479 lines
12 KiB
C++
479 lines
12 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) 2009 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 1992-2021 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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/*
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* Classes to handle info on nets
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*/
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#ifndef CLASS_NETINFO_
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#define CLASS_NETINFO_
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#include <macros_swig.h>
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#include <gr_basic.h>
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#include <netclass.h>
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#include <board_item.h>
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class wxDC;
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class wxPoint;
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class LINE_READER;
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class EDA_DRAW_FRAME;
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class PAD;
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class BOARD;
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class BOARD_ITEM;
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class MSG_PANEL_ITEM;
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class PCB_BASE_FRAME;
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/*****************************/
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/* flags for a RATSNEST_ITEM */
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/*****************************/
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#define CH_VISIBLE 1 /* Visible */
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#define CH_UNROUTABLE 2 /* Don't use autorouter. */
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#define CH_ROUTE_REQ 4 /* Must be routed by the autorouter. */
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#define CH_ACTIF 8 /* Not routed. */
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#define LOCAL_RATSNEST_ITEM 0x8000 /* Line between two pads of a single footprint. */
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DECL_VEC_FOR_SWIG( PADS_VEC, PAD* )
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/**
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* Handle the data for a net.
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*/
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class NETINFO_ITEM : public BOARD_ITEM
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{
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public:
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NETINFO_ITEM( BOARD* aParent, const wxString& aNetName = wxEmptyString, int aNetCode = -1 );
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~NETINFO_ITEM();
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static inline bool ClassOf( const EDA_ITEM* aItem )
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{
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return aItem && PCB_NETINFO_T == aItem->Type();
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}
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wxString GetClass() const override
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{
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return wxT( "NETINFO_ITEM" );
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}
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#if defined(DEBUG)
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void Show( int nestLevel, std::ostream& os ) const override
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{
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}
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#endif
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wxPoint GetPosition() const override
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{
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static wxPoint dummy(0, 0);
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return dummy;
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}
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void SetPosition( const wxPoint& aPos ) override
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{
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}
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void SetNetClass( const NETCLASSPTR& aNetClass );
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/**
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* @note Do **not** return a std::shared_ptr from this. It is used heavily in DRC, and the
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* std::shared_ptr stuff shows up large in performance profiling.
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*/
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NETCLASS* GetNetClass()
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{
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return m_netClass.get();
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}
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wxString GetNetClassName() const
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{
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return m_netClass ? m_netClass->GetName() : NETCLASS::Default;
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}
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int GetNetCode() const { return m_netCode; }
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void SetNetCode( int aNetCode ) { m_netCode = aNetCode; }
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/**
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* @return the full netname.
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*/
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const wxString& GetNetname() const { return m_netname; }
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/**
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* @return the short netname.
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*/
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const wxString& GetShortNetname() const { return m_shortNetname; }
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/**
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* Set the long netname to \a aNetName, and the short netname to the last token in
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* the long netname's path.
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*/
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void SetNetname( const wxString& aNewName )
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{
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m_netname = aNewName;
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if( aNewName.Contains( "/" ) )
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m_shortNetname = aNewName.AfterLast( '/' );
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else
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m_shortNetname = aNewName;
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}
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bool IsCurrent() const { return m_isCurrent; }
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void SetIsCurrent( bool isCurrent ) { m_isCurrent = isCurrent; }
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/**
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* Return the information about the #NETINFO_ITEM in \a aList to display in the
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* message panel.
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*
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* @param aList is the list in which to place the status information.
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*/
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void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
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/**
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* Set all fields to their default values.
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*/
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void Clear()
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{
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SetNetClass( NETCLASSPTR());
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}
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BOARD* GetParent() const
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{
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return m_parent;
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}
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private:
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friend class NETINFO_LIST;
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int m_netCode; ///< A number equivalent to the net name.
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wxString m_netname; ///< Full net name like /sheet/subsheet/vout used by Eeschema.
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wxString m_shortNetname; ///< short net name, like vout from /sheet/subsheet/vout.
