|
1
|
|
|
/* |
|
2
|
|
|
* byte-data: Pack and unpack binary data. |
|
3
|
|
|
* https://github.com/rochars/byte-data |
|
4
|
|
|
* |
|
5
|
|
|
* Copyright (c) 2017-2018 Rafael da Silva Rocha. |
|
6
|
|
|
* |
|
7
|
|
|
* Permission is hereby granted, free of charge, to any person obtaining |
|
8
|
|
|
* a copy of this software and associated documentation files (the |
|
9
|
|
|
* "Software"), to deal in the Software without restriction, including |
|
10
|
|
|
* without limitation the rights to use, copy, modify, merge, publish, |
|
11
|
|
|
* distribute, sublicense, and/or sell copies of the Software, and to |
|
12
|
|
|
* permit persons to whom the Software is furnished to do so, subject to |
|
13
|
|
|
* the following conditions: |
|
14
|
|
|
* |
|
15
|
|
|
* The above copyright notice and this permission notice shall be |
|
16
|
|
|
* included in all copies or substantial portions of the Software. |
|
17
|
|
|
* |
|
18
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
|
19
|
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
|
20
|
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
|
21
|
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
|
22
|
|
|
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
|
23
|
|
|
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
|
24
|
|
|
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
|
25
|
|
|
* |
|
26
|
|
|
*/ |
|
27
|
|
|
|
|
28
|
|
|
/** |
|
29
|
|
|
* @fileoverview Standard type definitions. |
|
30
|
|
|
*/ |
|
31
|
|
|
|
|
32
|
|
|
/** @module byteData/types */ |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* byte-data standard types. |
|
36
|
|
|
* @type {!Object} |
|
37
|
|
|
*/ |
|
38
|
|
|
export const types = { |
|
|
|
|
|
|
39
|
|
|
/** |
|
40
|
|
|
* A char. |
|
41
|
|
|
* @type {!Object} |
|
42
|
|
|
* @export |
|
43
|
|
|
*/ |
|
44
|
|
|
chr: {'bits': 8, 'char': true}, |
|
45
|
|
|
/** |
|
46
|
|
|
* A 4-char string |
|
47
|
|
|
* @type {!Object} |
|
48
|
|
|
* @export |
|
49
|
|
|
*/ |
|
50
|
|
|
fourCC: {'bits': 32, 'char': true}, |
|
51
|
|
|
/** |
|
52
|
|
|
* Booleans |
|
53
|
|
|
* @type {!Object} |
|
54
|
|
|
* @export |
|
55
|
|
|
*/ |
|
56
|
|
|
bool: {'bits': 1}, |
|
57
|
|
|
/** |
|
58
|
|
|
* Signed 2-bit integers |
|
59
|
|
|
* @type {!Object} |
|
60
|
|
|
* @export |
|
61
|
|
|
*/ |
|
62
|
|
|
int2: {'bits': 2, 'signed': true}, |
|
63
|
|
|
/** |
|
64
|
|
|
* Unsigned 2-bit integers |
|
65
|
|
|
* @type {!Object} |
|
66
|
|
|
* @export |
|
67
|
|
|
*/ |
|
68
|
|
|
uInt2: {'bits': 2}, |
|
69
|
|
|
/** |
|
70
|
|
|
* Signed 4-bit integers |
|
71
|
|
|
* @type {!Object} |
|
72
|
|
|
* @export |
|
73
|
|
|
*/ |
|
74
|
|
|
int4: {'bits': 4, 'signed': true}, |
|
75
|
|
|
/** |
|
76
|
|
|
* Unsigned 4-bit integers |
|
77
|
|
|
* @type {!Object} |
|
78
|
|
|
* @export |
|
79
