288 lines
10 KiB
C++
288 lines
10 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2016-2017 Wayne Stambaugh <stambaughw@verizon.net>
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* Copyright (C) 2016-2017 KiCad Developers, see change_log.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef _SYMBOL_LIB_TABLE_H_
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#define _SYMBOL_LIB_TABLE_H_
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#include <lib_table_base.h>
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#include <sch_io_mgr.h>
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class LIB_PART;
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/**
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* Hold a record identifying a symbol library accessed by the appropriate symbol library
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* #SCH_PLUGIN object in the #SYMBOL_LIB_TABLE.
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*/
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class SYMBOL_LIB_TABLE_ROW : public LIB_TABLE_ROW
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{
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friend class SYMBOL_LIB_TABLE;
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public:
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typedef SCH_IO_MGR::SCH_FILE_T LIB_T;
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SYMBOL_LIB_TABLE_ROW( const wxString& aNick, const wxString& aURI, const wxString& aType,
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const wxString& aOptions = wxEmptyString,
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const wxString& aDescr = wxEmptyString ) :
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LIB_TABLE_ROW( aNick, aURI, aOptions, aDescr )
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{
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SetType( aType );
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}
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SYMBOL_LIB_TABLE_ROW() :
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type( SCH_IO_MGR::SCH_KICAD )
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{
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}
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bool operator==( const SYMBOL_LIB_TABLE_ROW& aRow ) const;
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bool operator!=( const SYMBOL_LIB_TABLE_ROW& aRow ) const { return !( *this == aRow ); }
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/**
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* Return the type of symbol library table represented by this row.
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*/
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const wxString GetType() const override { return SCH_IO_MGR::ShowType( type ); }
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/**
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* Change the schematic plugin type represented by this row.
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*/
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void SetType( const wxString& aType ) override;
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protected:
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SYMBOL_LIB_TABLE_ROW( const SYMBOL_LIB_TABLE_ROW& aRow ) :
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LIB_TABLE_ROW( aRow ),
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type( aRow.type )
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{
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}
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private:
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virtual LIB_TABLE_ROW* do_clone() const override
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{
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return new SYMBOL_LIB_TABLE_ROW( *this );
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}
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void setPlugin( SCH_PLUGIN* aPlugin )
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{
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plugin.set( aPlugin );
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}
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SCH_PLUGIN::SCH_PLUGIN_RELEASER plugin;
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LIB_T type;
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};
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class SYMBOL_LIB_TABLE : public LIB_TABLE
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{
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public:
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virtual void Parse( LIB_TABLE_LEXER* aLexer ) override;
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virtual void Format( OUTPUTFORMATTER* aOutput, int aIndentLevel ) const override;
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/**
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* Build a symbol library table by pre-pending this table fragment in front of
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* @a aFallBackTable. Loading of this table fragment is done by using Parse().
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*
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* @param aFallBackTable is another SYMBOL_LIB_TABLE which is searched only when
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* a row is not found in this table. No ownership is
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* taken of aFallBackTable.
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*/
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SYMBOL_LIB_TABLE( SYMBOL_LIB_TABLE* aFallBackTable = NULL );
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/**
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* Return an SYMBOL_LIB_TABLE_ROW if \a aNickName is found in this table or in any chained
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* fallBack table fragment.
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*
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* The #SCH_PLUGIN is loaded and attached to the "plugin" fieldf the #SYMBOL_LIB_TABLE_ROW if
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* not already loaded.
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*
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* @param aNickName is the name of the row to find.
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*
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* @return the row found or NULL if \a aNickName was not found.
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*
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* @throw IO_ERROR if \a aNickName cannot be found.
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*/
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const SYMBOL_LIB_TABLE_ROW* FindRow( const wxString& aNickName );
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//-----<PLUGIN API SUBSET, REBASED ON aNickname>---------------------------
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/**
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* Return a list of symbol alias names contained within the library given by @a aNickname.
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*
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* @param aNickname is a locator for the "library", it is a "name" in LIB_TABLE_ROW.
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* @param aAliasNames is a reference to an array for the alias names
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*
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* @throw IO_ERROR if the library cannot be found or loaded.
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*/
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void EnumerateSymbolLib( const wxString& aNickname, wxArrayString& aAliasNames );
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/**
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* Load a #LIB_ALIAS having @a aAliasName from the library given by @a aNickname.
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*
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* The actual symbol can be retreaved from the LIB_ALIAS::GetPart() method.
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*
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* @param aNickname is a locator for the "library", it is a "name" in #LIB_TABLE_ROW
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* @param aAliasName is the name of the #LIB_ALIAS to load.
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*
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* @return the symbol alias if found or NULL if not found.
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*
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* @throw IO_ERROR if the library cannot be found or read. No exception
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* is thrown in the case where aAliasName cannot be found.
