File indexing completed on 2024-05-26 05:56:26

 /*
     This file is part of the Okteta Kasten module, made within the KDE community.
 
     SPDX-FileCopyrightText: 2011 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 "charsetconversionjob.hpp"
 
 // Okteta core
 #include <Okteta/AbstractByteArrayModel>
 #include <Okteta/CharCodec>
 #include <Okteta/Character>
 // Qt
 #include <QCoreApplication>
 
 namespace Kasten {
 
 static constexpr int CharsetConversionBlockSize = 100000;
 
 bool CharsetConversionJob::exec()
 {
     // reset
     mConvertedBytesCount = 0;
     mFailedPerByteCount.clear();
 
     // check
     if (!mByteArrayModel || !mRange.isValid()) {
         deleteLater(); // TODO: could be reused on next operation
 
         return false;
     }
 
     bool success = true;
     int r = 0;
     Okteta::Address i = mRange.start();
     Okteta::Address blockEnd = mRange.start();
     while (i <= mRange.end() && success) {
         blockEnd += CharsetConversionBlockSize;
         if (blockEnd > mRange.end()) {
             blockEnd = mRange.end();
         }
 
         for (; i <= blockEnd && success; ++i) {
             Okteta::Byte convertedByte;
             const Okteta::Byte originalByte = mByteArrayModel->byte(i);
             const Okteta::Character decodedChar = mSourceCharCodec->decode(originalByte);
             bool isConverted = !decodedChar.isUndefined();
             if (isConverted) {
                 isConverted = mTargetCharCodec->encode(&convertedByte, decodedChar);
             }
 
             if (!isConverted) {
                 if (!mSubstitutingMissingChars) {
                     success = false;
                     break;
                 }
                 mFailedPerByteCount[originalByte]++;
                 convertedByte = mSubstituteByte;
             }
 
             // TODO: means if the default byte equals a not convertable original
             // byte that one is not counted. okay, or should be made explicit to user?
             if (originalByte != convertedByte) {
                 mConvertedBytesCount++;
             }
 
             mResult[r++] = convertedByte;
         }
 
         QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents | QEventLoop::ExcludeSocketNotifiers);
     }
 
     deleteLater(); // TODO: could be reused on next operation
 
     return success;
 }
 
 }
 
 #include "moc_charsetconversionjob.cpp"