366 lines
17 KiB
C++
366 lines
17 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 CERN
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* Copyright (C) 2016-2023 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* @author Wayne Stambaugh <stambaughw@gmail.com>
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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 3
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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 along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SCH_IO_H_
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#define SCH_IO_H_
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#include <io/io_base.h>
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#include <sch_io/sch_io_mgr.h>
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#include <import_export.h>
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#include <map>
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#include <enum_vector.h>
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#include <reporter.h>
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#include <i18n_utility.h>
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#include <wx/arrstr.h>
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/**
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* Base class that schematic file and library loading and saving plugins should derive from.
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* Implementations can provide either LoadSchematicFile() or SaveSchematicFile() functions,
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* or both. SCH_IOs throw exceptions, so it is best that you wrap your calls to these
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* functions in a try catch block. Plugins throw exceptions because it is illegal
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* for them to have any user interface calls in them whatsoever, i.e. no windowing
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* or screen printing at all.
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*
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* <pre>
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* try
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* {
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* SCH_IO_MGR::LoadSchematicFile(...);
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* or
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* SCH_IO_MGR::SaveSchematicFile(...);
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* }
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* catch( const IO_ERROR& ioe )
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* {
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* // grab text from ioe, show in error window.
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* }
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* </pre>
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*/
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class SCH_IO : public IO_BASE
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{
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public:
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//-----<PUBLIC SCH_IO API>-------------------------------------------------
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/**
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* Returns schematic file description for the #SCH_IO.
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*/
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virtual const IO_BASE::IO_FILE_DESC GetSchematicFileDesc() const;
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/**
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* Checks if this SCH_IO can read the specified schematic file.
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* If not overriden, extension check is used.
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*/
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virtual bool CanReadSchematicFile( const wxString& aFileName ) const;
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/**
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* Return the modification hash from the library cache.
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*
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* @note This is temporary until the new s-expr file format is implement. The new file
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* format will embed symbols instead of referencing them from the library. This
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* function can be removed when the new file format is implemented.
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*
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* @return the modification hash of the library cache.
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*/
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virtual int GetModifyHash() const = 0;
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virtual void SaveLibrary( const wxString& aFileName, const STRING_UTF8_MAP* aProperties = nullptr );
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/**
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* Load information from some input file format that this #SCH_IO implementation
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* knows about, into either a new #SCH_SHEET or an existing one. This may be used to load an
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* entire new #SCH_SHEET, or to augment an existing one if \a aAppendToMe is not NULL.
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*
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* @param aFileName is the name of the file to use as input and may be foreign in
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* nature or native in nature.
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*
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* @param aKiway is the #KIWAY object used to access the symbol libraries loaded
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* by the project.
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*
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* @param aAppendToMe is an existing #SCH_SHEET to append to, but if NULL then this means
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* "do not append, rather load anew".
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*
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* @param aProperties is an associative array that can be used to tell the loader how to
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* load the file, because it can take any number of additional named
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* arguments that the plugin is known to support. These are tuning
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* parameters for the import or load. The caller continues to own
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* this object (plugin may not delete it), and plugins should expect
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* it to be optionally NULL.
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*
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* @return the successfully loaded schematic, or the same one as \a aAppendToMe
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* if \a aAppendToMe was not NULL, and the caller owns it.
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*
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* @throw IO_ERROR if there is a problem loading, and its contents should say what went
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* wrong, using line number and character offsets of the input file if
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* possible.
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*/
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virtual SCH_SHEET* LoadSchematicFile( const wxString& aFileName, SCHEMATIC* aSchematic,
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SCH_SHEET* aAppendToMe = nullptr,
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const STRING_UTF8_MAP* aProperties = nullptr );
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/**
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* Write \a aSchematic to a storage file in a format that this #SCH_IO implementation
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* knows about, or it can be used to write a portion of \a aSchematic to a special kind
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* of export file.
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*
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* @param aFileName is the name of a file to save to on disk.
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*
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* @param aSheet is the class #SCH_SHEET in memory document tree from which to extract
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* information when writing to \a aFileName. The caller continues to
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* own the SCHEMATIC, and the plugin should refrain from modifying the
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* SCHEMATIC if possible.
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*
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* @param aSchematic is the #SCHEMATIC object used to access any schematic-wide or project
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* information needed to save the document.
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*
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* @param aProperties is an associative array that can be used to tell the saver how to
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* save the file, because it can take any number of additional named
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* tuning arguments that the plugin is known to support. The caller
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* continues to own this object (plugin may not delete it), and plugins
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* should expect it to be optionally NULL. Set the
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* #PropSaveCurrentSheetOnly property to only save the current sheet.
