kicad/eeschema/lib_symbol.h

735 lines
26 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004-2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2008 Wayne Stambaugh <stambaughw@gmail.com>
* Copyright (C) 2004-2022 KiCad Developers, see change_log.txt for contributors.
*
* 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 2
* 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 PARTICULAR PURPOSE. See the
* 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:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef CLASS_LIBENTRY_H
#define CLASS_LIBENTRY_H
#include <general.h>
#include <lib_tree_item.h>
#include <lib_item.h>
#include <lib_field.h>
#include <vector>
#include <multivector.h>
class LINE_READER;
class OUTPUTFORMATTER;
class SYMBOL_LIB;
class LIB_SYMBOL;
class LIB_FIELD;
class TEST_LIB_SYMBOL_FIXTURE;
typedef std::shared_ptr<LIB_SYMBOL> LIB_SYMBOL_SPTR; ///< shared pointer to LIB_SYMBOL
typedef std::weak_ptr<LIB_SYMBOL> LIB_SYMBOL_REF; ///< weak pointer to LIB_SYMBOL
typedef MULTIVECTOR<LIB_ITEM, LIB_SHAPE_T, LIB_FIELD_T> LIB_ITEMS_CONTAINER;
typedef LIB_ITEMS_CONTAINER::ITEM_PTR_VECTOR LIB_ITEMS;
/* values for member .m_options */
enum LIBRENTRYOPTIONS
{
ENTRY_NORMAL, // Libentry is a standard symbol (real or alias)
ENTRY_POWER // Libentry is a power symbol
};
extern bool operator<( const LIB_SYMBOL& aItem1, const LIB_SYMBOL& aItem2 );
struct LIB_SYMBOL_OPTIONS
{
TRANSFORM transform; // Coordinate adjustment settings
bool force_draw_pin_text; // Whether or not to force the drawing of pin names and numbers
bool draw_visible_fields; // Whether to draw "visible" fields
bool draw_hidden_fields; // Whether to draw "hidden" fields
bool show_elec_type; // Whether to show the pin electrical type
bool show_connect_point; // Whether to show the pin connect point marker (small circle)
// useful in dialog pin properties
LIB_SYMBOL_OPTIONS()
{
transform = DefaultTransform;
force_draw_pin_text = false;
draw_visible_fields = true;
draw_hidden_fields = true;
show_elec_type = false;
show_connect_point = false;
}
};
struct LIB_SYMBOL_UNIT
{
int m_unit; ///< The unit number.
int m_convert; ///< The alternate body style of the unit.
std::vector<LIB_ITEM*> m_items; ///< The items unique to this unit and alternate body style.
};
/**
* Define a library symbol object.
*
* A library symbol object is typically saved and loaded in a symbol library file (.lib).
* Library symbols are different from schematic symbols.
*/
class LIB_SYMBOL : public EDA_ITEM, public LIB_TREE_ITEM
{
public:
LIB_SYMBOL( const wxString& aName, LIB_SYMBOL* aParent = nullptr,
SYMBOL_LIB* aLibrary = nullptr );
LIB_SYMBOL( const LIB_SYMBOL& aSymbol, SYMBOL_LIB* aLibrary = nullptr );
virtual ~LIB_SYMBOL();
///< http://www.boost.org/doc/libs/1_55_0/libs/smart_ptr/sp_techniques.html#weak_without_shared
LIB_SYMBOL_SPTR SharedPtr() const { return m_me; }
/**
* Create a copy of a LIB_SYMBOL and assigns unique KIIDs to the copy and its children.
