libarch.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, jp.charras ar wanadoo.fr
 * Copyright (C) 2008 Wayne Stambaugh <[email protected]>
 * Copyright (C) 2004-2021 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 <confirm.h>
#include <wildcards_and_files_ext.h>

#include <sch_edit_frame.h>
#include <symbol_lib_table.h>
#include <symbol_library.h>
#include <sch_symbol.h>
#include <sch_sheet.h>
#include <schematic.h>


bool SCH_EDIT_FRAME::CreateArchiveLibraryCacheFile( bool aUseCurrentSheetFilename )
{
 wxFileName fn;

 if( aUseCurrentSheetFilename )
 fn = GetScreen()->GetFileName();
 else
 fn = Schematic().RootScreen()->GetFileName();

 fn.SetName( fn.GetName() + wxT( "-cache" ) );
 fn.SetExt( LegacySymbolLibFileExtension );

 bool success = CreateArchiveLibrary( fn.GetFullPath() );

 // Update the schematic symbol library links.
 // because the lib cache has changed
 SCH_SCREENS schematic( Schematic().Root() );
 schematic.UpdateSymbolLinks();

 return success;
}


bool SCH_EDIT_FRAME::CreateArchiveLibrary( const wxString& aFileName )
{
 wxString tmp;
 wxString errorMsg;
 SCH_SCREENS screens( Schematic().Root() );

 // Create a new empty library to archive symbols:
 std::unique_ptr<SYMBOL_LIB> archLib = std::make_unique<SYMBOL_LIB>( SCH_LIB_TYPE::LT_EESCHEMA,
 aFileName );

 // Save symbols to file only when the library will be fully filled
 archLib->EnableBuffering();

 /* Examine all screens (not hierarchical sheets) used in the schematic and build a
 * library of unique symbols found in all screens. Complex hierarchies are not a
 * problem because we just want to know the library symbols used in the schematic
 * not their reference.
 */
 for( SCH_SCREEN* screen = screens.GetFirst(); screen; screen = screens.GetNext() )
 {

 for( SCH_ITEM* aItem : screen->Items().OfType( SCH_SYMBOL_T ) )
 {
 LIB_SYMBOL* libSymbol = nullptr;
 SCH_SYMBOL* symbol = static_cast<SCH_SYMBOL*>( aItem );

 try
 {
 if( archLib->FindSymbol( symbol->GetLibId() ) )
 continue;

 libSymbol = GetLibSymbol( symbol->GetLibId(), true );
 }
 catch( const IO_ERROR& )
 {
 // Queue up error messages for later.
 tmp.Printf( _( "Failed to add symbol %s to library file '%s'." ),
 symbol->GetLibId().GetUniStringLibItemName(),
 aFileName );

 // Don't bail out here. Attempt to add as many of the symbols to the library
 // as possible.
 }
 catch( ... )
 {
 tmp = _( "Unexpected exception occurred." );
 }

 if( libSymbol )
 {
 std::unique_ptr<LIB_SYMBOL> flattenedSymbol = libSymbol->Flatten();

 // Use the full LIB_ID as the symbol name to prevent symbol name collisions.
 flattenedSymbol->SetName( symbol->GetLibId().GetUniStringLibId() );

 // AddSymbol() does first clone the symbol before adding.
 archLib->AddSymbol( flattenedSymbol.get() );
 }
 else
 {
 tmp.Printf( _( "Symbol %s not found in any library or cache." ),
 symbol->GetLibId().GetUniStringLibId() );
 }

 if( !tmp.empty() && !errorMsg.Contains( symbol->GetLibId().GetUniStringLibId() ) )
 {
 if( errorMsg.empty() )
 errorMsg += tmp;
 else
 errorMsg += wxT( "\n" ) + tmp;
 }
 }
 }

 if( !errorMsg.empty() )
 {
 tmp.Printf( _( "Errors occurred creating symbol library %s." ), aFileName );
 DisplayErrorMessage( this, tmp, errorMsg );
 }

 archLib->EnableBuffering( false );

 try
 {
 archLib->Save( false );
 }
 catch( const IO_ERROR& ioe )
 {
 errorMsg.Printf( _( "Failed to save symbol library file '%s'." ), aFileName );
 DisplayErrorMessage( this, errorMsg, ioe.What() );
 return false;
 }
 catch( std::exception& error )
 {
 errorMsg.Printf( _( "Failed to save symbol library file '%s'." ), aFileName );
 DisplayErrorMessage( this, errorMsg, error.what() );
 return false;
 }

 return true;
}