Awkward Array: include/awkward/forth/ForthOutputBuffer.h Source File

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ForthOutputBuffer.h
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1// BSD 3-Clause License; see https://github.com/scikit-hep/awkward-1.0/blob/main/LICENSE
2
3#ifndef AWKWARD_FORTHOUTPUTBUFFER_H_
4#define AWKWARD_FORTHOUTPUTBUFFER_H_
5
6// #include <cstring>
7
8#include "awkward/common.h"
9#include "awkward/Content.h"
10#include "awkward/Index.h"
11
12namespace awkward {
13 #define NATIVELY_BIG_ENDIAN (*(uint16_t *)"\0\xff" < 0x100)
14
16 template <typename T>
17 void byteswap16(int64_t num_items, T& value);
18
20 template <typename T>
21 void byteswap32(int64_t num_items, T& value);
22
24 template <typename T>
25 void byteswap64(int64_t num_items, T& value);
26
28 template <typename T>
29 void byteswap_intp(int64_t num_items, T& value);
30
36 class LIBAWKWARD_EXPORT_SYMBOL ForthOutputBuffer {
37 public:
38 ForthOutputBuffer(int64_t initial, double resize);
39
43 virtual ~ForthOutputBuffer();
44
46 int64_t
47 len() const noexcept;
48
50 void
51 rewind(int64_t num_items, util::ForthError& err) noexcept;
52
54 void
55 reset() noexcept;
56
58 virtual void
59 dup(int64_t num_times, util::ForthError& err) noexcept = 0;
60
62 virtual const std::shared_ptr<void>
63 ptr() const noexcept = 0;
64
66 virtual const ContentPtr
67 toNumpyArray() const = 0;
68
70 virtual const Index8
71 toIndex8() const = 0;
72
74 virtual const IndexU8
75 toIndexU8() const = 0;
76
78 virtual const Index32
79 toIndex32() const = 0;
80
82 virtual const IndexU32
83 toIndexU32() const = 0;
84
86 virtual const Index64
87 toIndex64() const = 0;
88
90 virtual void
91 write_one_bool(bool value, bool byteswap) noexcept = 0;
92
94 virtual void
95 write_one_int8(int8_t value, bool byteswap) noexcept = 0;
96
98 virtual void
99 write_one_int16(int16_t value, bool byteswap) noexcept = 0;
100
102 virtual void
103 write_one_int32(int32_t value, bool byteswap) noexcept = 0;
104
106 virtual void
107 write_one_int64(int64_t value, bool byteswap) noexcept = 0;
108
110 virtual void
111 write_one_intp(ssize_t value, bool byteswap) noexcept = 0;
112
114 virtual void
115 write_one_uint8(uint8_t value, bool byteswap) noexcept = 0;
116
118 virtual void
119 write_one_uint16(uint16_t value, bool byteswap) noexcept = 0;
120
122 virtual void
123 write_one_uint32(uint32_t value, bool byteswap) noexcept = 0;
124
126 virtual void
127 write_one_uint64(uint64_t value, bool byteswap) noexcept = 0;
128
130 virtual void
131 write_one_uintp(size_t value, bool byteswap) noexcept = 0;
132
134 virtual void
135 write_one_float32(float value, bool byteswap) noexcept = 0;
136
138 virtual void
139 write_one_float64(double value, bool byteswap) noexcept = 0;
140
142 virtual void
143 write_one_string(char* string_buffer, int64_t length) noexcept = 0;
144
146 virtual void
147 write_bool(int64_t num_items, bool* values, bool byteswap) noexcept = 0;
148
150 virtual void
151 write_int8(int64_t num_items, int8_t* values, bool byteswap) noexcept = 0;
152
154 virtual void
155 write_int16(int64_t num_items, int16_t* values, bool byteswap) noexcept = 0;
156
158 virtual void
159 write_int32(int64_t num_items, int32_t* values, bool byteswap) noexcept = 0;
160
162 virtual void
163 write_int64(int64_t num_items, int64_t* values, bool byteswap) noexcept = 0;
