job_registry.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2024 Mark Roszko <[email protected]>
 * Copyright (C) 2024 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/>.
 */
 
#pragma once
 
#include <jobs/job.h>
#include <kiway.h>
 
struct KICOMMON_API JOB_REGISTRY_ENTRY
{
public:
    KIWAY::FACE_T         kifaceType;
    std::function<JOB*()> createFunc;
    wxString              title;
};
 
class KICOMMON_API JOB_REGISTRY
{
public:
    typedef std::unordered_map<wxString, JOB_REGISTRY_ENTRY> REGISTRY_MAP_T;
 
    static bool Add( const wxString& aName, JOB_REGISTRY_ENTRY entry );
 
    static KIWAY::FACE_T GetKifaceType( const wxString& aName );
 
    template <typename T>
    static T* CreateInstance( const wxString& aName )
    {
        REGISTRY_MAP_T& registry = getRegistry();
        if( registry.find( aName ) == registry.end() )
        {
            return nullptr;
        }
 
        return registry[aName].createFunc();
    }
 
    static const REGISTRY_MAP_T& GetRegistry() {
        return getRegistry();
    }
 
private:
    // Use Meyer's singleton to prevent SIOF
    static REGISTRY_MAP_T& getRegistry();
};
 
#define REGISTER_JOB( job_name, title, face, T ) bool job_name##_entry = JOB_REGISTRY::Add( #job_name, \
                                                            { face, []()                               \
                                                            {                                          \
                                                                return new T( true );                  \
                                                            },                                         \
                                                            title } )
// newline required to appease warning for REGISTER_JOB macro