/****************************************************************************+ −
**+ −
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).+ −
** All rights reserved.+ −
** Contact: Nokia Corporation (qt-info@nokia.com)+ −
**+ −
** This file is part of the plugins of the Qt Toolkit.+ −
**+ −
** $QT_BEGIN_LICENSE:LGPL$+ −
** No Commercial Usage+ −
** This file contains pre-release code and may not be distributed.+ −
** You may use this file in accordance with the terms and conditions+ −
** contained in the Technology Preview License Agreement accompanying+ −
** this package.+ −
**+ −
** GNU Lesser General Public License Usage+ −
** Alternatively, this file may be used under the terms of the GNU Lesser+ −
** General Public License version 2.1 as published by the Free Software+ −
** Foundation and appearing in the file LICENSE.LGPL included in the+ −
** packaging of this file. Please review the following information to+ −
** ensure the GNU Lesser General Public License version 2.1 requirements+ −
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+ −
**+ −
** In addition, as a special exception, Nokia gives you certain additional+ −
** rights. These rights are described in the Nokia Qt LGPL Exception+ −
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+ −
**+ −
** If you have questions regarding the use of this file, please contact+ −
** Nokia at qt-info@nokia.com.+ −
**+ −
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**+ −
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**+ −
**+ −
**+ −
**+ −
** $QT_END_LICENSE$+ −
**+ −
****************************************************************************/+ −
+ −
// Most of the code here was originally written by Serika Kurusugawa+ −
// a.k.a. Junji Takagi, and is included in Qt with the author's permission,+ −
// and the grateful thanks of the Qt team.+ −
+ −
/*! \class QEucJpCodec+ −
\reentrant+ −
\internal+ −
*/+ −
+ −
/*+ −
* 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:+ −
* 1. Redistributions of source code must retain the above copyright+ −
* notice, this list of conditions and the following disclaimer.+ −
* 2. 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.+ −
*+ −
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND+ −
* 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 CONSEQUENTIAL+ −
* 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 "qeucjpcodec.h"+ −
+ −
QT_BEGIN_NAMESPACE+ −
+ −
#ifndef QT_NO_TEXTCODEC+ −
+ −
static const uchar Ss2 = 0x8e; // Single Shift 2+ −
static const uchar Ss3 = 0x8f; // Single Shift 3+ −
+ −
#define IsKana(c) (((c) >= 0xa1) && ((c) <= 0xdf))+ −
#define IsEucChar(c) (((c) >= 0xa1) && ((c) <= 0xfe))+ −
+ −
#define QValidChar(u) ((u) ? QChar((ushort)(u)) : QChar(QChar::ReplacementCharacter))+ −
+ −
/*!+ −
Constructs a QEucJpCodec.+ −
*/+ −
QEucJpCodec::QEucJpCodec() : conv(QJpUnicodeConv::newConverter(QJpUnicodeConv::Default))+ −
{+ −
}+ −
+ −
/*!+ −
Destroys the codec.+ −
*/+ −
QEucJpCodec::~QEucJpCodec()+ −
{+ −
delete (QJpUnicodeConv*)conv;+ −
conv = 0;+ −
}+ −
+ −
QByteArray QEucJpCodec::convertFromUnicode(const QChar *uc, int len, ConverterState *state) const+ −
{+ −
char replacement = '?';+ −