164
166 virtual void
167 write_intp(int64_t num_items, ssize_t* values, bool byteswap) noexcept = 0;
168
170 virtual void
171 write_const_uint8(int64_t num_items, const uint8_t* values) noexcept = 0;
172
174 virtual void
175 write_uint8(int64_t num_items, uint8_t* values, bool byteswap) noexcept = 0;
176
178 virtual void
179 write_uint16(int64_t num_items, uint16_t* values, bool byteswap) noexcept = 0;
180
182 virtual void
183 write_uint32(int64_t num_items, uint32_t* values, bool byteswap) noexcept = 0;
184
186 virtual void
187 write_uint64(int64_t num_items, uint64_t* values, bool byteswap) noexcept = 0;
188
190 virtual void
191 write_uintp(int64_t num_items, size_t* values, bool byteswap) noexcept = 0;
192
194 virtual void
195 write_float32(int64_t num_items, float* values, bool byteswap) noexcept = 0;
196
198 virtual void
199 write_float64(int64_t num_items, double* values, bool byteswap) noexcept = 0;
200
202 virtual void
203 write_add_int32(int32_t value) noexcept = 0;
204
206 virtual void
207 write_add_int64(int64_t value) noexcept = 0;
208
209 protected:
210 int64_t length_;
211 int64_t reserved_;
212 double resize_;
213 };
214
215 template <typename OUT>
216 class LIBAWKWARD_EXPORT_SYMBOL ForthOutputBufferOf : public ForthOutputBuffer {
217 public:
218 ForthOutputBufferOf(int64_t initial, double resize);
219
220 void
221 dup(int64_t num_times, util::ForthError& err) noexcept override;
222
223 const std::shared_ptr<void>
224 ptr() const noexcept override;
225
226 const ContentPtr
227 toNumpyArray() const override;
228
229 const Index8
230 toIndex8() const override;
231
232 const IndexU8
233 toIndexU8() const override;
234
235 const Index32
236 toIndex32() const override;
237
238 const IndexU32
239 toIndexU32() const override;
240
241 const Index64
242 toIndex64() const override;
243
244 void
245 write_one_bool(bool value, bool byteswap) noexcept override;
246
247 void
248 write_one_int8(int8_t value, bool byteswap) noexcept override;
249
250 void
251 write_one_int16(int16_t value, bool byteswap) noexcept override;
252
253 void
254 write_one_int32(int32_t value, bool byteswap) noexcept override;
255
256 void
257 write_one_int64(int64_t value, bool byteswap) noexcept override;
258
259 void
260 write_one_intp(ssize_t value, bool byteswap) noexcept override;
261
262 void
263 write_one_uint8(uint8_t value, bool byteswap) noexcept override;
264
265 void
266 write_one_uint16(uint16_t value, bool byteswap) noexcept override;
267
268 void
269 write_one_uint32(uint32_t value, bool byteswap) noexcept override;
270
271 void
272 write_one_uint64(uint64_t value, bool byteswap) noexcept override;
273
274 void
275 write_one_uintp(size_t value, bool byteswap) noexcept override;
276
277 void
278 write_one_float32(float value, bool byteswap) noexcept override;
279
280 void
281 write_one_float64(double value, bool byteswap) noexcept override;
282
283 void
284 write_one_string(char* string_buffer, int64_t length) noexcept override;
285
286 void
287 write_bool(int64_t num_items, bool* values, bool byteswap) noexcept override;
288
289 void
290 write_int8(int64_t num_items, int8_t* values, bool byteswap) noexcept override;
291
292 void
293 write_int16(int64_t num_items, int16_t* values, bool byteswap) noexcept override;
294
295 void
296 write_int32(int64_t num_items, int32_t* values, bool byteswap) noexcept override;
