281 lines
7.1 KiB
C++
281 lines
7.1 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 1992-2023 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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#include <board.h>
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#include <board_commit.h>
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#include <footprint.h>
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#include <macros.h>
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#include <pad.h>
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#include <pcb_shape.h>
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#include <pcb_track.h>
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#include <zone.h>
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#include <netinfo.h>
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#include <wx/log.h>
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// Constructor and destructor
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NETINFO_LIST::NETINFO_LIST( BOARD* aParent ) :
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m_parent( aParent ),
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m_newNetCode( 0 )
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{
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// Make sure that the unconnected net has number 0
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AppendNet( new NETINFO_ITEM( aParent, wxEmptyString, 0 ) );
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}
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NETINFO_LIST::~NETINFO_LIST()
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{
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clear();
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}
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void NETINFO_LIST::clear()
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{
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NETNAMES_MAP::iterator it, itEnd;
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for( it = m_netNames.begin(), itEnd = m_netNames.end(); it != itEnd; ++it )
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delete it->second;
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m_netNames.clear();
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m_netCodes.clear();
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m_newNetCode = 0;
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}
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NETINFO_ITEM* NETINFO_LIST::GetNetItem( int aNetCode ) const
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{
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NETCODES_MAP::const_iterator result = m_netCodes.find( aNetCode );
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if( result != m_netCodes.end() )
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return (*result).second;
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return nullptr;
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}
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NETINFO_ITEM* NETINFO_LIST::GetNetItem( const wxString& aNetName ) const
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{
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NETNAMES_MAP::const_iterator result = m_netNames.find( aNetName );
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if( result != m_netNames.end() )
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return (*result).second;
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return nullptr;
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}
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void NETINFO_LIST::RemoveNet( NETINFO_ITEM* aNet )
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{
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bool removed = false;
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for( NETCODES_MAP::iterator i = m_netCodes.begin(); i != m_netCodes.end(); ++i )
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{
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if ( i->second == aNet )
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{
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removed = true;
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m_netCodes.erase(i);
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break;
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}
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}
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for( NETNAMES_MAP::iterator i = m_netNames.begin(); i != m_netNames.end(); ++i )
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{
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if ( i->second == aNet )
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{
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wxASSERT_MSG( removed, wxT( "NETINFO_LIST::RemoveNet: target net found in m_netNames "
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"but not m_netCodes!" ) );
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m_netNames.erase(i);
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break;
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}
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}
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if( removed )
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m_newNetCode = std::min( m_newNetCode, aNet->m_netCode - 1 );
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}
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void NETINFO_LIST::RemoveUnusedNets( BOARD_COMMIT* aCommit )
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{
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NETCODES_MAP existingNets = m_netCodes;
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std::vector<NETINFO_ITEM*> unusedNets;
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m_netCodes.clear();
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m_netNames.clear();
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for( const auto& [ netCode, netInfo ] : existingNets )
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{
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if( netInfo->IsCurrent() )
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{
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m_netNames.insert( std::make_pair( netInfo->GetNetname(), netInfo ) );
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m_netCodes.insert( std::make_pair( netCode, netInfo ) );
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}
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else if( aCommit )
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{
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aCommit->Removed( netInfo );
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}
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}
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}
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void NETINFO_LIST::AppendNet( NETINFO_ITEM* aNewElement )
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{
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// if there is a net with such name then just assign the correct number
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NETINFO_ITEM* sameName = GetNetItem( aNewElement->GetNetname() );
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if( sameName != nullptr )
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{
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aNewElement->m_netCode = sameName->GetNetCode();
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return;
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}
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else if( aNewElement->m_netCode != (int) m_netCodes.size() || aNewElement->m_netCode < 0 )
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{
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// be sure that net codes are consecutive
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// negative net code means that it has to be auto assigned
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aNewElement->m_netCode = getFreeNetCode();
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}
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// net names & codes are supposed to be unique
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assert( GetNetItem( aNewElement->GetNetname() ) == nullptr );
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assert( GetNetItem( aNewElement->GetNetCode() ) == nullptr );
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// add an entry for fast look up by a net name using a map
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m_netNames.insert( std::make_pair( aNewElement->GetNetname(), aNewElement ) );
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m_netCodes.insert( std::make_pair( aNewElement->GetNetCode(), aNewElement ) );
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}
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void NETINFO_LIST::buildListOfNets()
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{
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// Restore the initial state of NETINFO_ITEMs
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for( NETINFO_ITEM* net : *this )
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net->Clear();
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m_parent->SynchronizeNetsAndNetClasses( false );
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m_parent->SetAreasNetCodesFromNetNames();
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}
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#if defined(DEBUG)
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void NETINFO_LIST::Show() const
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{
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int i = 0;
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NETNAMES_MAP::const_iterator it, itEnd;
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for( it = m_netNames.begin(), itEnd = m_netNames.end(); it != itEnd; ++it )
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{
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wxLogDebug( wxT( "[%d]: netcode:%d netname:<%s>\n" ),
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i++,
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it->second->GetNetCode(),
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TO_UTF8( it->second->GetNetname() ) );
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}
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}
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#endif
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int NETINFO_LIST::getFreeNetCode()
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{
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do
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{
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if( m_newNetCode < 0 )
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m_newNetCode = 0;
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} while( m_netCodes.count( ++m_newNetCode ) != 0 );
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return m_newNetCode;
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}
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int NETINFO_MAPPING::Translate( int aNetCode ) const
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{
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std::map<int, int>::const_iterator value = m_netMapping.find( aNetCode );
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if( value != m_netMapping.end() )
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return value->second;
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// There was no entry for the given net code
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return aNetCode;
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}
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void NETINFO_MAPPING::Update()
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{
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// Collect all the used nets
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std::set<int> nets;
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// Be sure that the unconnected gets 0 and is mapped as 0
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nets.insert( 0 );
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// Zones
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for( ZONE* zone : m_board->Zones() )
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nets.insert( zone->GetNetCode() );
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// Tracks
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for( PCB_TRACK* track : m_board->Tracks() )
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nets.insert( track->GetNetCode() );
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for( BOARD_ITEM* item : m_board->Drawings() )
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{
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if( item->Type() != PCB_SHAPE_T )
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continue;
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PCB_SHAPE* shape = static_cast<PCB_SHAPE*>( item );
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if( shape->GetNetCode() > 0 )
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nets.insert( shape->GetNetCode() );
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}
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// footprints/pads
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for( FOOTPRINT* footprint : m_board->Footprints() )
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{
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for( PAD* pad : footprint->Pads() )
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nets.insert( pad->GetNetCode() );
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}
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// Prepare the new mapping
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m_netMapping.clear();
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// Now the nets variable stores all the used net codes (not only for pads) and we are ready to
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// assign new consecutive net numbers
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int newNetCode = 0;
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for( auto net : nets )
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m_netMapping[net] = newNetCode++;
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}
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NETINFO_ITEM* NETINFO_MAPPING::iterator::operator*() const
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{
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return m_mapping->m_board->FindNet( m_iterator->first );
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}
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NETINFO_ITEM* NETINFO_MAPPING::iterator::operator->() const
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{
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return m_mapping->m_board->FindNet( m_iterator->first );
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}
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const int NETINFO_LIST::UNCONNECTED = 0;
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const int NETINFO_LIST::ORPHANED = -1;
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