/*
  Copyright(C) 2010-2016 Brazil

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library 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
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/

#pragma once

#include "grn.h"
#include "grn_ctx.h"
#include "grn_store.h"

#ifdef __cplusplus
extern "C" {
#endif

#ifdef WIN32
typedef HINSTANCE grn_dl;
typedef FARPROC grn_dl_symbol;

#else
typedef void * grn_dl;
typedef void * grn_dl_symbol;
#endif

typedef struct _grn_plugin grn_plugin;

struct _grn_plugin {
  char path[PATH_MAX];
  grn_dl dl;
  grn_plugin_func init_func;
  grn_plugin_func register_func;
  grn_plugin_func unregister_func;
  grn_plugin_func fin_func;
  int refcount;
};

void grn_plugin_init_from_env(void);
grn_rc grn_plugins_init(void);
grn_rc grn_plugins_fin(void);
grn_id grn_plugin_open(grn_ctx *ctx, const char *filename);
grn_rc grn_plugin_close(grn_ctx *ctx, grn_id id);
grn_id grn_plugin_reference(grn_ctx *ctx, const char *filename);
const char *grn_plugin_path(grn_ctx *ctx, grn_id id);
char *grn_plugin_find_path(grn_ctx *ctx, const char *name);
void grn_plugin_ensure_registered(grn_ctx *ctx, grn_obj *proc);

#ifdef __cplusplus
}
#endif
