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-rw-r--r--src/plugins/codecs/jp/qjiscodec.cpp367
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diff --git a/src/plugins/codecs/jp/qjiscodec.cpp b/src/plugins/codecs/jp/qjiscodec.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2012 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.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** 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.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-// 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 QJisCodec
- \reentrant
- \internal
-*/
-
-#include "qjiscodec.h"
-#include "qlist.h"
-
-QT_BEGIN_NAMESPACE
-
-#ifndef QT_NO_TEXTCODEC
-enum {
- Esc = 0x1b,
- So = 0x0e, // Shift Out
- Si = 0x0f, // Shift In
-
- ReverseSolidus = 0x5c,
- YenSign = 0x5c,
- Tilde = 0x7e,
- Overline = 0x7e
-};
-
-#define IsKana(c) (((c) >= 0xa1) && ((c) <= 0xdf))
-#define IsJisChar(c) (((c) >= 0x21) && ((c) <= 0x7e))
-
-#define QValidChar(u) ((u) ? QChar((ushort)(u)) : QChar(QChar::ReplacementCharacter))
-
-enum Iso2022State{ Ascii, MinState = Ascii,
- JISX0201_Latin, JISX0201_Kana,
- JISX0208_1978, JISX0208_1983,
- JISX0212, MaxState = JISX0212,
- UnknownState };
-
-static const char Esc_CHARS[] = "()*+-./";
-
-static const char Esc_Ascii[] = {Esc, '(', 'B', 0 };
-static const char Esc_JISX0201_Latin[] = {Esc, '(', 'J', 0 };
-static const char Esc_JISX0201_Kana[] = {Esc, '(', 'I', 0 };
-static const char Esc_JISX0208_1978[] = {Esc, '$', '@', 0 };
-static const char Esc_JISX0208_1983[] = {Esc, '$', 'B', 0 };
-static const char Esc_JISX0212[] = {Esc, '$', '(', 'D', 0 };
-static const char * const Esc_SEQ[] = { Esc_Ascii,
- Esc_JISX0201_Latin,
- Esc_JISX0201_Kana,
- Esc_JISX0208_1978,
- Esc_JISX0208_1983,
- Esc_JISX0212 };
-
-/*! \internal */
-QJisCodec::QJisCodec() : conv(QJpUnicodeConv::newConverter(QJpUnicodeConv::Default))
-{
-}
-
-
-/*! \internal */
-QJisCodec::~QJisCodec()
-{
- delete (QJpUnicodeConv*)conv;
- conv = 0;
-}
-
-QByteArray QJisCodec::convertFromUnicode(const QChar *uc, int len, ConverterState *cs) const
-{
- char replacement = '?';
- if (cs) {
- if (cs->flags & ConvertInvalidToNull)
- replacement = 0;
- }
- int invalid = 0;
-
- QByteArray result;
- Iso2022State state = Ascii;
- Iso2022State prev = Ascii;
- for (int i = 0; i < len; i++) {
- QChar ch = uc[i];
- uint j;
- if (ch.row() == 0x00 && ch.cell() < 0x80) {
- // Ascii
- if (state != JISX0201_Latin ||
- ch.cell() == ReverseSolidus || ch.cell() == Tilde) {
- state = Ascii;
- }
- j = ch.cell();
- } else if ((j = conv->unicodeToJisx0201(ch.row(), ch.cell())) != 0) {
- if (j < 0x80) {
- // JIS X 0201 Latin
- if (state != Ascii ||
- ch.cell() == YenSign || ch.cell() == Overline) {
- state = JISX0201_Latin;
- }
- } else {
- // JIS X 0201 Kana
- state = JISX0201_Kana;
- j &= 0x7f;
- }
- } else if ((j = conv->unicodeToJisx0208(ch.row(), ch.cell())) != 0) {
- // JIS X 0208
- state = JISX0208_1983;
- } else if ((j = conv->unicodeToJisx0212(ch.row(), ch.cell())) != 0) {
- // JIS X 0212
- state = JISX0212;
- } else {
- // Invalid
- state = UnknownState;
- j = replacement;
- ++invalid;
- }
- if (state != prev) {
- if (state == UnknownState) {
- result += Esc_Ascii;
- } else {
- result += Esc_SEQ[state - MinState];
- }
- prev = state;
- }
- if (j < 0x0100) {
- result += j & 0xff;
- } else {
- result += (j >> 8) & 0xff;
- result += j & 0xff;
- }
- }
- if (prev != Ascii) {
- result += Esc_Ascii;
- }
-
- if (cs) {
- cs->invalidChars += invalid;
- }
