eeschema.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2004 Jean-Pierre Charras, [email protected]
 * Copyright (C) 2008 Wayne Stambaugh <[email protected]>
 * Copyright (C) 2004-2020 KiCad Developers, see change_log.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 <pgm_base.h>
#include <kiface_base.h>
#include <confirm.h>
#include <gestfich.h>
#include <eda_dde.h>
#include <eeschema_settings.h>
#include <sch_edit_frame.h>
#include <symbol_edit_frame.h>
#include <symbol_viewer_frame.h>
#include <transform.h>
#include <symbol_lib_table.h>
#include <dialogs/dialog_global_sym_lib_table_config.h>
#include <dialogs/panel_sym_lib_table.h>
#include <kiway.h>
#include <sim/sim_plot_frame.h>
#include <settings/settings_manager.h>
#include <sexpr/sexpr.h>
#include <sexpr/sexpr_parser.h>
#include <kiface_ids.h>
#include <netlist_exporters/netlist_exporter_kicad.h>
#include <wx/ffile.h>
#include <wildcards_and_files_ext.h>

#include <schematic.h>
#include <connection_graph.h>

// The main sheet of the project
SCH_SHEET* g_RootSheet = nullptr;

// a transform matrix, to display symbols in lib editor
TRANSFORM DefaultTransform = TRANSFORM( 1, 0, 0, -1 );


namespace SCH {


static std::unique_ptr<SCHEMATIC> readSchematicFromFile( const std::string& aFilename )
{
 auto pi = SCH_IO_MGR::FindPlugin( SCH_IO_MGR::SCH_KICAD );
 std::unique_ptr<SCHEMATIC> schematic = std::make_unique<SCHEMATIC>( nullptr );

 auto &manager = Pgm().GetSettingsManager();

 manager.LoadProject( "" );
 schematic->Reset();
 schematic->SetProject( &manager.Prj() );
 schematic->SetRoot( pi->Load( aFilename, schematic.get() ) );
 schematic->CurrentSheet().push_back( &schematic->Root() );

 SCH_SCREENS screens( schematic->Root() );

 for( SCH_SCREEN* screen = screens.GetFirst(); screen; screen = screens.GetNext() )
 screen->UpdateLocalLibSymbolLinks();

 SCH_SHEET_LIST sheets = schematic->GetSheets();

 // Restore all of the loaded symbol instances from the root sheet screen.
 sheets.UpdateSymbolInstances( schematic->RootScreen()->GetSymbolInstances() );

 sheets.AnnotatePowerSymbols();

 // NOTE: This is required for multi-unit symbols to be correct
 // Normally called from SCH_EDIT_FRAME::FixupJunctions() but could be refactored
 for( SCH_SHEET_PATH& sheet : sheets )
 sheet.UpdateAllScreenReferences();

 // NOTE: SchematicCleanUp is not called; QA schematics must already be clean or else
 // SchematicCleanUp must be freed from its UI dependencies.

 schematic->ConnectionGraph()->Recalculate( sheets, true );

 return schematic;
}


bool generateSchematicNetlist( const wxString& aFilename, wxString& aNetlist )
{
 std::unique_ptr<SCHEMATIC> schematic = readSchematicFromFile( aFilename.ToStdString() );
 NETLIST_EXPORTER_KICAD exporter( schematic.get() );
 STRING_FORMATTER formatter;

 exporter.Format( &formatter, GNL_ALL | GNL_OPT_KICAD );
 aNetlist = formatter.GetString();

 return true;
}


static struct IFACE : public KIFACE_BASE
{
 // Of course all are virtual overloads, implementations of the KIFACE.

 IFACE( const char* aName, KIWAY::FACE_T aType ) :
 KIFACE_BASE( aName, aType )
 {}

 bool OnKifaceStart( PGM_BASE* aProgram, int aCtlBits ) override;

 void OnKifaceEnd() override;

 wxWindow* CreateWindow( wxWindow* aParent, int aClassId, KIWAY* aKiway,
 int aCtlBits = 0 ) override
 {
 switch( aClassId )
 {
 case FRAME_SCH:
 {
 SCH_EDIT_FRAME* frame = new SCH_EDIT_FRAME( aKiway, aParent );

 if( Kiface().IsSingle() )
 {
 // only run this under single_top, not under a project manager.
 frame->CreateServer( KICAD_SCH_PORT_SERVICE_NUMBER );
 }

 return frame;
 }

 case FRAME_SCH_SYMBOL_EDITOR:
 {
 SYMBOL_EDIT_FRAME* frame = new SYMBOL_EDIT_FRAME( aKiway, aParent );
 return frame;
 }

