Repository navigation
Expand file tree
/
Copy patharray.cpp
More file actions
486 lines (406 loc) · 13.8 KB
/
Copy patharray.cpp
File metadata and controls
486 lines (406 loc) · 13.8 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
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
#define ARRAY_GROW_FORMULA(x) (gb_max(((x)+1)*3 >> 1, 8))
GB_STATIC_ASSERT(ARRAY_GROW_FORMULA(0) > 0);
template <typename T>
struct Array {
gbAllocator allocator;
T * data;
isize count;
isize capacity;
T &operator[](isize index) {
#if !defined(NO_ARRAY_BOUNDS_CHECK)
GB_ASSERT_MSG(cast(usize)index < cast(usize)count, "Index %td is out of bounds ranges 0..<%td", index, count);
#endif
return data[index];
}
T const &operator[](isize index) const {
#if !defined(NO_ARRAY_BOUNDS_CHECK)
GB_ASSERT_MSG(cast(usize)index < cast(usize)count, "Index %td is out of bounds ranges 0..<%td", index, count);
#endif
return data[index];
}
};
template <typename T> gb_internal void array_init (Array<T> *array, gbAllocator const &a);
template <typename T> gb_internal void array_init (Array<T> *array, gbAllocator const &a, isize count);
template <typename T> gb_internal void array_init (Array<T> *array, gbAllocator const &a, isize count, isize capacity);
template <typename T> gb_internal Array<T> array_make (gbAllocator const &a);
template <typename T> gb_internal Array<T> array_make (gbAllocator const &a, isize count);
template <typename T> gb_internal Array<T> array_make (gbAllocator const &a, isize count, isize capacity);
template <typename T> gb_internal Array<T> array_make_from_ptr (T *data, isize count, isize capacity);
template <typename T> gb_internal void array_free (Array<T> *array);
template <typename T> gb_internal void array_add (Array<T> *array, T const &t);
template <typename T> gb_internal T * array_add_and_get (Array<T> *array);
template <typename T> gb_internal void array_add_elems (Array<T> *array, T const *elems, isize elem_count);
template <typename T> gb_internal T array_pop (Array<T> *array);
template <typename T> gb_internal void array_clear (Array<T> *array);
template <typename T> gb_internal void array_reserve (Array<T> *array, isize capacity);
template <typename T> gb_internal void array_resize (Array<T> *array, isize count);
template <typename T> gb_internal void array_set_capacity (Array<T> *array, isize capacity);
template <typename T> gb_internal Array<T> array_slice (Array<T> const &array, isize lo, isize hi);
template <typename T> gb_internal Array<T> array_clone (gbAllocator const &a, Array<T> const &array);
template <typename T> gb_internal void array_ordered_remove (Array<T> *array, isize index);
template <typename T> gb_internal void array_unordered_remove(Array<T> *array, isize index);
template <typename T> gb_internal void array_copy(Array<T> *array, Array<T> const &data, isize offset);
template <typename T> gb_internal void array_copy(Array<T> *array, Array<T> const &data, isize offset, isize count);
template <typename T> gb_internal T *array_end_ptr(Array<T> *array);
template <typename T>
gb_internal void array_sort(Array<T> &array, gbCompareProc compare_proc) {
gb_sort_array(array.data, array.count, compare_proc);
}
template <typename T>
struct Slice {
T *data;
isize count;
gb_inline T &operator[](isize index) {
#if !defined(NO_ARRAY_BOUNDS_CHECK)
GB_ASSERT_MSG(cast(usize)index < cast(usize)count, "Index %td is out of bounds ranges 0..<%td", index, count);
#endif
return data[index];
}
gb_inline T const &operator[](isize index) const {
#if !defined(NO_ARRAY_BOUNDS_CHECK)
GB_ASSERT_MSG(cast(usize)index < cast(usize)count, "Index %td is out of bounds ranges 0..<%td", index, count);
#endif
return data[index];
}
};
template <typename T> gb_internal Slice<T> slice_from_array(Array<T> const &a);
template <typename T>
gb_internal Slice<T> slice_make(gbAllocator const &allocator, isize count) {
GB_ASSERT(count >= 0);
Slice<T> s = {};
s.data = gb_alloc_array(allocator, T, count);
if (count > 0) {
GB_ASSERT(s.data != nullptr);
}
s.count = count;
return s;
}
template <typename T>
gb_internal void slice_init(Slice<T> *s, gbAllocator const &allocator, isize count) {
GB_ASSERT(count >= 0);
s->data = gb_alloc_array(allocator, T, count);
if (count > 0) {
GB_ASSERT(s->data != nullptr);
}
s->count = count;
}
template <typename T>
gb_internal void slice_free(Slice<T> *s, gbAllocator const &allocator) {
gb_free(allocator, s->data);
}
template <typename T>
gb_internal void slice_resize(Slice<T> *s, gbAllocator const &allocator, isize new_count) {
resize_array_raw(&s->data, allocator, s->count, new_count);
s->count = new_count;
}
template <typename T>
