1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/*
* Copyright (C) 2010-2011 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]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.c
* @brief Defines a SDP header/line (<type>=<value>).
*
* @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
*/
#include "tinysdp/headers/tsdp_header.h"
#include "tinysdp/headers/tsdp_header_Dummy.h"
#include "tsk_string.h"
int tsdp_header_rank_cmp(const tsdp_header_t* hdr1, const tsdp_header_t* hdr2)
{
if(hdr1 && hdr2) {
return (hdr1->rank - hdr2->rank);
}
else {
return -1;
}
}
tsdp_header_t* tsdp_header_clone(const tsdp_header_t* self)
{
if(self) {
return self->clone(self);
}
return tsk_null;
}
/** Gets the name of the SDP header with a type equal to @a type.
* @param type The @a type of the header for which to retrieve the name.
*
* @return The name of the header.
**/
char tsdp_header_get_name(tsdp_header_type_t type)
{
switch(type) {
case tsdp_htype_A:
return 'a';
case tsdp_htype_B:
return 'b';
case tsdp_htype_C:
return 'c';
case tsdp_htype_E:
return 'e';
case tsdp_htype_I:
return 'i';
case tsdp_htype_K:
return 'k';
case tsdp_htype_M:
return 'm';
case tsdp_htype_O:
return 'o';
case tsdp_htype_P:
return 'p';
case tsdp_htype_R:
return 'r';
case tsdp_htype_S:
return 's';
case tsdp_htype_T:
return 't';
case tsdp_htype_U:
return 'u';
case tsdp_htype_V:
return 'v';
case tsdp_htype_Z:
return 'z';
default:
return '*';
}
}
char tsdp_header_get_nameex(const tsdp_header_t *self)
{
if(self) {
if(self->type == tsdp_htype_Dummy) {
return ((tsdp_header_Dummy_t*)(self))->name;
}
else {
return tsdp_header_get_name(self->type);
}
}
return '*';
}
int tsdp_header_serialize(const tsdp_header_t *self, tsk_buffer_t *output)
{
static char name;
int ret = -1;
if(!self || !output) {
return -1;
}
/* Name */
name = tsdp_header_get_nameex(self);
tsk_buffer_append_2(output, "%c=", name);
/* Value */
if((ret = self->tostring(self, output))) {
// Abort?
}
/* CRLF*/
if(output->size>2) {
if(*(TSK_BUFFER_TO_U8(output)+TSK_BUFFER_SIZE(output)-2) != '\r'
&& *(TSK_BUFFER_TO_U8(output)+TSK_BUFFER_SIZE(output)-1) != '\n') {
ret = tsk_buffer_append(output, "\r\n", 2);
}
}
else {
ret = tsk_buffer_append(output, "\r\n", 2);
}
return ret;
}
char* tsdp_header_tostring(const tsdp_header_t *self)
{
tsk_buffer_t* output = tsk_buffer_create_null();
char* str = tsk_null;
if(!(tsdp_header_serialize(self, output))) {
str = tsk_strndup(TSK_BUFFER_DATA(output), TSK_BUFFER_SIZE(output));
}
TSK_OBJECT_SAFE_FREE(output);
return str;
}
|
