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1 | // | ||
2 | // Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com) | ||
3 | // | ||
4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | ||
5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | ||
6 | // | ||
7 | // Official repository: https://github.com/CPPAlliance/http_proto | ||
8 | // | ||
9 | |||
10 | #ifndef BOOST_HTTP_PROTO_BUFFER_HPP | ||
11 | #define BOOST_HTTP_PROTO_BUFFER_HPP | ||
12 | |||
13 | #include <boost/http_proto/detail/config.hpp> | ||
14 | #include <boost/assert.hpp> | ||
15 | #include <boost/config/workaround.hpp> | ||
16 | #include <boost/type_traits/make_void.hpp> | ||
17 | #include <cstdlib> | ||
18 | #include <cstring> | ||
19 | #include <type_traits> | ||
20 | #include <utility> | ||
21 | |||
22 | namespace boost { | ||
23 | namespace http_proto { | ||
24 | |||
25 | //------------------------------------------------ | ||
26 | |||
27 | /** Determine if T is a possibly-const buffer. | ||
28 | */ | ||
29 | #if BOOST_HTTP_PROTO_DOCS | ||
30 | template<bool isConst, class T> | ||
31 | struct is_buffer | ||
32 | : std::integral_constant<bool, ...>{}; | ||
33 | #else | ||
34 | |||
35 | template< | ||
36 | bool isConst, class T, | ||
37 | class = void> | ||
38 | struct is_buffer : std::false_type {}; | ||
39 | |||
40 | template< | ||
41 | bool isConst, class T> | ||
42 | struct is_buffer< | ||
43 | isConst, T, boost::void_t<decltype( | ||
44 | std::declval<std::size_t&>() = | ||
45 | std::declval<T const&>().size() | ||
46 | ), | ||
47 | typename std::enable_if< | ||
48 | std::is_same< | ||
49 | void*, decltype( | ||
50 | std::declval<T const&>().data()) | ||
51 | >::value || ( | ||
52 | std::is_same< | ||
53 | void const*, decltype( | ||
54 | std::declval<T const&>().data()) | ||
55 | >::value && isConst) | ||
56 | >::type | ||
57 | >> : std::is_copy_constructible<T> | ||
58 | { | ||
59 | }; | ||
60 | |||
61 | #endif | ||
62 | |||
63 | /** Determine if T is a const buffer. | ||
64 | */ | ||
65 | template<class T> | ||
66 | using is_const_buffer = is_buffer<true, T>; | ||
67 | |||
68 | /** Determine if T is a mutable buffer. | ||
69 | */ | ||
70 | template<class T> | ||
71 | using is_mutable_buffer = is_buffer<false, T>; | ||
72 | |||
73 | //------------------------------------------------ | ||
74 | |||
75 | /** Determine if T is a buffer sequence. | ||
76 | */ | ||
77 | #if BOOST_HTTP_PROTO_DOCS | ||
78 | template<bool isConst, class T> | ||
79 | struct is_buffers | ||
80 | : std::integral_constant<bool, ...>{}; | ||
81 | #else | ||
82 | |||
83 | template< | ||
84 | bool isConst, class T, | ||
85 | class = void> | ||
86 | struct is_buffers | ||
87 | : is_buffer<isConst, T> | ||
88 | { | ||
89 | }; | ||
90 | |||
91 | template< | ||
92 | bool isConst, class T> | ||
93 | struct is_buffers< | ||
94 | isConst, T, boost::void_t< | ||
95 | typename std::enable_if< | ||
96 | is_buffer< | ||
97 | isConst, decltype( | ||
98 | *std::declval<T const&>().begin()) | ||
99 | >::value && | ||
100 | is_buffer< | ||
101 | isConst, decltype( | ||
