pcb_io_easyeda_plugin.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2023 Alex Shvartzkop <[email protected]>
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#include <io/easyeda/easyeda_parser_structs.h>
#include <pcb_io/easyeda/pcb_io_easyeda_plugin.h>
#include <pcb_io/easyeda/pcb_io_easyeda_parser.h>
#include <pcb_io/pcb_io.h>
 
#include <font/fontconfig.h>
#include <progress_reporter.h>
#include <common.h>
#include <macros.h>
#include <board.h>
#include <footprint.h>
#include <board_design_settings.h>
#include <project/net_settings.h>
#include <reporter.h>
 
#include <wx/log.h>
#include <wx/wfstream.h>
#include <wx/zipstrm.h>
#include <wx/stdstream.h>
 
#include <json_common.h>
#include <core/map_helpers.h>
 
 
PCB_IO_EASYEDA::PCB_IO_EASYEDA() : PCB_IO( wxS( "EasyEDA (JLCEDA) Standard" ) )
{
}
 
 
PCB_IO_EASYEDA::~PCB_IO_EASYEDA()
{
}
 
 
static bool FindBoardInStream( const wxString& aName, wxInputStream& aStream, nlohmann::json& aOut,
                               EASYEDA::DOCUMENT& aDoc )
{
    if( aName.Lower().EndsWith( wxS( ".json" ) ) )
    {
        wxStdInputStream sin( aStream );
        nlohmann::json   js = nlohmann::json::parse( sin, nullptr, false );
 
        if( js.is_discarded() )
            return false;
 
        EASYEDA::DOCUMENT doc = js.get<EASYEDA::DOCUMENT>();
 
        if( doc.head.docType == EASYEDA::DOC_TYPE::PCB
            || doc.head.docType == EASYEDA::DOC_TYPE::PCB_MODULE
            || doc.head.docType == EASYEDA::DOC_TYPE::PCB_COMPONENT )
        {
            aOut = js;
            aDoc = doc;
            return true;
        }
    }
    else if( aName.Lower().EndsWith( wxS( ".zip" ) ) )
    {
        std::shared_ptr<wxZipEntry> entry;
        wxZipInputStream            zip( aStream );
 
        if( !zip.IsOk() )
            return false;
 
        while( entry.reset( zip.GetNextEntry() ), entry.get() != NULL )
        {
            wxString name = entry->GetName();
 
            if( FindBoardInStream( name, zip, aOut, aDoc ) )
                return true;
        }
    }
 
    return false;
}
 
 
bool PCB_IO_EASYEDA::CanReadBoard( const wxString& aFileName ) const
{
    if( !PCB_IO::CanReadBoard( aFileName ) )
        return false;
 
    try
    {
        wxFFileInputStream in( aFileName );
        nlohmann::json     js;
        EASYEDA::DOCUMENT  doc;
 
        return FindBoardInStream( aFileName, in, js, doc );
    }
    catch( nlohmann::json::exception& )
    {
    }
    catch( std::exception& )
    {
    }
 
    return false;
}
 
 
bool PCB_IO_EASYEDA::CanReadFootprint( const wxString& aFileName ) const
{
    return CanReadBoard( aFileName );
}
 
 
bool PCB_IO_EASYEDA::CanReadLibrary( const wxString& aFileName ) const
{
    return CanReadBoard( aFileName );
}
 
 
void PCB_IO_EASYEDA::loadBoard( const wxString& aFileName, BOARD& aBoard, bool aIsNewLoad,
                                const std::map<std::string, UTF8>* aProperties, PROJECT* aProject )
{
    m_loadedFootprints.clear();
 
    m_props = aProperties;
    m_board = &aBoard;
 
    // Collect the font substitution warnings (RAII - automatically reset on scope exit)
    FONTCONFIG_REPORTER_SCOPE fontconfigScope( &LOAD_INFO_REPORTER::GetInstance() );
 
    if( m_progressReporter )
    {
        m_progressReporter->Report( wxString::Format( _( "Loading %s..." ), aFileName ) );
 
        if( !m_progressReporter->KeepRefreshing() )
            THROW_IO_CANCELLED();
    }
 
    PCB_IO_EASYEDA_PARSER parser( nullptr );
 
    try
    {
        wxFFileInputStream in( aFileName );
        nlohmann::json     js;
        EASYEDA::DOCUMENT  doc;
 
        if( !FindBoardInStream( aFileName, in, js, doc ) )
            THROW_IO_ERRORF( _( "Unable to find a valid board in '%s'" ), aFileName );
 
