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Diffstat (limited to 'tqtinterface/qt4/src/codecs/tqsjiscodec.cpp')
| -rw-r--r-- | tqtinterface/qt4/src/codecs/tqsjiscodec.cpp | 382 |
1 files changed, 0 insertions, 382 deletions
diff --git a/tqtinterface/qt4/src/codecs/tqsjiscodec.cpp b/tqtinterface/qt4/src/codecs/tqsjiscodec.cpp deleted file mode 100644 index 5b907d6..0000000 --- a/tqtinterface/qt4/src/codecs/tqsjiscodec.cpp +++ /dev/null @@ -1,382 +0,0 @@ -/**************************************************************************** -** -** Implementation of TQSjisCodec class -** -** Created : 990225 -** -** Copyright (C) 2000-2008 Trolltech ASA. All rights reserved. -** -** This file is part of the tools module of the TQt GUI Toolkit. -** -** This file may be used under the terms of the GNU General -** Public License versions 2.0 or 3.0 as published by the Free -** Software Foundation and appearing in the files LICENSE.GPL2 -** and LICENSE.GPL3 included in the packaging of this file. -** Alternatively you may (at your option) use any later version -** of the GNU General Public License if such license has been -** publicly approved by Trolltech ASA (or its successors, if any) -** and the KDE Free TQt Foundation. -** -** Please review the following information to ensure GNU General -** Public Licensing requirements will be met: -** http://trolltech.com/products/qt/licenses/licensing/opensource/. -** If you are unsure which license is appropriate for your use, please -** review the following information: -** http://trolltech.com/products/qt/licenses/licensing/licensingoverview -** or contact the sales department at sales@trolltech.com. -** -** This file may be used under the terms of the Q Public License as -** defined by Trolltech ASA and appearing in the file LICENSE.TQPL -** included in the packaging of this file. Licensees holding valid TQt -** Commercial licenses may use this file in accordance with the TQt -** Commercial License Agreement provided with the Software. -** -** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, -** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted -** herein. -** -**********************************************************************/ - -// Most of the code here was originally written by Serika Kurusugawa -// a.k.a. Junji Takagi, and is included in TQt with the author's permission, -// and the grateful thanks of the Trolltech team. - -/*! \class TQSjisCodec tqsjiscodec.h - \reentrant - \ingroup i18n - \brief The TQSjisCodec class provides conversion to and from Shift-JIS. - - More precisely, the TQSjisCodec class subclasses TQTextCodec to - provide support for Shift-JIS, an encoding of JIS X 0201 Latin, JIS - X 0201 Kana or JIS X 0208. - - The environment variable \c UNICODEMAP_JP can be used to fine-tune - TQJisCodec, TQSjisCodec and TQEucJpCodec. The \l TQJisCodec - documentation describes how to use this variable. - - Most of the code here was written by Serika Kurusugawa, - a.k.a. Junji Takagi, and is included in TQt with the author's - permission and the grateful thanks of the Trolltech team. - Here is the copyright statement for the code as it was at the - point of contribution. Trolltech's subsequent modifications - are covered by the usual copyright for TQt. - - \legalese - - Copyright (C) 1999 Serika Kurusugawa. All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - \list 1 - \i Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - \i Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - \endlist - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS". - ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSETQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - SUCH DAMAGE. -*/ - -#include "tqsjiscodec.h" - -#ifndef TQT_NO_BIG_CODECS - -static const uchar Esc = 0x1b; - -#define IsKana(c) (((c) >= 0xa1) && ((c) <= 0xdf)) -#define IsSjisChar1(c) ((((c) >= 0x81) && ((c) <= 0x9f)) || \ - (((c) >= 0xe0) && ((c) <= 0xfc))) -#define IsSjisChar2(c) (((c) >= 0x40) && ((c) != 0x7f) && ((c) <= 0xfc)) -#define IsUserDefinedChar1(c) (((c) >= 0xf0) && ((c) <= 0xfc)) - -#define TQValidChar(u) ((u) ? TQChar((ushort)(u)) : TQChar::replacement) - -/*! - Creates a Shift-JIS codec. Note that this is done automatically by - the TQApplication, you do not need construct your own. -*/ -TQSjisCodec::TQSjisCodec() : conv(TQJpUnicodeConv::newConverter(TQJpUnicodeConv::Default)) -{ -} - - -/*! - Destroys the Shift-JIS codec. -*/ -TQSjisCodec::~TQSjisCodec() -{ - delete (TQJpUnicodeConv*)conv; - conv = 0; -} - - -/*! - \reimp -*/ -int TQSjisCodec::mibEnum() const -{ - /* - Name: Shift_JIS (preferred MIME name) - MIBenum: 17 - Source: A Microsoft code that extends csHalfWidthKatakana to include - kanji by adding a second byte when the value of the first - byte is in the ranges 81-9F or E0-EF. - Alias: MS_Kanji - Alias: csShiftJIS - */ - return 17; -} - -/*! - \reimp -*/ -TQCString TQSjisCodec::fromUnicode(const TQString& uc, int& lenInOut) const -{ - int l = TQMIN((int)uc.length(),lenInOut); - int rlen = l*2+1; - TQCString rstr(rlen); - uchar* cursor = (uchar*)rstr.data(); - for (int i=0; i<l; i++) { - TQChar ch = uc[i]; - uint j; - if ( ch.row() == 0x00 && ch.cell() < 0x80 ) { - // ASCII - *cursor++ = ch.cell(); - } else if ((j = conv->tqunicodeToJisx0201(ch.row(), ch.cell())) != 0) { - // JIS X 0201 Latin or JIS X 0201 Kana - *cursor++ = j; - } else if ((j = conv->tqunicodeToSjis(ch.row(), ch.cell())) != 0) { - // JIS X 0208 - *cursor++ = (j >> 8); - *cursor++ = (j & 0xff); - } else if ((j = conv->tqunicodeToSjisibmvdc(ch.row(), ch.cell())) != 0) { - // JIS X 0208 IBM VDC - *cursor++ = (j >> 8); - *cursor++ = (j & 0xff); - } else if ((j = conv->tqunicodeToCp932(ch.row(), ch.cell())) != 0) { - // CP932 (for lead bytes 87, ee & ed) - *cursor++ = (j >> 8); - *cursor++ = (j & 0xff); - } else if ((j = conv->tqunicodeToJisx0212(ch.row(), ch.cell())) != 0) { - // JIS X 0212 (can't be encoded in ShiftJIS !) - *cursor++ = 0x81; // white square - *cursor++ = 0xa0; // white square - } else { - // Error - *cursor++ = '?'; // unknown char - } - } - lenInOut = cursor - (uchar*)rstr.data(); - rstr.truncate(lenInOut); - return rstr; -} - -/*! - \reimp -*/ -TQString TQSjisCodec::toUnicode(const char* chars, int len) const -{ - uint u; - TQString result; - for (int i=0; i<len; i++) { - uchar ch = chars[i]; - if ( ch < 0x80 || IsKana(ch) ) { - // JIS X 0201 Latin or JIS X 0201 Kana - u = conv->jisx0201ToUnicode(ch); - result += TQValidChar(u); - } else if ( IsSjisChar1(ch) ) { - // JIS X 0208 - if ( i < len-1 ) { - uchar