sch_io_easyeda.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2023 Alex Shvartzkop <[email protected]>
 * Copyright (C) 2023-2024 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 "sch_easyeda_parser.h"
#include "sch_io_easyeda.h"
 
#include <schematic.h>
#include <sch_sheet.h>
#include <sch_screen.h>
#include <kiplatform/environment.h>
#include <project_sch.h>
#include <wildcards_and_files_ext.h>
#include <string_utils.h>
 
#include <wx/log.h>
#include <wx/stdstream.h>
#include <wx/zipstrm.h>
 
#include <nlohmann/json.hpp>
#include <core/map_helpers.h>
#include <wx/wfstream.h>
 
 
static bool FindSchFileInStream( const wxString& aName, wxInputStream& aStream,
 nlohmann::json& aOut, EASYEDA::DOCUMENT& aDoc,
 EASYEDA::DOC_TYPE& aDocType )
{
 if( aName.Lower().EndsWith( wxS( ".json" ) ) )
 {
 wxStdInputStream sin( aStream );
 nlohmann::json js = nlohmann::json::parse( sin, nullptr, false );
 
 if( js.is_discarded() )
 return false;
 
 EASYEDA::DOCUMENT doc = js.get<EASYEDA::DOCUMENT>();
 EASYEDA::DOC_TYPE type;
 
 if( doc.docType )
 type = *doc.docType;
 else
 type = doc.head.docType;
 
 if( type == EASYEDA::DOC_TYPE::SCHEMATIC_SHEET || type == EASYEDA::DOC_TYPE::SCHEMATIC_LIST
 || type == EASYEDA::DOC_TYPE::SYMBOL )
 {
 aOut = js;
 aDoc = doc;
 aDocType = type;
 return true;
 }
 }
 else if( aName.Lower().EndsWith( wxS( ".zip" ) ) )
 {
 std::shared_ptr<wxZipEntry> entry;
 wxZipInputStream zip( aStream );
 
 if( !zip.IsOk() )
 return false;
 
 while( entry.reset( zip.GetNextEntry() ), entry.get() != NULL )
 {
 wxString name = entry->GetName();
 
 if( FindSchFileInStream( name, zip, aOut, aDoc, aDocType ) )
 return true;
 }
 }
 
 return false;
}
 
 
bool SCH_IO_EASYEDA::CanReadSchematicFile( const wxString& aFileName ) const
{
 if( !SCH_IO::CanReadSchematicFile( aFileName ) )
 return false;
 
 try
 {
 wxFFileInputStream in( aFileName );
 nlohmann::json js;
 EASYEDA::DOCUMENT doc;
 EASYEDA::DOC_TYPE docType;
 
 return FindSchFileInStream( aFileName, in, js, doc, docType );
 }
 catch( nlohmann::json::exception& )
 {
 }
 catch( std::exception& )
 {
 }
 
 return false;
}
 
 
bool SCH_IO_EASYEDA::CanReadLibrary( const wxString& aFileName ) const
{
 return CanReadSchematicFile( aFileName );
}
 
 
int SCH_IO_EASYEDA::GetModifyHash() const
{
 return 0;
}
 
 
LIB_SYMBOL* loadSymbol( const wxString& aLibraryPath, nlohmann::json aFileData,
 const wxString& aAliasName, const STRING_UTF8_MAP* aProperties )
{
 SCH_EASYEDA_PARSER parser( nullptr, nullptr );
 std::map<wxString, int> namesCounter;
 
 try
 {
 wxFFileInputStream in( aLibraryPath );
 nlohmann::json js;
 EASYEDA::DOCUMENT topDoc;
 EASYEDA::DOC_TYPE topDocType;
 
 if( !FindSchFileInStream( aLibraryPath, in, js, topDoc, topDocType ) )
 {
 THROW_IO_ERROR( wxString::Format( _( "Unable to find a valid schematic file in '%s'" ),
 aLibraryPath ) );
 }
 
 if( topDocType == EASYEDA::DOC_TYPE::SCHEMATIC_SHEET
 || topDocType == EASYEDA::DOC_TYPE::SCHEMATIC_LIST )
 {
 EASYEDA::DOCUMENT_SCHEMATICS schDoc = js.get<EASYEDA::DOCUMENT_SCHEMATICS>();
 
 for( const EASYEDA::DOCUMENT& subDoc : *schDoc.schematics )
 {
 if( subDoc.docType )
 {
 if( *subDoc.docType != EASYEDA::DOC_TYPE::SCHEMATIC_SHEET )
 continue;
 }
 else
 {
 if( subDoc.head.docType != EASYEDA::DOC_TYPE::SCHEMATIC_SHEET )
 continue;
 }
 
