/*-

 * Copyright (c) 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.

 * Redistribution and modifications are permitted subject to BSD license.

 */

#ifndef	_XER_ENCODER_H_

#define	_XER_ENCODER_H_

#include <asn_application.h>

#ifdef __cplusplus

extern "C" {

#endif

struct asn_TYPE_descriptor_s;	/* Forward declaration */

/* Flags used by the xer_encode() and (*xer_type_encoder_f), defined below */

enum xer_encoder_flags_e {

	/* Mode of encoding */

	XER_F_BASIC	= 0x01,	/* BASIC-XER (pretty-printing) */

	XER_F_CANONICAL	= 0x02	/* Canonical XER (strict rules) */

};

/*

 * The XER encoder of any type. May be invoked by the application.

 */

asn_enc_rval_t xer_encode(struct asn_TYPE_descriptor_s *type_descriptor,

		void *struct_ptr,	/* Structure to be encoded */

		enum xer_encoder_flags_e xer_flags,

		asn_app_consume_bytes_f *consume_bytes_cb,

		void *app_key		/* Arbitrary callback argument */

	);

/*

 * The variant of the above function which dumps the BASIC-XER (XER_F_BASIC)

 * output into the chosen file pointer.

 * RETURN VALUES:

 * 	 0: The structure is printed.

 * 	-1: Problem printing the structure.

 * WARNING: No sensible errno value is returned.

 */

int xer_fprint(FILE *stream, struct asn_TYPE_descriptor_s *td, void *sptr);

/*

 * Type of the generic XER encoder.

 */

typedef asn_enc_rval_t (xer_type_encoder_f)(

		struct asn_TYPE_descriptor_s *type_descriptor,

		void *struct_ptr,	/* Structure to be encoded */

		int ilevel,		/* Level of indentation */

		enum xer_encoder_flags_e xer_flags,

		asn_app_consume_bytes_f *consume_bytes_cb,	/* Callback */

		void *app_key		/* Arbitrary callback argument */

	);

#ifdef __cplusplus

}

#endif

#endif	/* _XER_ENCODER_H_ */