diff options
Diffstat (limited to 'src/plugins/codecs')
| -rw-r--r-- | src/plugins/codecs/cn/qgb18030codec.cpp | 59 |
1 files changed, 41 insertions, 18 deletions
diff --git a/src/plugins/codecs/cn/qgb18030codec.cpp b/src/plugins/codecs/cn/qgb18030codec.cpp index 5537cf7..3f2eec7 100644 --- a/src/plugins/codecs/cn/qgb18030codec.cpp +++ b/src/plugins/codecs/cn/qgb18030codec.cpp @@ -60,7 +60,7 @@ QT_BEGIN_NAMESPACE #define Is3rdByte(c) (InRange((c), 0x81, 0xFE)) #define Is4thByte(c) (InRange((c), 0x30, 0x39)) -#define QValidChar(u) ((u) ? QChar((ushort)(u)) : QChar(QChar::ReplacementCharacter)) +#define qValidChar(u) ((u) ? (u) : static_cast<ushort>(QChar::ReplacementCharacter)) /* User-defined areas: UDA 1: 0xAAA1 - 0xAFFE (564/0) UDA 2: 0xF8A1 - 0xFEFE (658/0) @@ -160,7 +160,7 @@ QString QGb18030Codec::convertToUnicode(const char* chars, int len, ConverterSta { uchar buf[4]; int nbuf = 0; - QChar replacement = QChar::ReplacementCharacter; + ushort replacement = QChar::ReplacementCharacter; if (state) { if (state->flags & ConvertInvalidToNull) replacement = QChar::Null; @@ -173,6 +173,9 @@ QString QGb18030Codec::convertToUnicode(const char* chars, int len, ConverterSta int invalid = 0; QString result; + result.resize(len); + int unicodeLen = 0; + ushort *const resultData = reinterpret_cast<ushort*>(result.data()); //qDebug("QGb18030Decoder::toUnicode(const char* chars, int len = %d)", len); for (int i = 0; i < len; i++) { uchar ch = chars[i]; @@ -180,14 +183,16 @@ QString QGb18030Codec::convertToUnicode(const char* chars, int len, ConverterSta case 0: if (ch < 0x80) { // ASCII - result += QLatin1Char(ch); + resultData[unicodeLen] = ch; + ++unicodeLen; } else if (Is1stByte(ch)) { // GB18030? buf[0] = ch; nbuf = 1; } else { // Invalid - result += replacement; + resultData[unicodeLen] = replacement; + ++unicodeLen; ++invalid; } break; @@ -198,9 +203,11 @@ QString QGb18030Codec::convertToUnicode(const char* chars, int len, ConverterSta int clen = 2; uint u = qt_Gb18030ToUnicode(buf, clen); if (clen == 2) { - result += QValidChar(u); + resultData[unicodeLen] = qValidChar(static_cast<ushort>(u)); + ++unicodeLen; } else { - result += replacement; + resultData[unicodeLen] = replacement; + ++unicodeLen; ++invalid; } nbuf = 0; @@ -209,7 +216,8 @@ QString QGb18030Codec::convertToUnicode(const char* chars, int len, ConverterSta nbuf = 2; } else { // Error - result += replacement; + resultData[unicodeLen] = replacement; + ++unicodeLen; ++invalid; nbuf = 0; } @@ -220,7 +228,8 @@ QString QGb18030Codec::convertToUnicode(const char* chars, int len, ConverterSta buf[2] = ch; nbuf = 3; } else { - result += replacement; + resultData[unicodeLen] = replacement; + ++unicodeLen; ++invalid; nbuf = 0; } @@ -232,19 +241,24 @@ QString QGb18030Codec::convertToUnicode(const char* chars, int len, ConverterSta int clen = 4; uint u = qt_Gb18030ToUnicode(buf, clen); if (clen == 4) { - result += QValidChar(u); + resultData[unicodeLen] = qValidChar(u); + ++unicodeLen; } else { - result += replacement; + resultData[unicodeLen] = replacement; + ++unicodeLen; ++invalid; } } else { - result += replacement; + resultData[unicodeLen] = replacement; + ++unicodeLen; ++invalid; } nbuf = 0; break; } } + result.resize(unicodeLen); + if (state) { state->remainingChars = nbuf; state->state_data[0] = (buf[0] << 24) + (buf[1] << 16) + (buf[2] << 8) + buf[3]; @@ -342,7 +356,7 @@ QString QGbkCodec::convertToUnicode(const char* chars, int len, ConverterState * int clen = 2; uint u = qt_Gb18030ToUnicode(buf, clen); if (clen == 2) { - result += QValidChar(u); + result += qValidChar(u); } else { result += replacement; ++invalid; @@ -445,7 +459,7 @@ QString QGb2312Codec::convertToUnicode(const char* chars, int len, ConverterStat { uchar buf[2]; int nbuf = 0; - QChar replacement = QChar::ReplacementCharacter; + ushort replacement = QChar::ReplacementCharacter; if (state) { if (state->flags & ConvertInvalidToNull) replacement = QChar::Null; @@ -456,6 +470,9 @@ QString QGb2312Codec::convertToUnicode(const char* chars, int len, ConverterStat int invalid = 0; QString result; + result.resize(len); + int unicodeLen = 0; + ushort *const resultData = reinterpret_cast<ushort*>(result.data()); //qDebug("QGb2312Decoder::toUnicode(const char* chars, int len = %d)", len); for (int i=0; i<len; i++) { uchar ch = chars[i]; @@ -463,14 +480,16 @@ QString QGb2312Codec::convertToUnicode(const char* chars, int len, ConverterStat case 0: if (ch < 0x80) { // ASCII - result += QLatin1Char(ch); + resultData[unicodeLen] = ch; + ++unicodeLen; } else if (IsByteInGb2312(ch)) { // GB2312 1st byte? buf[0] = ch; nbuf = 1; } else { // Invalid - result += replacement; + resultData[unicodeLen] = replacement; + ++unicodeLen; ++invalid; } break; @@ -481,21 +500,25 @@ QString QGb2312Codec::convertToUnicode(const char* chars, int len, ConverterStat int clen = 2; uint u = qt_Gb18030ToUnicode(buf, clen); if (clen == 2) { - result += QValidChar(u); + resultData[unicodeLen] = qValidChar(static_cast<ushort>(u)); + ++unicodeLen; } else { - result += replacement; + resultData[unicodeLen] = replacement; + ++unicodeLen; ++invalid; } nbuf = 0; } else { // Error - result += replacement; + resultData[unicodeLen] = replacement; + ++unicodeLen; ++invalid; nbuf = 0; } break; } } + result.resize(unicodeLen); if (state) { state->remainingChars = nbuf; |