eeschema_helpers.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2022 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, you may find one here:
 * http://www.gnu.org/licenses/gpl-3.0.html
 * or you may search the http://www.gnu.org website for the version 3 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
#include <eeschema_helpers.h>
#include <sch_edit_frame.h>
#include <settings/settings_manager.h>
#include <wildcards_and_files_ext.h>
#include <schematic.h>
#include <sch_io_mgr.h>
#include <locale_io.h>
#include <wx/app.h>
#include <sch_label.h>
#include <connection_graph.h>
 
SCH_EDIT_FRAME* EESCHEMA_HELPERS::s_SchEditFrame = nullptr;
SETTINGS_MANAGER* EESCHEMA_HELPERS::s_SettingsManager = nullptr;
 
 
void EESCHEMA_HELPERS::SetSchEditFrame( SCH_EDIT_FRAME* aSchEditFrame )
{
 s_SchEditFrame = aSchEditFrame;
}
 
 
SETTINGS_MANAGER* EESCHEMA_HELPERS::GetSettingsManager()
{
 if( !s_SettingsManager )
 {
 if( s_SchEditFrame )
 {
 s_SettingsManager = s_SchEditFrame->GetSettingsManager();
 }
 else
 {
 s_SettingsManager = new SETTINGS_MANAGER( true );
 }
 }
 
 return s_SettingsManager;
}
 
 
PROJECT* EESCHEMA_HELPERS::GetDefaultProject()
{
 // For some reasons, LoadProject() needs a C locale, so ensure we have the right locale
 // This is mainly when running QA Python tests
 LOCALE_IO dummy;
 
 PROJECT* project = GetSettingsManager()->GetProject( "" );
 
 if( !project )
 {
 GetSettingsManager()->LoadProject( "" );
 project = GetSettingsManager()->GetProject( "" );
 }
 
 return project;
}
 
 
SCHEMATIC* EESCHEMA_HELPERS::LoadSchematic( wxString& aFileName )
{
 if( aFileName.EndsWith( KiCadSchematicFileExtension ) )
 return LoadSchematic( aFileName, SCH_IO_MGR::SCH_KICAD );
 else if( aFileName.EndsWith( LegacySchematicFileExtension ) )
 return LoadSchematic( aFileName, SCH_IO_MGR::SCH_LEGACY );
 
 // as fall back for any other kind use the legacy format
 return LoadSchematic( aFileName, SCH_IO_MGR::SCH_LEGACY );
}
 
 
SCHEMATIC* EESCHEMA_HELPERS::LoadSchematic( wxString& aFileName, SCH_IO_MGR::SCH_FILE_T aFormat )
{
 wxFileName pro = aFileName;
 pro.SetExt( ProjectFileExtension );
 pro.MakeAbsolute();
 wxString projectPath = pro.GetFullPath();
 
 // Ensure the "C" locale is temporary set, before reading any file
 // It also avoid wxWidget alerts about locale issues, later, when using Python 3
 LOCALE_IO dummy;
 
 PROJECT* project = GetSettingsManager()->GetProject( projectPath );
 
 if( !project )
 {
 if( wxFileExists( projectPath ) )
 {
 GetSettingsManager()->LoadProject( projectPath, false );
 project = GetSettingsManager()->GetProject( projectPath );
 }
 }
 else if( s_SchEditFrame && project == &GetSettingsManager()->Prj() )
 {
 // Project is already loaded? Then so is the board
 return &s_SchEditFrame->Schematic();
 }
 
 // Board cannot be loaded without a project, so create the default project
 if( !project )
 project = GetDefaultProject();
 
 SCH_PLUGIN* plugin = SCH_IO_MGR::FindPlugin( aFormat );
 SCH_PLUGIN::SCH_PLUGIN_RELEASER pi( plugin );
 
 SCHEMATIC* schematic = new SCHEMATIC( project );
 
 try
 {
 schematic->SetRoot( pi->Load( aFileName, schematic ) );
 }
 catch( ... )
 {
 return nullptr;
 }
 
 SCH_SHEET_LIST sheetList = schematic->GetSheets();
 SCH_SCREENS screens( schematic->Root() );
 
 for( SCH_SCREEN* screen = screens.GetFirst(); screen; screen = screens.GetNext() )
 screen->UpdateLocalLibSymbolLinks();
 
 if( schematic->RootScreen()->GetFileFormatVersionAtLoad() < 20221002 )
 sheetList.UpdateSymbolInstanceData( schematic->RootScreen()->GetSymbolInstances());
 
 sheetList.UpdateSheetInstanceData( schematic->RootScreen()->GetSheetInstances());
 
 if( schematic->RootScreen()->GetFileFormatVersionAtLoad() < 20230221 )
 screens.FixLegacyPowerSymbolMismatches();
 
 for( SCH_SCREEN* screen = screens.GetFirst(); screen; screen = screens.GetNext() )
 screen->MigrateSimModels();
 
 sheetList.AnnotatePowerSymbols();
 
 schematic->ConnectionGraph()->Reset();
 
 schematic->SetSheetNumberAndCount();
 schematic->RecomputeIntersheetRefs( []( SCH_GLOBALLABEL* aGlobal )
 {
 for( SCH_FIELD& field : aGlobal->GetFields() )
 field.ClearBoundingBoxCache();
 
 aGlobal->ClearBoundingBoxCache();
 } );
 
 for( SCH_SHEET_PATH& sheet : sheetList )
 {
 sheet.UpdateAllScreenReferences();
 sheet.LastScreen()->TestDanglingEnds( nullptr, nullptr );
 }
 
 schematic->ConnectionGraph()->Recalculate( sheetList, true );
 
 
 return schematic;
}