kicad/eeschema/sch_io/database/sch_io_database.h

125 lines
4.1 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2022 Jon Evans <jon@craftyjon.com>
* Copyright (C) 2022-2023 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef SCH_IO_DATABASE_H_
#define SCH_IO_DATABASE_H_
#include <database/database_connection.h>
#include <sch_io/sch_io.h>
#include <sch_io/sch_io_mgr.h>
#include <wildcards_and_files_ext.h>
class DATABASE_LIB_SETTINGS;
struct DATABASE_LIB_TABLE;
/**
* A KiCad database library provides both symbol and footprint metadata, so there are "shim" plugins
* on both the symbol and footprint side of things that expose the database contents to the
* schematic and board editors. The architecture of these is slightly different from the other
* plugins because the backing file is just a configuration file rather than something that
* contains symbol or footprint data.
*/
class SCH_IO_DATABASE : public SCH_IO
{
public:
SCH_IO_DATABASE();
virtual ~SCH_IO_DATABASE();
const IO_BASE::IO_FILE_DESC GetLibraryDesc() const override
{
return IO_BASE::IO_FILE_DESC( _HKI( "KiCad database library files" ),
{ FILEEXT::DatabaseLibraryFileExtension } );
}
int GetModifyHash() const override { return 0; }
void EnumerateSymbolLib( wxArrayString& aSymbolNameList,
const wxString& aLibraryPath,
const STRING_UTF8_MAP* aProperties = nullptr ) override;
void EnumerateSymbolLib( std::vector<LIB_SYMBOL*>& aSymbolList,
const wxString& aLibraryPath,
const STRING_UTF8_MAP* aProperties = nullptr ) override;
LIB_SYMBOL* LoadSymbol( const wxString& aLibraryPath, const wxString& aAliasName,
const STRING_UTF8_MAP* aProperties = nullptr ) override;
bool SupportsSubLibraries() const override { return true; }
void GetSubLibraryNames( std::vector<wxString>& aNames ) override;
void GetAvailableSymbolFields( std::vector<wxString>& aNames ) override;
void GetDefaultSymbolFields( std::vector<wxString>& aNames ) override;
// Database libraries can never be written using the symbol editing API
bool IsLibraryWritable( const wxString& aLibraryPath ) override { return false; }
void SetLibTable( SYMBOL_LIB_TABLE* aTable ) override
{
m_libTable = aTable;
}
DATABASE_LIB_SETTINGS* Settings() const { return m_settings.get(); }
bool TestConnection( wxString* aErrorMsg = nullptr );
private:
void cacheLib();
void ensureSettings( const wxString& aSettingsPath );
void ensureConnection();
void connect();
std::unique_ptr<LIB_SYMBOL> loadSymbolFromRow( const wxString& aSymbolName,
const DATABASE_LIB_TABLE& aTable,
const DATABASE_CONNECTION::ROW& aRow );
static std::optional<bool> boolFromAny( const std::any& aVal );
SYMBOL_LIB_TABLE* m_libTable;
std::unique_ptr<DATABASE_LIB_SETTINGS> m_settings;
/// Generally will be null if no valid connection is established
std::unique_ptr<DATABASE_CONNECTION> m_conn;
std::set<wxString> m_customFields;
std::set<wxString> m_defaultShownFields;
std::map<wxString, std::unique_ptr<LIB_SYMBOL>> m_nameToSymbolcache;
long long m_cacheTimestamp;
int m_cacheModifyHash;
wxString m_lastError;
};
#endif //SCH_IO_DATABASE_H_