kicad/eeschema/symbol_library_manager.h

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/*
* This program source code file is symbol of KiCad, a free EDA CAD application.
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*
* Copyright (C) 2017 CERN
* Copyright (C) 2019-2022 KiCad Developers, see AUTHORS.txt for contributors.
*
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* @author Maciej Suminski <maciej.suminski@cern.ch>
*
* 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 3
* 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 SYMBOLICULAR PURPOSE. See the
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* 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:
* https://www.gnu.org/licenses/gpl-3.0.html
* or you may search the http://www.gnu.org website for the version 3 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
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#ifndef SYMBOL_LIBRARY_MANAGER_H
#define SYMBOL_LIBRARY_MANAGER_H
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#include <map>
#include <list>
#include <deque>
#include <set>
#include <memory>
#include <wx/arrstr.h>
#include <sch_io_mgr.h>
#include <sch_screen.h>
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class LIB_SYMBOL;
class SYMBOL_LIB;
class PROGRESS_REPORTER;
class SCH_PLUGIN;
class SCH_BASE_FRAME;
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class SYMBOL_LIB_TABLE;
class SYMBOL_LIB_TABLE_ROW;
class LIB_LOGGER;
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/**
* Class to handle modifications to the symbol libraries.
*/
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class SYMBOL_LIBRARY_MANAGER
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{
public:
SYMBOL_LIBRARY_MANAGER( SCH_BASE_FRAME& aFrame );
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virtual ~SYMBOL_LIBRARY_MANAGER();
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/**
* Preloads all symbol libraries in the symbol library table using SYMBOL_ASYNC_LOADER.
* Call before the first call to Sync() to get better performance.
* @param aReporter is used to report progress of the load
*/
void Preload( PROGRESS_REPORTER& aReporter );
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int GetHash() const;
bool HasModifications() const;
/**
* Return a library hash value to determine if it has changed.
*
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* For buffered libraries, it returns a number corresponding to the number of modifications.
* For original libraries, hash is computed basing on the library URI. Returns -1 when the
* requested library does not exist.
*/
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int GetLibraryHash( const wxString& aLibrary ) const;
/**
* Return the array of library names.
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*/
wxArrayString GetLibraryNames() const;
/**
* Find a single library within the (aggregate) library table.
*/
SYMBOL_LIB_TABLE_ROW* GetLibrary( const wxString& aLibrary ) const;
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std::list<LIB_SYMBOL*> GetAliases( const wxString& aLibrary ) const;
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/**
* Create an empty library and adds it to the library table. The library file is created.
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*/
bool CreateLibrary( const wxString& aFilePath, SYMBOL_LIB_TABLE* aTable )
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{
return addLibrary( aFilePath, true, aTable );
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}
/**
* Add an existing library. The library is added to the library table as well.
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*/
bool AddLibrary( const wxString& aFilePath, SYMBOL_LIB_TABLE* aTable )
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{
return addLibrary( aFilePath, false, aTable );
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}
/**
* Update the symbol buffer with a new version of the symbol.
* The library buffer creates a copy of the symbol.
* It is required to save the library to use the updated symbol in the schematic editor.
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*/
bool UpdateSymbol( LIB_SYMBOL* aSymbol, const wxString& aLibrary );
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/**
* Update the symbol buffer with a new version of the symbol when the name has changed.
* The old library buffer will be deleted and a new one created with the new name.
*/
bool UpdateSymbolAfterRename( LIB_SYMBOL* aSymbol, const wxString& oldAlias,
const wxString& aLibrary );
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/**
* Remove the symbol from the symbol buffer.
* It is required to save the library to have the symbol removed in the schematic editor.
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*/
bool RemoveSymbol( const wxString& aName, const wxString& aLibrary );
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/**
* Return either an alias of a working LIB_SYMBOL copy, or alias of the original symbol if there
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* is no working copy.
*/
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LIB_SYMBOL* GetAlias( const wxString& aAlias, const wxString& aLibrary ) const;
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/**
* Return the symbol copy from the buffer. In case it does not exist yet, the copy is created.
* #SYMBOL_LIBRARY_MANAGER retains the ownership.
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*/
LIB_SYMBOL* GetBufferedSymbol( const wxString& aAlias, const wxString& aLibrary );
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/**
* Return the screen used to edit a specific symbol. #SYMBOL_LIBRARY_MANAGER retains the
* ownership.
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*/
SCH_SCREEN* GetScreen( const wxString& aAlias, const wxString& aLibrary );
/**
* Return true if symbol with a specific alias exists in library (either original one or
* buffered).
