, 0xa8, 0xa9, 0xaa, - 0x00, 0xae, 0xab, 0xac, - - 0xad, 0xb2, 0xaf, 0xb0, - 0xb1, 0xb3, 0xb4, 0xb5, - 0xb6, 0xb7, 0xb8, 0xb9, - 0xba, 0xbb, 0xbc, 0xbd, - - 0xbe, 0xbf, 0xc0, 0xc1, - 0xc2, 0xc3, 0xc4, 0xc5, - 0xc6, 0xc7, 0xc8, 0xc9, - 0xca, 0xcb, 0xcc, 0xcd, - - 0xcf, 0xd0, 0xd1, 0xd2, - 0xd3, 0xd4, 0xd5, 0xd6, - 0xd7, 0xd8, 0x00, 0x00, - 0xe9, 0x00, 0xda, 0xdb, - - 0xdc, 0xdd, 0xde, 0xdf, - 0x00, 0xe3, 0xe0, 0xe1, - 0xe2, 0xe7, 0xe4, 0xe5, - 0xe6, 0xe8, 0x00, 0x00, - - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x01, 0x02, 0x03, 0x04, // decomposable into the uc codes listed here + nukta - 0x05, 0x06, 0x07, 0xce, - - 0x00, 0x00, 0x00, 0x00, - 0xea, 0x08, 0xf1, 0xf2, - 0xf3, 0xf4, 0xf5, 0xf6, - 0xf7, 0xf8, 0xf9, 0xfa, - - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00 -}; - -static const uchar uni_to_iscii_pairs[] = { - 0x00, 0x00, - 0x15, 0x3c, // 0x958 - 0x16, 0x3c, // 0x959 - 0x17, 0x3c, // 0x95a - 0x1c, 0x3c, // 0x95b - 0x21, 0x3c, // 0x95c - 0x22, 0x3c, // 0x95d - 0x2b, 0x3c, // 0x95e - 0x64, 0x64 // 0x965 -}; - - -TQCString TQIsciiCodec::fromUnicode(const TQString& uc, int& len_in_out) const -{ - int l = uc.length(); - if (len_in_out > 0) - l = TQMIN(l, len_in_out); - TQCString result(2*l); //worst case - - const TQChar *data = uc.tqunicode(); - uchar *ch = (uchar *)result.data(); - - int base = codecs[idx].base; - - bool halant = FALSE; - for (int i =0; i < l; ++i) { - int pos = data[i].tqunicode() - base; - if (pos > 0 && pos < 0x80) { - uchar iscii = uni_to_iscii_table[pos]; - if (iscii > 0x80) { - *ch++ = iscii; - } else if (iscii) { - const uchar *pair = uni_to_iscii_pairs + 2*iscii; - *ch++ = *pair++; - *ch++ = *pair++; - } else { - *ch++ = '?'; - } - } else { - if (data[i].tqunicode() == 0x200c) { // ZWNJ - if (halant) - // Consonant Halant ZWNJ -> Consonant Halant Halant - *ch++ = 0xe8; - } else if (data[i].tqunicode() == 0x200d) { // ZWJ - if (halant) - // Consonant Halant ZWJ -> Consonant Halant Nukta - *ch++ = 0xe9; - } else { - *ch++ = '?'; - } - } - halant = (pos == 0x4d); - } - len_in_out = ch - (uchar *)result.data(); - result.truncate(len_in_out); - return result; -} - -TQString TQIsciiCodec::toUnicode( const char* chars, int len_in ) const -{ - TQString result; - result.setLength(len_in); - - TQChar *uc = (TQChar *)result.tqunicode(); - - int base = codecs[idx].base; - - bool halant = FALSE; - for (int i = 0; i < len_in; ++i) { - ushort ch = (uchar) chars[i]; - if (ch < 0xa0) - *uc++ = TQValidChar(ch); - else { - ushort c = iscii_to_uni_table[ch - 0xa0]; - if (halant && (c == INV || c == 0xe9)) { - // Consonant Halant INV -> Consonant Halant ZWJ - // Consonant Halant Nukta -> Consonant Halant ZWJ - *uc++ = TQChar(0x200d); - } else if (halant && c == 0xe8) { - // Consonant Halant Halant -> Consonant Halant ZWNJ - *uc++ = TQChar(0x200c); - } else { - *uc++ = TQChar(c+base); - } - } - halant = ((uchar)chars[i] == 0xe8); - } - return result; -} -#endif // TQT_NO_CODECS |