102 | *std::declval<T const&>().end()) | ||
103 | >::value | ||
104 | >::type | ||
105 | >> : std::is_move_constructible<T> | ||
106 | { | ||
107 | }; | ||
108 | |||
109 | #endif | ||
110 | |||
111 | /** Determine if T is a const buffers. | ||
112 | */ | ||
113 | template<class T> | ||
114 | using is_const_buffers = is_buffers<true, T>; | ||
115 | |||
116 | /** Determine if T is a mutable buffers. | ||
117 | */ | ||
118 | template<class T> | ||
119 | using is_mutable_buffers = is_buffers<false, T>; | ||
120 | |||
121 | //------------------------------------------------ | ||
122 | |||
123 | class mutable_buffer | ||
124 | { | ||
125 | void* p_ = nullptr; | ||
126 | std::size_t n_ = 0; | ||
127 | |||
128 | public: | ||
129 | 711 | mutable_buffer() = default; | |
130 | mutable_buffer( | ||
131 | mutable_buffer const&) = default; | ||
132 | mutable_buffer& operator=( | ||
133 | mutable_buffer const&) = default; | ||
134 | |||
135 | 12727 | mutable_buffer( | |
136 | void* data, | ||
137 | std::size_t size) noexcept | ||
138 | 12727 | : p_(data) | |
139 | 12727 | , n_(size) | |
140 | { | ||
141 | 12727 | } | |
142 | |||
143 | template< | ||
144 | class MutableBuffer | ||
145 | #ifndef BOOST_HTTP_PROTO_DOCS | ||
146 | ,class = typename std::enable_if< | ||
147 | is_mutable_buffer<MutableBuffer | ||
148 | >::value>::type | ||
149 | #endif | ||
150 | > | ||
151 | 2 | mutable_buffer( | |
152 | MutableBuffer const& b) noexcept | ||
153 | : p_(b.data()) | ||
154 | 2 | , n_(b.size()) | |
155 | { | ||
156 | 2 | } | |
157 | |||
158 | void* | ||
159 | 12288 | data() const noexcept | |
160 | { | ||
161 | 12288 | return p_; | |
162 | } | ||
163 | |||
164 | std::size_t | ||
165 | 28616 | size() const noexcept | |
166 | { | ||
167 | 28616 | return n_; | |
168 | } | ||
169 | |||
170 | mutable_buffer& | ||
171 | 2 | operator+=(std::size_t n) noexcept | |
172 | { | ||
173 |
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2 | if(n >= n_) |
174 | { | ||
175 | ✗ | p_ = static_cast< | |
176 | ✗ | char*>(p_) + n_; | |
177 | ✗ | n_ = 0; | |
178 | ✗ | return *this; | |
179 | } | ||
180 | 2 | p_ = static_cast< | |
181 | 2 | char*>(p_) + n; | |
182 | 2 | n_ -= n; | |
183 | 2 | return *this; | |
184 | } | ||
185 | |||
186 | friend | ||
187 | mutable_buffer | ||
188 | 4647 | operator+( | |
189 | mutable_buffer const& b, | ||
190 | std::size_t n) noexcept | ||
191 | { | ||
192 |
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4647 | if(n < b.size()) |
193 | return { | ||
194 | static_cast<char*>( | ||
195 | 4647 | b.data()) + n, | |
196 | 4647 | b.size() - n }; | |
197 | return { | ||
198 | static_cast<char*>( | ||
199 | ✗ | b.data()) + b.size(), | |
200 | ✗ | 0 }; | |
201 | } | ||
202 | |||
203 | friend | ||
204 | mutable_buffer | ||
205 | 1 | operator+( | |
206 | std::size_t n, | ||
207 | mutable_buffer const& b) noexcept | ||
208 | { | ||
209 |
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1 | if(n < b.size()) |
210 | return { | ||
211 | static_cast<char*>( | ||
212 | 1 | b.data()) + n, | |
213 | 1 | b.size() - n }; | |
214 | return { | ||
215 | static_cast<char*>( | ||
