529 lines
16 KiB
C++
529 lines
16 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) 2020 CERN
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* @author Jon Evans <jon@craftyjon.com>
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <nlohmann/json.hpp>
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#include <project/net_settings.h>
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#include <settings/parameters.h>
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#include <settings/settings_manager.h>
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#include <kicad_string.h>
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#include <convert_to_biu.h>
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const int netSettingsSchemaVersion = 0;
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static OPT<int> getInPcbUnits( const nlohmann::json& aObj, const std::string& aKey, OPT<int> aDefault = OPT<int>() )
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{
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if( aObj.contains( aKey ) && aObj[aKey].is_number() )
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return PcbMillimeter2iu( aObj[aKey].get<double>() );
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else
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return aDefault;
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};
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NET_SETTINGS::NET_SETTINGS( JSON_SETTINGS* aParent, const std::string& aPath ) :
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NESTED_SETTINGS( "net_settings", netSettingsSchemaVersion, aParent, aPath ),
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m_NetClasses()
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{
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m_params.emplace_back( new PARAM_LAMBDA<nlohmann::json>( "classes",
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[&]() -> nlohmann::json
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{
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nlohmann::json ret = nlohmann::json::array();
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NETCLASSPTR netclass = m_NetClasses.GetDefault();
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NETCLASSES::const_iterator nc = m_NetClasses.begin();
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for( unsigned int idx = 0; idx <= m_NetClasses.GetCount(); idx++ )
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{
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if( idx > 0 )
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{
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netclass = nc->second;
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++nc;
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}
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// Note: we're in common/, but we do happen to know which of these fields
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// are used in which units system.
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nlohmann::json netclassJson = {
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{ "name", netclass->GetName().ToUTF8() },
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{ "wire_width", SchIu2Mils( netclass->GetWireWidth() ) },
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{ "bus_width", SchIu2Mils( netclass->GetBusWidth() ) },
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{ "line_style", netclass->GetLineStyle() },
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{ "schematic_color", netclass->GetSchematicColor() },
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{ "pcb_color", netclass->GetPcbColor() }
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};
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if( netclass->HasClearance() )
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netclassJson.push_back( { "clearance", PcbIu2Millimeter( netclass->GetClearance() ) } );
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if( netclass->HasTrackWidth() )
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netclassJson.push_back( { "track_width", PcbIu2Millimeter( netclass->GetTrackWidth() ) } );
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if( netclass->HasViaDiameter() )
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netclassJson.push_back( { "via_diameter", PcbIu2Millimeter( netclass->GetViaDiameter() ) } );
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if( netclass->HasViaDrill() )
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netclassJson.push_back( { "via_drill", PcbIu2Millimeter( netclass->GetViaDrill() ) } );
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if( netclass->HasuViaDiameter() )
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netclassJson.push_back( { "microvia_diameter", PcbIu2Millimeter( netclass->GetuViaDiameter() ) } );
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if( netclass->HasuViaDrill() )
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netclassJson.push_back( { "microvia_drill", PcbIu2Millimeter( netclass->GetuViaDrill() ) } );
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if( netclass->HasDiffPairWidth() )
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netclassJson.push_back( { "diff_pair_width", PcbIu2Millimeter( netclass->GetDiffPairWidth() ) } );
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if( netclass->HasDiffPairGap() )
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netclassJson.push_back( { "diff_pair_gap", PcbIu2Millimeter( netclass->GetDiffPairGap() ) } );
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if( netclass->HasDiffPairViaGap() )
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netclassJson.push_back( { "diff_pair_via_gap", PcbIu2Millimeter( netclass->GetDiffPairViaGap() ) } );
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if( idx > 0 ) // No need to store members of Default netclass
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{
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nlohmann::json membersJson = nlohmann::json::array();
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for( const wxString& member : *netclass )
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{
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if( !member.empty() )
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membersJson.push_back( member );
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}
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netclassJson["nets"] = membersJson;
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}
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ret.push_back( netclassJson );
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}
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return ret;
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},
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[&]( const nlohmann::json& aJson )
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{
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if( !aJson.is_array() )
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return;
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m_NetClasses.Clear();
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m_NetClassAssignments.clear();
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NETCLASSPTR netclass;
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NETCLASSPTR defaultClass = m_NetClasses.GetDefault();
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auto getInSchematicUnits =
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[]( const nlohmann::json& aObj, const std::string& aKey, int aDefault )
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{
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if( aObj.contains( aKey ) && aObj[aKey].is_number() )
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return SchMils2iu( aObj[aKey].get<double>() );
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else
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return aDefault;
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};
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for( const nlohmann::json& entry : aJson )
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{
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if( !entry.is_object() || !entry.contains( "name" ) )
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continue;
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wxString name = entry["name"];
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if( name == defaultClass->GetName() )
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netclass = defaultClass;
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else
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netclass = std::make_shared<NETCLASS>( name );
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if( auto value = getInPcbUnits( entry, "clearance" ) )
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netclass->SetClearance( *value );
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if( auto value = getInPcbUnits( entry, "track_width" ) )
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netclass->SetTrackWidth( *value );
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if( auto value = getInPcbUnits( entry, "via_diameter" ) )
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netclass->SetViaDiameter( *value );
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if( auto value = getInPcbUnits( entry, "via_drill" ) )
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netclass->SetViaDrill( *value );
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if( auto value = getInPcbUnits( entry, "microvia_diameter" ) )
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netclass->SetuViaDiameter( *value );
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if( auto value = getInPcbUnits( entry, "microvia_drill" ) )
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netclass->SetuViaDrill( *value );
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if( auto value = getInPcbUnits( entry, "diff_pair_width" ) )
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netclass->SetDiffPairWidth( *value );
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if( auto value = getInPcbUnits( entry, "diff_pair_gap" ) )
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netclass->SetDiffPairGap( *value );
