Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731

1 files changed, 240 insertions, 0 deletions

diff --git a/src/codecs/qisciicodec.cpp b/src/codecs/qisciicodec.cpp
new file mode 100644
index 000000000..fa181ca80
--- /dev/null
+++ b/src/codecs/qisciicodec.cpp
@@ -0,0 +1,240 @@
+#include "qisciicodec_p.h"
+#ifndef QT_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::fromLatin1(p).lower() == TQString::fromLatin1(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.unicode();
+    uchar *ch = (uchar *)result.data();
+
+    int base = codecs[idx].base;
+
+    bool halant = FALSE;
+    for (int i =0; i < l; ++i) {
+	int pos = data[i].unicode() - 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].unicode() == 0x200c) { // ZWNJ
+		if (halant)
+		    // Consonant Halant ZWNJ -> Consonant Halant Halant
+		    *ch++ = 0xe8;
+	    } else if (data[i].unicode() == 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.unicode();
+
+    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 // QT_NO_CODECS