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Diffstat (limited to 'src/corelib/codecs/qtsciicodec.cpp')
-rw-r--r-- | src/corelib/codecs/qtsciicodec.cpp | 493 |
1 files changed, 0 insertions, 493 deletions
diff --git a/src/corelib/codecs/qtsciicodec.cpp b/src/corelib/codecs/qtsciicodec.cpp deleted file mode 100644 index 936fc4206d..0000000000 --- a/src/corelib/codecs/qtsciicodec.cpp +++ /dev/null @@ -1,493 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -// Most of the code here was originally written by Hans Petter Bieker, -// and is included in Qt with the author's permission, and the grateful -// thanks of the Qt team. - -#include "qtsciicodec_p.h" -#include "qlist.h" - -QT_BEGIN_NAMESPACE - -static unsigned char qt_UnicodeToTSCII(ushort u1, ushort u2, ushort u3); -static unsigned int qt_TSCIIToUnicode(unsigned int code, uint *s); - -#define IsTSCIIChar(c) (((c) >= 0x80) && ((c) <= 0xfd)) - -/*! \class QTsciiCodec - \inmodule QtCore - \reentrant - \internal -*/ - -/*! - Destroys the text codec object. -*/ -QTsciiCodec::~QTsciiCodec() -{ -} - -/*! - Converts the first \a len characters in \a uc from Unicode to this - encoding, and returns the result in a byte array. The \a state contains - some conversion flags, and is used by the codec to maintain state - information. -*/ -QByteArray QTsciiCodec::convertFromUnicode(const QChar *uc, int len, ConverterState *state) const -{ - char replacement = '?'; - if (state) { - if (state->flags & ConvertInvalidToNull) - replacement = 0; - } - int invalid = 0; - - QByteArray rstr(len, Qt::Uninitialized); - uchar* cursor = (uchar*)rstr.data(); - for (int i = 0; i < len; i++) { - QChar ch = uc[i]; - uchar j; - if (ch.row() == 0x00 && ch.cell() < 0x80) { - // ASCII - j = ch.cell(); - } else if ((j = qt_UnicodeToTSCII(uc[i].unicode(), - uc[i + 1].unicode(), - uc[i + 2].unicode()))) { - // We have to check the combined chars first! - i += 2; - } else if ((j = qt_UnicodeToTSCII(uc[i].unicode(), - uc[i + 1].unicode(), 0))) { - i++; - } else if ((j = qt_UnicodeToTSCII(uc[i].unicode(), 0, 0))) { - } else { - // Error - j = replacement; - ++invalid; - } - *cursor++ = j; - } - rstr.resize(cursor - (const uchar*)rstr.constData()); - - if (state) { - state->invalidChars += invalid; - } - return rstr; -} - -/*! - Converts the first \a len characters in \a chars from this encoding - to Unicode, and returns the result in a QString. The \a state contains - some conversion flags, and is used by the codec to maintain state - information. -*/ -QString QTsciiCodec::convertToUnicode(const char* chars, int len, ConverterState *state) const -{ - QChar replacement = QChar::ReplacementCharacter; - if (state) { - if (state->flags & ConvertInvalidToNull) - replacement = QChar::Null; - } - int invalid = 0; - - QString result; - for (int i = 0; i < len; i++) { - uchar ch = chars[i]; - if (ch < 0x80) { - // ASCII - result += QLatin1Char(ch); - } else if (IsTSCIIChar(ch)) { - // TSCII - uint s[3]; - uint u = qt_TSCIIToUnicode(ch, s); - uint *p = s; - while (u--) { - uint c = *p++; - if (c) - result += QChar(c); - else { - result += replacement; - ++invalid; - } - } - } else { - // Invalid - result += replacement; - ++invalid; - } - } - - if (state) { - state->invalidChars += invalid; - } - return result; -} - -/*! - Returns the official name for the encoding that is handled by the codec. - - \sa QTextCodec::name() -*/ -QByteArray QTsciiCodec::name() const -{ - return "TSCII"; -} - -/*! - Returns the MIB enum for the encoding. - - \sa QTextCodec::mibEnum() -*/ -int QTsciiCodec::mibEnum() const -{ - return 2107; -} - -static const int UnToTsLast = 124; // 125 items -- so the last will be 124 -static const ushort UnToTs [][4] = { - // *Sorted* list of TSCII maping for unicode chars - //FIRST SECOND THIRD TSCII - {0x00A0, 0x0000, 0x0000, 0xA0}, - {0x00A9, 0x0000, 0x0000, 0xA9}, - {0x0B83, 0x0000, 0x0000, 0xB7}, - {0x0B85, 0x0000, 0x0000, 0xAB}, - {0x0B86, 0x0000, 0x0000, 0xAC}, - {0x0B87, 0x0000, 0x0000, 0xAD}, - {0x0B88, 0x0000, 0x0000, 0xAE}, - {0x0B89, 0x0000, 0x0000, 0xAF}, - {0x0B8A, 0x0000, 0x0000, 0xB0}, - {0x0B8E, 0x0000, 0x0000, 0xB1}, - {0x0B8F, 0x0000, 0x0000, 0xB2}, - {0x0B90, 0x0000, 0x0000, 0xB3}, - {0x0B92, 0x0000, 0x0000, 0xB4}, - {0x0B93, 0x0000, 0x0000, 0xB5}, - {0x0B94, 0x0000, 0x0000, 0xB6}, - {0x0B95, 0x0000, 0x0000, 0xB8}, - {0x0B95, 0x0B82, 0x0000, 0xEC}, - {0x0B95, 0x0BC1, 0x0000, 0xCC}, - {0x0B95, 0x0BC2, 0x0000, 0xDC}, - {0x0B99, 0x0000, 0x0000, 0xB9}, - {0x0B99, 0x0B82, 0x0000, 0xED}, - {0x0B99, 0x0BC1, 0x0000, 0x99}, - {0x0B99, 0x0BC2, 0x0000, 0x9B}, - {0x0B9A, 0x0000, 0x0000, 0xBA}, - {0x0B9A, 0x0B82, 0x0000, 0xEE}, - {0x0B9A, 0x0BC1, 0x0000, 0xCD}, - {0x0B9A, 0x0BC2, 0x0000, 0xDD}, - {0x0B9C, 0x0000, 0x0000, 0x83}, - {0x0B9C, 0x0B82, 0x0000, 0x88}, - {0x0B9E, 0x0000, 0x0000, 0xBB}, - {0x0B9E, 0x0B82, 0x0000, 0xEF}, - {0x0B9E, 0x0BC1, 0x0000, 0x9A}, - {0x0B9E, 0x0BC2, 0x0000, 0x9C}, - {0x0B9F, 0x0000, 0x0000, 0xBC}, - {0x0B9F, 0x0B82, 0x0000, 0xF0}, - {0x0B9F, 0x0BBF, 