-
Notifications
You must be signed in to change notification settings - Fork 125
Expand file tree
/
Copy pathpacker.h
More file actions
379 lines (326 loc) · 11.9 KB
/
Copy pathpacker.h
File metadata and controls
379 lines (326 loc) · 11.9 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
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
/*
* MessagePack for Ruby
*
* Copyright (C) 2008-2012 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_RUBY_PACKER_H__
#define MSGPACK_RUBY_PACKER_H__
#include "buffer.h"
#ifndef MSGPACK_PACKER_IO_FLUSH_THRESHOLD_TO_WRITE_STRING_BODY
#define MSGPACK_PACKER_IO_FLUSH_THRESHOLD_TO_WRITE_STRING_BODY (1024)
#endif
struct msgpack_packer_t;
typedef struct msgpack_packer_t msgpack_packer_t;
struct msgpack_packer_t {
msgpack_buffer_t buffer;
VALUE io;
ID io_write_all_method;
ID to_msgpack_method;
VALUE to_msgpack_arg;
VALUE buffer_ref;
};
#define PACKER_BUFFER_(pk) (&(pk)->buffer)
void msgpack_packer_static_init();
void msgpack_packer_static_destroy();
void msgpack_packer_init(msgpack_packer_t* pk);
void msgpack_packer_destroy(msgpack_packer_t* pk);
void msgpack_packer_mark(msgpack_packer_t* pk);
static inline void msgpack_packer_set_to_msgpack_method(msgpack_packer_t* pk,
ID to_msgpack_method, VALUE to_msgpack_arg)
{
pk->to_msgpack_method = to_msgpack_method;
pk->to_msgpack_arg = to_msgpack_arg;
}
static inline void msgpack_packer_set_io(msgpack_packer_t* pk, VALUE io, ID io_write_all_method)
{
pk->io = io;
pk->io_write_all_method = io_write_all_method;
}
void msgpack_packer_reset(msgpack_packer_t* pk);
static inline void msgpack_packer_write_nil(msgpack_packer_t* pk)
{
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 1);
msgpack_buffer_write_1(PACKER_BUFFER_(pk), 0xc0);
}
static inline void msgpack_packer_write_true(msgpack_packer_t* pk)
{
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 1);
msgpack_buffer_write_1(PACKER_BUFFER_(pk), 0xc3);
}
static inline void msgpack_packer_write_false(msgpack_packer_t* pk)
{
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 1);
msgpack_buffer_write_1(PACKER_BUFFER_(pk), 0xc2);
}
static inline void _msgpack_packer_write_fixint(msgpack_packer_t* pk, int8_t v)
{
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 1);
msgpack_buffer_write_1(PACKER_BUFFER_(pk), v);
}
static inline void _msgpack_packer_write_uint8(msgpack_packer_t* pk, uint8_t v)
{
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 2);
msgpack_buffer_write_2(PACKER_BUFFER_(pk), 0xcc, v);
}
static inline void _msgpack_packer_write_uint16(msgpack_packer_t* pk, uint16_t v)
{
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 3);
uint16_t be = _msgpack_be16(v);
msgpack_buffer_write_byte_and_data(PACKER_BUFFER_(pk), 0xcd, (const void*)&be, 2);
}
static inline void _msgpack_packer_write_uint32(msgpack_packer_t* pk, uint32_t v)
{
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 5);
uint32_t be = _msgpack_be32(v);
msgpack_buffer_write_byte_and_data(PACKER_BUFFER_(pk), 0xce, (const void*)&be, 4);
}
static inline void _msgpack_packer_write_uint64(msgpack_packer_t* pk, uint64_t v)
{
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 9);
uint64_t be = _msgpack_be64(v);
msgpack_buffer_write_byte_and_data(PACKER_BUFFER_(pk), 0xcf, (const void*)&be, 8);
}
static inline void _msgpack_packer_write_int8(msgpack_packer_t* pk, int8_t v)
{
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 2);
msgpack_buffer_write_2(PACKER_BUFFER_(pk), 0xd0, v);
}
static inline void _msgpack_packer_write_int16(msgpack_packer_t* pk, int16_t v)
{
