/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the utils of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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#include <qtextcodec.h>+
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#include <qbytearray.h>+
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#include <qstring.h>+
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#include <qdebug.h>+
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#include <qfile.h>+
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#include <qcoreapplication.h>+
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#include <qset.h>+
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+
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struct Map { Map(uint u,  uint b) : uc(u),  b5(b) {} uint uc; uint b5; };+
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+
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int main(int argc, char **argv)+
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{+
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    QCoreApplication app(argc, argv);+
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    QTextCodec *big5 = QTextCodec::codecForName("Big5-hkscs");+
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+
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#if 0+
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    QFile f("/home/lars/dev/qt-4.0/util/unicode/data/big5-eten.txt");+
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    f.open(QFile::ReadOnly);+
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+
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    while (!f.atEnd()) {+
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        QByteArray line = f.readLine();+
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        if (line.startsWith("#"))+
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            continue;+
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        line.replace("0x", "");+
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        line.replace("U+", "");+
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        line.replace("\t", " ");+
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        line = line.simplified();+
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        QList<QByteArray> split = line.split(' ');+
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        bool ok;+
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        int b5 = split.at(0).toInt(&ok, 16);+
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        Q_ASSERT(ok);+
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        int uc = split.at(1).toInt(&ok, 16);+
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        Q_ASSERT(ok);+
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        if (b5 < 0x100)+
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            continue;+
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#else+
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    QFile f(":/BIG5");+
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    f.open(QFile::ReadOnly);+
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+
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    while (!f.atEnd()) {+
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        QByteArray line = f.readLine();+
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        if (line.startsWith("CHARMAP"))+
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            break;+
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    }+
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    QSet<uint> b5_ok;+
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    QSet<uint> uc_ok;+
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    QList<Map> b5_to_uc_map;+
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    QList<Map> uc_to_b5_map;+
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    while (!f.atEnd()) {+
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        QByteArray line = f.readLine();+
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        if (line.startsWith("%"))+
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            continue;+
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        if (line.startsWith("END CHARMAP"))+
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            break;+
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        line.replace("/x", "");+
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        line.replace("<U", "");+
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        line.replace(">", "");+
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        line.replace("\t", " ");+
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        line = line.simplified();+
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        QList<QByteArray> split = line.split(' ');+
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        bool ok;+
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        int b5 = split.at(1).toInt(&ok, 16);+
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        Q_ASSERT(ok);+
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        int uc = split.at(0).toInt(&ok, 16);+
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        Q_ASSERT(ok);+
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        if (b5 < 0x100 || uc > 0xffff)+
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            continue;+
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#endif+
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+
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//         qDebug() << hex << "testing: '" << b5 << "' - '" << uc << "'";+
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        QByteArray ba;+
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+
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        ba += (char)(uchar)(b5 >> 8);+
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        ba += (char)(uchar)(b5 & 0xff);+
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+
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        QString s = big5->toUnicode(ba);+
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        Q_ASSERT(s.length() == 1);+
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        QString s2;+
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        s2 = QChar(uc);+
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        ba = big5->fromUnicode(s2);+
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        Q_ASSERT(ba.length() <= 2);+
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        int round;+
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        if (ba.length() == 1)+
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            round = (int)(uchar)ba[0];+
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        else+
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            round = ((int)(uchar)ba[0] << 8) + (int)(uchar)ba[1];+
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        if (b5 != round)+
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            uc_to_b5_map += Map(uc, b5);+
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        else+
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            b5_ok.insert(b5);+
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+
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        if (s[0].unicode() != uc)+
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            b5_to_uc_map += Map(uc, b5);+
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        else+
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            uc_ok.insert(uc);+
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    };+
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+
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    QList<QByteArray> list;+
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    foreach(Map m, b5_to_uc_map) {+
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        if (!uc_ok.contains(m.b5))+
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            list += QByteArray("    { 0x" + QByteArray::number(m.b5, 16) + ", 0x" + QByteArray::number(m.uc, 16) + " }\n");;+
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    }+
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    QByteArray ba;+
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    qSort(list);+
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    foreach(QByteArray a, list)+
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        ba += a;+
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    qDebug() << "struct B5Map b5_to_uc_map = {\n" << ba + "\n};";+
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+
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    list = QList<QByteArray>();+
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    foreach(Map m, uc_to_b5_map)+
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        if (!b5_ok.contains(m.uc))+
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            list += QByteArray("    { 0x" + QByteArray::number(m.uc, 16) + ", 0x" + QByteArray::number(m.b5, 16) + " }\n");;+
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    ba = QByteArray();+
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    qSort(list);+
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    foreach(QByteArray a, list)+
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        ba += a;+
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    qDebug() << "struct B5Map uc_to_b5_map = {\n" << ba + "\n};";+
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}+
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