0x0000, 0xCA}, - {0x0B9F, 0x0BC0, 0x0000, 0xCB}, - {0x0B9F, 0x0BC1, 0x0000, 0xCE}, - {0x0B9F, 0x0BC2, 0x0000, 0xDE}, - {0x0BA1, 0x0B82, 0x0000, 0xF2}, - {0x0BA3, 0x0000, 0x0000, 0xBD}, - {0x0BA3, 0x0B82, 0x0000, 0xF1}, - {0x0BA3, 0x0BC1, 0x0000, 0xCF}, - {0x0BA3, 0x0BC2, 0x0000, 0xDF}, - {0x0BA4, 0x0000, 0x0000, 0xBE}, - {0x0BA4, 0x0BC1, 0x0000, 0xD0}, - {0x0BA4, 0x0BC2, 0x0000, 0xE0}, - {0x0BA8, 0x0000, 0x0000, 0xBF}, - {0x0BA8, 0x0B82, 0x0000, 0xF3}, - {0x0BA8, 0x0BC1, 0x0000, 0xD1}, - {0x0BA8, 0x0BC2, 0x0000, 0xE1}, - {0x0BA9, 0x0000, 0x0000, 0xC9}, - {0x0BA9, 0x0B82, 0x0000, 0xFD}, - {0x0BA9, 0x0BC1, 0x0000, 0xDB}, - {0x0BA9, 0x0BC2, 0x0000, 0xEB}, - {0x0BAA, 0x0000, 0x0000, 0xC0}, - {0x0BAA, 0x0B82, 0x0000, 0xF4}, - {0x0BAA, 0x0BC1, 0x0000, 0xD2}, - {0x0BAA, 0x0BC2, 0x0000, 0xE2}, - {0x0BAE, 0x0000, 0x0000, 0xC1}, - {0x0BAE, 0x0B82, 0x0000, 0xF5}, - {0x0BAE, 0x0BC1, 0x0000, 0xD3}, - {0x0BAE, 0x0BC2, 0x0000, 0xE3}, - {0x0BAF, 0x0000, 0x0000, 0xC2}, - {0x0BAF, 0x0B82, 0x0000, 0xF6}, - {0x0BAF, 0x0BC1, 0x0000, 0xD4}, - {0x0BAF, 0x0BC2, 0x0000, 0xE4}, - {0x0BB0, 0x0000, 0x0000, 0xC3}, - {0x0BB0, 0x0B82, 0x0000, 0xF7}, - {0x0BB0, 0x0BC1, 0x0000, 0xD5}, - {0x0BB0, 0x0BC2, 0x0000, 0xE5}, - {0x0BB1, 0x0000, 0x0000, 0xC8}, - {0x0BB1, 0x0B82, 0x0000, 0xFC}, - {0x0BB1, 0x0BC1, 0x0000, 0xDA}, - {0x0BB1, 0x0BC2, 0x0000, 0xEA}, - {0x0BB2, 0x0000, 0x0000, 0xC4}, - {0x0BB2, 0x0B82, 0x0000, 0xF8}, - {0x0BB2, 0x0BC1, 0x0000, 0xD6}, - {0x0BB2, 0x0BC2, 0x0000, 0xE6}, - {0x0BB3, 0x0000, 0x0000, 0xC7}, - {0x0BB3, 0x0B82, 0x0000, 0xFB}, - {0x0BB3, 0x0BC1, 0x0000, 0xD9}, - {0x0BB3, 0x0BC2, 0x0000, 0xE9}, - {0x0BB4, 0x0000, 0x0000, 0xC6}, - {0x0BB4, 0x0B82, 0x0000, 0xFA}, - {0x0BB4, 0x0BC1, 0x0000, 0xD8}, - {0x0BB4, 0x0BC2, 0x0000, 0xE8}, - {0x0BB5, 0x0000, 0x0000, 0xC5}, - {0x0BB5, 0x0B82, 0x0000, 0xF9}, - {0x0BB5, 0x0BC1, 0x0000, 0xD7}, - {0x0BB5, 0x0BC2, 0x0000, 0xE7}, - {0x0BB7, 0x0000, 0x0000, 0x84}, - {0x0BB7, 0x0B82, 0x0000, 0x89}, - {0x0BB8, 0x0000, 0x0000, 0x85}, - {0x0BB8, 0x0B82, 0x0000, 0x8A}, - {0x0BB9, 0x0000, 0x0000, 0x86}, - {0x0BB9, 0x0B82, 0x0000, 0x8B}, - {0x0BBE, 0x0000, 0x0000, 0xA1}, - {0x0BBF, 0x0000, 0x0000, 0xA2}, - {0x0BC0, 0x0000, 0x0000, 0xA3}, - {0x0BC1, 0x0000, 0x0000, 0xA4}, - {0x0BC2, 0x0000, 0x0000, 0xA5}, - {0x0BC6, 0x0000, 0x0000, 0xA6}, - {0x0BC7, 0x0000, 0x0000, 0xA7}, - {0x0BC8, 0x0000, 0x0000, 0xA8}, - {0x0BCC, 0x0000, 0x0000, 0xAA}, - {0x0BE6, 0x0000, 0x0000, 0x80}, - {0x0BE7, 0x0000, 0x0000, 0x81}, - {0x0BE7, 0x0BB7, 0x0000, 0x87}, - {0x0BE7, 