qbig5codec.cpp

qt-x11-opensource-src-4.1.4.tar.gz源码

/****************************************************************************
**
** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the plugins of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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 GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at [e-mail].
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#include "qbig5codec.h"

#ifndef QT_NO_TEXTCODEC
static int qt_Big5hkscsToUnicode(const uchar *s, uint *pwc);
static int qt_UnicodeToBig5hkscs(uint wc, uchar *r);

#define InRange(c, lower, upper)  (((c) >= (lower)) && ((c) <= (upper)))
#define IsLatin(c)        ((c) < 0x80)
#define IsFirstByte(c)        (InRange((c), 0x81, 0xFE))
#define IsSecondByteRange1(c)        (InRange((c), 0x40, 0x7E))
#define IsSecondByteRange2(c)        (InRange((c), 0xA1, 0xFE))
#define IsSecondByte(c)        (IsSecondByteRange1(c) || IsSecondByteRange2(c))

#define        QValidChar(u)        ((u) ? QChar((ushort)(u)) : QChar(QChar::ReplacementCharacter))


int QBig5Codec::_mibEnum()
{
    return 2026;
}

QByteArray QBig5Codec::_name()
{
    return "Big5";
}

struct B5Map {
    ushort x;
    ushort y;
};

static const B5Map b5_to_uc_map[] = {
    { 0xc6a1, 0xf6b1 },
    { 0xc6a2, 0xf6b2 },
    { 0xc6a3, 0xf6b3 },
    { 0xc6a4, 0xf6b4 },
    { 0xc6a5, 0xf6b5 },
    { 0xc6a6, 0xf6b6 },
    { 0xc6a7, 0xf6b7 },
    { 0xc6a8, 0xf6b8 },
    { 0xc6a9, 0xf6b9 },
    { 0xc6aa, 0xf6ba },
    { 0xc6ab, 0xf6bb },
    { 0xc6ac, 0xf6bc },
    { 0xc6ad, 0xf6bd },
    { 0xc6ae, 0xf6be },
    { 0xc6af, 0xf6bf },
    { 0xc6b0, 0xf6c0 },
    { 0xc6b1, 0xf6c1 },
    { 0xc6b2, 0xf6c2 },
    { 0xc6b3, 0xf6c3 },
    { 0xc6b4, 0xf6c4 },
    { 0xc6b5, 0xf6c5 },
    { 0xc6b6, 0xf6c6 },
    { 0xc6b7, 0xf6c7 },
    { 0xc6b8, 0xf6c8 },
    { 0xc6b9, 0xf6c9 },
    { 0xc6ba, 0xf6ca },
    { 0xc6bb, 0xf6cb },
    { 0xc6bc, 0xf6cc },
    { 0xc6bd, 0xf6cd },
    { 0xc6be, 0xf6ce },
    { 0xc6bf, 0xf6cf },
    { 0xc6c0, 0xf6d0 },
    { 0xc6c1, 0xf6d1 },
    { 0xc6c2, 0xf6d2 },
    { 0xc6c3, 0xf6d3 },
    { 0xc6c4, 0xf6d4 },
    { 0xc6c5, 0xf6d5 },
    { 0xc6c6, 0xf6d6 },
    { 0xc6c7, 0xf6d7 },
    { 0xc6c8, 0xf6d8 },
    { 0xc6c9, 0xf6d9 },
    { 0xc6ca, 0xf6da },
    { 0xc6cb, 0xf6db },
    { 0xc6cc, 0xf6dc },
    { 0xc6cd, 0xf6dd },
    { 0xc6ce, 0xf6de },
    { 0xc6d0, 0xf6e0 },
    { 0xc6d1, 0xf6e1 },
