sidbuilder.h

/*
 * This file is part of libsidplayfp, a SID player engine.
 *
 * Copyright 2011-2013 Leandro Nini <drfiemost@users.sourceforge.net>
 * Copyright 2007-2010 Antti Lankila
 * Copyright 2000-2001 Simon White
 *
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
 
#ifndef SIDBUILDER_H
#define SIDBUILDER_H
 
#include <set>
#include <string>
 
#include "sidplayfp/SidConfig.h"
 
class sidemu;
class EventContext;
 
class sidbuilder
{
protected:
    typedef std::set<sidemu*> emuset_t;
 
private:
    const char * const m_name;
 
protected:
    std::string m_errorBuffer;
 
    emuset_t sidobjs;
 
    bool m_status;
 
protected:
    template<class Temu, typename Tparam>
    class applyParameter
    {
    protected:
        Tparam m_param;
        void (Temu::*m_method)(Tparam);
 
    public:
        applyParameter(void (Temu::*method)(Tparam), Tparam param) :
            m_param(param),
            m_method(method) {}
        void operator() (sidemu *e) { (static_cast<Temu*>(e)->*m_method)(m_param); }
    };
 
public:
    sidbuilder(const char * const name) :
        m_name(name),
        m_errorBuffer("N/A"),
        m_status (true) {}
    virtual ~sidbuilder() {}
 
    unsigned int usedDevices() const { return sidobjs.size (); }
 
    virtual unsigned int availDevices() const = 0;
 
    virtual unsigned int create(unsigned int sids) = 0;
 
    sidemu *lock(EventContext *env, SidConfig::sid_model_t model);
 
    void unlock(sidemu *device);
 
    void remove();
 
    const char *name() const { return m_name; }
 
    const char *error() const { return m_errorBuffer.c_str(); }
 
    bool getStatus() const { return m_status; }
 
    virtual const char *credits() const = 0;
 
    virtual void filter(bool enable) = 0;
};
 
#endif // SIDBUILDER_H