0x0BB7, 0x0B82, 0x8C}, - {0x0BE8, 0x0000, 0x0000, 0x8D}, - {0x0BE9, 0x0000, 0x0000, 0x8E}, - {0x0BEA, 0x0000, 0x0000, 0x8F}, - {0x0BEB, 0x0000, 0x0000, 0x90}, - {0x0BEC, 0x0000, 0x0000, 0x95}, - {0x0BED, 0x0000, 0x0000, 0x96}, - {0x0BEE, 0x0000, 0x0000, 0x97}, - {0x0BEF, 0x0000, 0x0000, 0x98}, - {0x0BF0, 0x0000, 0x0000, 0x9D}, - {0x0BF1, 0x0000, 0x0000, 0x9E}, - {0x0BF2, 0x0000, 0x0000, 0x9F}, - {0x2018, 0x0000, 0x0000, 0x91}, - {0x2019, 0x0000, 0x0000, 0x92}, - {0x201C, 0x0000, 0x0000, 0x93}, - {0x201C, 0x0000, 0x0000, 0x94} -}; - -static const ushort TsToUn [][3] = { - // Starting at 0x80 - {0x0BE6, 0x0000, 0x0000}, - {0x0BE7, 0x0000, 0x0000}, - {0x0000, 0x0000, 0x0000}, // unknown - {0x0B9C, 0x0000, 0x0000}, - {0x0BB7, 0x0000, 0x0000}, - {0x0BB8, 0x0000, 0x0000}, - {0x0BB9, 0x0000, 0x0000}, - {0x0BE7, 0x0BB7, 0x0000}, - {0x0B9C, 0x0B82, 0x0000}, - {0x0BB7, 0x0B82, 0x0000}, - {0x0BB8, 0x0B82, 0x0000}, - {0x0BB9, 0x0B82, 0x0000}, - {0x0BE7, 0x0BB7, 0x0B82}, - {0x0BE8, 0x0000, 0x0000}, - {0x0BE9, 0x0000, 0x0000}, - {0x0BEA, 0x0000, 0x0000}, - {0x0BEB, 0x0000, 0x0000}, - {0x2018, 0x0000, 0x0000}, - {0x2019, 0x0000, 0x0000}, - {0x201C, 0x0000, 0x0000}, - {0x201C, 0x0000, 0x0000}, // two of the same?? - {0x0BEC, 0x0000, 0x0000}, - {0x0BED, 0x0000, 0x0000}, - {0x0BEE, 0x0000, 0x0000}, - {0x0BEF, 0x0000, 0x0000}, - {0x0B99, 0x0BC1, 0x0000}, - {0x0B9E, 0x0BC1, 0x0000}, - {0x0B99, 0x0BC2, 0x0000}, - {0x0B9E, 0x0BC2, 0x0000}, - {0x0BF0, 0x0000, 0x0000}, - {0x0BF1, 0x0000, 0x0000}, - {0x0BF2, 0x0000, 0x0000}, - {0x00A0, 0x0000, 0x0000}, - {0x0BBE, 0x0000, 0x0000}, - {0x0BBF, 0x0000, 0x0000}, - {0x0BC0, 0x0000, 0x0000}, - {0x0BC1, 0x0000, 0x0000}, - {0x0BC2, 0x0000, 0x0000}, - {0x0BC6, 0x0000, 0x0000}, - {0x0BC7, 0x0000, 0x0000}, - {0x0BC8, 0x0000, 0x0000}, - {0x00A9, 0x0000, 0x0000}, - {0x0BCC, 0x0000, 0x0000}, - {0x0B85, 0x0000, 0x0000}, - {0x0B86, 0x0000, 0x0000}, - {0x0B87, 0x0000, 0x0000}, - {0x0B88, 0x0000, 0x0000}, - {0x0B89, 0x0000, 0x0000}, - {0x0B8A, 0x0000, 0x0000}, - {0x0B8E, 0x0000, 0x0000}, - {0x0B8F, 0x0000, 0x0000}, - {0x0B90, 0x0000, 0x0000}, - {0x0B92, 0x0000, 0x0000}, - {0x0B93, 0x0000, 0x0000}, - {0x0B94, 0x0000, 0x0000}, - {0x0B83, 0x0000, 0x0000}, - {0x0B95, 0x0000, 0x0000}, - {0x0B99, 0x0000, 0x0000}, - {0x0B9A, 0x0000, 0x0000}, - {0x0B9E, 0x0000, 0x0000}, - {0x0B9F, 0x0000, 0x0000}, - {0x0BA3, 0x0000, 0x0000}, - {0x0BA4, 0x0000, 0x0000}, - {0x0BA8, 0x0000, 0x0000}, - {0x0BAA, 0x0000, 0x0000}, - {0x0BAE, 0x0000, 0x0000}, - {0x0BAF, 0x0000, 