    { 0xc6d2, 0xf6e2 },
    { 0xc6d4, 0xf6e4 },
    { 0xc6d6, 0xf6e6 },
    { 0xc6d8, 0xf6e8 },
    { 0xc6d9, 0xf6e9 },
    { 0xc6da, 0xf6ea },
    { 0xc6db, 0xf6eb },
    { 0xc6dc, 0xf6ec },
    { 0xc6dd, 0xf6ed },
    { 0xc6e0, 0xf6f0 },
    { 0xc6e1, 0xf6f1 },
    { 0xc6e2, 0xf6f2 },
    { 0xc6e3, 0xf6f3 },
    { 0xc6e4, 0xf6f4 },
    { 0xc6e5, 0xf6f5 },
    { 0xc6e6, 0xf6f6 },
    { 0xc6e7, 0xf6f7 },
    { 0xc6e8, 0xf6f8 },
    { 0xc6e9, 0xf6f9 },
    { 0xc6ea, 0xf6fa },
    { 0xc6eb, 0xf6fb },
    { 0xc6ec, 0xf6fc },
    { 0xc6ed, 0xf6fd },
    { 0xc6ee, 0xf6fe },
    { 0xc6ef, 0xf6ff },
    { 0xc6f0, 0xf700 },
    { 0xc6f1, 0xf701 },
    { 0xc6f2, 0xf702 },
    { 0xc6f3, 0xf703 },
    { 0xc6f4, 0xf704 },
    { 0xc6f5, 0xf705 },
    { 0xc6f6, 0xf706 },
    { 0xc6f7, 0xf707 },
    { 0xc6f8, 0xf708 },
    { 0xc6f9, 0xf709 },
    { 0xc6fa, 0xf70a },
    { 0xc6fb, 0xf70b },
    { 0xc6fc, 0xf70c },
    { 0xc6fd, 0xf70d },
    { 0xc6fe, 0xf70e },
    { 0xc740, 0xf70f },
    { 0xc741, 0xf710 },
    { 0xc742, 0xf711 },
    { 0xc743, 0xf712 },
    { 0xc744, 0xf713 },
    { 0xc745, 0xf714 },
    { 0xc746, 0xf715 },
    { 0xc747, 0xf716 },
    { 0xc748, 0xf717 },
    { 0xc749, 0xf718 },
    { 0xc74a, 0xf719 },
    { 0xc74b, 0xf71a },
    { 0xc74c, 0xf71b },
    { 0xc74d, 0xf71c },
    { 0xc74e, 0xf71d },
    { 0xc74f, 0xf71e },
    { 0xc750, 0xf71f },
    { 0xc751, 0xf720 },
    { 0xc752, 0xf721 },
    { 0xc753, 0xf722 },
    { 0xc754, 0xf723 },
    { 0xc755, 0xf724 },
    { 0xc756, 0xf725 },
    { 0xc757, 0xf726 },
    { 0xc758, 0xf727 },
    { 0xc759, 0xf728 },
    { 0xc75a, 0xf729 },
    { 0xc75b, 0xf72a },
    { 0xc75c, 0xf72b },
    { 0xc75d, 0xf72c },
    { 0xc75e, 0xf72d },
    { 0xc75f, 0xf72e },
    { 0xc760, 0xf72f },
    { 0xc761, 0xf730 },
    { 0xc762, 0xf731 },
    { 0xc763, 0xf732 },
    { 0xc764, 0xf733 },
    { 0xc765, 0xf734 },
    { 0xc766, 0xf735 },
    { 0xc767, 0xf736 },
    { 0xc768, 0xf737 },
    { 0xc769, 0xf738 },
    { 0xc76a, 0xf739 },
    { 0xc76b, 0xf73a },
    { 0xc76c, 0xf73b },
    { 0xc76d, 0xf73c },
    { 0xc76e, 0xf73d },
    { 0xc76f, 0xf73e },
    { 0xc770, 0xf73f },
    { 0xc771, 0xf740 },
    { 0xc772, 0xf741 },
    { 0xc773, 0xf742 },
    { 0xc774, 0xf743 },
    { 0xc775, 0xf744 },
    { 0xc776, 0xf745 },
    { 0xc777, 0xf746 },
    { 0xc778, 0xf747 },
    { 0xc779, 0xf748 },
    { 0xc77a, 0xf749 },
    { 0xc77b, 0xf74a },
