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/**

 * Artha - Free cross-platform open thesaurus

 * Copyright (C) 2009  Sundaram Ramaswamy, legends2k@yahoo.com

 *

 * Artha 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.

 *

 * Artha 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 Artha; if not, see <http://www.gnu.org/licenses/>.

 */





/*

	Header suggestions.h



	Dynamic loading of libenchant for spell checks using 

	GLib's GModule. Prototypes must match with those in 

	enchant.h and enchant-provider.h

*/



#ifndef SUGGESTIONS_H

#define SUGGESTIONS_H





#include <sys/types.h>

#include <gmodule.h>

#include "wni.h"





#define ENCHANT_FILE		"libenchant.so.1"

#define DICT_TAG_ENGLISH	"en"

#define DICT_ENGLISH_PREFIX	"en_"

#define	DICT_TAG_MAX_LENGTH	7





#define FUNC_BROKER_INIT	"enchant_broker_init"

#define FUNC_BROKER_FREE	"enchant_broker_free"

#define FUNC_BROKER_DICT_EXISTS	"enchant_broker_dict_exists"

#define FUNC_BROKER_LIST_DICTS	"enchant_broker_list_dicts"

#define FUNC_BROKER_REQ_DICT	"enchant_broker_request_dict"

#define FUNC_BROKER_FREE_DICT	"enchant_broker_free_dict"

#define FUNC_DICT_CHECK		"enchant_dict_check"

#define FUNC_DICT_SUGGEST	"enchant_dict_suggest"

#define FUNC_DICT_FREE_STRINGS	"enchant_dict_free_string_list"

#define FUNC_DICT_FREE_SUGGESTS	"enchant_dict_free_suggestions"





//Structure Prototypes



typedef struct str_enchant_broker EnchantBroker;

typedef struct str_enchant_dict   EnchantDict;



struct str_enchant_dict

{

	void *user_data;

	void *enchant_private_data;



	int (*check) (struct str_enchant_dict * me, const char *const word,

			  size_t len);



	/* returns utf8*/

	char **(*suggest) (struct str_enchant_dict * me,

			   const char *const word, size_t len,

			   size_t * out_n_suggs);

	

	void (*add_to_personal) (struct str_enchant_dict * me,

				 const char *const word, size_t len);

	

	void (*add_to_session) (struct str_enchant_dict * me,

				const char *const word, size_t len);

	

	void (*store_replacement) (struct str_enchant_dict * me,

				   const char *const mis, size_t mis_len,

				   const char *const cor, size_t cor_len);

	

	void (*add_to_exclude) (struct str_enchant_dict * me,

				 const char *const word, size_t len);

	

	void * _reserved[5];

};

	

struct str_enchant_provider

{

	void *user_data;

	void *enchant_private_data;

	EnchantBroker * owner;

	

	void (*dispose) (struct str_enchant_provider * me);

	

	EnchantDict *(*request_dict) (struct str_enchant_provider * me,

					  const char *const tag);

	

	void (*dispose_dict) (struct str_enchant_provider * me,

				  EnchantDict * dict);

	

	int (*dictionary_exists) (struct str_enchant_provider * me,

				  const char *const tag);



	/* returns utf8*/

	const char * (*identify) (struct str_enchant_provider * me);

	/* returns utf8*/

	const  char * (*describe) (struct str_enchant_provider * me);



	/* frees string lists returned by list_dicts and dict->sugges	EnchantBroker *spell_broker = NULL;

	EnchantDict *dict = NULL;t */

	void (*free_string_list) (struct str_enchant_provider * me,

				  char **str_list);



	char ** (*list_dicts) (struct str_enchant_provider * me,

							   size_t * out_n_dicts);



	void * _reserved[5];

};





//Function Prototypes



typedef void	(*EnchantDictDescribeFn)		(const char * const lang_tag, const char * const provider_name,

							 const char * const provider_desc, const char * const provider_file,

							 void * user_data);



G_BEGIN_DECLS





EnchantBroker*	(*enchant_broker_init)			(void) = NULL;

void		(*enchant_broker_free)			(EnchantBroker * broker) = NULL;





int		(*enchant_broker_dict_exists)		(EnchantBroker * broker, const char * const tag) = NULL;

void		(*enchant_broker_list_dicts)		(EnchantBroker * broker, EnchantDictDescribeFn fn, void * user_data) = NULL;

EnchantDict*	(*enchant_broker_request_dict)		(EnchantBroker * broker, const char *const tag) = NULL;

void		(*enchant_broker_free_dict)		(EnchantBroker * broker, EnchantDict * dict) = NULL;





int		(*enchant_dict_check)			(EnchantDict * dict, const char *const word, ssize_t len) = NULL;

char**		(*enchant_dict_suggest)			(EnchantDict * dict, const char *const word, ssize_t len, size_t * out_n_suggs) = NULL;

void		(*enchant_dict_free_string_list)	(EnchantDict * dict, char **string_list) = NULL;



// free suggestions is depricated, only if enchant_dict_free_string_list is not available, should it be used

//void		(*enchant_dict_free_suggestions)	(EnchantDict * dict, char **suggestions) = NULL;



char*		(*enchant_dict_get_error)		(EnchantDict * dict) = NULL;

char*		(*enchant_broker_get_error)		(EnchantBroker * broker) = NULL;





G_END_DECLS



// Global variables



GModule *mod_enchant = NULL;

EnchantBroker *enchant_broker = NULL;

EnchantDict *enchant_dict = NULL;



#endif