This repository was archived by the owner on Jun 26, 2020. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 1
Expand file tree
/
Copy pathunpack.h
More file actions
235 lines (201 loc) · 5.98 KB
/
Copy pathunpack.h
File metadata and controls
235 lines (201 loc) · 5.98 KB
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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
/*
* MessagePack for Python unpacking routine
*
* Copyright (C) 2009 Naoki INADA
*
* 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.
*/
#define MSGPACK_EMBED_STACK_SIZE (1024)
#include "unpack_define.h"
typedef struct unpack_user {
int use_list;
PyObject *object_hook;
bool has_pairs_hook;
PyObject *list_hook;
const char *encoding;
const char *unicode_errors;
} unpack_user;
#define msgpack_unpack_struct(name) \
struct template ## name
#define msgpack_unpack_func(ret, name) \
static inline ret template ## name
#define msgpack_unpack_callback(name) \
template_callback ## name
#define msgpack_unpack_object PyObject*
#define msgpack_unpack_user unpack_user
typedef int (*execute_fn)(msgpack_unpack_struct(_context)* ctx, const char* data, size_t len, size_t* off);
struct template_context;
typedef struct template_context template_context;
static inline msgpack_unpack_object template_callback_root(unpack_user* u)
{
return NULL;
}
static inline int template_callback_uint16(unpack_user* u, uint16_t d, msgpack_unpack_object* o)
{
PyObject *p = PyInt_FromLong((long)d);
if (!p)
return -1;
*o = p;
return 0;
}
static inline int template_callback_uint8(unpack_user* u, uint8_t d, msgpack_unpack_object* o)
{
return template_callback_uint16(u, d, o);
}
static inline int template_callback_uint32(unpack_user* u, uint32_t d, msgpack_unpack_object* o)
{
PyObject *p;
if (d > LONG_MAX) {
p = PyLong_FromUnsignedLong((unsigned long)d);
} else {
p = PyInt_FromLong((long)d);
}
if (!p)
return -1;
*o = p;
return 0;
}
static inline int template_callback_uint64(unpack_user* u, uint64_t d, msgpack_unpack_object* o)
{
PyObject *p = PyLong_FromUnsignedLongLong(d);
if (!p)
return -1;
*o = p;
return 0;
}
static inline int template_callback_int32(unpack_user* u, int32_t d, msgpack_unpack_object* o)
{
PyObject *p = PyInt_FromLong(d);
if (!p)
return -1;
*o = p;
return 0;
}
static inline int template_callback_int16(unpack_user* u, int16_t d, msgpack_unpack_object* o)
{
return template_callback_int32(u, d, o);
}
static inline int template_callback_int8(unpack_user* u, int8_t d, msgpack_unpack_object* o)
{
return template_callback_int32(u, d, o);
}
static inline int template_callback_int64(unpack_user* u, int64_t d, msgpack_unpack_object* o)
{
PyObject *p = PyLong_FromLongLong(d);
if (!p)
return -1;
*o = p;
return 0;
}
static inline int template_callback_double(unpack_user* u, double d, msgpack_unpack_object* o)
{
PyObject *p = PyFloat_FromDouble(d);
if (!p)
return -1;
*o = p;
return 0;
}
static inline int template_callback_float(unpack_user* u, float d, msgpack_unpack_object* o)
{
return template_callback_double(u, d, o);
}
static inline int template_callback_nil(unpack_user* u, msgpack_unpack_object* o)
{ Py_INCREF(Py_None); *o = Py_None; return 0; }
static inline int template_callback_true(unpack_user* u, msgpack_unpack_object* o)
{ Py_INCREF(Py_True); *o = Py_True; return 0; }
static inline int template_callback_false(unpack_user* u, msgpack_unpack_object* o)
{ Py_INCREF(Py_False); *o = Py_False; return 0; }
static inline int template_callback_array(unpack_user* u, unsigned int n, msgpack_unpack_object* o)
{
PyObject *p = u->use_list ? PyList_New(n) : PyTuple_New(n);
if (!p)
return -1;
*o = p;
return 0;
}
static inline int template_callback_array_item(unpack_user* u, unsigned int current, msgpack_unpack_object* c, msgpack_unpack_object o)
{
if (u->use_list)
PyList_SET_ITEM(*c, current, o);
else
PyTuple_SET_ITEM(*c, current, o);
return 0;
}
static inline int template_callback_array_end(unpack_user* u, msgpack_unpack_object* c)
{
if (u->list_hook) {
PyObject *new_c = PyEval_CallFunction(u->list_hook, "(O)", *c);
if (!new_c)
return -1;
Py_DECREF(*c);
*c = new_c;
}
return 0;
}
static inline int template_callback_map(unpack_user* u, unsigned int n, msgpack_unpack_object* o)
{
PyObject *p;
if (u->has_pairs_hook) {
p = PyList_New(n); // Or use tuple?
}
else {
p = PyDict_New();
}
if (!p)
return -1;
*o = p;
return 0;
}
static inline int template_callback_map_item(unpack_user* u, unsigned int current, msgpack_unpack_object* c, msgpack_unpack_object k, msgpack_unpack_object v)
{
if (u->has_pairs_hook) {
msgpack_unpack_object item = PyTuple_Pack(2, k, v);
if (!item)
return -1;
Py_DECREF(k);
Py_DECREF(v);
PyList_SET_ITEM(*c, current, item);
return 0;
}
else if (PyDict_SetItem(*c, k, v) == 0) {
Py_DECREF(k);
Py_DECREF(v);
return 0;
}
return -1;
}
static inline int template_callback_map_end(unpack_user* u, msgpack_unpack_object* c)
{
if (u->object_hook) {
PyObject *new_c = PyEval_CallFunction(u->object_hook, "(O)", *c);
if (!new_c)
return -1;
Py_DECREF(*c);
*c = new_c;
}
return 0;
}
static inline int template_callback_raw(unpack_user* u, const char* b, const char* p, unsigned int l, msgpack_unpack_object* o)
{
PyObject *py;
if(u->encoding) {
py = PyUnicode_Decode(p, l, u->encoding, u->unicode_errors);
} else {
py = PyBytes_FromStringAndSize(p, l);
}
if (!py)
return -1;
*o = py;
return 0;
}
#include "unpack_template.h"