kicad/common/streamwrapper.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2017 Cirilo Bernardo <cirilo.bernardo@gmail.com>
* Copyright (C) 2021 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/>.
*/
/**
* @file streamwrapper.cpp
*/
#if !defined( _WIN32 ) || !defined( __GNUC__ )
#error streamwrapper.cpp should not be included in this build
#endif
#include "streamwrapper.h"
#include <wx/string.h>
#include <iostream>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
kicad::stream::stream()
{
m_buf = nullptr;
m_stream = nullptr;
}
kicad::stream::~stream()
{
if( nullptr != m_stream )
delete m_stream;
if( nullptr != m_buf )
{
m_buf->close(); // ensure file is closed regardless of m_buf's destructor
delete m_buf;
}
}
std::iostream* kicad::stream::Open( const char* aFileName, std::ios_base::openmode aMode )
{
if( nullptr != m_stream )
{
delete m_stream;
m_stream = nullptr;
}
if( nullptr != m_buf )
{
m_buf->close();
delete m_buf;
}
int flags = 0;
if( aMode & std::ios_base::app )
flags |= _O_APPEND;
if( aMode & std::ios_base::out && aMode & std::ios_base::in )
flags |= _O_RDWR;
else if( aMode & std::ios_base::out )
flags |= _O_WRONLY;
else if( aMode & std::ios_base::in )
flags |= _O_RDONLY;
if( aMode & std::ios_base::binary )
flags |= _O_BINARY;
if( aMode & std::ios_base::out && aMode & std::ios_base::trunc
&& !( aMode & std::ios_base::app ) && !( aMode & std::ios_base::ate ) )
flags |= _O_TRUNC;
if( aMode & std::ios_base::out )
flags |= _O_CREAT;
//int fd = open( "testfile.txt", flags, S_IRUSR | S_IWUSR );
wxString lstr( wxString::FromUTF8Unchecked( aFileName ) );
int fd = _wopen( lstr.wc_str(), flags, _S_IREAD | _S_IWRITE );
if( fd >= 0 && aMode & std::ios_base::ate )
lseek( fd, 0, SEEK_END );
// NOTE: _O_RDONLY in Windows, O_RDONLY in Linux
m_buf = new __gnu_cxx::stdio_filebuf<char>( fd, aMode );
m_stream = new std::iostream( m_buf );
return m_stream;
}
void kicad::stream::Close( void )
{
if( m_buf )
m_buf->close();
}
std::iostream* kicad::stream::GetStream( void )
{
return m_stream;
}