310 lines
10 KiB
C++
310 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) 2010-2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 2012-2017 Wayne Stambaugh <stambaughw@verizon.net>
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* Copyright (C) 2012-2017 KiCad Developers, see AUTHORS.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 FP_LIB_TABLE_H_
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#define FP_LIB_TABLE_H_
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#include <lib_table_base.h>
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#include <io_mgr.h>
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class MODULE;
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class FP_LIB_TABLE_GRID;
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/**
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* Class FP_LIB_TABLE_ROW
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*
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* holds a record identifying a library accessed by the appropriate footprint library #PLUGIN
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* object in the #FP_LIB_TABLE.
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*/
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class FP_LIB_TABLE_ROW : public LIB_TABLE_ROW
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{
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friend class FP_LIB_TABLE;
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public:
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typedef IO_MGR::PCB_FILE_T LIB_T;
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FP_LIB_TABLE_ROW( const wxString& aNick, const wxString& aURI, const wxString& aType,
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const wxString& aOptions, 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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FP_LIB_TABLE_ROW() :
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type( IO_MGR::KICAD_SEXP )
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{
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}
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bool operator==( const FP_LIB_TABLE_ROW& aRow ) const;
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bool operator!=( const FP_LIB_TABLE_ROW& aRow ) const { return !( *this == aRow ); }
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/**
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* Function GetType
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*
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* returns the type of footprint library table represented by this row.
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*/
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const wxString GetType() const override { return IO_MGR::ShowType( type ); }
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/**
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* Function SetType
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*
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* changes the 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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FP_LIB_TABLE_ROW( const FP_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 FP_LIB_TABLE_ROW( *this );
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}
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void setPlugin( PLUGIN* aPlugin )
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{
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plugin.set( aPlugin );
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}
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PLUGIN::RELEASER plugin;
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LIB_T type;
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};
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class FP_LIB_TABLE : public LIB_TABLE
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{
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friend class FP_LIB_TABLE_GRID;
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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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* Constructor FP_LIB_TABLE
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*
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* builds a footprint 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 FP_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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FP_LIB_TABLE( FP_LIB_TABLE* aFallBackTable = NULL );
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bool operator==( const FP_LIB_TABLE& aFpTable ) const;
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bool operator!=( const FP_LIB_TABLE& r ) const { return !( *this == r ); }
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/**
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* Function FindRow
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*
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* returns an FP_LIB_TABLE_ROW if \a aNickName is found in this table or in any chained
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* fallBack table fragment. The #PLUGIN is loaded and attached to the "plugin" field
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* of the #FP_LIB_TABLE_ROW if not already loaded.
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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 FP_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 footprint names contained within the library given by @a aNickname.
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*
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* @param aFootprintNames is the list to fill with the footprint names found in \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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* @throw IO_ERROR if the library cannot be found, or footprint cannot be loaded.
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*/
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void FootprintEnumerate( wxArrayString& aFootprintNames, const wxString& aNickname );
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/**
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* Generate a hashed timestamp representing the last-mod-times of the library indicated
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* by \a aNickname, or all libraries if \a aNickname is NULL.
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*/
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long long GenerateTimestamp( const wxString* aNickname );
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/**
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* Function PrefetchLib
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* If possible, prefetches the specified library (e.g. performing downloads). Does not parse.
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* Threadsafe.
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*
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* This is a no-op for libraries that cannot be prefetched.
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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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* @throw IO_ERROR if there is an error prefetching the library.
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*/
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void PrefetchLib( const wxString& aNickname );
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/**
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* Function FootprintLoad
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*
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* loads a footprint having @a aFootprintName 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 aFootprintName is the name of the footprint to load.
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*
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* @return MODULE* - if found caller owns it, else 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 aFootprintName cannot be found.
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*/
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MODULE* FootprintLoad( const wxString& aNickname, const wxString& aFootprintName );
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/**
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* Function GetEnumeratedFootprint
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*
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* a version of FootprintLoad() for use after FootprintEnumerate() for more efficient
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* cache management. Return value is const to allow it to return a reference to a cached
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* item.
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*/
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const MODULE* GetEnumeratedFootprint( const wxString& aNickname,
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const wxString& aFootprintName );
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/**
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* Enum SAVE_T
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* is the set of return values from FootprintSave() 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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* Function FootprintSave
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*
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* will write @a aFootprint to an existing library given by @a aNickname.
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* If a footprint by the same name already exists, it is replaced.
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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 aFootprint is what to store in the library. The caller continues to own the
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* footprint after this call.
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*
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* @param aOverwrite when true means overwrite any existing footprint 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.
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*/
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SAVE_T FootprintSave( const wxString& aNickname, const MODULE* aFootprint,
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bool aOverwrite = true );
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/**
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* Function FootprintDelete
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*
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* deletes the @a aFootprintName 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 aFootprintName is the name of a footprint 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 FootprintDelete( const wxString& aNickname, const wxString& aFootprintName );
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/**
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* Function IsFootprintLibWritable
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*
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* returns true if the library given by @a aNickname is writable. (Often
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* system libraries are read only because of where they are installed.)
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*
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* @throw IO_ERROR if no library at aLibraryPath exists.
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*/
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bool IsFootprintLibWritable( const wxString& aNickname );
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void FootprintLibDelete( const wxString& aNickname );
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void FootprintLibCreate( const wxString& aNickname );
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//-----</PLUGIN API SUBSET, REBASED ON aNickname>---------------------------
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/**
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* Function FootprintLoadWithOptionalNickname
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* loads a footprint having @a aFootprintId with possibly an empty nickname.
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*
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* @param aFootprintId the [nickname] & footprint name of the footprint to load.
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*
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* @return MODULE* - if found caller owns it, else 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 aFootprintName cannot be found.
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* @throw PARSE_ERROR if @a aFootprintId is not parsed OK.
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*/
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MODULE* FootprintLoadWithOptionalNickname( const LIB_ID& aFootprintId );
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/**
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* Function LoadGlobalTable
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* loads the global footprint 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 #FP_LIB_TABLE object to load.
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* @return true if the global library table exists and is loaded properly.
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* @throw IO_ERROR if an error occurs attempting to load the footprint library
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* table.
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*/
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static bool LoadGlobalTable( FP_LIB_TABLE& aTable );
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/**
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* Function GetGlobalTableFileName
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*
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* @return the platform specific global footprint library path and file name.
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*/
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static wxString GetGlobalTableFileName();
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/**
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* Function GlobalPathEnvVarVariableName
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*
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* returns the name of the environment variable used to hold the directory of
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* locally installed "KiCad sponsored" system footprint libraries. These can
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* be either legacy or pretty format. The only thing special about this
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* particular environment variable is that it is set automatically by
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* KiCad on 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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};
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extern FP_LIB_TABLE GFootprintTable; // KIFACE scope.
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#endif // FP_LIB_TABLE_H_
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