    { 0xc77c, 0xf74b },
    { 0xc77d, 0xf74c },
    { 0xc77e, 0xf74d },
    { 0xc7a1, 0xf74e },
    { 0xc7a2, 0xf74f },
    { 0xc7a3, 0xf750 },
    { 0xc7a4, 0xf751 },
    { 0xc7a5, 0xf752 },
    { 0xc7a6, 0xf753 },
    { 0xc7a7, 0xf754 },
    { 0xc7a8, 0xf755 },
    { 0xc7a9, 0xf756 },
    { 0xc7aa, 0xf757 },
    { 0xc7ab, 0xf758 },
    { 0xc7ac, 0xf759 },
    { 0xc7ad, 0xf75a },
    { 0xc7ae, 0xf75b },
    { 0xc7af, 0xf75c },
    { 0xc7b0, 0xf75d },
    { 0xc7b1, 0xf75e },
    { 0xc7b2, 0xf75f },
    { 0xc7b3, 0xf760 },
    { 0xc7b4, 0xf761 },
    { 0xc7b5, 0xf762 },
    { 0xc7b6, 0xf763 },
    { 0xc7b7, 0xf764 },
    { 0xc7b8, 0xf765 },
    { 0xc7b9, 0xf766 },
    { 0xc7ba, 0xf767 },
    { 0xc7bb, 0xf768 },
    { 0xc7bc, 0xf769 },
    { 0xc7bd, 0xf76a },
    { 0xc7be, 0xf76b },
    { 0xc7bf, 0xf76c },
    { 0xc7c0, 0xf76d },
    { 0xc7c1, 0xf76e },
    { 0xc7c2, 0xf76f },
    { 0xc7c3, 0xf770 },
    { 0xc7c4, 0xf771 },
    { 0xc7c5, 0xf772 },
    { 0xc7c6, 0xf773 },
    { 0xc7c7, 0xf774 },
    { 0xc7c8, 0xf775 },
    { 0xc7c9, 0xf776 },
    { 0xc7ca, 0xf777 },
    { 0xc7cb, 0xf778 },
    { 0xc7cc, 0xf779 },
    { 0xc7cd, 0xf77a },
    { 0xc7ce, 0xf77b },
    { 0xc7cf, 0xf77c },
    { 0xc7d0, 0xf77d },
    { 0xc7d1, 0xf77e },
    { 0xc7d2, 0xf77f },
    { 0xc7d3, 0xf780 },
    { 0xc7d4, 0xf781 },
    { 0xc7d5, 0xf782 },
    { 0xc7d6, 0xf783 },
    { 0xc7d7, 0xf784 },
    { 0xc7d8, 0xf785 },
    { 0xc7d9, 0xf786 },
    { 0xc7da, 0xf787 },
    { 0xc7db, 0xf788 },
    { 0xc7dc, 0xf789 },
    { 0xc7dd, 0xf78a },
    { 0xc7de, 0xf78b },
    { 0xc7df, 0xf78c },
    { 0xc7e0, 0xf78d },
    { 0xc7e1, 0xf78e },
    { 0xc7e2, 0xf78f },
    { 0xc7e3, 0xf790 },
    { 0xc7e4, 0xf791 },
    { 0xc7e5, 0xf792 },
    { 0xc7e6, 0xf793 },
    { 0xc7e7, 0xf794 },
    { 0xc7e8, 0xf795 },
    { 0xc7e9, 0xf796 },
    { 0xc7ea, 0xf797 },
    { 0xc7eb, 0xf798 },
    { 0xc7ec, 0xf799 },
    { 0xc7ed, 0xf79a },
    { 0xc7ee, 0xf79b },
    { 0xc7ef, 0xf79c },
    { 0xc7f0, 0xf79d },
    { 0xc7f1, 0xf79e },
    { 0xc7f2, 0xf79f },
    { 0xc7f3, 0xf7a0 },
    { 0xc7f4, 0xf7a1 },
    { 0xc7f5, 0xf7a2 },
    { 0xc7f6, 0xf7a3 },
    { 0xc7f7, 0xf7a4 },
    { 0xc7f8, 0xf7a5 },
    { 0xc7f9, 0xf7a6 },
    { 0xc7fa, 0xf7a7 },
    { 0xc7fb, 0xf7a8 },
    { 0xc7fc, 0xf7a9 },
    { 0xc7fd, 0xf7aa },
    { 0xc7fe, 0xf7ab },
    { 0xc840, 0xf7ac },
    { 0xc841, 0xf7ad },
    { 0xc842, 0xf7ae },