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if( auto value = getInPcbUnits( entry, "diff_pair_via_gap" ) )
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netclass->SetDiffPairViaGap( *value );
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netclass->SetWireWidth( getInSchematicUnits( entry, "wire_width",
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netclass->GetWireWidth() ) );
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netclass->SetBusWidth( getInSchematicUnits( entry, "bus_width",
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netclass->GetWireWidth() ) );
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if( entry.contains( "line_style" ) && entry["line_style"].is_number() )
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netclass->SetLineStyle( entry["line_style"].get<int>() );
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if( entry.contains( "nets" ) && entry["nets"].is_array() )
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{
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for( const auto& net : entry["nets"].items() )
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netclass->Add( net.value().get<wxString>() );
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}
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if( entry.contains( "pcb_color" ) && entry["pcb_color"].is_string() )
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netclass->SetPcbColor( entry["pcb_color"].get<KIGFX::COLOR4D>() );
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if( entry.contains( "schematic_color" ) && entry["schematic_color"].is_string() )
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netclass->SetSchematicColor( entry["schematic_color"].get<KIGFX::COLOR4D>() );
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if( netclass != defaultClass )
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m_NetClasses.Add( netclass );
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for( const wxString& net : *netclass )
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m_NetClassAssignments[ net ] = netclass->GetName();
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}
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ResolveNetClassAssignments();
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},
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{} ) );
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m_params.emplace_back( new PARAM_LAMBDA<nlohmann::json>( "net_colors",
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[&]() -> nlohmann::json
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{
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nlohmann::json ret = {};
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for( const auto& pair : m_PcbNetColors )
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{
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std::string key( pair.first.ToUTF8() );
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ret[key] = pair.second;
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}
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return ret;
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},
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[&]( const nlohmann::json& aJson )
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{
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if( !aJson.is_object() )
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return;
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m_PcbNetColors.clear();
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for( const auto& pair : aJson.items() )
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{
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wxString key( pair.key().c_str(), wxConvUTF8 );
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m_PcbNetColors[key] = pair.value().get<KIGFX::COLOR4D>();
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}
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},
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{} ) );
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}
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NET_SETTINGS::~NET_SETTINGS()
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{
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// Release early before destroying members
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if( m_parent )
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{
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m_parent->ReleaseNestedSettings( this );
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m_parent = nullptr;
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}
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}
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const wxString& NET_SETTINGS::GetNetclassName( const wxString& aNetName ) const
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{
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static wxString defaultNetname = NETCLASS::Default;
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auto it = m_NetClassAssignments.find( aNetName );
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if( it == m_NetClassAssignments.end() )
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return defaultNetname;
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else
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return it->second;
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}
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static bool isSuperSub( wxChar c )
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{
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return c == '_' || c == '^';
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}
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bool NET_SETTINGS::ParseBusVector( const wxString& aBus, wxString* aName,
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std::vector<wxString>* aMemberList )
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{
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auto isDigit = []( wxChar c )
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{
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static wxString digits( wxT( "0123456789" ) );
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return digits.Contains( c );
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};
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size_t busLen = aBus.length();
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size_t i = 0;
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wxString prefix;
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wxString suffix;
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wxString tmp;
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long begin = 0;
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long end = 0;
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int braceNesting = 0;
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prefix.reserve( busLen );
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// Parse prefix
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//
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for( ; i < busLen; ++i )
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{
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if( aBus[i] == '{' )
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{
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if( i > 0 && isSuperSub( aBus[i-1] ) )
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braceNesting++;
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else
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return false;
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}
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else if( aBus[i] == '}' )
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{
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braceNesting--;
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}
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if( aBus[i] == ' ' || aBus[i] == ']' )
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return false;
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if( aBus[i] == '[' )
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break;
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prefix += aBus[i];
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}
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// Parse start number
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//
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i++; // '[' character
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if( i >= busLen )
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return false;
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for( ; i < busLen; ++i )
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{
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if( aBus[i] == '.' && i + 1 < busLen && aBus[i+1] == '.' )
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{
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tmp.ToLong( &begin );
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i += 2;
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break;
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}
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if( !isDigit( aBus[i] ) )
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return false;
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tmp += aBus[i];
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}
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// Parse end number
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//
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tmp = wxEmptyString;
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if( i >= busLen )
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return false;
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for( ; i < busLen; ++i )
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{
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if( aBus[i] == ']' )
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{
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tmp.ToLong( &end );
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++i;
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break;
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}
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if( !isDigit( aBus[i] ) )