        EASYEDA::DOCUMENT_PCB pcbDoc = js.get<EASYEDA::DOCUMENT_PCB>();
 
        const int innerStart = 21;
        const int innerEnd = 52;
 
        int                              maxLayer = innerStart;
        std::map<PCB_LAYER_ID, wxString> layerNames;
 
        for( const wxString& layerLine : pcbDoc.layers )
        {
            wxArrayString parts = wxSplit( layerLine, '~', '\0' );
            int           layerId = wxAtoi( parts[0] );
            wxString      layerName = parts[1];
            wxString      layerColor = parts[2];
            wxString      visible = parts[3];
            wxString      active = parts[4];
            bool          enabled = parts[5] != wxS( "false" );
 
            if( layerId >= innerStart && layerId <= innerEnd && enabled )
                maxLayer = layerId + 1;
 
            layerNames[parser.LayerToKi( parts[0] )] = layerName;
        }
 
        m_board->SetCopperLayerCount( 2 + maxLayer - innerStart );
 
        for( auto& [klayer, name] : layerNames )
            m_board->SetLayerName( klayer, name );
 
        BOARD_DESIGN_SETTINGS&    bds = m_board->GetDesignSettings();
        std::shared_ptr<NETCLASS> defNetclass = bds.m_NetSettings->GetDefaultNetclass();
 
        if( pcbDoc.DRCRULE )
        {
            std::map<wxString, nlohmann::json>& rules = *pcbDoc.DRCRULE;
 
            if( auto defRules = get_opt( rules, "Default" ) )
            {
                wxString key;
 
                key = wxS( "trackWidth" );
                if( defRules->find( key ) != defRules->end() && defRules->at( key ).is_number() )
                {
                    double val = parser.ScaleSize( defRules->at( key ) );
                    defNetclass->SetTrackWidth( val );
                }
 
                key = wxS( "clearance" );
                if( defRules->find( key ) != defRules->end() && defRules->at( key ).is_number() )
                {
                    double val = parser.ScaleSize( defRules->at( key ) );
                    defNetclass->SetClearance( val );
                }
 
                key = wxS( "viaHoleD" );
                if( defRules->find( key ) != defRules->end() && defRules->at( key ).is_number() )
                {
                    double val = parser.ScaleSize( defRules->at( key ) );
 
                    defNetclass->SetViaDrill( val );
                }
 
                key = wxS( "viaHoleDiameter" ); // Yes, this is via diameter, not drill diameter
                if( defRules->find( key ) != defRules->end() && defRules->at( key ).is_number() )
                {
                    double val = parser.ScaleSize( defRules->at( key ) );
                    defNetclass->SetViaDiameter( val );
                }
            }
        }
 
        VECTOR2D origin( doc.head.x, doc.head.y );
        parser.ParseBoard( m_board, origin, m_loadedFootprints, doc.shape );
 
        // Center the board
        BOX2I     outlineBbox = m_board->ComputeBoundingBox( true, true );
        PAGE_INFO pageInfo = m_board->GetPageSettings();
 
        VECTOR2D pageCenter( pcbIUScale.MilsToIU( pageInfo.GetWidthMils() / 2 ),
                             pcbIUScale.MilsToIU( pageInfo.GetHeightMils() / 2 ) );
 
        VECTOR2D offset = pageCenter - outlineBbox.GetCenter();
 
        int alignGrid = pcbIUScale.mmToIU( 10 );
        offset.x = KiROUND( offset.x / alignGrid ) * alignGrid;
        offset.y = KiROUND( offset.y / alignGrid ) * alignGrid;
 
        m_board->Move( offset );
        bds.SetAuxOrigin( offset );
    }
    catch( nlohmann::json::exception& e )
    {
        THROW_IO_ERRORF( _( "Error loading board '%s': %s" ), aFileName, e.what() );
    }
    catch( std::exception& e )
    {
        THROW_IO_ERRORF( _( "Error loading board '%s': %s" ), aFileName, e.what() );
    }
}
 
 
long long PCB_IO_EASYEDA::GetLibraryTimestamp( const wxString& aLibraryPath ) const
{
    return 0;
}
 
 
void PCB_IO_EASYEDA::FootprintEnumerate( wxArrayString&  aFootprintNames,
                                         const wxString& aLibraryPath, bool aBestEfforts,
                                         const std::map<std::string, UTF8>* aProperties )
{
    try
    {
        wxFFileInputStream in( aLibraryPath );
        nlohmann::json     js;
        EASYEDA::DOCUMENT  doc;
 