c2 = chars[++i]; - if ( IsSjisChar2(c2) ) { - if ((u = conv->sjisibmvdcToUnicode(ch, c2))) { - result += TQValidChar(u); - } else if ((u = conv->cp932ToUnicode(ch, c2))) { - result += TQValidChar(u); - } else if ( IsUserDefinedChar1(ch) ) { - result += TQChar::replacement; - } else { - u = conv->sjisToUnicode(ch, c2); - result += TQValidChar(u); - } - } else { - i--; - result += TQChar::replacement; - } - } else { - result += TQChar::replacement; - } - } else { - result += TQChar::replacement; - } - } - return result; -} - -/*! - \reimp -*/ -const char* TQSjisCodec::name() const -{ - return "SJIS"; -} - -/*! - Returns the codec's mime name. -*/ -const char* TQSjisCodec::mimeName() const -{ - return "Shift_JIS"; -} - -/*! - \reimp -*/ -int TQSjisCodec::heuristicNameMatch(const char* hint) const -{ - int score = 0; - bool ja = FALSE; - if (qstrnicmp(hint, "ja_JP", 5) == 0 || qstrnicmp(hint, "japan", 5) == 0) { - score += 3; - ja = TRUE; - } else if (qstrnicmp(hint, "ja", 2) == 0) { - score += 2; - ja = TRUE; - } - const char *p; - if (ja) { - p = strchr(hint, '.'); - if (p == 0) { - return score - 1; - } - p++; - } else { - p = hint; - } - if (p) { - if ((qstricmp(p, "mscode") == 0) || - (qstricmp(p, "PCK") == 0) || - (qstricmp(p, "SJIS") == 0) || - (simpleHeuristicNameMatch(p, "ShiftJIS") > 0) || - (simpleHeuristicNameMatch(p, "x-sjis") > 0)) { - return score + 4; - } - } - return TQTextCodec::heuristicNameMatch(hint); -} - -/*! - \reimp -*/ -int TQSjisCodec::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 || ch == Esc ) - return -1; - if ( ch < 32 && ch != '\t' && ch != '\n' && ch != '\r' ) { - // Suspicious - if ( score ) - score--; - } else if ( ch < 0x80 ) { - // Inconclusive - score++; - } else if ( IsKana(ch) ) { - // JIS X 0201 Kana - score++; - } else if ( IsSjisChar1(ch) ) { - // JIS X 0208-1990 - if ( i < len-1 ) { - uchar c2 = chars[++i]; - if ( !IsSjisChar2(c2) ) - return -1; - score++; - } - score++; - } else { - // Invalid - return -1; - } - } - return score; -} - -class TQSjisDecoder : public TQTextDecoder { - uchar buf[1]; - int nbuf; - const TQJpUnicodeConv * const conv; -public: - TQSjisDecoder(const TQJpUnicodeConv *c) : nbuf(0), conv(c) - { - } - - TQString toUnicode(const char* chars, int len) - { - TQString result; - uint u= 0; - for (int i=0; i<len; i++) { - uchar ch = chars[i]; - switch (nbuf) { - case 0: - if ( ch < 0x80 || IsKana(ch) ) { - // JIS X 0201 Latin or JIS X 0201 Kana - u = conv->jisx0201ToUnicode(ch); - result += TQValidChar(u); - } else if ( IsSjisChar1(ch) ) { - // JIS X 0208 - buf[0] = ch; - nbuf = 1; - } else { - // Invalid - result += TQChar::replacement; - } - break; - case 1: - // JIS X 0208 - if ( IsSjisChar2(ch) ) { - if ((u = conv->sjisibmvdcToUnicode(buf[0], ch))) { - result += TQValidChar(u); - } else if ((u = conv->cp932ToUnicode(buf[0], ch))) { - result += TQValidChar(u); - } else if ( IsUserDefinedChar1(buf[0]) ) { - result += TQChar::replacement; - } else { - u = conv->sjisToUnicode(buf[0], ch); - result += TQValidChar(u); - } - } else { - // Invalid - result += TQChar::replacement; - } - nbuf = 0; - break; - } - } - return result; - } -}; - -/*! - \reimp -*/ -TQTextDecoder* TQSjisCodec::makeDecoder() const -{ - return new TQSjisDecoder(conv); -} - -#endif |