216 | ✗ | b.data()) + b.size(), | |
217 | ✗ | 0 }; | |
218 | } | ||
219 | }; | ||
220 | |||
221 | //------------------------------------------------ | ||
222 | |||
223 | class const_buffer | ||
224 | { | ||
225 | void const* p_ = nullptr; | ||
226 | std::size_t n_ = 0; | ||
227 | |||
228 | public: | ||
229 | 30 | const_buffer() = default; | |
230 | const_buffer( | ||
231 | const_buffer const&) = default; | ||
232 | const_buffer& operator=( | ||
233 | const_buffer const&) = default; | ||
234 | |||
235 | 9775 | const_buffer( | |
236 | void const* data, | ||
237 | std::size_t size) noexcept | ||
238 | 9775 | : p_(data) | |
239 | 9775 | , n_(size) | |
240 | { | ||
241 | 9775 | } | |
242 | |||
243 | template< | ||
244 | class ConstBuffer | ||
245 | #ifndef BOOST_HTTP_PROTO_DOCS | ||
246 | ,class = typename std::enable_if< | ||
247 | is_const_buffer<ConstBuffer | ||
248 | >::value>::type | ||
249 | #endif | ||
250 | > | ||
251 | 29 | const_buffer( | |
252 | ConstBuffer const& b) noexcept | ||
253 | : p_(b.data()) | ||
254 | 29 | , n_(b.size()) | |
255 | { | ||
256 | 29 | } | |
257 | |||
258 | void const* | ||
259 | 9306 | data() const noexcept | |
260 | { | ||
261 | 9306 | return p_; | |
262 | } | ||
263 | |||
264 | std::size_t | ||
265 | 23956 | size() const noexcept | |
266 | { | ||
267 | 23956 | return n_; | |
268 | } | ||
269 | |||
270 | const_buffer& | ||
271 | 2 | operator+=(std::size_t n) noexcept | |
272 | { | ||
273 |
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2 | if(n >= n_) |
274 | { | ||
275 | ✗ | p_ = static_cast< | |
276 | ✗ | char const*>(p_) + n_; | |
277 | ✗ | n_ = 0; | |
278 | ✗ | return *this; | |
279 | } | ||
280 | 2 | p_ = static_cast< | |
281 | 2 | char const*>(p_) + n; | |
282 | 2 | n_ -= n; | |
283 | 2 | return *this; | |
284 | } | ||
285 | |||
286 | friend | ||
287 | const_buffer | ||
288 | 4647 | operator+( | |
289 | const_buffer const& b, | ||
290 | std::size_t n) noexcept | ||
291 | { | ||
292 |
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4647 | if(n < b.size()) |
293 | return { | ||
294 | static_cast<char const*>( | ||
295 | 4647 | b.data()) + n, | |
296 | 4647 | b.size() - n }; | |
297 | return { | ||
298 | static_cast<char const*>( | ||
299 | ✗ | b.data()) + b.size(), | |
300 | ✗ | 0 }; | |
301 | } | ||
302 | |||
303 | friend | ||
304 | const_buffer | ||
305 | 1 | operator+( | |
306 | std::size_t n, | ||
307 | const_buffer const& b) noexcept | ||
308 | { | ||
309 |
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1 | if(n < b.size()) |
310 | return { | ||
311 | static_cast<char const*>( | ||
312 | 1 | b.data()) + n, | |
313 | 1 | b.size() - n }; | |
314 | return { | ||
315 | static_cast<char const*>( | ||
316 | ✗ | b.data()) + b.size(), | |
317 | ✗ | 0 }; | |
318 | } | ||
319 | }; | ||
320 | |||
321 | //------------------------------------------------ | ||
322 | |||
323 | /** A MutableBuffer of length 1 | ||
324 | */ | ||
325 | class mutable_buffers_1 | ||
326 | { | ||
327 | mutable_buffer mb_; | ||
328 | |||
329 | public: | ||
330 | using value_type = | ||