if (state) {+ −
if (state->flags & ConvertInvalidToNull)+ −
replacement = 0;+ −
}+ −
int invalid = 0;+ −
+ −
int rlen = 3*len + 1;+ −
QByteArray rstr;+ −
rstr.resize(rlen);+ −
uchar* cursor = (uchar*)rstr.data();+ −
for (int i = 0; i < len; i++) {+ −
QChar ch = uc[i];+ −
uint j;+ −
if (ch.unicode() < 0x80) {+ −
// ASCII+ −
*cursor++ = ch.cell();+ −
} else if ((j = conv->unicodeToJisx0201(ch.row(), ch.cell())) != 0) {+ −
if (j < 0x80) {+ −
// JIS X 0201 Latin ?+ −
*cursor++ = j;+ −
} else {+ −
// JIS X 0201 Kana+ −
*cursor++ = Ss2;+ −
*cursor++ = j;+ −
}+ −
} else if ((j = conv->unicodeToJisx0208(ch.row(), ch.cell())) != 0) {+ −
// JIS X 0208+ −
*cursor++ = (j >> 8) | 0x80;+ −
*cursor++ = (j & 0xff) | 0x80;+ −
} else if ((j = conv->unicodeToJisx0212(ch.row(), ch.cell())) != 0) {+ −
// JIS X 0212+ −
*cursor++ = Ss3;+ −
*cursor++ = (j >> 8) | 0x80;+ −
*cursor++ = (j & 0xff) | 0x80;+ −
} else {+ −
// Error+ −
*cursor++ = replacement;+ −
++invalid;+ −
}+ −
}+ −
rstr.resize(cursor - (uchar*)rstr.constData());+ −
+ −
if (state) {+ −
state->invalidChars += invalid;+ −
}+ −
return rstr;+ −
}+ −
+ −
+ −
QString QEucJpCodec::convertToUnicode(const char* chars, int len, ConverterState *state) const+ −
{+ −
uchar buf[2] = {0, 0};+ −
int nbuf = 0;+ −
QChar replacement = QChar::ReplacementCharacter;+ −
if (state) {+ −
if (state->flags & ConvertInvalidToNull)+ −
replacement = QChar::Null;+ −
nbuf = state->remainingChars;+ −
buf[0] = state->state_data[0];+ −
buf[1] = state->state_data[1];+ −
}+ −
int invalid = 0;+ −
+ −
QString result;+ −
for (int i=0; i<len; i++) {+ −
uchar ch = chars[i];+ −
switch (nbuf) {+ −
case 0:+ −
if (ch < 0x80) {+ −
// ASCII+ −
result += QLatin1Char(ch);+ −
} else if (ch == Ss2 || ch == Ss3) {+ −
// JIS X 0201 Kana or JIS X 0212+ −
buf[0] = ch;+ −
nbuf = 1;+ −
} else if (IsEucChar(ch)) {+ −
// JIS X 0208+ −
buf[0] = ch;+ −
nbuf = 1;+ −
} else {+ −
// Invalid+ −
result += replacement;+ −
++invalid;+ −
}+ −
break;+ −
case 1:+ −
if (buf[0] == Ss2) {+ −
// JIS X 0201 Kana+ −
if (IsKana(ch)) {+ −
uint u = conv->jisx0201ToUnicode(ch);+ −
result += QValidChar(u);+ −
} else {+ −
result += replacement;+ −
++invalid;+ −
}+ −
nbuf = 0;+ −
} else if (buf[0] == Ss3) {+ −
// JIS X 0212-1990+ −
if (IsEucChar(ch)) {+ −
buf[1] = ch;+ −
nbuf = 2;+ −
} else {+ −
// Error+ −
result += replacement;+ −
++invalid;+ −
nbuf = 0;+ −
}+ −
} else {+ −
// JIS X 0208-1990+ −
if (IsEucChar(ch)) {+ −
uint u = conv->jisx0208ToUnicode(buf[0] & 0x7f, ch & 0x7f);+ −
result += QValidChar(u);+ −
} else {+ −
// Error+ −
result += replacement;+ −
++invalid;+ −
}+ −
nbuf = 0;+ −
}+ −
break;+ −
case 2:+ −
// JIS X 0212+ −
if (IsEucChar(ch)) {+ −
uint u = conv->jisx0212ToUnicode(buf[1] & 0x7f, ch & 0x7f);+ −
result += QValidChar(u);+ −
} else {+ −
result += replacement;+ −
++invalid;+ −
}+ −
nbuf = 0;+ −
}+ −
}+ −
if (state) {+ −
state->remainingChars = nbuf;+ −
state->state_data[0] = buf[0];+ −
state->state_data[1] = buf[1];+ −
state->invalidChars += invalid;+ −
}+ −
return result;+ −
}+ −
+ −
int QEucJpCodec::_mibEnum()+ −
{+ −
return 18;+ −
}+ −
+ −
QByteArray QEucJpCodec::_name()+ −
{+ −
return "EUC-JP";+ −
}+ −
#endif // QT_NO_TEXTCODEC+ −
+ −
QT_END_NAMESPACE+ −