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
|
/*
* MessagePack for C unpacking routine
*
* Copyright (C) 2008-2009 FURUHASHI Sadayuki
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MSGPACK_UNPACKER_H__
#define MSGPACK_UNPACKER_H__
#include "msgpack/zone.h"
#include "msgpack/object.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct msgpack_unpacker {
char* buffer;
size_t used;
size_t free;
size_t off;
size_t parsed;
msgpack_zone* z;
size_t initial_buffer_size;
void* ctx;
} msgpack_unpacker;
bool msgpack_unpacker_init(msgpack_unpacker* mpac, size_t initial_buffer_size);
void msgpack_unpacker_destroy(msgpack_unpacker* mpac);
msgpack_unpacker* msgpack_unpacker_new(size_t initial_buffer_size);
void msgpack_unpacker_free(msgpack_unpacker* mpac);
static inline bool msgpack_unpacker_reserve_buffer(msgpack_unpacker* mpac, size_t size);
static inline char* msgpack_unpacker_buffer(msgpack_unpacker* mpac);
static inline size_t msgpack_unpacker_buffer_capacity(const msgpack_unpacker* mpac);
static inline void msgpack_unpacker_buffer_consumed(msgpack_unpacker* mpac, size_t size);
int msgpack_unpacker_execute(msgpack_unpacker* mpac);
msgpack_object msgpack_unpacker_data(msgpack_unpacker* mpac);
msgpack_zone* msgpack_unpacker_release_zone(msgpack_unpacker* mpac);
void msgpack_unpacker_reset_zone(msgpack_unpacker* mpac);
void msgpack_unpacker_reset(msgpack_unpacker* mpac);
static inline size_t msgpack_unpacker_message_size(const msgpack_unpacker* mpac);
typedef enum {
MSGPACK_UNPACK_SUCCESS = 2,
MSGPACK_UNPACK_EXTRA_BYTES = 1,
MSGPACK_UNPACK_CONTINUE = 0,
MSGPACK_UNPACK_PARSE_ERROR = -1,
} msgpack_unpack_return;
msgpack_unpack_return
msgpack_unpack(const char* data, size_t len, size_t* off,
msgpack_zone* z, msgpack_object* result);
static inline size_t msgpack_unpacker_parsed_size(const msgpack_unpacker* mpac);
bool msgpack_unpacker_flush_zone(msgpack_unpacker* mpac);
bool msgpack_unpacker_expand_buffer(msgpack_unpacker* mpac, size_t size);
bool msgpack_unpacker_reserve_buffer(msgpack_unpacker* mpac, size_t size)
{
if(mpac->free >= size) { return true; }
return msgpack_unpacker_expand_buffer(mpac, size);
}
char* msgpack_unpacker_buffer(msgpack_unpacker* mpac)
{
return mpac->buffer + mpac->used;
}
size_t msgpack_unpacker_buffer_capacity(const msgpack_unpacker* mpac)
{
return mpac->free;
}
void msgpack_unpacker_buffer_consumed(msgpack_unpacker* mpac, size_t size)
{
mpac->used += size;
mpac->free -= size;
}
size_t msgpack_unpacker_message_size(const msgpack_unpacker* mpac)
{
return mpac->parsed - mpac->off + mpac->used;
}
size_t msgpack_unpacker_parsed_size(const msgpack_unpacker* mpac)
{
return mpac->parsed;
}
#ifdef __cplusplus
}
#endif
#endif /* msgpack/unpack.h */
|