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 3);
uint16_t be = _msgpack_be16(v);
msgpack_buffer_write_byte_and_data(PACKER_BUFFER_(pk), 0xd1, (const void*)&be, 2);
}
static inline void _msgpack_packer_write_int32(msgpack_packer_t* pk, int32_t v)
{
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 5);
uint32_t be = _msgpack_be32(v);
msgpack_buffer_write_byte_and_data(PACKER_BUFFER_(pk), 0xd2, (const void*)&be, 4);
}
static inline void _msgpack_packer_write_int64(msgpack_packer_t* pk, int64_t v)
{
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 9);
uint64_t be = _msgpack_be64(v);
msgpack_buffer_write_byte_and_data(PACKER_BUFFER_(pk), 0xd3, (const void*)&be, 8);
}
static inline void _msgpack_packer_write_long32(msgpack_packer_t* pk, long v)
{
if(v < -0x20L) {
if(v < -0x8000L) {
_msgpack_packer_write_int32(pk, (int32_t) v);
} else if(v < -0x80L) {
_msgpack_packer_write_int16(pk, (int16_t) v);
} else {
_msgpack_packer_write_int8(pk, (int8_t) v);
}
} else if(v <= 0x7fL) {
_msgpack_packer_write_fixint(pk, (int8_t) v);
} else {
if(v <= 0xffL) {
_msgpack_packer_write_uint8(pk, (uint8_t) v);
} else if(v <= 0xffffL) {
_msgpack_packer_write_uint16(pk, (uint16_t) v);
} else {
_msgpack_packer_write_uint32(pk, (uint32_t) v);
}
}
}
static inline void _msgpack_packer_write_long_long64(msgpack_packer_t* pk, long long v)
{
if(v < -0x20LL) {
if(v < -0x8000LL) {
if(v < -0x80000000LL) {
_msgpack_packer_write_int64(pk, (int64_t) v);
} else {
_msgpack_packer_write_int32(pk, (int32_t) v);
}
} else {
if(v < -0x80LL) {
_msgpack_packer_write_int16(pk, (int16_t) v);
} else {
_msgpack_packer_write_int8(pk, (int8_t) v);
}
}
} else if(v <= 0x7fLL) {
_msgpack_packer_write_fixint(pk, (int8_t) v);
} else {
if(v <= 0xffffLL) {
if(v <= 0xffLL) {
_msgpack_packer_write_uint8(pk, (uint8_t) v);
} else {
_msgpack_packer_write_uint16(pk, (uint16_t) v);
}
} else {
if(v <= 0xffffffffLL) {
_msgpack_packer_write_uint32(pk, (uint32_t) v);
} else {
_msgpack_packer_write_uint64(pk, (uint64_t) v);
}
}
}
}
static inline void msgpack_packer_write_long(msgpack_packer_t* pk, long v)
{
#if defined(SIZEOF_LONG)
# if SIZEOF_LONG <= 4
_msgpack_packer_write_long32(pk, v);
# else
_msgpack_packer_write_long_long64(pk, v);
# endif
#elif defined(LONG_MAX)
# if LONG_MAX <= 0x7fffffffL
_msgpack_packer_write_long32(pk, v);
# else
_msgpack_packer_write_long_long64(pk, v);
# endif
#else
if(sizeof(long) <= 4) {
_msgpack_packer_write_long32(pk, v);
} else {
_msgpack_packer_write_long_long64(pk, v);
}
#endif
}
static inline void msgpack_packer_write_long_long(msgpack_packer_t* pk, long long v)
{
/* assuming sizeof(long long) == 8 */
_msgpack_packer_write_long_long64(pk, v);
}
static inline void msgpack_packer_write_u64(msgpack_packer_t* pk, uint64_t v)
{
if(v <= 0xffULL) {
if(v <= 0x7fULL) {
_msgpack_packer_write_fixint(pk, (int8_t) v);
} else {
_msgpack_packer_write_uint8(pk, (uint8_t) v);
}
} else {
if(v <= 0xffffULL) {
_msgpack_packer_write_uint16(pk, (uint16_t) v);
} else if(v <= 0xffffffffULL) {
_msgpack_packer_write_uint32(pk, (uint32_t) v);
} else {
_msgpack_packer_write_uint64(pk, (uint64_t) v);
}
}
}
static inline void msgpack_packer_write_double(msgpack_packer_t* pk, double v)
{
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 9);
union {
double d;
uint64_t u64;
char mem[8];
} castbuf = { v };
castbuf.u64 = _msgpack_be_double(castbuf.u64);
msgpack_buffer_write_byte_and_data(PACKER_BUFFER_(pk), 0xcb, castbuf.mem, 8);
}
static inline void msgpack_packer_write_raw_header(msgpack_packer_t* pk, unsigned int n)
{
if(n < 32) {
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 1);
