sch_io_pads.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2025 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 3
 * 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 <http://www.gnu.org/licenses/>.
 */
 
#ifndef SCH_IO_PADS_H_
#define SCH_IO_PADS_H_
 
#include <sch_io/sch_io.h>
#include <sch_io/sch_io_mgr.h>
 
#include <map>
#include <memory>
#include <unordered_map>
 
class SCH_SCREEN;
class SCH_SHEET;
class SCHEMATIC;
class LIB_SYMBOL;

class SCH_IO_PADS : public SCH_IO
{
public:
    SCH_IO_PADS();
    ~SCH_IO_PADS();
 
    const IO_BASE::IO_FILE_DESC GetSchematicFileDesc() const override
    {
        return IO_BASE::IO_FILE_DESC( _HKI( "PADS Logic schematic files" ), { "asc", "txt" } );
    }
 
    const IO_BASE::IO_FILE_DESC GetLibraryDesc() const override
    {
        return IO_BASE::IO_FILE_DESC( _HKI( "PADS Logic library files" ), { "asc", "txt" } );
    }
 
    bool CanReadSchematicFile( const wxString& aFileName ) const override;
    bool CanReadLibrary( const wxString& aFileName ) const override;
 
    int GetModifyHash() const override { return 0; }
 
    SCH_SHEET* LoadSchematicFile( const wxString& aFileName, SCHEMATIC* aSchematic,
                                  SCH_SHEET*             aAppendToMe = nullptr,
                                  const std::map<std::string, UTF8>* aProperties = nullptr ) override;
 
    void EnumerateSymbolLib( wxArrayString& aSymbolNameList, const wxString& aLibraryPath,
                             const std::map<std::string, UTF8>* aProperties = nullptr ) override;
 
    void EnumerateSymbolLib( std::vector<LIB_SYMBOL*>& aSymbolList, const wxString& aLibraryPath,
                             const std::map<std::string, UTF8>* aProperties = nullptr ) override;
 
    LIB_SYMBOL* LoadSymbol( const wxString& aLibraryPath, const wxString& aPartName,
                            const std::map<std::string, UTF8>* aProperties = nullptr ) override;
 
    bool IsLibraryWritable( const wxString& aLibraryPath ) override { return false; }
 
private:
    bool checkFileHeader( const wxString& aFileName ) const;

    void ensureLoadedLibrary( const wxString& aLibraryPath );
 
    long long getLibraryTimestamp( const wxString& aLibraryPath ) const;
 
    std::unordered_map<wxString, SEVERITY> m_errorMessages;
 
    wxString                                            m_cachedLibraryPath;
    long long                                           m_cachedLibraryTimestamp = 0;
    bool                                                m_libraryCacheValid = false;
    std::map<wxString, std::unique_ptr<LIB_SYMBOL>>     m_librarySymbols;
};
 
#endif // SCH_IO_PADS_H_