|
|
|
*/ |
|
80
|
|
|
uInt4: {'bits': 4}, |
|
81
|
|
|
/** |
|
82
|
|
|
* Signed 8-bit integers |
|
83
|
|
|
* @type {!Object} |
|
84
|
|
|
* @export |
|
85
|
|
|
*/ |
|
86
|
|
|
int8: {'bits': 8, 'signed': true}, |
|
87
|
|
|
/** |
|
88
|
|
|
* Unsigned 4-bit integers |
|
89
|
|
|
* @type {!Object} |
|
90
|
|
|
* @export |
|
91
|
|
|
*/ |
|
92
|
|
|
uInt8: {'bits': 8}, |
|
93
|
|
|
// LE |
|
94
|
|
|
/** |
|
95
|
|
|
* Signed 16-bit integers little-endian |
|
96
|
|
|
* @type {!Object} |
|
97
|
|
|
* @export |
|
98
|
|
|
*/ |
|
99
|
|
|
int16 : {'bits': 16, 'signed': true}, |
|
100
|
|
|
/** |
|
101
|
|
|
* Unsigned 16-bit integers little-endian |
|
102
|
|
|
* @type {!Object} |
|
103
|
|
|
* @export |
|
104
|
|
|
*/ |
|
105
|
|
|
uInt16: {'bits': 16}, |
|
106
|
|
|
/** |
|
107
|
|
|
* Half-precision floating-point numbers little-endian |
|
108
|
|
|
* @type {!Object} |
|
109
|
|
|
* @export |
|
110
|
|
|
*/ |
|
111
|
|
|
float16: {'bits': 16, 'float': true}, |
|
112
|
|
|
/** |
|
113
|
|
|
* Signed 24-bit integers little-endian |
|
114
|
|
|
* @type {!Object} |
|
115
|
|
|
* @export |
|
116
|
|
|
*/ |
|
117
|
|
|
int24: {'bits': 24, 'signed': true}, |
|
118
|
|
|
/** |
|
119
|
|
|
* Unsigned 24-bit integers little-endian |
|
120
|
|
|
* @type {!Object} |
|
121
|
|
|
* @export |
|
122
|
|
|
*/ |
|
123
|
|
|
uInt24: {'bits': 24}, |
|
124
|
|
|
/** |
|
125
|
|
|
* Signed 32-bit integers little-endian |
|
126
|
|
|
* @type {!Object} |
|
127
|
|
|
* @export |
|
128
|
|
|
*/ |
|
129
|
|
|
int32: {'bits': 32, 'signed': true}, |
|
130
|
|
|
/** |
|
131
|
|
|
* Unsigned 32-bit integers little-endian |
|
132
|
|
|
* @type {!Object} |
|
133
|
|
|
* @export |
|
134
|
|
|
*/ |
|
135
|
|
|
uInt32: {'bits': 32}, |
|
136
|
|
|
/** |
|
137
|
|
|
* Single-precision floating-point numbers little-endian |
|
138
|
|
|
* @type {!Object} |
|
139
|
|
|
* @export |
|
140
|
|
|
*/ |
|
141
|
|
|
float32: {'bits': 32, 'float': true}, |
|
142
|
|
|
/** |
|
143
|
|
|
* Signed 40-bit integers little-endian |
|
144
|
|
|
* @type {!Object} |
|
145
|
|
|
* @export |
|
146
|
|
|
*/ |
|
147
|
|
|
int40: {'bits': 40, 'signed': true}, |
|
148
|
|
|
/** |
|
149
|
|
|
* Unsigned 40-bit integers little-endian |
|
150
|
|
|
* @type {!Object} |
|
151
|
|
|
* @export |
|
152
|
|
|
*/ |
|
153
|
|
|
uInt40: {'bits': 40}, |
|
154
|
|
|
/** |
|
155
|
|
|
* Signed 48-bit integers little-endian |
|
156
|
|
|
* @type {!Object} |
|
157
|
|
|
* @export |
|
158
|
|
|
*/ |
|
159
|
|
|
int48: {'bits': 48, 'signed': true}, |
|
160
|
|
|
/** |
|
161
|
|
|
* Unsigned 48-bit integers little-endian |
|
162
|
|
|
* @type {!Object} |
|
163
|
|
|
* @export |
|
164
|
|
|
*/ |
|
165
|
|
|
uInt48: {'bits': 48}, |
|
166
|
|
|
/** |
|
167
|
|
|
* Double-precision floating-point numbers little-endian |
|
168
|
|
|
* @type {!Object} |