unsigned char h = 0xa0 | (uint8_t) n;
msgpack_buffer_write_1(PACKER_BUFFER_(pk), h);
} else if(n < 65536) {
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 3);
uint16_t be = _msgpack_be16(n);
msgpack_buffer_write_byte_and_data(PACKER_BUFFER_(pk), 0xda, (const void*)&be, 2);
} else {
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 5);
uint32_t be = _msgpack_be32(n);
msgpack_buffer_write_byte_and_data(PACKER_BUFFER_(pk), 0xdb, (const void*)&be, 4);
}
}
static inline void msgpack_packer_write_array_header(msgpack_packer_t* pk, unsigned int n)
{
if(n < 16) {
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 1);
unsigned char h = 0x90 | (uint8_t) n;
msgpack_buffer_write_1(PACKER_BUFFER_(pk), h);
} else if(n < 65536) {
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 3);
uint16_t be = _msgpack_be16(n);
msgpack_buffer_write_byte_and_data(PACKER_BUFFER_(pk), 0xdc, (const void*)&be, 2);
} else {
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 5);
uint32_t be = _msgpack_be32(n);
msgpack_buffer_write_byte_and_data(PACKER_BUFFER_(pk), 0xdd, (const void*)&be, 4);
}
}
static inline void msgpack_packer_write_map_header(msgpack_packer_t* pk, unsigned int n)
{
if(n < 16) {
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 1);
unsigned char h = 0x80 | (uint8_t) n;
msgpack_buffer_write_1(PACKER_BUFFER_(pk), h);
} else if(n < 65536) {
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 3);
uint16_t be = _msgpack_be16(n);
msgpack_buffer_write_byte_and_data(PACKER_BUFFER_(pk), 0xde, (const void*)&be, 2);
} else {
msgpack_buffer_ensure_writable(PACKER_BUFFER_(pk), 5);
uint32_t be = _msgpack_be32(n);
msgpack_buffer_write_byte_and_data(PACKER_BUFFER_(pk), 0xdf, (const void*)&be, 4);
}
}
void _msgpack_packer_write_string_to_io(msgpack_packer_t* pk, VALUE string);
static inline void msgpack_packer_write_string_value(msgpack_packer_t* pk, VALUE v)
{
/* TODO encoding conversion? */
/* actual return type of RSTRING_LEN is long */
unsigned long len = RSTRING_LEN(v);
if(len > 0xffffffffUL) {
// TODO rb_eArgError?
rb_raise(rb_eArgError, "size of string is too long to pack: %lu bytes should be <= %lu", len, 0xffffffffUL);
}
msgpack_packer_write_raw_header(pk, (unsigned int)len);
msgpack_buffer_append_string(PACKER_BUFFER_(pk), v);
}
static inline void msgpack_packer_write_symbol_value(msgpack_packer_t* pk, VALUE v)
{
const char* name = rb_id2name(SYM2ID(v));
/* actual return type of strlen is size_t */
unsigned long len = strlen(name);
if(len > 0xffffffffUL) {
// TODO rb_eArgError?
rb_raise(rb_eArgError, "size of symbol is too long to pack: %lu bytes should be <= %lu", len, 0xffffffffUL);
}
msgpack_packer_write_raw_header(pk, (unsigned int)len);
msgpack_buffer_append(PACKER_BUFFER_(pk), name, len);
}
static inline void msgpack_packer_write_fixnum_value(msgpack_packer_t* pk, VALUE v)
{
#ifdef JRUBY
msgpack_packer_write_long(pk, FIXNUM_P(v) ? FIX2LONG(v) : rb_num2ll(v));
#else
msgpack_packer_write_long(pk, FIX2LONG(v));
#endif
}
static inline void msgpack_packer_write_bignum_value(msgpack_packer_t* pk, VALUE v)
{
if(RBIGNUM_POSITIVE_P(v)) {
msgpack_packer_write_u64(pk, rb_big2ull(v));
} else {
msgpack_packer_write_long_long(pk, rb_big2ll(v));
}
}
static inline void msgpack_packer_write_float_value(msgpack_packer_t* pk, VALUE v)
{
msgpack_packer_write_double(pk, rb_num2dbl(v));
}
void msgpack_packer_write_array_value(msgpack_packer_t* pk, VALUE v);
void msgpack_packer_write_hash_value(msgpack_packer_t* pk, VALUE v);
void msgpack_packer_write_value(msgpack_packer_t* pk, VALUE v);
#endif