#ifdef KICAD_SPICE
 case FRAME_SIMULATOR:
 {
 SIM_PLOT_FRAME* frame = new SIM_PLOT_FRAME( aKiway, aParent );
 return frame;
 }
#endif
 case FRAME_SCH_VIEWER:
 case FRAME_SCH_VIEWER_MODAL:
 {
 SYMBOL_VIEWER_FRAME* frame = new SYMBOL_VIEWER_FRAME( aKiway, aParent,
 FRAME_T( aClassId ) );
 return frame;
 }

 case DIALOG_SCH_LIBRARY_TABLE:
 InvokeSchEditSymbolLibTable( aKiway, aParent );
 // Dialog has completed; nothing to return.
  return nullptr;

 default:
 return nullptr;
 }
 }

 void* IfaceOrAddress( int aDataId ) override
 {
 switch( aDataId )
 {
 case KIFACE_NETLIST_SCHEMATIC:
 return (void*) generateSchematicNetlist;
 }

 return nullptr;
 }

 void SaveFileAs( const wxString& aProjectBasePath, const wxString& aProjectName,
 const wxString& aNewProjectBasePath, const wxString& aNewProjectName,
 const wxString& aSrcFilePath, wxString& aErrors ) override;

} kiface( "eeschema", KIWAY::FACE_SCH );

} // namespace

using namespace SCH;

static PGM_BASE* process;


KIFACE_BASE& Kiface() { return kiface; }


// KIFACE_GETTER's actual spelling is a substitution macro found in kiway.h.
// KIFACE_GETTER will not have name mangling due to declaration in kiway.h.
MY_API( KIFACE* ) KIFACE_GETTER( int* aKIFACEversion, int aKiwayVersion, PGM_BASE* aProgram )
{
 process = aProgram;
 return &kiface;
}


PGM_BASE& Pgm()
{
 wxASSERT( process ); // KIFACE_GETTER has already been called.
 return *process;
}

// Similar to PGM_BASE& Pgm(), but return nullptr when a *.ki_face is run from
// a python script or something else.
PGM_BASE* PgmOrNull()
{
 return process;
}


bool IFACE::OnKifaceStart( PGM_BASE* aProgram, int aCtlBits )
{
 // This is process-level-initialization, not project-level-initialization of the DSO.
 // Do nothing in here pertinent to a project!
 InitSettings( new EESCHEMA_SETTINGS );
 aProgram->GetSettingsManager().RegisterSettings( KifaceSettings() );

 start_common( aCtlBits );

 wxFileName fn = SYMBOL_LIB_TABLE::GetGlobalTableFileName();

 if( !fn.FileExists() )
 {
 DIALOG_GLOBAL_SYM_LIB_TABLE_CONFIG fpDialog( nullptr );

 fpDialog.ShowModal();
 }
 else
 {
 try
 {
 // The global table is not related to a specific project. All projects
 // will use the same global table. So the KIFACE::OnKifaceStart() contract
 // of avoiding anything project specific is not violated here.
 if( !SYMBOL_LIB_TABLE::LoadGlobalTable( SYMBOL_LIB_TABLE::GetGlobalLibTable() ) )
 return false;
 }
 catch( const IO_ERROR& ioe )
 {
 // if we are here, a incorrect global symbol library table was found.
 // Incorrect global symbol library table is not a fatal error:
 // the user just has to edit the (partially) loaded table.
 wxString msg = _(
 "An error occurred attempting to load the global symbol library table.\n"
 "Please edit this global symbol library table in Preferences menu."
 );

 DisplayErrorMessage( nullptr, msg, ioe.What() );
 }
 }

 return true;
}


void IFACE::OnKifaceEnd()
{
 end_common();
}


static void traverseSEXPR( SEXPR::SEXPR* aNode,
 const std::function<void( SEXPR::SEXPR* )>& aVisitor )
{
 aVisitor( aNode );

 if( aNode->IsList() )
 {
 for( unsigned i = 0; i < aNode->GetNumberOfChildren(); i++ )
 traverseSEXPR( aNode->GetChild( i ), aVisitor );
 }
}


void IFACE::SaveFileAs( const wxString& aProjectBasePath, const wxString& aProjectName,
 const wxString& aNewProjectBasePath, const wxString& aNewProjectName,
 const wxString& aSrcFilePath, wxString& aErrors )
{
 wxFileName destFile( aSrcFilePath );
 wxString destPath = destFile.GetPathWithSep();
 wxUniChar pathSep = wxFileName::GetPathSeparator();
 wxString ext = destFile.GetExt();

 if( destPath.StartsWith( aProjectBasePath + pathSep ) )
 destPath.Replace( aProjectBasePath, aNewProjectBasePath, false );

 destFile.SetPath( destPath );

 if( ext == LegacySchematicFileExtension ||
 ext == LegacySchematicFileExtension + BackupFileSuffix ||
 ext == KiCadSchematicFileExtension ||
 ext == KiCadSchematicFileExtension + BackupFileSuffix )
 {
 if( destFile.GetName() == aProjectName )
 destFile.SetName( aNewProjectName );

 // Sheet paths when auto-generated are relative to the root, so those will stay
 // pointing to whatever they were pointing at.
 // The author can create their own absolute and relative sheet paths. Absolute
 // sheet paths aren't an issue, and relative ones will continue to work as long
 // as the author didn't include any '..'s. If they did, it's still not clear
 // whether they should be adjusted or not (as the author may be duplicating an
 // entire tree with several projects within it), so we leave this as an exercise
 // to the author.

