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0b2d4d4879
Recommendation is to avoid using the year nomenclature as this information is already encoded in the git repo. Avoids needing to repeatly update. Also updates AUTHORS.txt from current repo with contributor names
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 The 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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