0x0000}, - {0x0BB0, 0x0000, 0x0000}, - {0x0BB2, 0x0000, 0x0000}, - {0x0BB5, 0x0000, 0x0000}, - {0x0BB4, 0x0000, 0x0000}, - {0x0BB3, 0x0000, 0x0000}, - {0x0BB1, 0x0000, 0x0000}, - {0x0BA9, 0x0000, 0x0000}, - {0x0B9F, 0x0BBF, 0x0000}, - {0x0B9F, 0x0BC0, 0x0000}, - {0x0B95, 0x0BC1, 0x0000}, - {0x0B9A, 0x0BC1, 0x0000}, - {0x0B9F, 0x0BC1, 0x0000}, - {0x0BA3, 0x0BC1, 0x0000}, - {0x0BA4, 0x0BC1, 0x0000}, - {0x0BA8, 0x0BC1, 0x0000}, - {0x0BAA, 0x0BC1, 0x0000}, - {0x0BAE, 0x0BC1, 0x0000}, - {0x0BAF, 0x0BC1, 0x0000}, - {0x0BB0, 0x0BC1, 0x0000}, - {0x0BB2, 0x0BC1, 0x0000}, - {0x0BB5, 0x0BC1, 0x0000}, - {0x0BB4, 0x0BC1, 0x0000}, - {0x0BB3, 0x0BC1, 0x0000}, - {0x0BB1, 0x0BC1, 0x0000}, - {0x0BA9, 0x0BC1, 0x0000}, - {0x0B95, 0x0BC2, 0x0000}, - {0x0B9A, 0x0BC2, 0x0000}, - {0x0B9F, 0x0BC2, 0x0000}, - {0x0BA3, 0x0BC2, 0x0000}, - {0x0BA4, 0x0BC2, 0x0000}, - {0x0BA8, 0x0BC2, 0x0000}, - {0x0BAA, 0x0BC2, 0x0000}, - {0x0BAE, 0x0BC2, 0x0000}, - {0x0BAF, 0x0BC2, 0x0000}, - {0x0BB0, 0x0BC2, 0x0000}, - {0x0BB2, 0x0BC2, 0x0000}, - {0x0BB5, 0x0BC2, 0x0000}, - {0x0BB4, 0x0BC2, 0x0000}, - {0x0BB3, 0x0BC2, 0x0000}, - {0x0BB1, 0x0BC2, 0x0000}, - {0x0BA9, 0x0BC2, 0x0000}, - {0x0B95, 0x0B82, 0x0000}, - {0x0B99, 0x0B82, 0x0000}, - {0x0B9A, 0x0B82, 0x0000}, - {0x0B9E, 0x0B82, 0x0000}, - {0x0B9F, 0x0B82, 0x0000}, - {0x0BA3, 0x0B82, 0x0000}, - {0x0BA1, 0x0B82, 0x0000}, - {0x0BA8, 0x0B82, 0x0000}, - {0x0BAA, 0x0B82, 0x0000}, - {0x0BAE, 0x0B82, 0x0000}, - {0x0BAF, 0x0B82, 0x0000}, - {0x0BB0, 0x0B82, 0x0000}, - {0x0BB2, 0x0B82, 0x0000}, - {0x0BB5, 0x0B82, 0x0000}, - {0x0BB4, 0x0B82, 0x0000}, - {0x0BB3, 0x0B82, 0x0000}, - {0x0BB1, 0x0B82, 0x0000}, - {0x0BA9, 0x0B82, 0x0000} -}; - -static int cmp(const ushort *s1, const ushort *s2, size_t len) -{ - int diff = 0; - - while (len-- && (diff = *s1++ - *s2++) == 0) - ; - - return diff; -} - -static unsigned char qt_UnicodeToTSCII(ushort u1, ushort u2, ushort u3) -{ - ushort s[3]; - s[0] = u1; - s[1] = u2; - s[2] = u3; - - int a = 0; // start pos - int b = UnToTsLast; // end pos - - // do a binary search for the composed unicode in the list - while (a <= b) { - int w = (a + b) / 2; - int j = cmp(UnToTs[w], s, 3); - - if (j == 0) - // found it - return UnToTs[w][3]; - - if (j < 0) - a = w + 1; - else - b = w - 1; - } - - return 0; -} - -static unsigned int qt_TSCIIToUnicode(uint code, uint *s) -{ - int len = 0; - for (int i = 0; i < 3; i++) { - uint u = TsToUn[code & 0x7f][i]; - s[i] = u; - if (s[i]) len = i + 1; - } - - return len; -} - -QT_END_NAMESPACE |