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* Otherwise, all hierarchical sheets are saved.
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*
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* @throw IO_ERROR if there is a problem saving or exporting.
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*/
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virtual void SaveSchematicFile( const wxString& aFileName, SCH_SHEET* aSheet,
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SCHEMATIC* aSchematic,
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const STRING_UTF8_MAP* aProperties = nullptr );
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/**
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* Populate a list of #LIB_SYMBOL alias names contained within the library \a aLibraryPath.
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*
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* @param aSymbolNameList is an array to populate with the #LIB_SYMBOL names associated with
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* the library.
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*
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* @param aLibraryPath is a locator for the "library", usually a directory, file,
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* or URL containing one or more #LIB_SYMBOL objects.
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*
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* @param aProperties is an associative array that can be used to tell the plugin anything
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* needed about how to perform with respect to \a aLibraryPath. The
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* caller continues to own this object (plugin may not delete it), and
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* plugins should expect it to be optionally NULL.
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*
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* @throw IO_ERROR if the library cannot be found, the part library cannot be loaded.
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*/
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virtual void EnumerateSymbolLib( wxArrayString& aSymbolNameList, const wxString& aLibraryPath,
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const STRING_UTF8_MAP* aProperties = nullptr );
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/**
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* Populate a list of #LIB_SYMBOL aliases contained within the library \a aLibraryPath.
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*
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* @note It is the responsibility of the caller to delete the returned object from the heap.
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* Failure to do this will result in memory leaks.
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*
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* @param aSymbolList is an array to populate with the #LIB_SYMBOL pointers associated with
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* the library.
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*
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* @param aLibraryPath is a locator for the "library", usually a directory, file,
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* or URL containing one or more #LIB_SYMBOL objects.
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*
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* @param aProperties is an associative array that can be used to tell the plugin anything
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* needed about how to perform with respect to \a aLibraryPath. The
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* caller continues to own this object (plugin may not delete it), and
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* plugins should expect it to be optionally NULL.
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*
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* @throw IO_ERROR if the library cannot be found, the part library cannot be loaded.
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*/
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virtual void EnumerateSymbolLib( std::vector<LIB_SYMBOL*>& aSymbolList,
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const wxString& aLibraryPath,
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const STRING_UTF8_MAP* aProperties = nullptr );
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/**
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* Load a #LIB_SYMBOL object having \a aPartName from the \a aLibraryPath containing
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* a library format that this #SCH_IO knows about.
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*
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* @param aLibraryPath is a locator for the "library", usually a directory, file,
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* or URL containing several symbols.
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*
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* @param aPartName is the name of the #LIB_SYMBOL to load.
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*
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* @param aProperties is an associative array that can be used to tell the loader
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* implementation to do something special, because it can take
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* any number of additional named tuning arguments that the plugin
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* is known to support. The caller continues to own this object
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* (plugin may not delete it), and plugins should expect it to be
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* optionally NULL.
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*
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* @return the part created on the heap if found caller shares 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 aAliasName cannot be found.
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*/
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virtual LIB_SYMBOL* LoadSymbol( const wxString& aLibraryPath, const wxString& aPartName,
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const STRING_UTF8_MAP* aProperties = nullptr );
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/**
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* Write \a aSymbol to an existing library located at \a aLibraryPath. If a #LIB_SYMBOL
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* by the same name already exists or there are any conflicting alias names, the new
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* #LIB_SYMBOL will silently overwrite any existing aliases and/or part because libraries
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* cannot have duplicate alias names. It is the responsibility of the caller to check
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* the library for conflicts before saving.
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*
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* @param aLibraryPath is a locator for the "library", usually a directory, file,
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* or URL containing several symbols.
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*
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* @param aSymbol is what to store in the library. The library is refreshed and the
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* caller must update any #LIB_SYMBOL pointers that may have changed.
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*
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* @param aProperties is an associative array that can be used to tell the
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* saver how to save the symbol, because it can take any number of
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* additional named tuning arguments that the plugin is known to support.
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* The caller continues to own this object (plugin may not delete it), and
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* plugins should expect it to be optionally NULL.
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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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virtual void SaveSymbol( const wxString& aLibraryPath, const LIB_SYMBOL* aSymbol,
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const STRING_UTF8_MAP* aProperties = nullptr );
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/**
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* Delete the entire #LIB_SYMBOL associated with \a aAliasName from the library
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* \a aLibraryPath.
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*
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* @param aLibraryPath is a locator for the "library", usually a directory, file,
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* or URL containing several symbols.
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*
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* @param aSymbolName is the name of a #LIB_SYMBOL associated with it's root #LIB_SYMBOL
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* object to delete from the specified library.
