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// license:BSD-3-Clause
// copyright-holders:Couriersud
/***************************************************************************
osdmodule.h
OSD module management
*******************************************************************c********/
#ifndef MAME_OSD_MODULES_OSDMODULE_H
#define MAME_OSD_MODULES_OSDMODULE_H
#pragma once
#include "osdcore.h"
#include "osdepend.h"
#include <functional>
#include <memory>
#include <string>
#include <vector>
//============================================================
// TYPE DEFINITIONS
//============================================================
class osd_options;
// ======================> osd_module
class osd_module
{
public:
virtual ~osd_module() { }
std::string const &name() const { return m_name; }
std::string const &type() const { return m_type; }
virtual bool probe() { return true; }
virtual int init(const osd_options &options) = 0;
virtual void exit() { }
protected:
osd_module(const char *type, const char *name) : m_name(name), m_type(type) { }
osd_module(osd_module const &) = delete;
private:
std::string const m_name;
std::string const m_type;
};
// a module_type is simply a pointer to its alloc function
typedef std::unique_ptr<osd_module> (*module_type)();
// this template function creates a stub which constructs a module
template <class ModuleClass>
std::unique_ptr<osd_module> module_creator()
{
return std::unique_ptr<osd_module>(new ModuleClass);
}
class osd_module_manager
{
public:
osd_module_manager();
~osd_module_manager();
void register_module(const module_type &mod_type);
bool type_has_name(const char *type, const char *name) const;
osd_module *get_module_generic(const char *type, const char *name);
template<class C>
C select_module(const char *type, const char *name = "")
{
return dynamic_cast<C>(select_module(type, name));
}
osd_module *select_module(const char *type, const char *name = "");
void get_module_names(const char *type, const int max, int &num, const char *names[]) const;
void init(const osd_options &options);
void exit();
private:
int get_module_index(const char *type, const char *name) const;
std::vector<std::unique_ptr<osd_module> > m_modules;
std::vector<std::reference_wrapper<osd_module> > m_selected;
};
#define MODULE_DEFINITION(mod_id, mod_class) \
extern const module_type mod_id ; \
const module_type mod_id = &module_creator< mod_class >;
#define MODULE_NOT_SUPPORTED(mod_class, mod_type, mod_name) \
class mod_class : public osd_module { \
public: \
mod_class () : osd_module(mod_type, mod_name) { } \
virtual ~mod_class() { } \
virtual int init(const osd_options &options) override { return -1; } \
virtual bool probe() override { return false; } \
};
#endif /* MAME_OSD_MODULES_OSDMODULE_H */
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