- return result;
-}
-
-QString QJisCodec::convertToUnicode(const char* chars, int len, ConverterState *cs) const
-{
- uchar buf[4] = {0, 0, 0, 0};
- int nbuf = 0;
- Iso2022State state = Ascii, prev = Ascii;
- bool esc = false;
- QChar replacement = QChar::ReplacementCharacter;
- if (cs) {
- if (cs->flags & ConvertInvalidToNull)
- replacement = QChar::Null;
- nbuf = cs->remainingChars;
- buf[0] = (cs->state_data[0] >> 24) & 0xff;
- buf[1] = (cs->state_data[0] >> 16) & 0xff;
- buf[2] = (cs->state_data[0] >> 8) & 0xff;
- buf[3] = (cs->state_data[0] >> 0) & 0xff;
- state = (Iso2022State)((cs->state_data[1] >> 0) & 0xff);
- prev = (Iso2022State)((cs->state_data[1] >> 8) & 0xff);
- esc = cs->state_data[2];
- }
- int invalid = 0;
-
- QString result;
- for (int i=0; i<len; i++) {
- uchar ch = chars[i];
- if (esc) {
- // Escape sequence
- state = UnknownState;
- switch (nbuf) {
- case 0:
- if (ch == '$' || strchr(Esc_CHARS, ch)) {
- buf[nbuf++] = ch;
- } else {
- nbuf = 0;
- esc = false;
- }
- break;
- case 1:
- if (buf[0] == '$') {
- if (strchr(Esc_CHARS, ch)) {
- buf[nbuf++] = ch;
- } else {
- switch (ch) {
- case '@':
- state = JISX0208_1978; // Esc $ @
- break;
- case 'B':
- state = JISX0208_1983; // Esc $ B
- break;
- }
- nbuf = 0;
- esc = false;
- }
- } else {
- if (buf[0] == '(') {
- switch (ch) {
- case 'B':
- state = Ascii; // Esc (B
- break;
- case 'I':
- state = JISX0201_Kana; // Esc (I
- break;
- case 'J':
- state = JISX0201_Latin; // Esc (J
- break;
- }
- }
- nbuf = 0;
- esc = false;
- }
- break;
- case 2:
- if (buf[1] == '(') {
- switch (ch) {
- case 'D':
- state = JISX0212; // Esc $ (D
- break;
- }
- }
- nbuf = 0;
- esc = false;
- break;
- }
- } else {
- if (ch == Esc) {
- // Escape sequence
- nbuf = 0;
- esc = true;
- } else if (ch == So) {
- // Shift out
- prev = state;
- state = JISX0201_Kana;
- nbuf = 0;
- } else if (ch == Si) {
- // Shift in
- if (prev == Ascii || prev == JISX0201_Latin) {
- state = prev;
- } else {
- state = Ascii;
- }
- nbuf = 0;
- } else {
- uint u;
- switch (nbuf) {
- case 0:
- switch (state) {
- case Ascii:
- if (ch < 0x80) {
- result += QLatin1Char(ch);
- break;
- }
- /* fall through */
- case JISX0201_Latin:
- u = conv->jisx0201ToUnicode(ch);
- result += QValidChar(u);
- break;
- case JISX0201_Kana:
- u = conv->jisx0201ToUnicode(ch | 0x80);
- result += QValidChar(u);
- break;
- case JISX0208_1978:
- case JISX0208_1983:
- case JISX0212:
- buf[nbuf++] = ch;
- break;
- default:
- result += QChar::ReplacementCharacter;
- break;
- }
- break;
- case 1:
- switch (state) {
- case JISX0208_1978:
- case JISX0208_1983:
- u = conv->jisx0208ToUnicode(buf[0] & 0x7f, ch & 0x7f);
- result += QValidChar(u);
- break;
- case JISX0212:
- u = conv->jisx0212ToUnicode(buf[0] & 0x7f, ch & 0x7f);
- result += QValidChar(u);
- break;
- default:
- result += replacement;
- ++invalid;
- break;
- }
- nbuf = 0;
- break;
- }
- }
- }
- }
-
- if (cs) {
- cs->remainingChars = nbuf;
- cs->invalidChars += invalid;
- cs->state_data[0] = (buf[0] << 24) + (buf[1] << 16) + (buf[2] << 8) + buf[3];
- cs->state_data[1] = (prev << 8) + state;
- cs->state_data[2] = esc;
- }
-
- return result;
-}
-
-
-
-/*! \internal */
-int QJisCodec::_mibEnum()
-{
- return 39;
-}
-
-/*! \internal */
-QByteArray QJisCodec::_name()
-{
- return "ISO-2022-JP";
-}
-
-/*!
- Returns the codec's mime name.
-*/
-QList<QByteArray> QJisCodec::_aliases()
-{
- QList<QByteArray> list;
- list << "JIS7"; // Qt 3 compat
- return list;
-}
-
-#endif // QT_NO_TEXTCODEC
-
-QT_END_NAMESPACE