*/
virtual LIB_SYMBOL* Duplicate() const
{
LIB_SYMBOL* dupe = new LIB_SYMBOL( *this, m_library );
const_cast<KIID&>( dupe->m_Uuid ) = KIID();
for( LIB_ITEM& item : dupe->m_drawings )
const_cast<KIID&>( item.m_Uuid ) = KIID();
return dupe;
}
void SetParent( LIB_SYMBOL* aParent = nullptr );
LIB_SYMBOL_REF& GetParent() { return m_parent; }
const LIB_SYMBOL_REF& GetParent() const { return m_parent; }
void ClearCaches();
virtual wxString GetClass() const override
{
return wxT( "LIB_SYMBOL" );
}
virtual void SetName( const wxString& aName );
wxString GetName() const override { return m_name; }
LIB_ID& LibId() { return m_libId; }
LIB_ID GetLibId() const override { return m_libId; }
void SetLibId( const LIB_ID& aLibId ) { m_libId = aLibId; }
wxString GetLibNickname() const override { return GetLibraryName(); }
void SetDescription( const wxString& aDescription ) { m_description = aDescription; }
wxString GetDescription() override
{
if( m_description.IsEmpty() && IsAlias() )
{
if( LIB_SYMBOL_SPTR parent = m_parent.lock() )
return parent->GetDescription();
}
return m_description;
}
void SetKeyWords( const wxString& aKeyWords ) { m_keyWords = aKeyWords; }
wxString GetKeyWords() const
{
if( m_keyWords.IsEmpty() && IsAlias() )
{
if( LIB_SYMBOL_SPTR parent = m_parent.lock() )
return parent->GetKeyWords();
}
return m_keyWords;
}
wxString GetSearchText() override;
wxString GetFootprint() override
{
return GetFootprintField().GetText();
}
/**
* For symbols derived from other symbols, IsRoot() indicates no derivation.
*/
bool IsRoot() const override { return m_parent.use_count() == 0; }
bool IsAlias() const { return !m_parent.expired() && m_parent.use_count() > 0; }
const wxString GetLibraryName() const;
SYMBOL_LIB* GetLib() const { return m_library; }
void SetLib( SYMBOL_LIB* aLibrary ) { m_library = aLibrary; }
timestamp_t GetLastModDate() const { return m_lastModDate; }
void SetFPFilters( const wxArrayString& aFilters ) { m_fpFilters = aFilters; }
wxArrayString GetFPFilters() const
{
if( m_fpFilters.IsEmpty() && IsAlias() )
{
if( LIB_SYMBOL_SPTR parent = m_parent.lock() )
return parent->GetFPFilters();
}
return m_fpFilters;
}
void ViewGetLayers( int aLayers[], int& aCount ) const override;
/**
* Get the bounding box for the symbol.
*
* @return the symbol bounding box ( in user coordinates )
* @param aUnit = unit selection = 0, or 1..n
* @param aConvert = 0, 1 or 2
* If aUnit == 0, unit is not used
* if aConvert == 0 Convert is non used
* Invisible fields are not taken in account
**/
const BOX2I GetUnitBoundingBox( int aUnit, int aConvert ) const;
/**
* Get the symbol bounding box excluding fields.
*
* @return the symbol bounding box ( in user coordinates ) without fields
* @param aUnit = unit selection = 0, or 1..n
* @param aConvert = 0, 1 or 2
* If aUnit == 0, unit is not used
* if aConvert == 0 Convert is non used
* Fields are not taken in account
**/
const BOX2I GetBodyBoundingBox( int aUnit, int aConvert, bool aIncludePins,
bool aIncludePrivateItems ) const;
const BOX2I GetBoundingBox() const override
{
return GetUnitBoundingBox( 0, 0 );
}
bool IsPower() const;
bool IsNormal() const;
void SetPower();
void SetNormal();
/**
* Set interchangeable the property for symbol units.
* @param aLockUnits when true then units are set as not interchangeable.
*/
void LockUnits( bool aLockUnits ) { m_unitsLocked = aLockUnits; }
/**
* Check whether symbol units are interchangeable.
* @return False when interchangeable, true otherwise.
*/
bool UnitsLocked() const { return m_unitsLocked; }
/**
* Overwrite all the existing fields in this symbol with fields supplied
* in \a aFieldsList.
*
* The only known caller of this function is the library symbol field editor, and it
* establishes needed behavior.
*
* @param aFieldsList is a set of fields to import, removing all previous fields.
*/
void SetFields( const std::vector <LIB_FIELD>& aFieldsList );
/**
* Return a list of fields within this symbol.
*
* @param aList - List to add fields to
*/
void GetFields( std::vector<LIB_FIELD*>& aList );
void GetFields( std::vector<LIB_FIELD>& aList );
/**
* Add a field. Takes ownership of the pointer.