gb_internal Slice<T> slice_from_array(Array<T> const &a) {
return {a.data, a.count};
}
template <typename T>
gb_internal Slice<T> slice_array(Array<T> const &array, isize lo, isize hi) {
GB_ASSERT(0 <= lo && lo <= hi && hi <= array.count);
Slice<T> out = {};
isize len = hi-lo;
if (len > 0) {
out.data = array.data+lo;
out.count = len;
}
return out;
}
template <typename T>
gb_internal Slice<T> slice_clone(gbAllocator const &allocator, Slice<T> const &a) {
T *data = cast(T *)gb_alloc_copy_align(allocator, a.data, a.count*gb_size_of(T), gb_align_of(T));
return {data, a.count};
}
template <typename T>
gb_internal Slice<T> slice_clone_from_array(gbAllocator const &allocator, Array<T> const &a) {
auto c = array_clone(allocator, a);
return {c.data, c.count};
}
template <typename T>
gb_internal void slice_copy(Slice<T> *slice, Slice<T> const &data) {
isize n = gb_min(slice->count, data.count);
gb_memmove(slice->data, data.data, gb_size_of(T)*n);
}
template <typename T>
gb_internal void slice_copy(Slice<T> *slice, Slice<T> const &data, isize offset) {
isize n = gb_clamp(slice->count-offset, 0, data.count);
gb_memmove(slice->data+offset, data.data, gb_size_of(T)*n);
}
template <typename T>
gb_internal void slice_copy(Slice<T> *slice, Slice<T> const &data, isize offset, isize count) {
isize n = gb_clamp(slice->count-offset, 0, gb_min(data.count, count));
gb_memmove(slice->data+offset, data.data, gb_size_of(T)*n);
}
template <typename T>
gb_internal gb_inline Slice<T> slice(Slice<T> const &array, isize lo, isize hi) {
GB_ASSERT(0 <= lo && lo <= hi && hi <= array.count);
Slice<T> out = {};
isize len = hi-lo;
if (len > 0) {
out.data = array.data+lo;
out.count = len;
}
return out;
}
template <typename T>
gb_internal gb_inline Slice<T> slice(Array<T> const &array, isize lo, isize hi) {
GB_ASSERT(0 <= lo && lo <= hi && hi <= array.count);
Slice<T> out = {};
isize len = hi-lo;
if (len > 0) {
out.data = array.data+lo;
out.count = len;
}
return out;
}
template <typename T>
gb_internal void slice_ordered_remove(Slice<T> *array, isize index) {
GB_ASSERT(0 <= index && index < array->count);
isize bytes = gb_size_of(T) * (array->count-(index+1));
gb_memmove(array->data+index, array->data+index+1, bytes);
array->count -= 1;
}
template <typename T>
gb_internal void slice_unordered_remove(Slice<T> *array, isize index) {
GB_ASSERT(0 <= index && index < array->count);
isize n = array->count-1;
if (index != n) {
gb_memmove(array->data+index, array->data+n, gb_size_of(T));
}
array->count -= 1;
}
template <typename T>
gb_internal void array_copy(Array<T> *array, Array<T> const &data, isize offset) {
gb_memmove(array->data+offset, data.data, gb_size_of(T)*data.count);
}
template <typename T>
gb_internal void array_copy(Array<T> *array, Array<T> const &data, isize offset, isize count) {
gb_memmove(array->data+offset, data.data, gb_size_of(T)*gb_min(data.count, count));
}
template <typename T>
gb_internal T *array_end_ptr(Array<T> *array) {
if (array->count > 0) {
return &array->data[array->count-1];
}
return nullptr;
}
template <typename T>
gb_internal gb_inline void array_init(Array<T> *array, gbAllocator const &a) {
isize cap = ARRAY_GROW_FORMULA(0);
array_init(array, a, 0, cap);
}
template <typename T>
gb_internal gb_inline void array_init(Array<T> *array, gbAllocator const &a, isize count) {
array_init(array, a, count, count);
}
template <typename T>
gb_internal gb_inline void array_init(Array<T> *array, gbAllocator const &a, isize count, isize capacity) {
array->allocator = a;
array->data = nullptr;
if (capacity > 0) {
array->data = gb_alloc_array(a, T, capacity);
}
array->count = count;
array->capacity = capacity;
}
template <typename T>
gb_internal gb_inline Array<T> array_make_from_ptr(T *data, isize count, isize capacity) {
Array<T> a = {0};
a.data = data;
a.count = count;
a.capacity = capacity;
return a;
}
template <typename T>
gb_internal gb_inline Array<T> array_make(gbAllocator const &a) {
isize capacity = ARRAY_GROW_FORMULA(0);
Array<T> array = {};
array.allocator = a;
array.data = gb_alloc_array(a, T, capacity);
array.count = 0;
array.capacity = capacity;
return array;
}
template <typename T>
gb_internal gb_inline Array<T> array_make(gbAllocator const &a, isize count) {
Array<T> array = {};
array.allocator = a;
array.data = gb_alloc_array(a, T, count);
array.count = count;
array.capacity = count;
return array;
}
template <typename T>
gb_internal gb_inline Array<T> array_make(gbAllocator const &a, isize count, isize capacity) {
Array<T> array = {};
array.allocator = a;
array.data = gb_alloc_array(a, T, capacity);
array.count = count;
array.capacity = capacity;
return array;
