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https://gitlab.com/kicad/code/kicad.git
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54f066fed7
This change completely removes the LIB_ALIAS design pattern an replaces it by allowing LIB_PART objects to inherit from other LIB_PART objects. The initial implementation only allows for single inheritance and only supports the mandatory fields in the derived part because that is all that the current symbol library file format will support. Once the new file format is implemented and saving to the old file format is deprecated, more complex inheritance will be added. The LIB_ALIAS information saved in the document files was move into the LIB_PART object. This change impacts virtually every part of the schematic and symbol library editor code so this commit message is woefully incomplete. REMOVE: Removed the symbol aliases concept from the schematic and symbol editors and the symbol viewer. NEW: Replace the symbol alias concept with simple inheritance that allows a library symbol to be derived from another library symbol.
68 lines
2.1 KiB
C++
68 lines
2.1 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) 2018 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 LIB_TREE_ITEM_H
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#define LIB_TREE_ITEM_H
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#include <base_struct.h>
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#include <lib_id.h>
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#include <import_export.h>
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/**
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* A mix-in to provide polymorphism between items stored in libraries (symbols, aliases
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* and footprints).
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*
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* It is used primarily to drive the component tree for library browsing and editing.
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*/
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class APIEXPORT LIB_TREE_ITEM
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{
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public:
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virtual LIB_ID GetLibId() const = 0;
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virtual const wxString GetName() const = 0;
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virtual wxString GetLibNickname() const = 0;
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virtual const wxString GetDescription() = 0;
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virtual wxString GetSearchText() { return wxEmptyString; }
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/**
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* For items having aliases, IsRoot() indicates the principal item.
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*/
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virtual bool IsRoot() const { return true; }
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/**
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* For items with units, return the number of units.
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*/
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virtual int GetUnitCount() const { return 0; }
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/**
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* For items with units, return an identifier for unit x.
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*/
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virtual wxString GetUnitReference( int aUnit ) { return wxEmptyString; }
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};
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#endif //LIB_TREE_ITEM_H
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