board_file_utils.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2019-2021 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 2
 * 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, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
#include <pcbnew_utils/board_file_utils.h>
 
// For PCB parsing
#include <pcb_io/kicad_sexpr/pcb_io_kicad_sexpr.h>
#include <pcb_io/kicad_sexpr/pcb_io_kicad_sexpr_parser.h>
#include <richio.h>
 
#include <board.h>
#include <footprint.h>
 
#include <qa_utils/stdstream_line_reader.h>
 
namespace KI_TEST
{
 
#ifndef QA_PCBNEW_DATA_LOCATION
 #define QA_PCBNEW_DATA_LOCATION "???"
#endif
 
std::string GetPcbnewTestDataDir()
{
 const char* env = std::getenv( "KICAD_TEST_PCBNEW_DATA_DIR" );
 std::string fn;
 
 if( !env )
 {
 // Use the compiled-in location of the data dir (i.e. where the files were at build time)
 fn = QA_PCBNEW_DATA_LOCATION;
 }
 else
 {
 // Use whatever was given in the env var
 fn = env;
 }
 
 // Ensure the string ends in / to force a directory interpretation
 fn += "/";
 
 return fn;
}
 
 
void DumpBoardToFile( BOARD& board, const std::string& aFilename )
{
 PCB_IO_KICAD_SEXPR io;
 io.SaveBoard( aFilename, &board );
}
 
 
std::unique_ptr<BOARD_ITEM> ReadBoardItemFromStream( std::istream& aStream )
{
 // Take input from stdin
 STDISTREAM_LINE_READER reader;
 reader.SetStream( aStream );
 
 PCB_IO_KICAD_SEXPR_PARSER parser( &reader, nullptr, nullptr );
 std::unique_ptr<BOARD_ITEM> board;
 
 try
 {
 board.reset( parser.Parse() );
 }
 catch( const IO_ERROR& e )
 {
 throw e;
 }
 
 return board;
}
 
 
std::unique_ptr<BOARD> ReadBoardFromFileOrStream( const std::string& aFilename,
 std::istream& aFallback )
{
 std::istream* in_stream = nullptr;
 std::ifstream file_stream;
 
 if( aFilename.empty() )
 {
 // no file, read stdin
 in_stream = &aFallback;
 }
 else
 {
 file_stream.open( aFilename );
 
 if( !file_stream.is_open() )
 {
 return nullptr;
 }
 
 in_stream = &file_stream;
 }
 
 return ReadItemFromStream<BOARD>( *in_stream );
}
 
 
std::unique_ptr<FOOTPRINT> ReadFootprintFromFileOrStream( const std::string& aFilename,
 std::istream& aFallback )
{
 std::istream* in_stream = nullptr;
 std::ifstream file_stream;
 
 if( aFilename.empty() )
 {
 // no file, read stdin
 in_stream = &aFallback;
 }
 else
 {
 file_stream.open( aFilename );
 
 if( !file_stream.is_open() )
 {
 return nullptr;
 }
 
 in_stream = &file_stream;
 }
 
 return ReadItemFromStream<FOOTPRINT>( *in_stream );
}
 
 
 
} // namespace KI_TEST