}
template <typename T>
gb_internal gb_inline void array_free(Array<T> *array) {
if (array->allocator.proc != nullptr) {
gb_free(array->allocator, array->data);
}
array->count = 0;
array->capacity = 0;
}
template <typename T>
gb_internal void array__grow(Array<T> *array, isize min_capacity) {
isize new_capacity = ARRAY_GROW_FORMULA(array->capacity);
if (new_capacity < min_capacity) {
new_capacity = min_capacity;
}
array_set_capacity(array, new_capacity);
}
template <typename T>
gb_internal void array_add(Array<T> *array, T const &t) {
if (array->capacity < array->count+1) {
array__grow(array, 0);
}
array->data[array->count] = t;
array->count++;
}
gb_internal void array_add(Array<char const *> *array, char const *t) {
if (array->capacity < array->count+1) {
array__grow(array, 0);
}
array->data[array->count] = t;
array->count++;
}
template <typename T>
gb_internal T *array_add_and_get(Array<T> *array) {
if (array->count < array->capacity) {
return &array->data[array->count++];
}
if (array->capacity < array->count+1) {
array__grow(array, 0);
}
return &array->data[array->count++];
}
template <typename T>
gb_internal void array_add_elems(Array<T> *array, T const *elems, isize elem_count) {
GB_ASSERT(elem_count >= 0);
if (array->capacity < array->count+elem_count) {
array__grow(array, array->count+elem_count);
}
gb_memmove(array->data + array->count, elems, elem_count * gb_size_of(T));
array->count += elem_count;
}
template <typename T>
gb_internal gb_inline T array_pop(Array<T> *array) {
GB_ASSERT(array->count > 0);
array->count--;
return array->data[array->count];
}
template <typename T>
gb_internal void array_clear(Array<T> *array) {
array->count = 0;
}
template <typename T>
gb_internal void array_reserve(Array<T> *array, isize capacity) {
if (array->capacity < capacity) {
array_set_capacity(array, capacity);
}
}
template <typename T>
gb_internal void array_resize(Array<T&
9A7E
gt; *array, isize count) {
if (array->capacity < count) {
array__grow(array, count);
}
array->count = count;
}
template <typename T>
gb_internal void array_set_capacity(Array<T> *array, isize capacity) {
if (capacity == array->capacity) {
return;
}
if (capacity < array->count) {
array_resize(array, capacity);
}
isize old_size = array->capacity * gb_size_of(T);
isize new_size = capacity * gb_size_of(T);
T *new_data = nullptr;
// NOTE(bill): try gb_resize_align first, and then fallback to alloc+memmove+free
new_data = cast(T *)gb_resize_align(array->allocator, array->data, old_size, new_size, gb_align_of(T));
if (new_data == nullptr) {
if (capacity > 0) {
new_data = gb_alloc_array(array->allocator, T, capacity);
GB_ASSERT(new_data != nullptr);
gb_memmove(new_data, array->data, old_size);
}
gb_free(array->allocator, array->data);
}
array->data = new_data;
array->capacity = capacity;
}
template <typename T>
gb_internal gb_inline Array<T> array_slice(Array<T> const &array, isize lo, isize hi) {
GB_ASSERT(0 <= lo && lo <= hi && hi <= array.count);
Array<T> out = {};
isize len = hi-lo;
if (len > 0) {
out.data = array.data+lo;
out.count = len;
out.capacity = len;
}
return out;
}
template <typename T>
gb_internal Array<T> array_clone(gbAllocator const &allocator, Array<T> const &array) {
auto clone = array_make<T>(allocator, array.count, array.count);
array_copy(&clone, array, 0);
return clone;
}
template <typename T>
gb_internal void array_ordered_remove(Array<T> *array, isize index) {
GB_ASSERT(0 <= index && index < array->count);
isize bytes = gb_size_of(T) * (array->count-(index+1));
gb_memmove(array->data+index, array->data+index+1, bytes);
array->count -= 1;
}
template <typename T>
gb_internal void array_unordered_remove(Array<T> *array, isize index) {
GB_ASSERT(0 <= index && index < array->count);
isize n = array->count-1;
if (index != n) {
gb_memmove(array->data+index, array->data+n, gb_size_of(T));
}
array_pop(array);
}
template <typename T>
gb_internal T *begin(Array<T> &array) {
return array.data;
}
template <typename T>
gb_internal T const *begin(Array<T> const &array) {
return array.data;
}
template <typename T>
gb_internal T *end(Array<T> &array) {
return array.data + array.count;
}
template <typename T>
gb_internal T const *end(Array<T> const &array) {
return array.data + array.count;
}
template <typename T>
gb_internal T *begin(Slice<T> &array) {
return array.data;
}
template <typename T>
gb_internal T const *begin(Slice<T> const &array) {
return array.data;
}
template <typename T>
gb_internal T *end(Slice<T> &array) {
return array.data + array.count;
}
template <typename T>
gb_internal T const *end(Slice<T> const &array) {
return array.data + array.count;
}