kicad/qa/schematic_utils/schematic_file_util.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 at
* http://www.gnu.org/licenses/
*/
#include <schematic_file_util.h>
#include <settings/settings_manager.h>
#include <connection_graph.h>
#include <lib_textbox.h>
#include <schematic.h>
#include <sch_screen.h>
// For SCH parsing
#include <sch_plugins/kicad/sch_sexpr_plugin.h>
#include <sch_plugins/kicad/sch_sexpr_parser.h>
#include <richio.h>
#include <qa_utils/stdstream_line_reader.h>
namespace KI_TEST
{
#ifndef QA_EESCHEMA_DATA_LOCATION
#define QA_EESCHEMA_DATA_LOCATION "???"
#endif
std::string getEeschemaTestDataDir()
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{
const char* env = std::getenv( "KICAD_TEST_EESCHEMA_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_EESCHEMA_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 DumpSchematicToFile( SCHEMATIC& aSchematic, SCH_SHEET& aSheet, const std::string& aFilename )
{
SCH_SEXPR_PLUGIN io;
io.Save( aFilename, &aSheet, &aSchematic );
}
std::unique_ptr<SCHEMATIC> ReadSchematicFromStream( std::istream& aStream, PROJECT* aProject )
{
STDISTREAM_LINE_READER reader;
reader.SetStream( aStream );
SCH_SEXPR_PARSER parser( &reader );
std::unique_ptr<SCHEMATIC> schematic( new SCHEMATIC( nullptr ) );
try
{
schematic->SetProject( aProject );
SCH_SHEET* newSheet = new SCH_SHEET( schematic.get() );
schematic->SetRoot( newSheet );
SCH_SCREEN* rootScreen = new SCH_SCREEN( schematic.get() );
schematic->Root().SetScreen( rootScreen );
parser.ParseSchematic( newSheet );
}
catch( const IO_ERROR& )
{
}
return schematic;
}
std::unique_ptr<SCHEMATIC> ReadSchematicFromFile( const std::string& aFilename, PROJECT* aProject )
{
std::ifstream file_stream;
file_stream.open( aFilename );
wxASSERT( file_stream.is_open() );
return ReadSchematicFromStream( file_stream, aProject );
}
void LoadSchematic( SETTINGS_MANAGER& aSettingsManager, const wxString& aRelPath,
std::unique_ptr<SCHEMATIC>& aSchematic )
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{
if( aSchematic )
{
PROJECT* prj = &aSchematic->Prj();
aSchematic->SetProject( nullptr );
aSettingsManager.UnloadProject( prj, false );
aSchematic->Reset();
}
std::string absPath = getEeschemaTestDataDir() + aRelPath.ToStdString();
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wxFileName projectFile( absPath + ".kicad_pro" );
wxFileName legacyProject( absPath + ".pro" );
std::string schematicPath = absPath + ".kicad_sch";
if( projectFile.Exists() )
aSettingsManager.LoadProject( projectFile.GetFullPath() );
else if( legacyProject.Exists() )
aSettingsManager.LoadProject( legacyProject.GetFullPath() );
else
aSettingsManager.LoadProject( "" );
aSettingsManager.Prj().SetElem( PROJECT::ELEM_SCH_SYMBOL_LIBS, nullptr );
aSchematic = ReadSchematicFromFile( schematicPath, &aSettingsManager.Prj() );
aSchematic->CurrentSheet().push_back( &aSchematic->Root() );
SCH_SCREENS screens( aSchematic->Root() );
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for( SCH_SCREEN* screen = screens.GetFirst(); screen; screen = screens.GetNext() )
screen->UpdateLocalLibSymbolLinks();
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SCH_SHEET_LIST sheets = aSchematic->GetSheets();
// Restore all of the loaded symbol instances from the root sheet screen.
sheets.UpdateSymbolInstanceData( aSchematic->RootScreen()->GetSymbolInstances() );
sheets.UpdateSheetInstanceData( aSchematic->RootScreen()->GetSheetInstances() );
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if( aSchematic->RootScreen()->GetFileFormatVersionAtLoad() < 20221206 )
{
for( SCH_SCREEN* screen = screens.GetFirst(); screen; screen = screens.GetNext() )
screen->MigrateSimModels();
}
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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.
aSchematic->ConnectionGraph()->Recalculate( sheets, true );
}
} // namespace KI_TEST