|
169
|
|
|
* @export |
|
170
|
|
|
*/ |
|
171
|
|
|
float64: {'bits': 64, 'float': true}, |
|
172
|
|
|
// BE |
|
173
|
|
|
/** |
|
174
|
|
|
* Signed 16-bit integers big-endian |
|
175
|
|
|
* @type {!Object} |
|
176
|
|
|
* @export |
|
177
|
|
|
*/ |
|
178
|
|
|
int16BE : {'bits': 16, 'signed': true, 'be': true}, |
|
179
|
|
|
/** |
|
180
|
|
|
* Unsigned 16-bit integers big-endian |
|
181
|
|
|
* @type {!Object} |
|
182
|
|
|
* @export |
|
183
|
|
|
*/ |
|
184
|
|
|
uInt16BE: {'bits': 16, 'be': true}, |
|
185
|
|
|
/** |
|
186
|
|
|
* Half-precision floating-point numbers big-endian |
|
187
|
|
|
* @type {!Object} |
|
188
|
|
|
* @export |
|
189
|
|
|
*/ |
|
190
|
|
|
float16BE: {'bits': 16, 'float': true, 'be': true}, |
|
191
|
|
|
/** |
|
192
|
|
|
* Signed 24-bit integers big-endian |
|
193
|
|
|
* @type {!Object} |
|
194
|
|
|
* @export |
|
195
|
|
|
*/ |
|
196
|
|
|
int24BE: {'bits': 24, 'signed': true, 'be': true}, |
|
197
|
|
|
/** |
|
198
|
|
|
* Unsigned 24-bit integers big-endian |
|
199
|
|
|
* @type {!Object} |
|
200
|
|
|
* @export |
|
201
|
|
|
*/ |
|
202
|
|
|
uInt24BE: {'bits': 24, 'be': true}, |
|
203
|
|
|
/** |
|
204
|
|
|
* Signed 32-bit integers big-endian |
|
205
|
|
|
* @type {!Object} |
|
206
|
|
|
* @export |
|
207
|
|
|
*/ |
|
208
|
|
|
int32BE: {'bits': 32, 'signed': true, 'be': true}, |
|
209
|
|
|
/** |
|
210
|
|
|
* Unsigned 32-bit integers big-endian |
|
211
|
|
|
* @type {!Object} |
|
212
|
|
|
* @export |
|
213
|
|
|
*/ |
|
214
|
|
|
uInt32BE: {'bits': 32, 'be': true}, |
|
215
|
|
|
/** |
|
216
|
|
|
* Single-precision floating-point numbers big-endian |
|
217
|
|
|
* @type {!Object} |
|
218
|
|
|
* @export |
|
219
|
|
|
*/ |
|
220
|
|
|
float32BE: {'bits': 32, 'float': true, 'be': true}, |
|
221
|
|
|
/** |
|
222
|
|
|
* Signed 40-bit integers big-endian |
|
223
|
|
|
* @type {!Object} |
|
224
|
|
|
* @export |
|
225
|
|
|
*/ |
|
226
|
|
|
int40BE: {'bits': 40, 'signed': true, 'be': true}, |
|
227
|
|
|
/** |
|
228
|
|
|
* Unsigned 40-bit integers big-endian |
|
229
|
|
|
* @type {!Object} |
|
230
|
|
|
* @export |
|
231
|
|
|
*/ |
|
232
|
|
|
uInt40BE: {'bits': 40, 'be': true}, |
|
233
|
|
|
/** |
|
234
|
|
|
* Signed 48-bit integers big-endian |
|
235
|
|
|
* @type {!Object} |
|
236
|
|
|
* @export |
|
237
|
|
|
*/ |
|
238
|
|
|
int48BE: {'bits': 48, 'signed': true, 'be': true}, |
|
239
|
|
|
/** |
|
240
|
|
|
* Unsigned 48-bit integers big-endian |
|
241
|
|
|
* @type {!Object} |
|
242
|
|
|
* @export |
|
243
|
|
|
*/ |
|
244
|
|
|
uInt48BE: {'bits': 48, 'be': true}, |
|
245
|
|
|
/** |
|
246
|
|
|
* Double-precision floating-point numbers big-endian |
|
247
|
|
|
* @type {!Object} |
|
248
|
|
|
* @export |
|
249
|
|
|
*/ |
|
250
|
|
|
float64BE: {'bits': 64, 'float': true, 'be': true}, |
|
251
|
|
|
}; |
|
252
|
|
|
|