254 lines
6.9 KiB
C++
254 lines
6.9 KiB
C++
/**
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* @file class_netinfolist.cpp
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*/
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#include <fctsys.h>
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#include <gr_basic.h>
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#include <common.h>
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#include <class_drawpanel.h>
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#include <macros.h>
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#include <pcbnew.h>
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#include <class_board.h>
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#include <class_module.h>
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#include <class_pad.h>
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#include <class_track.h>
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#include <class_zone.h>
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#include <class_netinfo.h>
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// Constructor and destructor
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NETINFO_LIST::NETINFO_LIST( BOARD* aParent ) : m_Parent( aParent )
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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_PadsFullList.clear();
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m_netNames.clear();
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m_netCodes.clear();
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}
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void NETINFO_LIST::AppendNet( NETINFO_ITEM* aNewElement )
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{
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// negative net code means that it has to be auto assigned
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if( aNewElement->m_NetCode < 0 )
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const_cast<int&>( aNewElement->m_NetCode ) = getFreeNetCode();
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// net names & codes are supposed to be unique
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assert( GetNetItem( aNewElement->GetNetname() ) == NULL );
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assert( GetNetItem( aNewElement->GetNet() ) == NULL );
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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->GetNet(), aNewElement ) );
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}
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/* sort function, to sort pad list by netnames
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* this is a case sensitive sort.
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* DO NOT change it because NETINFO_ITEM* BOARD::FindNet( const wxString& aNetname )
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* when search a net by its net name does a binary search
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* and expects to have a nets list sorted by an alphabetic case sensitive sort
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*/
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static bool padlistSortByNetnames( const D_PAD* a, const D_PAD* b )
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{
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return ( a->GetNetname().Cmp( b->GetNetname() ) ) < 0;
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}
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/**
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* Compute and update the net_codes for PADS et and equipots (.m_NetCode member)
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* net_codes are >= 1 (net_code = 0 means not connected)
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* Update the net buffer
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* Must be called after editing pads (netname, or deleting) or after read a netlist
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* set to 1 flag NET_CODE_OK of m_Pcb->m_Status_Pcb;
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* m_Pcb->m_NbNodes and m_Pcb->m_NbNets are updated
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* Be aware NETINFO_ITEM* BOARD::FindNet( const wxString& aNetname )
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* when search a net by its net name does a binary search
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* and expects to have a nets list sorted by an alphabetic case sensitive sort
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* So do not change Build_Pads_Full_List() which build a sorted list of pads
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*/
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void NETINFO_LIST::buildListOfNets()
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{
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D_PAD* pad;
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int nodes_count = 0;
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// Build the PAD list, sorted by net
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buildPadsFullList();
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// Restore the initial state of NETINFO_ITEMs
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for( NETINFO_LIST::iterator net( begin() ), netEnd( end() ); net != netEnd; ++net )
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net->Clear();
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// Assign pads to appropriate NETINFO_ITEMs
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for( unsigned ii = 0; ii < m_PadsFullList.size(); ii++ )
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{
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pad = m_PadsFullList[ii];
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if( pad->GetNet() == NETINFO_LIST::UNCONNECTED ) // pad not connected
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continue;
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// Add pad to the appropriate list of pads
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GetNetItem( pad->GetNet() )->m_PadInNetList.push_back( pad );
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++nodes_count;
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}
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m_Parent->SetNodeCount( nodes_count );
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m_Parent->SynchronizeNetsAndNetClasses( );
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m_Parent->m_Status_Pcb |= NET_CODES_OK;
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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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printf( "[%d]: netcode:%d netname:<%s>\n",
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i++, it->second->GetNet(),
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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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void NETINFO_LIST::buildPadsFullList()
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{
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/*
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* initialize:
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* m_Pads (list of pads)
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* set m_Status_Pcb = LISTE_PAD_OK;
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* also clear m_Pcb->m_FullRatsnest that could have bad data
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* (m_Pcb->m_FullRatsnest uses pointer to pads)
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* Be aware NETINFO_ITEM* BOARD::FindNet( const wxString& aNetname )
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* when search a net by its net name does a binary search
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* and expects to have a nets list sorted by an alphabetic case sensitive sort
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* So do not change the sort function used here
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*/
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if( m_Parent->m_Status_Pcb & LISTE_PAD_OK )
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return;
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// empty the old list
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m_PadsFullList.clear();
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m_Parent->m_FullRatsnest.clear();
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// Clear variables used in ratsnest computation
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for( MODULE* module = m_Parent->m_Modules; module; module = module->Next() )
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{
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for( D_PAD* pad = module->Pads(); pad; pad = pad->Next() )
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{
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m_PadsFullList.push_back( pad );
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pad->SetSubRatsnest( 0 );
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pad->SetParent( module );
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}
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}
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// Sort pad list per net
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sort( m_PadsFullList.begin(), m_PadsFullList.end(), padlistSortByNetnames );
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m_Parent->m_Status_Pcb = LISTE_PAD_OK;
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}
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int NETINFO_LIST::getFreeNetCode() const
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{
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static int m_newNetCode = 0;
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do {
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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( int i = 0; i < m_board->GetAreaCount(); ++i )
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nets.insert( m_board->GetArea( i )->GetNet() );
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// Tracks
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for( TRACK* track = m_board->m_Track; track; track = track->Next() )
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nets.insert( track->GetNet() );
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// Modules/pads
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for( MODULE* module = m_board->m_Modules; module; module = module->Next() )
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{
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for( D_PAD* pad = module->Pads().GetFirst(); pad; pad = pad->Next() )
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{
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nets.insert( pad->GetNet() );
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}
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}
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// Segzones
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for( SEGZONE* zone = m_board->m_Zone; zone; zone = zone->Next() )
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nets.insert( zone->GetNet() );
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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)
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int newNetCode = 0;
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for( std::set<int>::const_iterator it = nets.begin(), itEnd = nets.end(); it != itEnd; ++it )
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m_netMapping[*it] = 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 NETINFO_ITEM NETINFO_LIST::ORPHANED = NETINFO_ITEM( NULL, wxString::FromUTF8( "orphaned" ), -1 );
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const int NETINFO_LIST::UNCONNECTED = 0;
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