summaryrefslogtreecommitdiffstats
path: root/util/unicode/codecs/big5/main.cpp
blob: e90efff313d46d222d0f31c2d47c8f1a58f8dc6a (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
/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the utils of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
****************************************************************************/
#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;
    std::sort(list.begin(), list.end());
    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();
    std::sort(list.begin(), list.end());;
    foreach(QByteArray a, list)
        ba += a;
    qDebug() << "struct B5Map uc_to_b5_map = {\n" << ba + "\n};";
}