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/*
* Copyright (C) 2009-2010 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO 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 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO 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 DOUBANGO.
*
*/
/**@file tsdp_header.h
* @brief Defines a SDP header/line (<type>=<value>).
*
* @author Mamadou Diop <diopmamadou(at)doubango.org>
*
* @date Created: Sat Nov 8 16:54:58 2009 mdiop
*/
#ifndef TINYSDP_HEADER_H
#define TINYSDP_HEADER_H
#include "tinysdp_config.h"
#include "tsk_ragel_state.h"
#include "tsk_list.h"
TSDP_BEGIN_DECLS
struct tsdp_header_s;
#define TSDP_HEADER(self) ((tsdp_header_t*)(self))
#define TSDP_HEADER_CONST(self) ((const tsdp_header_t*)(self))
#define TSDP_HEADER_VALUE_TOSTRING_F(self) ((tsdp_header_value_tostring_f)(self))
typedef int (*tsdp_header_value_tostring_f)(const struct tsdp_header_s* header, tsk_buffer_t* output);
typedef struct tsdp_header_s* (*tsdp_header_clone_f)(const struct tsdp_header_s* header);
#define TSDP_HTYPE_V_RANK 0
#define TSDP_HTYPE_O_RANK 1
#define TSDP_HTYPE_S_RANK 2
#define TSDP_HTYPE_I_RANK 3
#define TSDP_HTYPE_U_RANK 4
#define TSDP_HTYPE_E_RANK 5
#define TSDP_HTYPE_P_RANK 6
#define TSDP_HTYPE_C_RANK 7
#define TSDP_HTYPE_B_RANK 8
#define TSDP_HTYPE_Z_RANK 9
#define TSDP_HTYPE_K_RANK 10
#define TSDP_HTYPE_A_RANK 11
#define TSDP_HTYPE_T_RANK 12
#define TSDP_HTYPE_R_RANK 13
#define TSDP_HTYPE_M_RANK 14
//#define TSDP_HTYPE_I_RANK 15
//#define TSDP_HTYPE_C_RANK 16
//#define TSDP_HTYPE_B_RANK 17
#define TSDP_HTYPE_DUMMY_RANK 255
/**
* @enum tsdp_header_type_e
*
* @brief List of all supported headers.
**/
typedef enum tsdp_header_type_e
{
tsdp_htype_A,
tsdp_htype_B,
tsdp_htype_C,
tsdp_htype_Dummy,
tsdp_htype_E,
tsdp_htype_I,
tsdp_htype_K,
tsdp_htype_M,
tsdp_htype_O,
tsdp_htype_P,
tsdp_htype_R,
tsdp_htype_S,
tsdp_htype_T,
tsdp_htype_U,
tsdp_htype_V,
tsdp_htype_Z
}
tsdp_header_type_t;
/*================================
*/
typedef struct tsdp_header_s
{
TSK_DECLARE_OBJECT;
tsdp_header_type_t type;
//! Because all SDP headers shall appear in a fixed order, the rank is used to place each header.
// Info: RFC 4566 - 5. SDP Specification.
uint8_t rank;
tsdp_header_value_tostring_f tostring;
tsdp_header_clone_f clone;
}
tsdp_header_t;
#define TSDP_DECLARE_HEADER tsdp_header_t __header__
typedef tsk_list_t tsdp_headers_L_t; /**< List of @ref tsdp_header_t elements. */
/*
================================*/
int tsdp_header_rank_cmp(const tsdp_header_t*, const tsdp_header_t*);
TINYSDP_API tsdp_header_t* tsdp_header_clone(const tsdp_header_t*);
TINYSDP_API char tsdp_header_get_name(tsdp_header_type_t type);
TINYSDP_API char tsdp_header_get_nameex(const tsdp_header_t *self);
TINYSDP_API int tsdp_header_serialize(const tsdp_header_t *self, tsk_buffer_t *output);
TINYSDP_API char* tsdp_header_tostring(const tsdp_header_t *self);
TSDP_END_DECLS
#endif /* TINYSDP_HEADER_H */
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