 EASYEDA::DOCUMENT dataStrDoc = subDoc.dataStr->get<EASYEDA::DOCUMENT>();
 
 for( wxString shap : dataStrDoc.shape )
 {
 if( !shap.Contains( wxS( "LIB" ) ) )
 continue;
 
 shap.Replace( wxS( "#@$" ), wxS( "\n" ) );
 wxArrayString parts = wxSplit( shap, '\n', '\0' );
 
 if( parts.size() < 1 )
 continue;
 
 wxArrayString paramsRoot = wxSplit( parts[0], '~', '\0' );
 
 if( paramsRoot.size() < 1 )
 continue;
 
 wxString rootType = paramsRoot[0];
 
 if( rootType == wxS( "LIB" ) )
 {
 if( paramsRoot.size() < 4 )
 continue;
 
 VECTOR2D origin( parser.Convert( paramsRoot[1] ),
 parser.Convert( paramsRoot[2] ) );
 
 wxString symbolName = wxString::Format( wxS( "Unknown_%s_%s" ),
 paramsRoot[1], paramsRoot[2] );
 
 wxArrayString paramParts = wxSplit( paramsRoot[3], '`', '\0' );
 
 std::map<wxString, wxString> paramMap;
 
 for( size_t i = 1; i < paramParts.size(); i += 2 )
 {
 wxString key = paramParts[i - 1];
 wxString value = paramParts[i];
 
 if( key == wxS( "spiceSymbolName" ) && !value.IsEmpty() )
 symbolName = value;
 
 paramMap[key] = value;
 }
 
 int& serial = namesCounter[symbolName];
 
 if( serial > 0 )
 symbolName << wxS( "_" ) << serial;
 
 serial++;
 
 paramMap[wxS( "spiceSymbolName" )] = symbolName;
 
 if( symbolName == aAliasName )
 {
 parts.RemoveAt( 0 );
 
 return parser.ParseSymbol( origin, paramMap, parts );
 }
 }
 }
 }
 }
 else if( topDocType == EASYEDA::DOC_TYPE::SYMBOL )
 {
 EASYEDA::DOCUMENT_SYM symDoc = js.get<EASYEDA::DOCUMENT_SYM>();
 
 wxString symbolName = wxS( "Unknown" );
 
 std::optional<std::map<wxString, wxString>> c_para;
 
 if( symDoc.c_para )
 c_para = symDoc.c_para;
 else if( topDoc.head.c_para )
 c_para = topDoc.head.c_para;
 
 if( !c_para )
 return nullptr;
 
 symbolName = get_def( *c_para, wxS( "name" ), symbolName );
 
 int& serial = namesCounter[symbolName];
 
 if( serial > 0 )
 symbolName << wxS( "_" ) << serial;
 
 serial++;
 
 if( symbolName != aAliasName )
 return nullptr;
 
 VECTOR2D origin( topDoc.head.x, topDoc.head.y );
 
 return parser.ParseSymbol( origin, *c_para, topDoc.shape );
 }
 }
 catch( nlohmann::json::exception& e )
 {
 THROW_IO_ERROR( wxString::Format( _( "Error loading symbol '%s' from library '%s': %s" ),
 aAliasName, aLibraryPath, e.what() ) );
 }
 catch( std::exception& e )
 {
 THROW_IO_ERROR( wxString::Format( _( "Error loading symbol '%s' from library '%s': %s" ),
 aAliasName, aLibraryPath, e.what() ) );
 }
 