297
298 void
299 write_int64(int64_t num_items, int64_t* values, bool byteswap) noexcept override;
300
301 void
302 write_intp(int64_t num_items, ssize_t* values, bool byteswap) noexcept override;
303
304 void
305 write_const_uint8(int64_t num_items, const uint8_t* values) noexcept override;
306
307 void
308 write_uint8(int64_t num_items, uint8_t* values, bool byteswap) noexcept override;
309
310 void
311 write_uint16(int64_t num_items, uint16_t* values, bool byteswap) noexcept override;
312
313 void
314 write_uint32(int64_t num_items, uint32_t* values, bool byteswap) noexcept override;
315
316 void
317 write_uint64(int64_t num_items, uint64_t* values, bool byteswap) noexcept override;
318
319 void
320 write_uintp(int64_t num_items, size_t* values, bool byteswap) noexcept override;
321
322 void
323 write_float32(int64_t num_items, float* values, bool byteswap) noexcept override;
324
325 void
326 write_float64(int64_t num_items, double* values, bool byteswap) noexcept override;
327
328 void
329 write_add_int32(int32_t value) noexcept override;
330
331 void
332 write_add_int64(int64_t value) noexcept override;
333
334 private:
335
337 void
338 maybe_resize(int64_t next);
339
341 template <typename IN>
342 inline void write_one(IN value) noexcept {
343 length_++;
344 maybe_resize(length_);
345 ptr_.get()[length_ - 1] = (OUT)value;
346 }
347
349 template <typename IN>
350 inline void write_copy(int64_t num_items, const IN* values) noexcept {
351 int64_t next = length_ + num_items;
352 maybe_resize(next);
353 for (int64_t i = 0; i < num_items; i++) {
354 ptr_.get()[length_ + i] = (OUT)values[i];
355 }
356 length_ = next;
357 }
358
359 std::shared_ptr<OUT> ptr_;
360 };
361
362}
363
364#endif // AWKWARD_FORTHOUTPUTBUFFER_H_
Content.h
Index.h
awkward::ForthOutputBufferOf
Definition: ForthOutputBuffer.h:216
awkward::ForthOutputBufferOf::dup
void dup(int64_t num_times, util::ForthError &err) noexcept override
HERE.
awkward::ForthOutputBufferOf::ForthOutputBufferOf
ForthOutputBufferOf(int64_t initial, double resize)
awkward::ForthOutputBufferOf::ptr
const std::shared_ptr< void > ptr() const noexcept override
HERE.
awkward::ForthOutputBuffer
HERE.
Definition: ForthOutputBuffer.h:36
awkward::ForthOutputBuffer::ForthOutputBuffer
ForthOutputBuffer(int64_t initial, double resize)
awkward::ForthOutputBuffer::len
int64_t len() const noexcept
HERE.
awkward::ForthOutputBuffer::~ForthOutputBuffer
virtual ~ForthOutputBuffer()
Virtual destructor acts as a first non-inline virtual function that determines a specific translation...
awkward::IndexOf
A contiguous, one-dimensional array of integers used to represent data structures,...
Definition: Index.h:82
common.h
LIBAWKWARD_EXPORT_SYMBOL
#define LIBAWKWARD_EXPORT_SYMBOL
Definition: common.h:45
awkward::util::ForthError
ForthError
Exhaustive list of runtime errors possible in the ForthMachine.
Definition: util.h:224
awkward
Definition: BitMaskedArray.h:15
awkward::byteswap_intp
void byteswap_intp(int64_t num_items, T &value)
HERE.
awkward::byteswap64
void byteswap64(int64_t num_items, T &value)
HERE.
awkward::byteswap16
void byteswap16(int64_t num_items, T &value)
HERE.
awkward::ContentPtr
std::shared_ptr< Content > ContentPtr
Definition: Content.h:15
awkward::byteswap32
void byteswap32(int64_t num_items, T &value)
HERE.