/* SLV2
 * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
 *  
 * This library 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 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef __SLV2_PRIVATE_TYPES_H__
#define __SLV2_PRIVATE_TYPES_H__

#ifdef __cplusplus
extern "C" {
#endif

#include <stdbool.h>
#include <stddef.h>
#include <librdf.h>
#include <slv2/pluginlist.h>
#include <slv2/pluginclasses.h>


/** Reference to a port on some plugin.
 */
struct _Port {
	uint32_t index;   ///< LV2 index
	char*    symbol;  ///< LV2 symbol
	//char*    node_id; ///< RDF Node ID
};


SLV2Port slv2_port_new(uint32_t index, const char* symbol/*, const char* node_id*/);
SLV2Port slv2_port_duplicate(SLV2Port port);
void     slv2_port_free(SLV2Port port);


/** Record of an installed/available plugin.
 *
 * A simple reference to a plugin somewhere on the system. This just holds
 * paths of relevant files, the actual data therein isn't loaded into memory.
 */
struct _Plugin {
	struct _World*   world;
	librdf_uri*      plugin_uri;
//	char*            bundle_url; // Bundle directory plugin was loaded from
	char*            binary_uri; // lv2:binary
	SLV2PluginClass  plugin_class;
	raptor_sequence* data_uris;  // rdfs::seeAlso
	raptor_sequence* ports;
	librdf_storage*  storage;
	librdf_model*    rdf;
};

SLV2Plugin slv2_plugin_new(SLV2World world, librdf_uri* uri, const char* binary_uri);
void       slv2_plugin_load(SLV2Plugin p);
void       slv2_plugin_free(SLV2Plugin plugin);


/** Create a new, empty plugin list.
 *
 * Returned object must be freed with slv2_plugins_free.
 */
SLV2Plugins
slv2_plugins_new();


/** Pimpl portion of SLV2Instance */
struct _InstanceImpl {
	void* lib_handle;
};


struct _PluginClass {
	char* uri;
	char* label;
};

SLV2PluginClass slv2_plugin_class_new(const char* uri, const char* label);
void            slv2_plugin_class_free(SLV2PluginClass class);

SLV2PluginClasses slv2_plugin_classes_new();
void              slv2_plugin_classes_free();

/** Model of LV2 (RDF) data loaded from bundles.
 */
struct _World {
	librdf_world*     world;
	librdf_storage*   storage;
	librdf_model*     model;
	librdf_parser*    parser;
	SLV2PluginClasses plugin_classes;
	SLV2Plugins       plugins;
};

/** Load all bundles found in \a search_path.
 *
 * \param search_path A colon-delimited list of directories.  These directories
 * should contain LV2 bundle directories (ie the search path is a list of
 * parent directories of bundles, not a list of bundle directories).
 *
 * If \a search_path is NULL, \a world will be unmodified.
 * Use of this function is \b not recommended.  Use \ref slv2_world_load_all.
 */
void
slv2_world_load_path(SLV2World   world,
                     const char* search_path);


#ifdef __cplusplus
}
#endif

#endif /* __SLV2_PRIVATE_TYPES_H__ */