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return false;
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tmp += aBus[i];
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}
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// Parse suffix
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//
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for( ; i < busLen; ++i )
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{
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if( aBus[i] == '}' )
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{
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braceNesting--;
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suffix += aBus[i];
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}
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else if( aBus[i] == '~' )
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{
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suffix += aBus[i];
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}
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else
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{
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return false;
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}
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}
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if( braceNesting != 0 )
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return false;
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if( begin == end )
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return false;
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else if( begin > end )
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std::swap( begin, end );
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if( aName )
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*aName = prefix;
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if( aMemberList )
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{
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for( long idx = begin; idx <= end; ++idx )
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{
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wxString str = prefix;
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str << idx;
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str << suffix;
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aMemberList->emplace_back( str );
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}
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}
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return true;
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}
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bool NET_SETTINGS::ParseBusGroup( wxString aGroup, wxString* aName,
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std::vector<wxString>* aMemberList )
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{
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size_t groupLen = aGroup.length();
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size_t i = 0;
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wxString prefix;
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wxString suffix;
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wxString tmp;
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int braceNesting = 0;
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prefix.reserve( groupLen );
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// Parse prefix
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//
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for( ; i < groupLen; ++i )
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{
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if( aGroup[i] == '{' )
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{
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if( i > 0 && isSuperSub( aGroup[i-1] ) )
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braceNesting++;
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else
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break;
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}
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else if( aGroup[i] == '}' )
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{
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braceNesting--;
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}
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if( aGroup[i] == ' ' || aGroup[i] == '[' || aGroup[i] == ']' )
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return false;
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prefix += aGroup[i];
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}
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if( braceNesting != 0 )
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return false;
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if( aName )
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*aName = prefix;
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// Parse members
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//
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i++; // '{' character
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if( i >= groupLen )
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return false;
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for( ; i < groupLen; ++i )
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{
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if( aGroup[i] == '{' )
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{
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if( i > 0 && isSuperSub( aGroup[i-1] ) )
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braceNesting++;
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else
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return false;
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}
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else if( aGroup[i] == '}' )
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{
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if( braceNesting )
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{
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braceNesting--;
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}
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else
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{
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if( aMemberList && !tmp.IsEmpty() )
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aMemberList->push_back( EscapeString( tmp, CTX_NETNAME ) );
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return true;
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}
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}
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// Commas aren't strictly legal, but we can be pretty sure what the author had in mind.
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if( aGroup[i] == ' ' || aGroup[i] == ',' )
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{
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if( aMemberList && !tmp.IsEmpty() )
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aMemberList->push_back( EscapeString( tmp, CTX_NETNAME ) );
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tmp.Clear();
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continue;
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}
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tmp += aGroup[i];
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}
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return false;
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}
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void NET_SETTINGS::ResolveNetClassAssignments( bool aRebuildFromScratch )
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{
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std::map<wxString, wxString> baseList;
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if( aRebuildFromScratch )
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{
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for( const std::pair<const wxString, NETCLASSPTR>& netclass : m_NetClasses )
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{
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for( const wxString& net : *netclass.second )
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baseList[ net ] = netclass.second->GetName();
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}
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}
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else
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{
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baseList = m_NetClassAssignments;
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}
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m_NetClassAssignments.clear();
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for( const auto& ii : baseList )
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{
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m_NetClassAssignments[ ii.first ] = ii.second;
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wxString unescaped = UnescapeString( ii.first );
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wxString prefix;
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std::vector<wxString> members;
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if( ParseBusVector( unescaped, &prefix, &members ) )
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{
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prefix = wxEmptyString;
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}
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else if( ParseBusGroup( unescaped, &prefix, &members ) )
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{
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if( !prefix.IsEmpty() )
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prefix += wxT( "." );
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}
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for( wxString& member : members )
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m_NetClassAssignments[ prefix + member ] = ii.second;
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}
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}
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