/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2016-2017 Wayne Stambaugh * Copyright (C) 2016-2017 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 */ #ifndef _SYMBOL_LIB_TABLE_H_ #define _SYMBOL_LIB_TABLE_H_ #include #include class LIB_PART; /** * Class SYMBOL_LIB_TABLE_ROW * * holds a record identifying a library accessed by the appropriate footprint library #PLUGIN * object in the #SYMBOL_LIB_TABLE. */ class SYMBOL_LIB_TABLE_ROW : public LIB_TABLE_ROW { friend class SYMBOL_LIB_TABLE; public: typedef SCH_IO_MGR::SCH_FILE_T LIB_T; SYMBOL_LIB_TABLE_ROW( const wxString& aNick, const wxString& aURI, const wxString& aType, const wxString& aOptions = wxEmptyString, const wxString& aDescr = wxEmptyString ) : LIB_TABLE_ROW( aNick, aURI, aOptions, aDescr ) { SetType( aType ); } SYMBOL_LIB_TABLE_ROW() : type( SCH_IO_MGR::SCH_KICAD ) { } bool operator==( const SYMBOL_LIB_TABLE_ROW& aRow ) const; bool operator!=( const SYMBOL_LIB_TABLE_ROW& aRow ) const { return !( *this == aRow ); } /** * Function GetType * * returns the type of symbol library table represented by this row. */ const wxString GetType() const override { return SCH_IO_MGR::ShowType( type ); } /** * Function SetType * * changes the type represented by this row. */ void SetType( const wxString& aType ) override; protected: SYMBOL_LIB_TABLE_ROW( const SYMBOL_LIB_TABLE_ROW& aRow ) : LIB_TABLE_ROW( aRow ), type( aRow.type ) { } private: virtual LIB_TABLE_ROW* do_clone() const override { return new SYMBOL_LIB_TABLE_ROW( *this ); } void setPlugin( SCH_PLUGIN* aPlugin ) { plugin.set( aPlugin ); } SCH_PLUGIN::SCH_PLUGIN_RELEASER plugin; LIB_T type; }; class SYMBOL_LIB_TABLE : public LIB_TABLE { public: virtual void Parse( LIB_TABLE_LEXER* aLexer ) override; virtual void Format( OUTPUTFORMATTER* aOutput, int aIndentLevel ) const override; /** * Constructor SYMBOL_LIB_TABLE * * builds a footprint library table by pre-pending this table fragment in front of * @a aFallBackTable. Loading of this table fragment is done by using Parse(). * * @param aFallBackTable is another SYMBOL_LIB_TABLE which is searched only when * a row is not found in this table. No ownership is * taken of aFallBackTable. */ SYMBOL_LIB_TABLE( SYMBOL_LIB_TABLE* aFallBackTable = NULL ); /** * Function FindRow * * returns an SYMBOL_LIB_TABLE_ROW if \a aNickName is found in this table or in any chained * fallBack table fragment. The #PLUGIN is loaded and attached to the "plugin" field * of the #SYMBOL_LIB_TABLE_ROW if not already loaded. * * @throw IO_ERROR if \a aNickName cannot be found. */ const SYMBOL_LIB_TABLE_ROW* FindRow( const wxString& aNickName ); //-------------------------------- /** * Function EnumerateSymbolLib * * returns a list of symbol alias names contained within the library given by @a aNickname. * * @param aNickname is a locator for the "library", it is a "name" in LIB_TABLE_ROW. * @param aAliasNames is a reference to an array for the alias names * * @throw IO_ERROR if the library cannot be found or loaded. */ void EnumerateSymbolLib( const wxString& aNickname, wxArrayString& aAliasNames ); /** * Function LoadSymbol * * loads a #LIB_ALIAS having @a aAliasName from the library given by @a aNickname. * The actual symbol can be retreaved from the LIB_ALIAS::GetPart() method. * * @param aNickname is a locator for the "library", it is a "name" in #LIB_TABLE_ROW * * @param aAliasName is the name of the #LIB_ALIAS to load. * * @return LIB_ALIAS* - if found we own it, else NULL if not found. * * @throw IO_ERROR if the library cannot be found or read. No exception * is thrown in the case where aAliasName cannot be found. */ LIB_ALIAS* LoadSymbol( const wxString& aNickname, const wxString& aAliasName ); /** * Enum SAVE_T * * is the set of return values from SaveSymbol() below. */ enum SAVE_T { SAVE_OK, SAVE_SKIPPED, }; /** * Function SaveSymbol * * will write @a aSymbol to an existing library given by @a aNickname. If a #LIB_PART * by the same name already exists or there are any conflicting alias names, the new * #LIB_PART will silently overwrite any existing aliases and/or part becaue