        if( !FindBoardInStream( aLibraryPath, in, js, doc ) )
            THROW_IO_ERRORF( _( "Unable to find valid footprints in '%s'" ), aLibraryPath );
 
        if( doc.head.docType == EASYEDA::DOC_TYPE::PCB
            || doc.head.docType == EASYEDA::DOC_TYPE::PCB_MODULE )
        {
            for( wxString shap : doc.shape )
            {
                shap.Replace( wxS( "#@$" ), "\n" );
                wxArrayString parts = wxSplit( shap, '\n', '\0' );
 
                if( parts.size() < 1 )
                    continue;
 
                wxArrayString paramsRoot = wxSplit( parts[0], '~', '\0' );
 
                if( paramsRoot.size() < 1 )
                    continue;
 
                wxString rootType = paramsRoot[0];
 
                if( rootType == wxS( "LIB" ) )
                {
                    if( paramsRoot.size() < 4 )
                        continue;
 
                    wxString packageName = wxString::Format( wxS( "Unknown_%s_%s" ), paramsRoot[1],
                                                             paramsRoot[2] );
 
                    wxArrayString paramParts = wxSplit( paramsRoot[3], '`', '\0' );
 
                    std::map<wxString, wxString> paramMap;
 
                    for( int i = 1; i < (int) paramParts.size(); i += 2 )
                    {
                        wxString key = paramParts[i - 1];
                        wxString value = paramParts[i];
 
                        if( key == wxS( "package" ) )
                            packageName = value;
 
                        paramMap[key] = value;
                    }
 
                    aFootprintNames.Add( packageName );
                }
            }
        }
        else if( doc.head.docType == EASYEDA::DOC_TYPE::PCB_COMPONENT )
        {
            EASYEDA::DOCUMENT_PCB pcbDoc = js.get<EASYEDA::DOCUMENT_PCB>();
 
            wxString packageName = wxString::Format( wxS( "Unknown_%s" ),
                                                     pcbDoc.uuid.value_or( wxS( "Unknown" ) ) );
 
            std::optional<std::map<wxString, wxString>> c_para;
 
            if( pcbDoc.c_para )
                c_para = pcbDoc.c_para;
            else if( doc.head.c_para )
                c_para = doc.head.c_para;
 
            if( c_para )
                packageName = get_def( *c_para, wxS( "package" ), packageName );
 
            aFootprintNames.Add( packageName );
        }
    }
    catch( nlohmann::json::exception& e )
    {
        THROW_IO_ERRORF( _( "Error enumerating footprints in library '%s': %s" ), aLibraryPath, e.what() );
    }
    catch( std::exception& e )
    {
        THROW_IO_ERRORF( _( "Error enumerating footprints in library '%s': %s" ), aLibraryPath, e.what() );
    }
}
 
 
std::unique_ptr<FOOTPRINT> PCB_IO_EASYEDA::FootprintLoad( const wxString& aLibraryPath, const wxString& aFootprintName,
                                                          bool                               aKeepUUID,
                                                          const std::map<std::string, UTF8>* aProperties )
{
    // Suppress font substitution warnings (RAII - automatically restored on scope exit)
    FONTCONFIG_REPORTER_SCOPE fontconfigScope( nullptr );
 
    PCB_IO_EASYEDA_PARSER parser( nullptr );
 
    m_loadedFootprints.clear();
 
    try
    {
        wxFFileInputStream in( aLibraryPath );
        nlohmann::json     js;
        EASYEDA::DOCUMENT  doc;
 
        if( !FindBoardInStream( aLibraryPath, in, js, doc ) )
            THROW_IO_ERRORF( _( "Unable to find valid footprints in '%s'" ), aLibraryPath );
 
        if( doc.head.docType == EASYEDA::DOC_TYPE::PCB
            || doc.head.docType == EASYEDA::DOC_TYPE::PCB_MODULE )
        {
            for( wxString shap : doc.shape )
            {
                if( !shap.Contains( wxS( "LIB" ) ) )
                    continue;
 
                shap.Replace( wxS( "#@$" ), "\n" );
                wxArrayString parts = wxSplit( shap, '\n', '\0' );
 
                if( parts.size() < 1 )
                    continue;
 
                wxArrayString paramsRoot = wxSplit( parts[0], '~', '\0' );
 
                if( paramsRoot.size() < 1 )
                    continue;
 
                wxString rootType = paramsRoot[0];
 
                if( rootType == wxS( "LIB" ) )
                {
                    if( paramsRoot.size() < 4 )
                        continue;
 