*/
void AddField( LIB_FIELD* aField );
/**
* Find a field within this symbol matching \a aFieldName and returns it
* or NULL if not found.
*/
LIB_FIELD* FindField( const wxString& aFieldName );
const LIB_FIELD* FindField( const wxString& aFieldName ) const;
/**
* Return pointer to the requested field.
*
* @param aId - Id of field to return.
* @return The field if found, otherwise NULL.
*/
LIB_FIELD* GetFieldById( int aId ) const;
/** Return reference to the value field. */
LIB_FIELD& GetValueField();
/** Return reference to the reference designator field. */
LIB_FIELD& GetReferenceField();
/** Return reference to the footprint field */
LIB_FIELD& GetFootprintField();
/** Return reference to the datasheet field. */
LIB_FIELD& GetDatasheetField();
/**
* Order optional field indices.
*
* It's possible when calling #LIB_SYMBOL::Flatten that there can be gaps and/or duplicate
* optional field indices. This method correctly orders the indices so there are no gaps
* and/or duplicate indices.
*/
int UpdateFieldOrdinals();
int GetNextAvailableFieldId() const;
/**
* Print symbol.
*
* @param aOffset - Position of symbol.
* @param aMulti - unit if multiple units per symbol.
* @param aConvert - Symbol conversion (DeMorgan) if available.
* @param aOpts - Drawing options
*/
void Print( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset, int aMulti, int aConvert,
const LIB_SYMBOL_OPTIONS& aOpts );
/**
* Plot lib symbol to plotter.
* Lib Fields not are plotted here, because this plot function
* is used to plot schematic items, which have they own fields
*
* @param aPlotter - Plotter object to plot to.
* @param aUnit - Symbol symbol to plot.
* @param aConvert - Symbol alternate body style to plot.
* @param aBackground - A poor-man's Z-order.
* @param aOffset - Distance to shift the plot coordinates.
* @param aTransform - Symbol plot transform matrix.
*/
void Plot( PLOTTER* aPlotter, int aUnit, int aConvert, bool aBackground,
const VECTOR2I& aOffset, const TRANSFORM& aTransform ) const;
/**
* Plot Lib Fields only of the symbol to plotter.
* is used to plot the full lib symbol, outside the schematic
*
* @param aPlotter - Plotter object to plot to.
* @param aUnit - Symbol to plot.
* @param aConvert - Symbol alternate body style to plot.
* @param aBackground - A poor-man's Z-order.
* @param aOffset - Distance to shift the plot coordinates.
* @param aTransform - Symbol plot transform matrix.
*/
void PlotLibFields( PLOTTER* aPlotter, int aUnit, int aConvert, bool aBackground,
const VECTOR2I& aOffset, const TRANSFORM& aTransform );
/**
* Add a new draw \a aItem to the draw object list and sort according to \a aSort.
*
* @param aItem is the new draw object to add to the symbol.
* @param aSort is the flag to determine if the newly added item should be sorted.
*/
void AddDrawItem( LIB_ITEM* aItem, bool aSort = true );
/**
* Remove draw \a aItem from list.
*
* @param aItem - Draw item to remove from list.
*/
void RemoveDrawItem( LIB_ITEM* aItem );
/**
* Return the next draw object pointer.
*
* @param aItem - Pointer to the current draw item. Setting item NULL
* with return the first item of type in the list.
* @param aType - type of searched item (filter).
* if TYPE_NOT_INIT search for all items types
* @return - The next drawing object in the list if found, otherwise NULL.
*/
LIB_ITEM* GetNextDrawItem( const LIB_ITEM* aItem = nullptr, KICAD_T aType = TYPE_NOT_INIT );
size_t GetPinCount() const { return m_drawings.size( LIB_PIN_T ); }
size_t GetFieldCount() const { return m_drawings.size( LIB_FIELD_T ); }
/**
* Return the next pin object from the draw list.
*
* This is just a pin object specific version of GetNextDrawItem().
*
* @param aItem - Pointer to the previous pin item, or NULL to get the
* first pin in the draw object list.
