/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2020 KiCad Developers, see AUTHORS.txt for contributors. * * This program is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation, either version 3 of the License, or (at your * option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef WXSTREAM_HELPER_H #define WXSTREAM_HELPER_H #include <vector> #include <wx/log.h> #include <wx/wfstream.h> static bool CopyStreamData( wxInputStream& inputStream, wxOutputStream& outputStream, wxFileOffset size ) { constexpr size_t bufSize = 128 * 1024; std::vector<wxChar> buf( bufSize ); wxFileOffset copiedData = 0; wxFileOffset readSize = bufSize; for( ; ; ) { if(size != -1 && copiedData + readSize > size ) readSize = size - copiedData; inputStream.Read( buf.data(), readSize ); size_t actuallyRead = inputStream.LastRead(); outputStream.Write( buf.data(), actuallyRead ); if( outputStream.LastWrite() != actuallyRead ) { wxLogError( _("Failed to output data") ); //return false; } if( size == -1 ) { if( inputStream.Eof() ) break; } else { copiedData += actuallyRead; if( copiedData >= size ) break; } } return true; } #endif // WXSTREAM_HELPER_H