                    VECTOR2D origin( parser.Convert( paramsRoot[1] ),
                                     parser.Convert( paramsRoot[2] ) );
 
                    wxString packageName = wxString::Format( wxS( "Unknown_%s_%s" ), paramsRoot[1],
                                                             paramsRoot[2] );
 
                    wxArrayString paramParts = wxSplit( paramsRoot[3], '`', '\0' );
 
                    std::map<wxString, wxString> paramMap;
 
                    for( int i = 1; i < (int) paramParts.size(); i += 2 )
                    {
                        wxString key = paramParts[i - 1];
                        wxString value = paramParts[i];
 
                        if( key == wxS( "package" ) )
                            packageName = value;
 
                        paramMap[key] = value;
                    }
 
                    EDA_ANGLE orientation;
                    if( !paramsRoot[4].IsEmpty() )
                        orientation = EDA_ANGLE( parser.Convert( paramsRoot[4] ), DEGREES_T );
 
                    int layer = 1;
 
                    if( !paramsRoot[7].IsEmpty() )
                        layer = parser.Convert( paramsRoot[7] );
 
                    if( packageName == aFootprintName )
                    {
                        parts.RemoveAt( 0 );
 
                        std::unique_ptr<FOOTPRINT> footprint = parser.ParseFootprint(
                                origin, orientation, layer, nullptr, paramMap, m_loadedFootprints, parts );
 
                        if( !footprint )
                            return nullptr;
 
                        footprint->Reference().SetPosition( VECTOR2I() );
                        footprint->Reference().SetTextAngle( ANGLE_0 );
                        footprint->Reference().SetVisible( true );
 
                        footprint->Value().SetPosition( VECTOR2I() );
                        footprint->Value().SetTextAngle( ANGLE_0 );
                        footprint->Value().SetVisible( true );
 
                        footprint->AutoPositionFields();
 
                        return footprint;
                    }
                }
            }
        }
        else if( doc.head.docType == EASYEDA::DOC_TYPE::PCB_COMPONENT )
        {
            EASYEDA::DOCUMENT_PCB pcbDoc = js.get<EASYEDA::DOCUMENT_PCB>();
 
            wxString packageName = wxString::Format( wxS( "Unknown_%s" ),
                                                     pcbDoc.uuid.value_or( wxS( "Unknown" ) ) );
 
            std::optional<std::map<wxString, wxString>> c_para;
 
            if( pcbDoc.c_para )
                c_para = pcbDoc.c_para;
            else if( doc.head.c_para )
                c_para = doc.head.c_para;
 
            if( c_para )
            {
                packageName = get_def( *c_para, wxS( "package" ), packageName );
 
                if( packageName != aFootprintName )
                    return nullptr;
 
                VECTOR2D origin( doc.head.x, doc.head.y );
 
                std::unique_ptr<FOOTPRINT> footprint( parser.ParseFootprint( origin, ANGLE_0, F_Cu, nullptr, *c_para,
                                                                             m_loadedFootprints, doc.shape ) );
 
                if( !footprint )
                    return nullptr;
 
                footprint->Reference().SetPosition( VECTOR2I() );
                footprint->Reference().SetTextAngle( ANGLE_0 );
                footprint->Reference().SetVisible( true );
 
                footprint->Value().SetPosition( VECTOR2I() );
                footprint->Value().SetTextAngle( ANGLE_0 );
                footprint->Value().SetVisible( true );
 
                footprint->AutoPositionFields();
 
                return footprint;
            }
        }
    }
    catch( nlohmann::json::exception& e )
    {
        THROW_IO_ERRORF( _( "Error reading footprint '%s' from library '%s': %s" ),
                         aFootprintName,
                         aLibraryPath,
                         e.what() );
    }
    catch( std::exception& e )
    {
        THROW_IO_ERRORF( _( "Error reading footprint '%s' from library '%s': %s" ),
                         aFootprintName,
                         aLibraryPath,
                         e.what() );
    }
 
    return nullptr;
}
 
 
std::vector<FOOTPRINT*> PCB_IO_EASYEDA::GetImportedCachedLibraryFootprints()
{
    std::vector<FOOTPRINT*> result;
 
    for( auto& [fpUuid, footprint] : m_loadedFootprints )
    {
        result.push_back( static_cast<FOOTPRINT*>( footprint->Clone() ) );
    }
 
    return result;
}