* @return - The next pin object in the list if found, otherwise NULL.
*/
LIB_PIN* GetNextPin( LIB_PIN* aItem = nullptr )
{
return (LIB_PIN*) GetNextDrawItem( (LIB_ITEM*) aItem, LIB_PIN_T );
}
/**
* Return a list of pin object pointers from the draw item list.
*
* Note pin objects are owned by the draw list of the symbol.
* Deleting any of the objects will leave list in a unstable state
* and will likely segfault when the list is destroyed.
*
* @param aList - Pin list to place pin object pointers into.
* @param aUnit - Unit number of pin to add to list. Set to 0 to
* get pins from any symbol unit.
* @param aConvert - Convert number of pin to add to list. Set to 0 to
* get pins from any convert of symbol.
*/
void GetPins( LIB_PINS& aList, int aUnit = 0, int aConvert = 0 ) const;
/**
* Return pin object with the requested pin \a aNumber.
*
* @param aNumber - Number of the pin to find.
* @param aUnit - Unit of the symbol to find. Set to 0 if a specific
* unit number is not required.
* @param aConvert - Alternate body style filter (DeMorgan). Set to 0 if
* no alternate body style is required.
* @return The pin object if found. Otherwise NULL.
*/
LIB_PIN* GetPin( const wxString& aNumber, int aUnit = 0, int aConvert = 0 ) const;
/**
* Return true if this symbol's pins do not match another symbol's pins. This
* is used to detect whether the project cache is out of sync with the
* system libs.
*
* @param aOtherSymbol - The other library symbol to test
* @param aTestNums - Whether two pins at the same point must have the same number.
* @param aTestNames - Whether two pins at the same point must have the same name.
* @param aTestType - Whether two pins at the same point must have the same electrical type.
* @param aTestOrientation - Whether two pins at the same point must have the same orientation.
* @param aTestLength - Whether two pins at the same point must have the same length.
*/
bool PinsConflictWith( const LIB_SYMBOL& aOtherSymbol, bool aTestNums, bool aTestNames,
bool aTestType, bool aTestOrientation, bool aTestLength ) const;
/**
* Move the symbol \a aOffset.
*
* @param aOffset - Offset displacement.
*/
void SetOffset( const VECTOR2I& aOffset );
/**
* Remove duplicate draw items from list.
*/
void RemoveDuplicateDrawItems();
/**
* Test if symbol has more than one body conversion type (DeMorgan).
*
* @return True if symbol has more than one conversion.
*/
bool HasConversion() const;
/**
* @return the highest pin number of the symbol's pins.
* If none of the pins has pin number assigned it returns 0.
*/
int GetMaxPinNumber() const;
/**
* Clears the status flag all draw objects in this symbol.
*/
void ClearTempFlags();
void ClearEditFlags();
/**
* Locate a draw object.
*
* @param aUnit - Unit number of draw item.
* @param aConvert - Body style of draw item.
* @param aType - Draw object type, set to 0 to search for any type.
* @param aPoint - Coordinate for hit testing.
* @return The draw object if found. Otherwise NULL.
*/
LIB_ITEM* LocateDrawItem( int aUnit, int aConvert, KICAD_T aType, const VECTOR2I& aPoint );
/**
* Locate a draw object (overlaid)
*
* @param aUnit - Unit number of draw item.
* @param aConvert - Body style of draw item.
* @param aType - Draw object type, set to 0 to search for any type.
* @param aPoint - Coordinate for hit testing.
* @param aTransform = the transform matrix
* @return The draw object if found. Otherwise NULL.
*/
LIB_ITEM* LocateDrawItem( int aUnit, int aConvert, KICAD_T aType, const VECTOR2I& aPoint,
const TRANSFORM& aTransform );
/**
* Return a reference to the draw item list.
*
* @return LIB_ITEMS_CONTAINER& - Reference to the draw item object container.
*/
LIB_ITEMS_CONTAINER& GetDrawItems() { return m_drawings; }
const LIB_ITEMS_CONTAINER& GetDrawItems() const { return m_drawings; }
INSPECT_RESULT Visit( INSPECTOR inspector, void* testData,
const std::vector<KICAD_T>& aScanTypes ) override;
/**
* Set the units per symbol count.
