summaryrefslogtreecommitdiffstats
path: root/util/unicode/codecs/big5/main.cpp
blob: b47ba462a7d2986ac3080934c443e4ecde199caf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the utils 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <qtextcodec.h>
#include <qbytearray.h>
#include <qstring.h>
#include <qdebug.h>
#include <qfile.h>
#include <qcoreapplication.h>
#include <qset.h>

struct Map { Map(uint u,  uint b) : uc(u),  b5(b) {} uint uc; uint b5; };

int main(int argc, char **argv)
{
    QCoreApplication app(argc, argv);
    QTextCodec *big5 = QTextCodec::codecForName("Big5-hkscs");

#if 0
    QFile f("/home/lars/dev/qt-4.0/util/unicode/data/big5-eten.txt");
    f.open(QFile::ReadOnly);

    while (!f.atEnd()) {
        QByteArray line = f.readLine();
        if (line.startsWith("#"))
            continue;
        line.replace("0x", "");
        line.replace("U+", "");
        line.replace("\t", " ");
        line = line.simplified();
        QList<QByteArray> split = line.split(' ');
        bool ok;
        int b5 = split.at(0).toInt(&ok, 16);
        Q_ASSERT(ok);
        int uc = split.at(1).toInt(&ok, 16);
        Q_ASSERT(ok);
        if (b5 < 0x100)
            continue;
#else
    QFile f(":/BIG5");
    f.open(QFile::ReadOnly);

    while (!f.atEnd()) {
        QByteArray line = f.readLine();
        if (line.startsWith("CHARMAP"))
            break;
    }
    QSet<uint> b5_ok;
    QSet<uint> uc_ok;
    QList<Map> b5_to_uc_map;
    QList<Map> uc_to_b5_map;
    while (!f.atEnd()) {
        QByteArray line = f.readLine();
        if (line.startsWith("%"))
            continue;
        if (line.startsWith("END CHARMAP"))
            break;
        line.replace("/x", "");
        line.replace("<U", "");
        line.replace(">", "");
        line.replace("\t", " ");
        line = line.simplified();
        QList<QByteArray> split = line.split(' ');
        bool ok;
        int b5 = split.at(1).toInt(&ok, 16);
        Q_ASSERT(ok);
        int uc = split.at(0).toInt(&ok, 16);
        Q_ASSERT(ok);
        if (b5 < 0x100 || uc > 0xffff)
            continue;
#endif

//         qDebug() << hex << "testing: '" << b5 << "' - '" << uc << "'";
        QByteArray ba;

        ba += (char)(uchar)(b5 >> 8);
        ba += (char)(uchar)(b5 & 0xff);

        QString s = big5->toUnicode(ba);
        Q_ASSERT(s.length() == 1);
        QString s2;
        s2 = QChar(uc);
        ba = big5->fromUnicode(s2);
        Q_ASSERT(ba.length() <= 2);
        int round;
        if (ba.length() == 1)
            round = (int)(uchar)ba[0];
        else
            round = ((int)(uchar)ba[0] << 8) + (int)(uchar)ba[1];
        if (b5 != round)
            uc_to_b5_map += Map(uc, b5);
        else
            b5_ok.insert(b5);

        if (s[0].unicode() != uc)
            b5_to_uc_map += Map(uc, b5);
        else
            uc_ok.insert(uc);
    };

    QList<QByteArray> list;
    foreach(Map m, b5_to_uc_map) {
        if (!uc_ok.contains(m.b5))
            list += QByteArray("    { 0x" + QByteArray::number(m.b5, 16) + ", 0x" + QByteArray::number(m.uc, 16) + " }\n");;
    }
    QByteArray ba;
    qSort(list);
    foreach(QByteArray a, list)
        ba += a;
    qDebug() << "struct B5Map b5_to_uc_map = {\n" << ba + "\n};";

    list = QList<QByteArray>();
    foreach(Map m, uc_to_b5_map)
        if (!b5_ok.contains(m.uc))
            list += QByteArray("    { 0x" + QByteArray::number(m.uc, 16) + ", 0x" + QByteArray::number(m.b5, 16) + " }\n");;
    ba = QByteArray();
    qSort(list);
    foreach(QByteArray a, list)
        ba += a;
    qDebug() << "struct B5Map uc_to_b5_map = {\n" << ba + "\n};";
}