libraries * cannot have duplicate alias names. It is the responsibility of the caller to check * the library for conflicts before saving. * * @param aNickname is a locator for the "library", it is a "name" in LIB_TABLE_ROW * * @param aSymbol is what to store in the library. The library owns the symbol after this * call. * * @param aOverwrite when true means overwrite any existing symbol by the same name, * else if false means skip the write and return SAVE_SKIPPED. * * @return SAVE_T - SAVE_OK or SAVE_SKIPPED. If error saving, then IO_ERROR is thrown. * * @throw IO_ERROR if there is a problem saving. */ SAVE_T SaveSymbol( const wxString& aNickname, const LIB_PART* aSymbol, bool aOverwrite = true ); /** * Function DeleteSymbol * * deletes the @a aSymbolName from the library given by @a aNickname. * * @param aNickname is a locator for the "library", it is a "name" in LIB_TABLE_ROW. * * @param aSymbolName is the name of a symbol to delete from the specified library. * * @throw IO_ERROR if there is a problem finding the footprint or the library, or deleting it. */ void DeleteSymbol( const wxString& aNickname, const wxString& aSymbolName ); /** * Function DeleteAlias * * deletes @a aAliasName from the library at @a aLibraryPath. * * If @a aAliasName refers the the root #LIB_PART object, the part is renamed to * the next or previous #LIB_ALIAS in the #LIB_PART if one exists. If the #LIB_ALIAS * is the last alias referring to the root #LIB_PART, the #LIB_PART is also removed * from the library. * * @param aNickname is a locator for the "library", it is a "name" in LIB_TABLE_ROW * * @param aAliasName is the name of a #LIB_ALIAS to delete from the specified library. * * @throw IO_ERROR if there is a problem finding the alias or the library or deleting it. */ void DeleteAlias( const wxString& aNickname, const wxString& aAliasName ); /** * Function IsSymbolLibWritable * * returns true if the library given by @a aNickname is writable. (Often * system libraries are read only because of where they are installed.) * * @throw IO_ERROR if no library at @a aNickname exists. */ bool IsSymbolLibWritable( const wxString& aNickname ); void DeleteSymbolLib( const wxString& aNickname ); void CreateSymbolLib( const wxString& aNickname ); //-------------------------------- /** * Function LoadSymboldWithOptionalNickname * loads a #LIB_PART having @a aFootprintId with possibly an empty librarynickname. * * @param aId the library nickname and name of the symbol to load. * * @return LIB_PART* - if found the library owns it, else NULL if not found. * * @throw IO_ERROR if the library cannot be found or read. No exception * is thrown in the case where aId cannot be found. * @throw PARSE_ERROR if @a atId is not parsed OK. */ LIB_ALIAS* LoadSymbolWithOptionalNickname( const LIB_ID& aId ); /** * Function LoadGlobalTable * * loads the global symbol library table into \a aTable. * * This probably should be move into the application object when KiCad is changed * to a single process application. This is the least painful solution for the * time being. * * @param aTable the #SYMBOL_LIB_TABLE object to load. * @return true if the global library table exists and is loaded properly. * @throw IO_ERROR if an error occurs attempting to load the symbol library table. */ static bool LoadGlobalTable( SYMBOL_LIB_TABLE& aTable ); /** * Function GetGlobalTableFileName * * @return the platform specific global symbol library path and file name. */ static wxString GetGlobalTableFileName(); /** * Function GlobalPathEnvVarVariableName * * returns the name of the environment variable used to hold the directory of locally * installed "KiCad sponsored" system symbol libraries. These can be either legacy * or sweet format. The only thing special about this particular environment variable * is that it is set automatically by KiCad on program start up, if it is not * set already in the environment. */ static const wxString GlobalPathEnvVariableName(); static SYMBOL_LIB_TABLE& GetGlobalLibTable(); static const wxString& GetSymbolLibTableFileName(); }; #endif // _SYMBOL_LIB_TABLE_H_