261 lines
8.2 KiB
C++
261 lines
8.2 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) 1992-2011 Jean-Pierre Charras.
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* Copyright (C) 2013 Wayne Stambaugh <stambaughw@gmail.com>.
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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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#include <richio.h>
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#include <string_utils.h>
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#include "pcb_netlist.h"
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#include "netlist_reader.h"
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void LEGACY_NETLIST_READER::LoadNetlist()
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{
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int state = 0;
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bool is_comment = false;
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COMPONENT* component = nullptr;
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while( m_lineReader->ReadLine() )
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{
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char* line = StrPurge( m_lineReader->Line() );
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if( is_comment ) // Comments in progress
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{
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// Test for end of the current comment
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if( ( line = strchr( line, '}' ) ) == nullptr )
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continue;
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is_comment = false;
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}
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if( *line == '{' ) // Start Comment or Pcbnew info section
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{
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is_comment = true;
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if( m_loadFootprintFilters && state == 0
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&& (strncasecmp( line, "{ Allowed footprints", 20 ) == 0) )
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{
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loadFootprintFilters();
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continue;
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}
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if( ( line = strchr( line, '}' ) ) == nullptr )
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continue;
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}
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if( *line == '(' )
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state++;
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if( *line == ')' )
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state--;
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if( state == 2 )
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{
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component = loadComponent( line );
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continue;
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}
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if( state >= 3 ) // Pad descriptions are read here.
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{
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wxASSERT( component != nullptr );
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loadNet( line, component );
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state--;
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}
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}
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if( m_footprintReader )
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{
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m_footprintReader->Load( m_netlist );
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}
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}
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COMPONENT* LEGACY_NETLIST_READER::loadComponent( char* aText )
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{
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char* text;
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wxString msg;
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wxString footprintName; // the footprint name read from netlist
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wxString value; // the component value read from netlist
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wxString reference; // the component schematic reference designator read from netlist
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wxString name; // the name of component that was placed in the schematic
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char line[1024];
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strncpy( line, aText, sizeof(line)-1 );
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line[sizeof(line)-1] = '\0';
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value = wxT( "~" );
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// Sample component line: /68183921-93a5-49ac-91b0-49d05a0e1647 $noname R20 4.7K {Lib=R}
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// Read time stamp (first word)
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if( ( text = strtok( line, " ()\t\n" ) ) == nullptr )
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{
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msg = _( "Cannot parse time stamp in symbol section of netlist." );
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THROW_PARSE_ERROR( msg, m_lineReader->GetSource(), line, m_lineReader->LineNumber(),
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m_lineReader->Length() );
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}
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KIID_PATH path( From_UTF8( text ) );
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// Read footprint name (second word)
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if( ( text = strtok( nullptr, " ()\t\n" ) ) == nullptr )
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{
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msg = _( "Cannot parse footprint name in symbol section of netlist." );
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THROW_PARSE_ERROR( msg, m_lineReader->GetSource(), aText, m_lineReader->LineNumber(),
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m_lineReader->Length() );
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}
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footprintName = From_UTF8( text );
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// The footprint name will have to be looked up in the *.cmp file.
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if( footprintName == wxT( "$noname" ) )
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footprintName = wxEmptyString;
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// Read schematic reference designator (third word)
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if( ( text = strtok( nullptr, " ()\t\n" ) ) == nullptr )
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{
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msg = _( "Cannot parse reference designator in symbol section of netlist." );
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THROW_PARSE_ERROR( msg, m_lineReader->GetSource(), aText, m_lineReader->LineNumber(),
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m_lineReader->Length() );
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}
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reference = From_UTF8( text );
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// Read schematic value (forth word)
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if( ( text = strtok( nullptr, " ()\t\n" ) ) == nullptr )
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{
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msg = _( "Cannot parse value in symbol section of netlist." );
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THROW_PARSE_ERROR( msg, m_lineReader->GetSource(), aText, m_lineReader->LineNumber(),
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m_lineReader->Length() );
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}
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value = From_UTF8( text );
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// Read component name (fifth word) {Lib=C}
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// This is an optional field (a comment), which does not always exists
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if( ( text = strtok( nullptr, " ()\t\n" ) ) != nullptr )
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{
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name = From_UTF8( text ).AfterFirst( wxChar( '=' ) ).BeforeLast( wxChar( '}' ) );
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}
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LIB_ID fpid;
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if( !footprintName.IsEmpty() )
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fpid.SetLibItemName( footprintName );
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COMPONENT* component = new COMPONENT( fpid, reference, value, path, {} );
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component->SetName( name );
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m_netlist->AddComponent( component );
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return component;
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}
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void LEGACY_NETLIST_READER::loadNet( char* aText, COMPONENT* aComponent )
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{
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wxString msg;
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char* p;
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char line[256];
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strncpy( line, aText, sizeof( line ) );
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line[ sizeof(line) - 1 ] = '\0';
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if( ( p = strtok( line, " ()\t\n" ) ) == nullptr )
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{
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msg = _( "Cannot parse pin name in symbol net section of netlist." );
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THROW_PARSE_ERROR( msg, m_lineReader->GetSource(), line, m_lineReader->LineNumber(),
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m_lineReader->Length() );
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}
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wxString pinName = From_UTF8( p );
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if( ( p = strtok( nullptr, " ()\t\n" ) ) == nullptr )
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{
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msg = _( "Cannot parse net name in symbol net section of netlist." );
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THROW_PARSE_ERROR( msg, m_lineReader->GetSource(), line, m_lineReader->LineNumber(),
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m_lineReader->Length() );
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}
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wxString netName = From_UTF8( p );
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if( (char) netName[0] == '?' ) // ? indicates no net connected to pin.
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netName = wxEmptyString;
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aComponent->AddNet( pinName, netName, wxEmptyString, wxEmptyString );
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}
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void LEGACY_NETLIST_READER::loadFootprintFilters()
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{
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wxArrayString filters;
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wxString cmpRef;
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char* line;
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COMPONENT* component = nullptr; // Suppress compile warning
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while( ( line = m_lineReader->ReadLine() ) != nullptr )
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{
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if( strncasecmp( line, "$endlist", 8 ) == 0 ) // end of list for the current component
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{
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wxASSERT( component != nullptr );
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component->SetFootprintFilters( filters );
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component = nullptr;
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filters.Clear();
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continue;
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}
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if( strncasecmp( line, "$endfootprintlist", 4 ) == 0 )
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// End of this section
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return;
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if( strncasecmp( line, "$component", 10 ) == 0 ) // New component reference found
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{
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cmpRef = From_UTF8( line + 11 );
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cmpRef.Trim( true );
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cmpRef.Trim( false );
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component = m_netlist->GetComponentByReference( cmpRef );
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// Cannot happen if the netlist is valid.
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if( component == nullptr )
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{
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wxString msg;
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msg.Printf( _( "Cannot find symbol %s in footprint filter section of netlist." ),
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cmpRef );
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THROW_PARSE_ERROR( msg, m_lineReader->GetSource(), line, m_lineReader->LineNumber(),
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m_lineReader->Length() );
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}
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}
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else
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{
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// Add new filter to list
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wxString fp = From_UTF8( line + 1 );
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fp.Trim( false );
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fp.Trim( true );
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filters.Add( fp );
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}
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}
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}
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// LocalWords: EDA Charras pcb netlist noname cmp endlist
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// LocalWords: endfootprintlist
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