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
|
#ifndef MSGPACK_UNPACK_H__
#define MSGPACK_UNPACK_H__
#include <stdint.h>
#include <stddef.h>
namespace MessagePack {
class Unpacker {
class object {
template <typename T>
object(const T& x) : m_obj(new holder<T>(x)) {}
};
class type_error : public std::exception { };
class cast_error : public type_error { };
class overflow_error : public type_error { };
class underflow_error : public type_error { };
struct object {
virtual ~object() {}
virtual bool isnil() const { return false; }
virtual bool xbool() const { throw cast_error(); }
virtual uint8_t xu8() const { throw cast_error(); }
virtual uint16_t xu16() const { throw cast_error(); }
virtual uint32_t xu32() const { throw cast_error(); }
virtual uint64_t xu64() const { throw cast_error(); }
virtual int8_t xi8() const { throw cast_error(); }
virtual int16_t xi16() const { throw cast_error(); }
virtual int32_t xi32() const { throw cast_error(); }
virtual int64_t xi64() const { throw cast_error(); }
virtual float xfloat() const { throw cast_error(); }
virtual double xdouble() const { throw cast_error(); }
virtual std::map<object, object>& xmap() const { throw cast_error(); }
virtual std::string& xstring() const { throw cast_error(); }
virtual std::pair<const char*, size_t> xraw() const { throw cast_error(); }
public:
template <typename T, typename X>
inline void check_overflow(X x) {
if(std::numeric_limits<T>::max() < x) { throw overflow_error(); }
}
template <typename T, typename X>
inline void check_underflow(X x) {
if(std::numeric_limits<T>::min() > x) { throw overflow_error(); }
}
};
private:
struct object_nil : object {
bool isnil() const { return true; }
};
struct object_true : object {
bool xbool() const { return true; }
};
struct object_false : object {
bool xbool() const { return false; }
};
struct object_u8 : object {
object_u8(uint8_t val) : m_val(val) {}
uint8_t xu8() const { return m_val; }
uint16_t xu16() const { return static_cast<uint16_t>(m_val); }
uint32_t xu32() const { return static_cast<uint32_t>(m_val); }
uint64_t xu64() const { return static_cast<uint64_t>(m_val); }
int8_t xi8() const { check_overflow<int8_t>(m_val); return m_val; }
int16_t xi16() const { return static_cast<int16_t>(m_val); }
int32_t xi32() const { return static_cast<int32_t>(m_val); }
int64_t xi64() const { return static_cast<int64_t>(m_val); }
private:
uint8_t m_val;
};
struct object_u16 : object {
object_u16(uint16_t val) : m_val(val) {}
uint8_t xu8() const { check_overflow<uint8_t>(m_val); return m_val; }
uint16_t xu16() const { return m_val; }
uint32_t xu32() const { return static_cast<uint32_t>(m_val); }
uint64_t xu64() const { return static_cast<uint64_t>(m_val); }
int8_t xi8() const { check_overflow< int8_t>(m_val); return m_val; }
int16_t xi16() const { check_overflow<int16_t>(m_val); return m_val; }
int32_t xi32() const { return static_cast<int32_t>(m_val); }
int64_t xi64() const { return static_cast<int64_t>(m_val); }
private:
uint16_t m_val;
};
...
};
} // namespace MessagePack
typedef struct {
void* (*unpack_unsigned_int_8)(void* data, uint8_t d);
void* (*unpack_unsigned_int_16)(void* data, uint16_t d);
void* (*unpack_unsigned_int_32)(void* data, uint32_t d);
void* (*unpack_unsigned_int_64)(void* data, uint64_t d);
void* (*unpack_signed_int_8)(void* data, int8_t d);
void* (*unpack_signed_int_16)(void* data, int16_t d);
void* (*unpack_signed_int_32)(void* data, int32_t d);
void* (*unpack_signed_int_64)(void* data, int64_t d);
void* (*unpack_float)(void* data, float d);
void* (*unpack_double)(void* data, double d);
void* (*unpack_big_int)(void* data, const void* b, unsigned int l);
void* (*unpack_big_float)(void* data, const void* b, unsigned int l);
void* (*unpack_nil)(void* data);
void* (*unpack_true)(void* data);
void* (*unpack_false)(void* data);
void* (*unpack_array_start)(void* data, unsigned int n);
void (*unpack_array_item)(void* data, void* c, void* o);
void* (*unpack_map_start)(void* data, unsigned int n);
void (*unpack_map_item)(void* data, void* c, void* k, void* v);
void* (*unpack_string)(void* data, const void* b, size_t l);
void* (*unpack_raw)(void* data, const void* b, size_t l);
void* data;
} msgpack_unpack_t;
msgpack_unpack_t* msgpack_unpack_new(void);
void msgpack_unpack_free(msgpack_unpack_t* ctx);
int msgpack_unpack_execute(msgpack_unpack_t* ctx, const char* data, size_t len, size_t* off);
void* msgpack_unpack_data(msgpack_unpack_t* ctx);
#endif /* msgpack/unpack.h */
|