*
* If the count is greater than the current count, then the all of the
* current draw items are duplicated for each additional symbol. If the
* count is less than the current count, all draw objects for units
* greater that count are removed from the symbol.
*
* @param aCount - Number of units per package.
* @param aDuplicateDrawItems Create duplicate draw items of unit 1 for each additionl unit.
*/
void SetUnitCount( int aCount, bool aDuplicateDrawItems = true );
int GetUnitCount() const override;
/**
* Return an identifier for \a aUnit for symbols with units.
*/
wxString GetUnitReference( int aUnit ) override;
/**
* @return true if the symbol has multiple units per symbol.
* When true, the reference has a sub reference to identify symbol.
*/
bool IsMulti() const { return m_unitCount > 1; }
/**
* @return the sub reference for symbol having multiple units per symbol.
* The sub reference identify the symbol (or unit)
* @param aUnit = the symbol identifier ( 1 to max count)
* @param aAddSeparator = true (default) to prepend the sub ref
* by the separator symbol (if any)
* Note: this is a static function.
*/
static wxString SubReference( int aUnit, bool aAddSeparator = true );
// Accessors to sub ref parameters
static int GetSubpartIdSeparator() { return m_subpartIdSeparator; }
/**
* Return a reference to m_subpartIdSeparator, only for read/save setting functions.
*/
static int* SubpartIdSeparatorPtr() { return &m_subpartIdSeparator; }
static int GetSubpartFirstId() { return m_subpartFirstId; }
/**
* Return a reference to m_subpartFirstId, only for read/save setting functions.
*/
static int* SubpartFirstIdPtr() { return &m_subpartFirstId; }
/**
* Set the separator char between the subpart id and the reference
* 0 (no separator) or '.' , '-' and '_'
* and the ascii char value to calculate the subpart symbol id from the symbol number:
* 'A' or '1' only are allowed. (to print U1.A or U1.1)
* if this is a digit, a number is used as id symbol
* Note also if the subpart symbol is a digit, the separator cannot be null.
* @param aSep = the separator symbol (0 (no separator) or '.' , '-' and '_')
* @param aFirstId = the Id of the first symbol ('A' or '1')
*/
static void SetSubpartIdNotation( int aSep, int aFirstId );
/**
* Set or clear the alternate body style (DeMorgan) for the symbol.
*
* If the symbol already has an alternate body style set and a
* asConvert if false, all of the existing draw items for the alternate
* body style are remove. If the alternate body style is not set and
* asConvert is true, than the base draw items are duplicated and
* added to the symbol.
*
* @param aSetConvert - Set or clear the symbol alternate body style.
* @param aDuplicatePins - Duplicate all pins from original body style if true.
*/
void SetConversion( bool aSetConvert, bool aDuplicatePins = true );
/**
* Set the offset in mils of the pin name text from the pin symbol.
*
* Set the offset to 0 to draw the pin name above the pin symbol.
*
* @param aOffset - The offset in mils.
*/
void SetPinNameOffset( int aOffset ) { m_pinNameOffset = aOffset; }
int GetPinNameOffset() const { return m_pinNameOffset; }
/**
* Set or clear the pin name visibility flag.
*
* @param aShow - True to make the symbol pin names visible.
*/
void SetShowPinNames( bool aShow ) { m_showPinNames = aShow; }
bool ShowPinNames() const { return m_showPinNames; }
/**
* Set or clear the pin number visibility flag.
*
* @param aShow - True to make the symbol pin numbers visible.
*/
void SetShowPinNumbers( bool aShow ) { m_showPinNumbers = aShow; }
bool ShowPinNumbers() const { return m_showPinNumbers; }
/**
* Set or clear the include in schematic bill of materials flag.
*
* @param aIncludeInBom true to include symbol in schematic bill of material
*/
void SetIncludeInBom( bool aIncludeInBom ) { m_includeInBom = aIncludeInBom; }
bool GetIncludeInBom() const { return m_includeInBom; }
/**
* Set or clear include in board netlist flag.