 KiCopyFile( aSrcFilePath, destFile.GetFullPath(), aErrors );
 }
 else if( ext == SchematicSymbolFileExtension )
 {
 // Symbols are not project-specific. Keep their source names.
 KiCopyFile( aSrcFilePath, destFile.GetFullPath(), aErrors );
 }
 else if( ext == LegacySymbolLibFileExtension || ext == LegacySymbolDocumentFileExtension ||
 ext == KiCadSymbolLibFileExtension )
 {
 if( destFile.GetName() == aProjectName + "-cache" )
 destFile.SetName( aNewProjectName + "-cache" );

 KiCopyFile( aSrcFilePath, destFile.GetFullPath(), aErrors );
 }
 else if( ext == NetlistFileExtension )
 {
 bool success = false;

 if( destFile.GetName() == aProjectName )
 destFile.SetName( aNewProjectName );

 try
 {
 SEXPR::PARSER parser;
 std::unique_ptr<SEXPR::SEXPR> sexpr( parser.ParseFromFile( TO_UTF8( aSrcFilePath ) ) );

 traverseSEXPR( sexpr.get(), [&]( SEXPR::SEXPR* node )
 {
 if( node->IsList() && node->GetNumberOfChildren() > 1
 && node->GetChild( 0 )->IsSymbol()
 && node->GetChild( 0 )->GetSymbol() == "source" )
 {
 auto pathNode = dynamic_cast<SEXPR::SEXPR_STRING*>( node->GetChild( 1 ) );
 auto symNode = dynamic_cast<SEXPR::SEXPR_SYMBOL*>( node->GetChild( 1 ) );
 wxString path;

 if( pathNode )
 path = pathNode->m_value;
 else if( symNode )
 path = symNode->m_value;

 if( path == aProjectName + ".sch" )
 path = aNewProjectName + ".sch";
 else if( path == aProjectBasePath + "/" + aProjectName + ".sch" )
 path = aNewProjectBasePath + "/" + aNewProjectName + ".sch";
 else if( path.StartsWith( aProjectBasePath ) )
 path.Replace( aProjectBasePath, aNewProjectBasePath, false );

 if( pathNode )
 pathNode->m_value = path;
 else if( symNode )
 symNode->m_value = path;
 }
 } );

 wxFFile destNetList( destFile.GetFullPath(), "wb" );

 if( destNetList.IsOpened() )
 success = destNetList.Write( sexpr->AsString( 0 ) );

 // wxFFile dtor will close the file
 }
 catch( ... )
 {
 success = false;
 }

 if( !success )
 {
 wxString msg;

 if( !aErrors.empty() )
 aErrors += "\n";

 msg.Printf( _( "Cannot copy file '%s'." ), destFile.GetFullPath() );
 aErrors += msg;
 }
 }
 else if( destFile.GetName() == "sym-lib-table" )
 {
 SYMBOL_LIB_TABLE symbolLibTable;
 symbolLibTable.Load( aSrcFilePath );

 for( unsigned i = 0; i < symbolLibTable.GetCount(); i++ )
 {
 LIB_TABLE_ROW& row = symbolLibTable.At( i );
 wxString uri = row.GetFullURI();

 uri.Replace( "/" + aProjectName + "-cache.lib", "/" + aNewProjectName + "-cache.lib" );
 uri.Replace( "/" + aProjectName + "-rescue.lib", "/" + aNewProjectName +
 "-rescue.lib" );
 uri.Replace( "/" + aProjectName + ".lib", "/" + aNewProjectName + ".lib" );

 row.SetFullURI( uri );
 }

 try
 {
 symbolLibTable.Save( destFile.GetFullPath() );
 }
 catch( ... )
 {
 wxString msg;

 if( !aErrors.empty() )
 aErrors += "\n";

 msg.Printf( _( "Cannot copy file '%s'." ), destFile.GetFullPath() );
 aErrors += msg;
 }
 }
 else
 {
 wxFAIL_MSG( "Unexpected filetype for Eeschema::SaveFileAs()" );
 }
}