diff options
Diffstat (limited to 'trunk/qtools/qutfcodec.cpp')
| -rw-r--r-- | trunk/qtools/qutfcodec.cpp | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/trunk/qtools/qutfcodec.cpp b/trunk/qtools/qutfcodec.cpp deleted file mode 100644 index b0caa76..0000000 --- a/trunk/qtools/qutfcodec.cpp +++ /dev/null @@ -1,276 +0,0 @@ -/**************************************************************************** -** -** -** Implementation of QEucCodec class -** -** Created : 981015 -** -** Copyright (C)1998-2000 Trolltech AS. All rights reserved. -** -** This file is part of the tools module of the Qt GUI Toolkit. -** -** This file may be distributed under the terms of the Q Public License -** as defined by Trolltech AS of Norway and appearing in the file -** LICENSE.QPL included in the packaging of this file. -** -** This file may be distributed and/or modified under the terms of the -** GNU General Public License version 2 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. -** -** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition -** licenses may use this file in accordance with the Qt Commercial License -** Agreement provided with the Software. -** -** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE -** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. -** -** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for -** information about Qt Commercial License Agreements. -** See http://www.trolltech.com/qpl/ for QPL licensing information. -** See http://www.trolltech.com/gpl/ for GPL licensing information. -** -** Contact info@trolltech.com if any conditions of this licensing are -** not clear to you. -** -**********************************************************************/ - -#include "qutfcodec.h" - -#ifndef QT_NO_TEXTCODEC - -int QUtf8Codec::mibEnum() const -{ - return 106; -} - -QCString QUtf8Codec::fromUnicode(const QString& uc, int& len_in_out) const -{ - int l = QMIN((int)uc.length(),len_in_out); - int rlen = l*3+1; - QCString rstr(rlen); - uchar* cursor = (uchar*)rstr.data(); - for (int i=0; i<l; i++) { - QChar ch = uc[i]; - if ( !ch.row() && ch.cell() < 0x80 ) { - *cursor++ = ch.cell(); - } else { - uchar b = (ch.row() << 2) | (ch.cell() >> 6); - if ( ch.row() < 0x08 ) { - *cursor++ = 0xc0 | b; - } else { - *cursor++ = 0xe0 | (ch.row() >> 4); - *cursor++ = 0x80 | (b&0x3f); - } - *cursor++ = 0x80 | (ch.cell()&0x3f); - } - } - len_in_out = cursor - (uchar*)rstr.data(); - rstr.truncate(len_in_out); - return rstr; -} - -const char* QUtf8Codec::name() const -{ - return "UTF-8"; -} - -int QUtf8Codec::heuristicContentMatch(const char* chars, int len) const -{ - int score = 0; - for (int i=0; i<len; i++) { - uchar ch = chars[i]; - // No nulls allowed. - if ( !ch ) - return -1; - if ( ch < 128 ) { - // Inconclusive - score++; - } else if ( (ch&0xe0) == 0xc0 ) { - if ( i < len-1 ) { - uchar c2 = chars[++i]; - if ( (c2&0xc0) != 0x80 ) - return -1; - score+=3; - } - } else if ( (ch&0xf0) == 0xe0 ) { - if ( i < len-1 ) { - uchar c2 = chars[++i]; - if ( (c2&0xc0) != 0x80 ) { - return -1; -#if 0 - if ( i < len-1 ) { - uchar c3 = chars[++i]; - if ( (c3&0xc0) != 0x80 ) - return -1; - score+=3; - } -#endif - } - score+=2; - } - } - } - return score; -} - - - - -class QUtf8Decoder : public QTextDecoder { - ushort uc; - int need; -public: - QUtf8Decoder() : need(0) - { - } - - QString toUnicode(const char* chars, int len) - { - QString result; - for (int i=0; i<len; i++) { - uchar ch = chars[i]; - if (need) { - if ( (ch&0xc0) == 0x80 ) { - uc = (uc << 6) | (ch & 0x3f); - need--; - if ( !need ) { - result += QChar(uc); - } - } else { - // error - result += QChar::replacement; - need = 0; - } - } else { - if ( ch < 128 ) { - result += QChar(ch); - } else if ( (ch&0xe0) == 0xc0 ) { - uc = ch &0x1f; - need = 1; - } else if ( (ch&0xf0) == 0xe0 ) { - uc = ch &0x0f; - need = 2; - } - } - } - return result; - } -}; - -QTextDecoder* QUtf8Codec::makeDecoder() const -{ - return new QUtf8Decoder; -} - - - - - - -int QUtf16Codec::mibEnum() const -{ - return 1000; -} - -const char* QUtf16Codec::name() const -{ - return "ISO-10646-UCS-2"; -} - -int QUtf16Codec::heuristicContentMatch(const char* chars, int len) const -{ - uchar* uchars = (uchar*)chars; - if ( len >= 2 && ((uchars[0] == 0xff && uchars[1] == 0xfe) || - (uchars[1] == 0xff && uchars[0] == 0xfe)) ) - return len; - else - return 0; -} - - - - -class QUtf16Encoder : public QTextEncoder { - bool headerdone; -public: - QUtf16Encoder() : headerdone(FALSE) - { - } - - QCString fromUnicode(const QString& uc, int& len_in_out) - { - if ( headerdone ) { - len_in_out = uc.length()*sizeof(QChar); - QCString d(len_in_out); - memcpy(d.data(),uc.unicode(),len_in_out); - return d; - } else { - headerdone = TRUE; - len_in_out = (1+uc.length())*sizeof(QChar); - QCString d(len_in_out); - memcpy(d.data(),&QChar::byteOrderMark,sizeof(QChar)); - memcpy(d.data()+sizeof(QChar),uc.unicode(),uc.length()*sizeof(QChar)); - return d; - } - } -}; - -class QUtf16Decoder : public QTextDecoder { - uchar buf; - bool half; - bool swap; - bool headerdone; - -public: - QUtf16Decoder() : half(FALSE), swap(FALSE), headerdone(FALSE) - { - } - - QString toUnicode(const char* chars, int len) - { - QString r; - - while ( len-- ) { - if ( half ) { - QChar ch; - if ( swap ) { - ch.row() = *chars++; - ch.cell() = buf; - } else { - ch.row() = buf; - ch.cell() = *chars++; - } - if ( !headerdone ) { - if ( ch == QChar::byteOrderSwapped ) { - swap = !swap; - } else if ( ch == QChar::byteOrderMark ) { - // Ignore ZWNBSP - } else { - r += ch; - } - headerdone = TRUE; - } else - r += ch; - half = FALSE; - } else { - buf = *chars++; - half = TRUE; - } - } - - return r; - } -}; - -QTextDecoder* QUtf16Codec::makeDecoder() const -{ - return new QUtf16Decoder; -} - -QTextEncoder* QUtf16Codec::makeEncoder() const -{ - return new QUtf16Encoder; -} - -#endif // QT_NO_TEXTCODEC |