 return nullptr;
}
 
 
void SCH_IO_EASYEDA::EnumerateSymbolLib( wxArrayString& aSymbolNameList,
 const wxString& aLibraryPath,
 const STRING_UTF8_MAP* aProperties )
{
 std::map<wxString, int> namesCounter;
 
 try
 {
 wxFFileInputStream in( aLibraryPath );
 nlohmann::json js;
 EASYEDA::DOCUMENT topDoc;
 EASYEDA::DOC_TYPE topDocType;
 
 if( !FindSchFileInStream( aLibraryPath, in, js, topDoc, topDocType ) )
 {
 THROW_IO_ERROR( wxString::Format( _( "Unable to find a valid schematic file in '%s'" ),
 aLibraryPath ) );
 }
 
 if( topDocType == EASYEDA::DOC_TYPE::SCHEMATIC_SHEET
 || topDocType == EASYEDA::DOC_TYPE::SCHEMATIC_LIST )
 {
 EASYEDA::DOCUMENT_SCHEMATICS schDoc = js.get<EASYEDA::DOCUMENT_SCHEMATICS>();
 
 for( const EASYEDA::DOCUMENT& subDoc : *schDoc.schematics )
 {
 if( subDoc.docType )
 {
 if( *subDoc.docType != EASYEDA::DOC_TYPE::SCHEMATIC_SHEET )
 continue;
 }
 else
 {
 if( subDoc.head.docType != EASYEDA::DOC_TYPE::SCHEMATIC_SHEET )
 continue;
 }
 
 EASYEDA::DOCUMENT dataStrDoc = subDoc.dataStr->get<EASYEDA::DOCUMENT>();
 
 for( wxString shap : dataStrDoc.shape )
 {
 if( !shap.Contains( wxS( "LIB" ) ) )
 continue;
 
 shap.Replace( wxS( "#@$" ), wxS( "\n" ) );
 wxArrayString parts = wxSplit( shap, '\n', '\0' );
 
 if( parts.size() < 1 )
 continue;
 
 wxArrayString paramsRoot = wxSplit( parts[0], '~', '\0' );
 
 if( paramsRoot.size() < 1 )
 continue;
 
 wxString rootType = paramsRoot[0];
 
 if( rootType == wxS( "LIB" ) )
 {
 if( paramsRoot.size() < 4 )
 continue;
 
 wxString symbolName = wxString::Format( wxS( "Unknown_%s_%s" ),
 paramsRoot[1], paramsRoot[2] );
 
 wxArrayString paramParts = wxSplit( paramsRoot[3], '`', '\0' );
 
 std::map<wxString, wxString> paramMap;
 
 for( size_t i = 1; i < paramParts.size(); i += 2 )
 {
 wxString key = paramParts[i - 1];
 wxString value = paramParts[i];
 
 if( key == wxS( "spiceSymbolName" ) && !value.IsEmpty() )
 symbolName = value;
 
 paramMap[key] = value;
 }
 
 int& serial = namesCounter[symbolName];
 
 if( serial > 0 )
 symbolName << wxS( "_" ) << serial;
 
 serial++;
 
 aSymbolNameList.Add( symbolName );
 }
 }
 }
 }
 else if( topDocType == EASYEDA::DOC_TYPE::SYMBOL )
 {
 EASYEDA::DOCUMENT_SYM symDoc = js.get<EASYEDA::DOCUMENT_SYM>();
 
 wxString packageName = wxS( "Unknown" );
 
 if( symDoc.c_para )
 {
 packageName = get_def( *symDoc.c_para, wxS( "name" ), packageName );
 }
 else if( topDoc.head.c_para )
 {
 packageName = get_def( *topDoc.head.c_para, wxS( "name" ), packageName );
 }
 
 aSymbolNameList.Add( packageName );
 }
 }
 catch( nlohmann::json::exception& e )
 {
 THROW_IO_ERROR( wxString::Format( _( "Error enumerating symbol library '%s': %s" ),
 aLibraryPath, e.what() ) );
 }
 catch( std::exception& e )
 {
 THROW_IO_ERROR( wxString::Format( _( "Error enumerating symbol library '%s': %s" ),
 aLibraryPath, e.what() ) );
 }
}
 