*
* @param aIncludeOnBoard true to include symbol in the board netlist
*/
void SetIncludeOnBoard( bool aIncludeOnBoard ) { m_includeOnBoard = aIncludeOnBoard; }
bool GetIncludeOnBoard() const { return m_includeOnBoard; }
/**
* Comparison test that can be used for operators.
*
* @param aRhs is the right hand side symbol used for comparison.
*
* @return -1 if this symbol is less than \a aRhs
* 1 if this symbol is greater than \a aRhs
* 0 if this symbol is the same as \a aRhs
*/
int Compare( const LIB_SYMBOL& aRhs, int aCompareFlags = 0 ) const;
bool operator==( const LIB_SYMBOL* aSymbol ) const { return this == aSymbol; }
bool operator==( const LIB_SYMBOL& aSymbol ) const
{
return Compare( aSymbol, LIB_ITEM::COMPARE_FLAGS::EQUALITY ) == 0;
}
bool operator!=( const LIB_SYMBOL& aSymbol ) const
{
return Compare( aSymbol, LIB_ITEM::COMPARE_FLAGS::EQUALITY ) != 0;
}
const LIB_SYMBOL& operator=( const LIB_SYMBOL& aSymbol );
/**
* Return a flattened symbol inheritance to the caller.
*
* If the symbol does not inherit from another symbol, a copy of the symbol is returned.
*
* @return a flattened symbol on the heap
*/
std::unique_ptr< LIB_SYMBOL > Flatten() const;
/**
* Return a list of LIB_ITEM objects separated by unit and convert number.
*
* @note This does not include LIB_FIELD objects since they are not associated with
* unit and/or convert numbers.
*/
std::vector<struct LIB_SYMBOL_UNIT> GetUnitDrawItems();
/**
* Return a list of unit numbers that are unique to this symbol.
*
* If the symbol is inherited (alias), the unique units of the parent symbol are returned.
* When comparing pins, the pin number is ignored.
*
* @return a list of unique unit numbers and their associated draw items.
*/
std::vector<struct LIB_SYMBOL_UNIT> GetUniqueUnits();
/**
* Return a list of item pointers for \a aUnit and \a aConvert for this symbol.
*
* @note #LIB_FIELD objects are not included.
*
* @param aUnit is the unit number of the item, -1 includes all units.
* @param aConvert is the alternate body styple of the item, -1 includes all body styles.
*
* @return a list of unit items.
*/
std::vector<LIB_ITEM*> GetUnitDrawItems( int aUnit, int aConvert );
#if defined(DEBUG)
void Show( int nestLevel, std::ostream& os ) const override { ShowDummy( os ); }
#endif
private:
// We create a different set parent function for this class, so we hide the inherited one.
using EDA_ITEM::SetParent;
void deleteAllFields();
private:
LIB_SYMBOL_SPTR m_me;
LIB_SYMBOL_REF m_parent; ///< Use for inherited symbols.
LIB_ID m_libId;
timestamp_t m_lastModDate;
int m_unitCount; ///< Number of units (parts) per package.
bool m_unitsLocked; ///< True if symbol has multiple units and changing one
///< unit does not automatically change another unit.
int m_pinNameOffset; ///< The offset in mils to draw the pin name. Set to
///< 0 to draw the pin name above the pin.
bool m_showPinNames;
bool m_showPinNumbers;
bool m_includeInBom;
bool m_includeOnBoard;
LIBRENTRYOPTIONS m_options; ///< Special symbol features such as POWER or NORMAL.)
LIB_ITEMS_CONTAINER m_drawings;
SYMBOL_LIB* m_library;
wxString m_name;
wxString m_description;
wxString m_keyWords; ///< Search keywords
wxArrayString m_fpFilters; ///< List of suitable footprint names for the
///< symbol (wild card names accepted).
static int m_subpartIdSeparator; ///< the separator char between
///< the subpart id and the reference like U1A
///< ( m_subpartIdSeparator = 0 ) or U1.A or U1-A
static int m_subpartFirstId; ///< the ASCII char value to calculate the subpart
///< symbol id from the symbol number: only 'A', 'a'
///< or '1' can be used, other values have no sense.
};
#endif // CLASS_LIBENTRY_H