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NETCLASSPTR m_netClass;
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bool m_isCurrent; ///< Indicates the net is currently in use. We still store
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///< those that are not during a session for undo/redo and to
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///< keep netclass membership information.
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BOARD* m_parent; ///< The parent board the net belongs to.
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};
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class NETINFO_MAPPING
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{
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public:
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NETINFO_MAPPING()
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{
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m_board = nullptr;
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}
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/**
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* Set a BOARD object that is used to prepare the net code map.
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*/
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void SetBoard( const BOARD* aBoard )
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{
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m_board = aBoard;
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Update();
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}
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/**
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* Prepare a mapping for net codes so they can be saved as consecutive numbers.
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*
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* To retrieve a mapped net code, use translateNet() function after calling this.
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*/
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void Update();
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/**
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* Translate net number according to the map prepared by Update() function.
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*
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* It allows one to have items stored with consecutive net codes.
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*
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* @param aNetCode is an old net code.
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* @return Net code that follows the mapping.
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*/
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int Translate( int aNetCode ) const;
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///< Wrapper class, so you can iterate through NETINFO_ITEM*s, not
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///< std::pair<int/wxString, NETINFO_ITEM*>
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class iterator
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{
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public:
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iterator( std::map<int, int>::const_iterator aIter, const NETINFO_MAPPING* aMapping ) :
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m_iterator( aIter ), m_mapping( aMapping )
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{
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}
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/// pre-increment operator
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const iterator& operator++()
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{
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++m_iterator;
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return *this;
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}
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/// post-increment operator
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iterator operator++( int )
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{
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iterator ret = *this;
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++m_iterator;
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return ret;
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}
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NETINFO_ITEM* operator*() const;
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NETINFO_ITEM* operator->() const;
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bool operator!=( const iterator& aOther ) const
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{
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return m_iterator != aOther.m_iterator;
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}
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bool operator==( const iterator& aOther ) const
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{
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return m_iterator == aOther.m_iterator;
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}
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private:
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std::map<int, int>::const_iterator m_iterator;
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const NETINFO_MAPPING* m_mapping;
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};
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/**
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* Return iterator to the first entry in the mapping.
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*
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* @note The entry is a pointer to the original NETINFO_ITEM object, this it contains
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* not mapped net code.
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*/
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iterator begin() const
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{
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return iterator( m_netMapping.begin(), this );
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}
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/**
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* Return iterator to the last entry in the mapping.
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*
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* @note The entry is a pointer to the original NETINFO_ITEM object, this it contains
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* not mapped net code.
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*/
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iterator end() const
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{
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return iterator( m_netMapping.end(), this );
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}
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/**
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* @return Number of mapped nets (i.e. not empty nets for a given BOARD object).
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*/
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int GetSize() const
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{
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return m_netMapping.size();
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}
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private:
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const BOARD* m_board; ///< Board for which mapping is prepared
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std::map<int, int> m_netMapping; ///< Map that allows saving net codes with consecutive
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///< numbers (for compatibility reasons)
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};
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#if 0
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// waiting for swig to support std::unordered_map, see
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// http://www.swig.org/Doc3.0/CPlusPlus11.html
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// section 7.3.3
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#include <hashtables.h>
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DECL_HASH_FOR_SWIG( NETNAMES_MAP, wxString, NETINFO_ITEM* )
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DECL_HASH_FOR_SWIG( NETCODES_MAP, int, NETINFO_ITEM* )
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#else
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// use std::map for now
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DECL_MAP_FOR_SWIG( NETNAMES_MAP, wxString, NETINFO_ITEM* )
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DECL_MAP_FOR_SWIG( NETCODES_MAP, int, NETINFO_ITEM* )
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#endif
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/**
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* Container for #NETINFO_ITEM elements, which are the nets.
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*/
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class NETINFO_LIST
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{
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friend class BOARD;
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public:
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NETINFO_LIST( BOARD* aParent );
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~NETINFO_LIST();
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/**
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* @param aNetCode netcode to identify a given #NETINFO_ITEM.
