File indexing completed on 2024-05-05 17:57:59

 /*
     This file is part of the Okteta Core library, made within the KDE community.
 
     SPDX-FileCopyrightText: 2015 Friedrich W. H. Kossebau <kossebau@kde.org>
 
     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
 */
 
 #include "jisx0201charcodec.hpp"
 
 // lib
 #include <character.hpp>
 // Qt
 #include <QString>
 
 namespace Okteta {
 
 bool JISX0201CharCodec::encode(Byte* byte, const QChar& _char) const
 {
     const ushort charUnicode = _char.unicode();
 
     constexpr unsigned char unmatched = 0xFF; // value not in target set
     const unsigned char _byte =
         (charUnicode <= 0x005B) ?                          charUnicode :
         (0x005D <= charUnicode && charUnicode <= 0x007D) ? charUnicode :
         (charUnicode == 0x00A5) ?                          92 :
         (charUnicode == 0x203E) ?                          126 :
         (0xFF61 <= charUnicode && charUnicode <= 0xFF9F) ? (charUnicode - 0xFF61 + 161) :
         /* else */                                         unmatched;
 
     // not covered?
     if (_byte == unmatched) {
         return false;
     }
 
     *byte = _byte;
 
     return true;
 }
 
 Character JISX0201CharCodec::decode(Byte byte) const
 {
     const ushort unicode =
         (byte <= 91) ||
         (93 <= byte && byte <= 125)
             ?  ushort(byte) :
         (92 == byte)
             ?  ushort(0x00A5) :
         (126 == byte)
             ?  ushort(0x203E) :
         (161 <= byte && byte <= 223)
             ? ushort(0xFF61 - 161 + byte) :
         /* else */ 0xFFFD;
 
     if (unicode == 0xFFFD) {
         return {QChar(0), true};
     }
 
     return {QChar(unicode)};
 }
 
 bool JISX0201CharCodec::canEncode(const QChar& _char) const
 {
     const ushort charUnicode = _char.unicode();
     return
         (charUnicode <= 0x005B) ||
         (0x005D <= charUnicode && charUnicode <= 0x007D) ||
         (charUnicode == 0x00A5) || (charUnicode == 0x203E) ||
         (0xFF61 <= charUnicode && charUnicode <= 0xFF9F);
 }
 
 const QString& JISX0201CharCodec::name() const
 {
     return codecName();
 }
 
 const QString& JISX0201CharCodec::codecName()
 {
     static const QString name = QStringLiteral("JIS X 0201");
     return name;
 }
 
 }