kicad/eeschema/sch_io_mgr.cpp

174 lines
5.0 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2016 CERN
* Copyright (C) 2016-2017 KiCad Developers, see change_log.txt for contributors.
*
* @author Wayne Stambaugh <stambaughw@gmail.com>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <wx/filename.h>
#include <wx/uri.h>
#include <sch_io_mgr.h>
#include <sch_legacy_plugin.h>
#include <sch_eagle_plugin.h>
#include <wildcards_and_files_ext.h>
#define FMT_UNIMPLEMENTED _( "Plugin '%s' does not implement the '%s' function." )
#define FMT_NOTFOUND _( "Plugin type '%s' is not found." )
// Some day plugins might be in separate DLL/DSOs, simply because of numbers of them
// and code size. Until then, use the simplest method:
// This implementation is one of two which could be done.
// The other one would cater to DLL/DSO's. But since it would be nearly
// impossible to link a KICAD type DLL/DSO right now without pulling in all
// ::Draw() functions, I forgo that option temporarily.
// Some day it may be possible to have some built in AND some DLL/DSO
// plugins coexisting.
SCH_PLUGIN* SCH_IO_MGR::FindPlugin( SCH_FILE_T aFileType )
{
// This implementation is subject to change, any magic is allowed here.
// The public SCH_IO_MGR API is the only pertinent public information.
switch( aFileType )
{
case SCH_LEGACY:
return new SCH_LEGACY_PLUGIN();
case SCH_EAGLE:
return new SCH_EAGLE_PLUGIN();
}
return NULL;
}
void SCH_IO_MGR::ReleasePlugin( SCH_PLUGIN* aPlugin )
{
// This function is a place holder for a future point in time where
// the plugin is a DLL/DSO. It could do reference counting, and then
// unload the DLL/DSO when count goes to zero.
delete aPlugin;
}
const wxString SCH_IO_MGR::ShowType( SCH_FILE_T aType )
{
// keep this function in sync with EnumFromStr() relative to the
// text spellings. If you change the spellings, you will obsolete
// library tables, so don't do change, only additions are ok.
switch( aType )
{
default:
return wxString::Format( _( "Unknown SCH_FILE_T value: %d" ), aType );
case SCH_LEGACY:
return wxString( wxT( "Legacy" ) );
case SCH_EAGLE:
return wxString( wxT( "EAGLE" ) );
}
}
SCH_IO_MGR::SCH_FILE_T SCH_IO_MGR::EnumFromStr( const wxString& aType )
{
// keep this function in sync with ShowType() relative to the
// text spellings. If you change the spellings, you will obsolete
// library tables, so don't do change, only additions are ok.
if( aType == wxT( "Legacy" ) )
return SCH_LEGACY;
else if( aType == wxT( "EAGLE" ) )
return SCH_EAGLE;
// wxASSERT( blow up here )
return SCH_FILE_T( -1 );
}
const wxString SCH_IO_MGR::GetFileExtension( SCH_FILE_T aFileType )
{
wxString ext = wxEmptyString;
SCH_PLUGIN* plugin = FindPlugin( aFileType );
if( plugin != NULL )
{
ext = plugin->GetFileExtension();
ReleasePlugin( plugin );
}
return ext;
}
SCH_IO_MGR::SCH_FILE_T SCH_IO_MGR::GuessPluginTypeFromLibPath( const wxString& aLibPath )
{
SCH_FILE_T ret = SCH_LEGACY; // default guess, unless detected otherwise.
wxFileName fn( aLibPath );
if( fn.GetExt() == SchematicFileExtension )
{
ret = SCH_LEGACY;
}
return ret;
}
SCH_SHEET* SCH_IO_MGR::Load( SCH_FILE_T aFileType, const wxString& aFileName, KIWAY* aKiway,
SCH_SHEET* aAppendToMe, const PROPERTIES* aProperties )
{
// release the SCH_PLUGIN even if an exception is thrown.
SCH_PLUGIN::SCH_PLUGIN_RELEASER pi( FindPlugin( aFileType ) );
if( (SCH_PLUGIN*) pi ) // test pi->plugin
{
return pi->Load( aFileName, aKiway, aAppendToMe, aProperties ); // virtual
}
THROW_IO_ERROR( wxString::Format( FMT_NOTFOUND, ShowType( aFileType ).GetData() ) );
}
void SCH_IO_MGR::Save( SCH_FILE_T aFileType, const wxString& aFileName,
SCH_SCREEN* aSchematic, KIWAY* aKiway, const PROPERTIES* aProperties )
{
// release the SCH_PLUGIN even if an exception is thrown.
SCH_PLUGIN::SCH_PLUGIN_RELEASER pi( FindPlugin( aFileType ) );
if( (SCH_PLUGIN*) pi ) // test pi->plugin
{
pi->Save( aFileName, aSchematic, aKiway, aProperties ); // virtual
return;
}
THROW_IO_ERROR( wxString::Format( FMT_NOTFOUND, ShowType( aFileType ).GetData() ) );
}
DECLARE_ENUM_VECTOR( SCH_IO_MGR, SCH_FILE_T )