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*/
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LIB_ALIAS* LoadSymbol( const wxString& aNickname, const wxString& aAliasName );
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LIB_ALIAS* LoadSymbol( const LIB_ID& aLibId )
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{
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return LoadSymbol( aLibId.GetLibNickname(), aLibId.GetLibItemName() );
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}
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/**
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* The set of return values from SaveSymbol() below.
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*/
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enum SAVE_T
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{
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SAVE_OK,
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SAVE_SKIPPED,
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};
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/**
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* Write @a aSymbol to an existing library given by @a aNickname.
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*
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* If a #LIB_PART by the same name already exists or there are any conflicting alias
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* names, the new #LIB_PART will silently overwrite any existing aliases and/or part
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* becaue libraries cannot have duplicate alias names. It is the responsibility of
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* the caller to check the library for conflicts before saving.
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*
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* @param aNickname is a locator for the "library", it is a "name" in LIB_TABLE_ROW
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* @param aSymbol is what to store in the library. The library owns the symbol after this
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* call.
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* @param aOverwrite when true means overwrite any existing symbol by the same name,
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* else if false means skip the write and return SAVE_SKIPPED.
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*
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* @return SAVE_T - SAVE_OK or SAVE_SKIPPED. If error saving, then IO_ERROR is thrown.
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*
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* @throw IO_ERROR if there is a problem saving the symbol.
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*/
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SAVE_T SaveSymbol( const wxString& aNickname, const LIB_PART* aSymbol,
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bool aOverwrite = true );
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/**
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* Deletes the @a aSymbolName from the library given by @a aNickname.
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*
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* @param aNickname is a locator for the "library", it is a "name" in LIB_TABLE_ROW.
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*
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* @param aSymbolName is the name of a symbol to delete from the specified library.
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*
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* @throw IO_ERROR if there is a problem finding the footprint or the library, or deleting it.
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*/
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void DeleteSymbol( const wxString& aNickname, const wxString& aSymbolName );
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/**
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* Delete @a aAliasName from the library at @a aLibraryPath.
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*
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* If @a aAliasName refers the the root #LIB_PART object, the part is renamed to
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* the next or previous #LIB_ALIAS in the #LIB_PART if one exists. If the #LIB_ALIAS
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* is the last alias referring to the root #LIB_PART, the #LIB_PART is also removed
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* from the library.
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*
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* @param aNickname is a locator for the "library", it is a "name" in LIB_TABLE_ROW
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*
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* @param aAliasName is the name of a #LIB_ALIAS to delete from the specified library.
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*
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* @throw IO_ERROR if there is a problem finding the alias or the library or deleting it.
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*/
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void DeleteAlias( const wxString& aNickname, const wxString& aAliasName );
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/**
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* Return true if the library given by @a aNickname is writable.
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*
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* It is possible that some symbols libraries are read only because of where they are
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* installed.
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*
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* @param aNickname is the library nickname in the symbol library table.
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*
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* @throw IO_ERROR if no library at @a aNickname exists.
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*/
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bool IsSymbolLibWritable( const wxString& aNickname );
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void DeleteSymbolLib( const wxString& aNickname );
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void CreateSymbolLib( const wxString& aNickname );
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//-----</PLUGIN API SUBSET, REBASED ON aNickname>---------------------------
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/**
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* Load a #LIB_PART having @a aFootprintId with possibly an empty library nickname.
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*
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* @param aId the library nickname and name of the symbol to load.
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*
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* @return the library symbol if found (the library owns it) or NULL if not found.
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*
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* @throw IO_ERROR if the library cannot be found or read. No exception
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* is thrown in the case where aId cannot be found.
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* @throw PARSE_ERROR if @a aId is not parsed OK.
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*/
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LIB_ALIAS* LoadSymbolWithOptionalNickname( const LIB_ID& aId );
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/**
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* Load the global symbol library table into \a aTable.
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*
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* This probably should be move into the application object when KiCad is changed
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* to a single process application. This is the least painful solution for the
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* time being.
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*
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* @param aTable the #SYMBOL_LIB_TABLE object to load.
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*
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* @return true if the global library table exists and is loaded properly.
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*
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* @throw IO_ERROR if an error occurs attempting to load the symbol library table.
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*/
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static bool LoadGlobalTable( SYMBOL_LIB_TABLE& aTable );
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/**
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*
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* Fetch the global symbol library table file name.
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*
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* @return the platform specific global symbol library path and file name.
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*/
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static wxString GetGlobalTableFileName();
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/**
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* Return the name of the environment variable used to hold the directory of locally
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* installed "KiCad sponsored" system symbol libraries.
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*
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* These can be either legacy or sweet format. The only thing special about this
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* particular environment variable is that it is set automatically by KiCad on
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* program start up, <b>if</b> it is not set already in the environment.
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*/
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static const wxString GlobalPathEnvVariableName();
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static SYMBOL_LIB_TABLE& GetGlobalLibTable();
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static const wxString& GetSymbolLibTableFileName();
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};
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#endif // _SYMBOL_LIB_TABLE_H_
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