 
void SCH_IO_EASYEDA::EnumerateSymbolLib( std::vector<LIB_SYMBOL*>& aSymbolList,
 const wxString& aLibraryPath,
 const STRING_UTF8_MAP* aProperties )
{
 wxFFileInputStream in( aLibraryPath );
 nlohmann::json js;
 EASYEDA::DOCUMENT topDoc;
 EASYEDA::DOC_TYPE topDocType;
 
 if( !FindSchFileInStream( aLibraryPath, in, js, topDoc, topDocType ) )
 {
 THROW_IO_ERROR( wxString::Format( _( "Unable to find a valid schematic file in '%s'" ),
 aLibraryPath ) );
 }
 
 try
 {
 wxArrayString symbolNameList;
 
 EnumerateSymbolLib( symbolNameList, aLibraryPath, aProperties );
 
 for( const wxString& symbolName : symbolNameList )
 {
 LIB_SYMBOL* sym = loadSymbol( aLibraryPath, js, symbolName, aProperties );
 
 if( sym )
 aSymbolList.push_back( sym );
 }
 }
 catch( nlohmann::json::exception& e )
 {
 THROW_IO_ERROR( wxString::Format( _( "Error enumerating symbol library '%s': %s" ),
 aLibraryPath, e.what() ) );
 }
 catch( std::exception& e )
 {
 THROW_IO_ERROR( wxString::Format( _( "Error enumerating symbol library '%s': %s" ),
 aLibraryPath, e.what() ) );
 }
}
 
 
LIB_SYMBOL* SCH_IO_EASYEDA::LoadSymbol( const wxString& aLibraryPath,
 const wxString& aAliasName,
 const STRING_UTF8_MAP* aProperties )
{
 try
 {
 wxFFileInputStream in( aLibraryPath );
 nlohmann::json js;
 EASYEDA::DOCUMENT topDoc;
 EASYEDA::DOC_TYPE topDocType;
 
 if( !FindSchFileInStream( aLibraryPath, in, js, topDoc, topDocType ) )
 {
 THROW_IO_ERROR( wxString::Format( _( "Unable to find a valid schematic file in '%s'" ),
 aLibraryPath ) );
 }
 
 return loadSymbol( aLibraryPath, js, aAliasName, aProperties );
 }
 catch( nlohmann::json::exception& e )
 {
 THROW_IO_ERROR( wxString::Format( _( "Error loading symbol '%s' from library '%s': %s" ),
 aAliasName, aLibraryPath, e.what() ) );
 }
 catch( std::exception& e )
 {
 THROW_IO_ERROR( wxString::Format( _( "Error loading symbol '%s' from library '%s': %s" ),
 aAliasName, aLibraryPath, e.what() ) );
 }
 
 return nullptr;
}
 
 
static void LoadSchematic( SCHEMATIC* aSchematic, SCH_SHEET* aRootSheet, const wxString& aFileName )
{
 SCH_EASYEDA_PARSER parser( nullptr, nullptr );
 
 try
 {
 wxFFileInputStream in( aFileName );
 nlohmann::json js;
 EASYEDA::DOCUMENT topDoc;
 EASYEDA::DOC_TYPE topDocType;
 
 if( !FindSchFileInStream( aFileName, in, js, topDoc, topDocType ) )
 {
 THROW_IO_ERROR( wxString::Format( _( "Unable to find a valid schematic file in '%s'" ),
 aFileName ) );
 }
 
 if( topDocType == EASYEDA::DOC_TYPE::SCHEMATIC_SHEET
 || topDocType == EASYEDA::DOC_TYPE::SCHEMATIC_LIST )
 {
 int pageNum = 1;
 EASYEDA::DOCUMENT_SCHEMATICS schDoc = js.get<EASYEDA::DOCUMENT_SCHEMATICS>();
 
 for( const EASYEDA::DOCUMENT& subDoc : *schDoc.schematics )
 {
 if( subDoc.docType )
 {
 if( *subDoc.docType != EASYEDA::DOC_TYPE::SCHEMATIC_SHEET )
 continue;
 }
 else
 {
 if( subDoc.head.docType != EASYEDA::DOC_TYPE::SCHEMATIC_SHEET )
 continue;
 }
 