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*
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* @param aProperties is an associative array that can be used to tell the library
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* delete function anything special, because it can take any number
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* of additional named tuning arguments that the plugin is known to
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* support. The caller continues to own this object (plugin may not
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* delete it), and plugins should expect it to be optionally NULL.
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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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virtual void DeleteSymbol( const wxString& aLibraryPath, const wxString& aSymbolName,
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const STRING_UTF8_MAP* aProperties = nullptr );
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/**
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* Append supported #SCH_IO options to \a aListToAppenTo along with internationalized
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* descriptions. Options are typically appended so that a derived SCH_IO can call
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* its base class function by the same name first, thus inheriting options declared there.
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* (Some base class options could pertain to all Symbol*() functions in all derived
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* SCH_IOs.) Note that since aListToAppendTo is a PROPERTIES object, all options
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* will be unique and last guy wins.
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*
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* @param aListToAppendTo holds a tuple of
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* <dl>
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* <dt>option</dt>
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* <dd>This eventually is what shows up into the fp-lib-table "options"
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* field, possibly combined with others.</dd>
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* <dt>internationalized description</dt>
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* <dd>The internationalized description is displayed in DIALOG_PLUGIN_OPTIONS.
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* It may be multi-line and be quite explanatory of the option.</dd>
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* </dl>
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* <br>
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* In the future perhaps \a aListToAppendTo evolves to something capable of also
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* holding a wxValidator for the cells in said dialog:
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* http://forums.wxwidgets.org/viewtopic.php?t=23277&p=104180.
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* This would require a 3 column list, and introducing wx GUI knowledge to
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* #SCH_IO, which has been avoided to date.
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*/
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virtual void GetLibraryOptions( STRING_UTF8_MAP* aListToAppendTo ) const override;
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/**
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* @return true if this plugin supports libraries that contain sub-libraries.
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*/
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virtual bool SupportsSubLibraries() const { return false; }
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/**
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* Retrieves a list of sub-libraries in this library.
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*
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* Some types of symbol library support sub-libraries, which are a single-level organizational
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* hierarchy that is implementation-defined per plugin. Most of KiCad ignores sub-libraries and
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* treats the hierarchy between library and symbol as flat, but the sub-libraries are used for
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* sorting and grouping symbols in the symbol chooser.
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*
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* Has no effect if SupportsSubLibraries() returns false.
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*
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* @param aNames will be filled with a list of sub-libraries within this symbol library
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*/
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virtual void GetSubLibraryNames( std::vector<wxString>& aNames ) {}
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/**
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* Retrieves a list of (custom) field names that are present on symbols in this library.
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* The plugin is responsible for guaranteeing that this list contains the set of unique
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* custom field names present on any symbols contained in the library.
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*
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* The required KiCad fields are not included in this list.
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*
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* @param aNames will be filled with any custom fields present in this library.
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*/
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virtual void GetAvailableSymbolFields( std::vector<wxString>& aNames ) {}
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/**
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* Retrieves a list of (custom) field names that should be shown by default for this library
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* in the symbol chooser. This list should be a subset of the result returned by
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* GetAvailableSymbolFields().
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*
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* The preference for which fields to hide and show for a given library is stored on a
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* per-library basis in a user's preferences (or in the project local settings for a project-
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* local library). The set of fields returned by GetDefaultSymbolFields() will be used if this
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* preference is missing.
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*
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* @param aNames will be filled with the custom field names that should be shown by default
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*/
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virtual void GetDefaultSymbolFields( std::vector<wxString>& aNames )
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{
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return GetAvailableSymbolFields( aNames );
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}
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/**
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* Return an error string to the caller.
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*
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* This is useful for schematic loaders that can load partial schematics where throwing
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* an exception would be problematic such as the KiCad legacy plugin.
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*
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* @return an unformatted string containing errors if any.
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*/
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virtual const wxString& GetError() const;
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/**
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* Some library plugins need to have access to their parent library table.
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* @param aTable is the table this plugin is registered within.
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*/
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virtual void SetLibTable( SYMBOL_LIB_TABLE* aTable ) {}
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//-----</PUBLIC SCH_IO API>------------------------------------------------
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/* The compiler writes the "zero argument" constructor for a SCH_IO
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automatically if you do not provide one. If you decide you need to
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provide a zero argument constructor of your own design, that is allowed.
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It must be public, and it is what the SCH_IO_MGR uses. Parameters may be
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passed into a SCH_IO via the PROPERTIES variable for any of the public
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API functions which take one.
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*/
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virtual ~SCH_IO() { }
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protected:
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SCH_IO( const wxString& aName ) : IO_BASE( aName )
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{}
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};
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#endif // SCH_IO_H_
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