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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:critical reason:data-parser
++
++ // 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 QSjisCodec
++ \inmodule QtCore5Compat
++ \reentrant
++ \internal
++ */
++
++ #include "qsjiscodec_p.h"
++ #include "qlist.h"
++
++ QT_BEGIN_NAMESPACE
++
++ /*!
++ Creates a Shift-JIS codec. Note that this is done automatically by
++ the QApplication, you do not need construct your own.
++ */
++ QSjisCodec::QSjisCodec() : conv(QJpUnicodeConv::newConverter(QJpUnicodeConv::Default))
++ {
++ }
++
++
++ /*!
++ Destroys the Shift-JIS codec.
++ */
++ QSjisCodec::~QSjisCodec()
++ {
++ delete (const QJpUnicodeConv*)conv;
++ conv = 0;
++ }
++
++
++ QByteArray QSjisCodec::convertFromUnicode(const QChar *uc, int len, ConverterState *state) const
++ {
++ char replacement = '?';
++ if (state) {
++ if (state->flags & ConvertInvalidToNull)
++ replacement = 0;
++ }
++ int invalid = 0;
++
++ int rlen = 2*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.row() == 0x00 && ch.cell() < 0x80) {
++ // ASCII
++ *cursor++ = ch.cell();
++ } else if ((j = conv->unicodeToJisx0201(ch.row(), ch.cell())) != 0) {
++ // JIS X 0201 Latin or JIS X 0201 Kana
++ *cursor++ = j;
++ } else if ((j = conv->unicodeToSjis(ch.row(), ch.cell())) != 0) {
++ // JIS X 0208
++ *cursor++ = (j >> 8);
++ *cursor++ = (j & 0xff);
++ } else if ((j = conv->unicodeToSjisibmvdc(ch.row(), ch.cell())) != 0) {
++ // JIS X 0208 IBM VDC
++ *cursor++ = (j >> 8);
++ *cursor++ = (j & 0xff);
++ } else if ((j = conv->unicodeToCp932(ch.row(), ch.cell())) != 0) {
++ // CP932 (for lead bytes 87, ee & ed)
++ *cursor++ = (j >> 8);
++ *cursor++ = (j & 0xff);
++ } else if ((j = conv->unicodeToJisx0212(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++ = replacement;
++ ++invalid;
++ }
++ }
++ rstr.resize(cursor - (const uchar*)rstr.constData());
++
++ if (state) {
++ state->invalidChars += invalid;
++ }
++ return rstr;
++ }
++
++ QString QSjisCodec::convertToUnicode(const char* chars, int len, ConverterState *state) const
++ {
++ uchar buf[1] = {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];
++ }
++ int invalid = 0;
++ uint u= 0;
++ QString result;
++ for (int i=0; i<len; i++) {
++ uchar ch = chars[i];
++ switch (nbuf) {
++ case 0:
++ if (ch < 0x80) {
++ result += QValidChar(ch);
++ } else if (IsKana(ch)) {
++ // JIS X 0201 Latin or JIS X 0201 Kana
++ u = conv->jisx0201ToUnicode(ch);
++ result += QValidChar(u);
++ } else if (IsSjisChar1(ch)) {
++ // JIS X 0208
++ buf[0] = ch;
++ nbuf = 1;
++ } else {
++ // Invalid
++ result += replacement;
++ ++invalid;
++ }
++ break;
++ case 1:
++ // JIS X 0208
++ if (IsSjisChar2(ch)) {
++ if ((u = conv->sjisibmvdcToUnicode(buf[0], ch))) {
++ result += QValidChar(u);
++ } else if ((u = conv->cp932ToUnicode(buf[0], ch))) {
++ result += QValidChar(u);
++ }
++ else if (IsUserDefinedChar1(buf[0])) {
++ result += QChar::ReplacementCharacter;
++ } else {
++ u = conv->sjisToUnicode(buf[0], ch);
++ result += QValidChar(u);
++ }
++ } else {
++ // Invalid
++ result += replacement;
++ ++invalid;
++ }
++ nbuf = 0;
++ break;
++ }
++ }
++
++ if (state) {
++ state->remainingChars = nbuf;
++ state->state_data[0] = buf[0];
++ state->invalidChars += invalid;
++ }
++ return result;
++ }
++
++
++ int QSjisCodec::_mibEnum()
++ {
++ return 17;
++ }
++
++ QByteArray QSjisCodec::_name()
++ {
++ return "Shift_JIS";
++ }
++
++ /*!
++ Returns the codec's mime name.
++ */
++ QList<QByteArray> QSjisCodec::_aliases()
++ {
++ QList<QByteArray> list;
++ list << "SJIS" // Qt 3 compat
++ << "MS_Kanji";
++ return list;
++ }
++
++ QT_END_NAMESPACE