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*/
bool SymbolExists( const wxString& aAlias, const wxString& aLibrary ) const;
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/**
* Return true if library exists. If \a aCheckEnabled is set, then the library must
* also be enabled in the library table.
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*/
bool LibraryExists( const wxString& aLibrary, bool aCheckEnabled = false ) const;
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/**
* Return true if the library was successfully loaded.
*/
bool IsLibraryLoaded( const wxString& aLibrary ) const;
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/**
* Return true if library has unsaved modifications.
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*/
bool IsLibraryModified( const wxString& aLibrary ) const;
/**
* Return true if symbol has unsaved modifications.
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*/
bool IsSymbolModified( const wxString& aAlias, const wxString& aLibrary ) const;
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void SetSymbolModified( const wxString& aAlias, const wxString& aLibrary );
/**
* Clear the modified flag for all symbols in a library.
*/
bool ClearLibraryModified( const wxString& aLibrary ) const;
/**
* Clear the modified flag for a symbol.
*/
bool ClearSymbolModified( const wxString& aAlias, const wxString& aLibrary ) const;
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/**
* Return true if the library is stored in a read-only file.
*
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* @return True on success, false otherwise.
*/
bool IsLibraryReadOnly( const wxString& aLibrary ) const;
/**
* Save symbol changes to the library copy used by the schematic editor. Not it is not
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* necessarily saved to the file.
*
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* @return True on success, false otherwise.
*/
bool FlushSymbol( const wxString& aAlias, const wxString& aLibrary );
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/**
* Save library to a file, including unsaved changes.
*
* @param aLibrary is the library name.
* @param aFileName is the target file name.
* @return True on success, false otherwise.
*/
bool SaveLibrary( const wxString& aLibrary, const wxString& aFileName,
SCH_IO_MGR::SCH_FILE_T aFileType = SCH_IO_MGR::SCH_FILE_T::SCH_LEGACY );
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/**
* Revert unsaved changes for a symbolicular symbol.
*
* @return The LIB_ID of the reverted symbol (which may be different in the case
* of a rename)
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*/
LIB_ID RevertSymbol( const wxString& aAlias, const wxString& aLibrary );
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/**
* Revert unsaved changes for a symbolicular library.
*
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* @return True on success, false otherwise.
*/
bool RevertLibrary( const wxString& aLibrary );
/**
* Revert all pending changes.
*
* @return True if all changes successfully reverted.
*/
bool RevertAll();
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/**
* Return a library name that is not currently in use.
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* Used for generating names for new libraries.
*/
wxString GetUniqueLibraryName() const;
void GetRootSymbolNames( const wxString& aLibName, wxArrayString& aRootSymbolNames );
/**
* Check if symbol \a aSymbolName in library \a aLibraryName is a root symbol that
* has derived symbols.
*
* @return true if \aSymbolName in \a aLibraryName has derived symbols.
*/
bool HasDerivedSymbols( const wxString& aSymbolName, const wxString& aLibraryName );
size_t GetLibraryCount() const;
protected:
virtual void OnDataChanged() const {}
///< Extract library name basing on the file name.
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static wxString getLibraryName( const wxString& aFilePath );
///< Helper function to add either existing or create new library
bool addLibrary( const wxString& aFilePath, bool aCreate, SYMBOL_LIB_TABLE* aTable );
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///< Return the current Symbol Library Table.
SYMBOL_LIB_TABLE* symTable() const;
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///< Class to store a working copy of a LIB_SYMBOL object and editor context.
class SYMBOL_BUFFER
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{
public:
SYMBOL_BUFFER( LIB_SYMBOL* aSymbol = nullptr,
std::unique_ptr<SCH_SCREEN> aScreen = nullptr );
~SYMBOL_BUFFER();
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LIB_SYMBOL* GetSymbol() const { return m_symbol; }
void SetSymbol( LIB_SYMBOL* aSymbol );
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LIB_SYMBOL* GetOriginal() const { return m_original; }
void SetOriginal( LIB_SYMBOL* aSymbol );
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bool IsModified() const;
SCH_SCREEN* GetScreen() const { return m_screen.get(); }
///< Transfer the screen ownership
std::unique_ptr<SCH_SCREEN> RemoveScreen()
{
return std::move( m_screen );
}
bool SetScreen( std::unique_ptr<SCH_SCREEN> aScreen )
{
bool ret = !!m_screen;
m_screen = std::move( aScreen );
return ret;
}
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private:
std::unique_ptr<SCH_SCREEN> m_screen;
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LIB_SYMBOL* m_symbol; // Working copy
LIB_SYMBOL* m_original; // Initial state of the symbol
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};
///< Store a working copy of a library.