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* @return net item by \a aNetCode, or NULL if not found.
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*/
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NETINFO_ITEM* GetNetItem( int aNetCode ) const;
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/**
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* @param aNetName net name to identify a given #NETINFO_ITEM.
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* @return net item by \a aNetName, or NULL if not found.
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*/
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NETINFO_ITEM* GetNetItem( const wxString& aNetName ) const;
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/**
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* @return the number of nets ( always >= 1 ) because the first net is the "not connected"
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* net and always exists
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*/
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unsigned GetNetCount() const { return m_netNames.size(); }
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/**
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* Add \a aNewElement to the end of the net list. Negative net code means it is going to be
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* auto-assigned.
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*/
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void AppendNet( NETINFO_ITEM* aNewElement );
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/**
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* Remove a net from the net list.
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*/
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void RemoveNet( NETINFO_ITEM* aNet );
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void RemoveUnusedNets();
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/**
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* @return the number of pads in board.
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*/
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/// Return the name map, at least for python.
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const NETNAMES_MAP& NetsByName() const { return m_netNames; }
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/// Return the netcode map, at least for python.
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const NETCODES_MAP& NetsByNetcode() const { return m_netCodes; }
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///< Constant that holds the "unconnected net" number (typically 0)
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///< all items "connected" to this net are actually not connected items
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static const int UNCONNECTED;
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///< Constant that forces initialization of a netinfo item to the NETINFO_ITEM ORPHANED
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///< (typically -1) when calling SetNetCode on board connected items.
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static const int ORPHANED;
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///< NETINFO_ITEM meaning that there was no net assigned for an item, as there was no
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///< board storing net list available.
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static NETINFO_ITEM* OrphanedItem()
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{
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static NETINFO_ITEM* g_orphanedItem;
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if( !g_orphanedItem )
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g_orphanedItem = new NETINFO_ITEM( nullptr, wxEmptyString, NETINFO_LIST::UNCONNECTED );
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return g_orphanedItem;
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}
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#if defined(DEBUG)
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void Show() const;
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#endif
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#ifndef SWIG
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///< Wrapper class, so you can iterate through NETINFO_ITEM*s, not
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///< std::pair<int/wxString, NETINFO_ITEM*>
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class iterator
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{
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public:
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iterator( NETNAMES_MAP::const_iterator aIter ) : m_iterator( aIter )
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{
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}
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/// pre-increment operator
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const iterator& operator++()
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{
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++m_iterator;
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return *this;
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}
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/// post-increment operator
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iterator operator++( int )
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{
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iterator ret = *this;
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++m_iterator;
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return ret;
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}
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NETINFO_ITEM* operator*() const
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{
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return m_iterator->second;
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}
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NETINFO_ITEM* operator->() const
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{
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return m_iterator->second;
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}
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bool operator!=( const iterator& aOther ) const
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{
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return m_iterator != aOther.m_iterator;
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}
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bool operator==( const iterator& aOther ) const
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{
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return m_iterator == aOther.m_iterator;
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}
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private:
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NETNAMES_MAP::const_iterator m_iterator;
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};
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iterator begin() const
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{
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return iterator( m_netNames.begin() );
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}
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iterator end() const
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{
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return iterator( m_netNames.end() );
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}
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#endif
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BOARD* GetParent() const
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{
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return m_parent;
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}
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private:
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/**
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* Delete the list of nets (and free memory).
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*/
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void clear();
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/**
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* Rebuild the list of NETINFO_ITEMs
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*
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* The list is sorted by names.
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*/
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void buildListOfNets();
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/**
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* Return the first available net code that is not used by any other net.
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*/
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int getFreeNetCode();
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BOARD* m_parent;
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NETNAMES_MAP m_netNames; ///< map of <wxString, NETINFO_ITEM*>, is NETINFO_ITEM owner
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NETCODES_MAP m_netCodes; ///< map of <int, NETINFO_ITEM*> is NOT owner
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int m_newNetCode; ///< possible value for new net code assignment
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};
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#endif // CLASS_NETINFO_
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