 EASYEDA::DOCUMENT dataStrDoc = subDoc.dataStr->get<EASYEDA::DOCUMENT>();
 
 if( schDoc.schematics->size() > 1 )
 {
 wxString sheetTitle =
 !subDoc.title.empty() ? subDoc.title : ( wxString() << pageNum );
 
 wxString sheetBaseName = EscapeString( sheetTitle, CTX_FILENAME );
 
 wxFileName sheetFname( aFileName );
 sheetFname.SetFullName(
 sheetBaseName + wxS( "." )
 + wxString::FromUTF8( FILEEXT::KiCadSchematicFileExtension ) );
 
 wxFileName relSheetPath( sheetFname );
 relSheetPath.MakeRelativeTo(
 wxFileName( aRootSheet->GetFileName() ).GetPath() );
 
 std::unique_ptr<SCH_SHEET> subSheet = std::make_unique<SCH_SHEET>( aSchematic );
 subSheet->SetFileName( relSheetPath.GetFullPath() );
 subSheet->SetName( sheetTitle );
 
 SCH_SCREEN* screen = new SCH_SCREEN( aSchematic );
 screen->SetFileName( sheetFname.GetFullPath() );
 screen->SetPageNumber( wxString() << pageNum );
 subSheet->SetScreen( screen );
 
 VECTOR2I pos;
 pos.x = schIUScale.MilsToIU( 200 );
 pos.y = schIUScale.MilsToIU( 200 )
 + ( subSheet->GetSize().y + schIUScale.MilsToIU( 200 ) )
 * ( pageNum - 1 );
 
 subSheet->SetPosition( pos );
 
 SCH_SHEET_PATH sheetPath;
 sheetPath.push_back( aRootSheet );
 sheetPath.push_back( subSheet.get() );
 sheetPath.SetPageNumber( wxString() << pageNum );
 aSchematic->SetCurrentSheet( sheetPath );
 
 parser.ParseSchematic( aSchematic, subSheet.get(), aFileName,
 dataStrDoc.shape );
 
 aRootSheet->GetScreen()->Append( subSheet.release() );
 }
 else
 {
 parser.ParseSchematic( aSchematic, aRootSheet, aFileName, dataStrDoc.shape );
 }
 
 pageNum++;
 }
 }
 }
 catch( nlohmann::json::exception& e )
 {
 THROW_IO_ERROR(
 wxString::Format( _( "Error loading schematic '%s': %s" ), aFileName, e.what() ) );
 }
 catch( std::exception& e )
 {
 THROW_IO_ERROR(
 wxString::Format( _( "Error loading schematic '%s': %s" ), aFileName, e.what() ) );
 }
}
 
 
SCH_SHEET* SCH_IO_EASYEDA::LoadSchematicFile( const wxString& aFileName, SCHEMATIC* aSchematic,
 SCH_SHEET* aAppendToMe,
 const STRING_UTF8_MAP* aProperties )
{
 wxCHECK( !aFileName.IsEmpty() && aSchematic, nullptr );
 
 SCH_SHEET* rootSheet = nullptr;
 
 if( aAppendToMe )
 {
 wxCHECK_MSG( aSchematic->IsValid(), nullptr,
 wxS( "Can't append to a schematic with no root!" ) );
 
 rootSheet = &aSchematic->Root();
 }
 else
 {
 rootSheet = new SCH_SHEET( aSchematic );
 rootSheet->SetFileName( aFileName );
 aSchematic->SetRoot( rootSheet );
 }
 
 if( !rootSheet->GetScreen() )
 {
 SCH_SCREEN* screen = new SCH_SCREEN( aSchematic );
 
 screen->SetFileName( aFileName );
 rootSheet->SetScreen( screen );
 }
 
 SYMBOL_LIB_TABLE* libTable = PROJECT_SCH::SchSymbolLibTable( &aSchematic->Prj() );
 
 wxCHECK_MSG( libTable, nullptr, wxS( "Could not load symbol lib table." ) );
 LoadSchematic( aSchematic, rootSheet, aFileName );
 aSchematic->CurrentSheet().UpdateAllScreenReferences();
 
 return rootSheet;
}