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class LIB_BUFFER
{
public:
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LIB_BUFFER( const wxString& aLibrary ) :
m_libName( aLibrary ),
m_hash( 1 )
{ }
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bool IsModified() const
{
if( !m_deleted.empty() )
return true;
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for( const std::shared_ptr<SYMBOL_BUFFER>& symbolBuf : m_symbols )
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{
if( symbolBuf->IsModified() )
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return true;
}
return false;
}
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int GetHash() const { return m_hash; }
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///< Return the working copy of a LIB_SYMBOL root object with specified alias.
LIB_SYMBOL* GetSymbol( const wxString& aAlias ) const;
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///< Create a new buffer to store a symbol. LIB_BUFFER takes ownership of aCopy.
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bool CreateBuffer( LIB_SYMBOL* aCopy, SCH_SCREEN* aScreen );
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///< Update the buffered symbol with the contents of \a aCopy.
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bool UpdateBuffer( std::shared_ptr<SYMBOL_BUFFER> aSymbolBuf, LIB_SYMBOL* aCopy );
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bool DeleteBuffer( std::shared_ptr<SYMBOL_BUFFER> aSymbolBuf );
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void ClearDeletedBuffer()
{
m_deleted.clear();
}
///< Save stored modifications to Symbol Lib Table. It may result in saving the symbol
///< to disk as well, depending on the row properties.
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bool SaveBuffer( std::shared_ptr<SYMBOL_BUFFER> aSymbolBuf, SYMBOL_LIB_TABLE* aLibTable );
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///< Save stored modifications using a plugin. aBuffer decides whether the changes
///< should be cached or stored directly to the disk (for SCH_LEGACY_PLUGIN).
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bool SaveBuffer( std::shared_ptr<SYMBOL_BUFFER> aSymbolBuf, const wxString& aFileName,
SCH_PLUGIN* aPlugin, bool aBuffer );
///< Return a symbol buffer with LIB_SYMBOL holding a symbolicular alias
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std::shared_ptr<SYMBOL_BUFFER> GetBuffer( const wxString& aAlias ) const;
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///< Return all buffered symbols
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const std::deque< std::shared_ptr<SYMBOL_BUFFER> >& GetBuffers() const { return m_symbols; }
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/**
* Check to see any symbols in the buffer are derived from a parent named \a aParentName.
*
* @param aParentName is the name of the parent to test.
* @return true if any symbols are found derived from a symbol named \a aParent, otherwise
* false.
*/
bool HasDerivedSymbols( const wxString& aParentName ) const;
/**
* Fetch a list of root symbols names from the library buffer.
*
* @param aRootSymbolNames is a reference to a list to populate with root symbol names.
*/
void GetRootSymbolNames( wxArrayString& aRootSymbolNames );
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/**
* Fetch all of the symbols derived from a \a aSymbolName into \a aList.
*
* @param aSymbolName is the name of the symbol to search for derived symbols in this
* buffer.
* @param aList is the list of symbols names derived from \a aSymbolName.
* @return a size_t count of the number of symbols derived from \a aSymbolName.
*/
size_t GetDerivedSymbolNames( const wxString& aSymbolName, wxArrayString& aList );
private:
/**
* Remove all symbols derived from \a aParent from the library buffer.
*
* @param aParent is the #SYMBOL_BUFFER to check against.
* @return the count of #SYMBOL_BUFFER objects removed from the library.
*/
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int removeChildSymbols( std::shared_ptr<SYMBOL_BUFFER> aSymbolBuf );
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std::deque< std::shared_ptr<SYMBOL_BUFFER> > m_symbols;
///< Buffer for deleted symbols until library is saved.
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std::deque< std::shared_ptr<SYMBOL_BUFFER> > m_deleted;
const wxString m_libName; // Buffered library name
int m_hash;
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};
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/**
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* Return a set of #LIB_SYMBOL objects belonging to the original library.
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*/
std::set<LIB_SYMBOL*> getOriginalSymbols( const wxString& aLibrary );
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/**
* Return an existing library buffer or creates one to using Symbol Library Table to get
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* the original data.
*/
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LIB_BUFFER& getLibraryBuffer( const wxString& aLibrary );
///< The library buffers
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std::map<wxString, LIB_BUFFER> m_libs;
SCH_BASE_FRAME& m_frame; ///< Parent frame
LIB_LOGGER* m_logger;
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};
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#endif /* SYMBOL_LIBRARY_MANAGER_H */