331 | mutable_buffer; | ||
332 | |||
333 | using const_iterator = | ||
334 | mutable_buffer const*; | ||
335 | |||
336 | 2 | mutable_buffers_1() = default; | |
337 | |||
338 | explicit | ||
339 | 15 | mutable_buffers_1( | |
340 | mutable_buffer mb) noexcept | ||
341 | 15 | : mb_(mb) | |
342 | { | ||
343 | 15 | } | |
344 | |||
345 | mutable_buffers_1& | ||
346 | operator=( | ||
347 | mutable_buffers_1 const&) = default; | ||
348 | |||
349 | const_iterator | ||
350 | 21 | begin() const noexcept | |
351 | { | ||
352 | 21 | return &mb_; | |
353 | } | ||
354 | |||
355 | const_iterator | ||
356 | 21 | end() const noexcept | |
357 | { | ||
358 | 21 | return &mb_ + 1; | |
359 | } | ||
360 | }; | ||
361 | |||
362 | /** A ConstBuffer of length 1 | ||
363 | */ | ||
364 | class const_buffers_1 | ||
365 | { | ||
366 | const_buffer cb_; | ||
367 | |||
368 | public: | ||
369 | using value_type = | ||
370 | const_buffer; | ||
371 | |||
372 | using const_iterator = | ||
373 | const_buffer const*; | ||
374 | |||
375 | 2 | const_buffers_1() = default; | |
376 | |||
377 | explicit | ||
378 | 15 | const_buffers_1( | |
379 | const_buffer cb) noexcept | ||
380 | 15 | : cb_(cb) | |
381 | { | ||
382 | 15 | } | |
383 | |||
384 | const_buffers_1& | ||
385 | operator=(const_buffers_1 const&) = default; | ||
386 | |||
387 | const_iterator | ||
388 | 21 | begin() const noexcept | |
389 | { | ||
390 | 21 | return &cb_; | |
391 | } | ||
392 | |||
393 | const_iterator | ||
394 | 21 | end() const noexcept | |
395 | { | ||
396 | 21 | return &cb_ + 1; | |
397 | } | ||
398 | }; | ||
399 | |||
400 | //------------------------------------------------ | ||
401 | |||
402 | template< | ||
403 | class ConstBuffer | ||
404 | #ifndef BOOST_HTTP_PROTO_DOCS | ||
405 | ,class = typename std::enable_if< | ||
406 | is_const_buffer< | ||
407 | ConstBuffer>::value && | ||
408 | ! is_mutable_buffer< | ||
409 | ConstBuffer>::value | ||
410 | >::type | ||
411 | #endif | ||
412 | > | ||
413 | auto | ||
414 | 15 | make_buffers( | |
415 | ConstBuffer const& b) -> | ||
416 | const_buffers_1 | ||
417 | { | ||
418 | return const_buffers_1( | ||
419 | 15 | const_buffer(b)); | |
420 | } | ||
421 | |||
422 | template< | ||
423 | class MutableBuffer | ||
424 | #ifndef BOOST_HTTP_PROTO_DOCS | ||
425 | ,class = typename std::enable_if< | ||
426 | is_mutable_buffer< | ||
427 | MutableBuffer>::value | ||
428 | >::type | ||
429 | #endif | ||
430 | > | ||
431 | auto | ||
432 | 15 | make_buffers( | |
433 | MutableBuffer const& b) -> | ||
434 | mutable_buffers_1 | ||
435 | { | ||
436 | return mutable_buffers_1( | ||
437 | 15 | mutable_buffer(b)); | |
438 | } | ||
439 | |||
440 | template< | ||
441 | class Buffers | ||
442 | #ifndef BOOST_HTTP_PROTO_DOCS | ||
443 | ,class = typename std::enable_if< | ||
444 | ! is_const_buffer< | ||
445 | Buffers>::value && | ||
446 | is_const_buffers< | ||
447 | Buffers>::value | ||
448 | >::type | ||
449 | #endif | ||
450 | > | ||
451 | auto | ||
452 | 10223 | make_buffers( | |
453 | Buffers&& b) -> | ||
454 | Buffers&& | ||
455 | { | ||
456 | return std::forward< | ||
457 | 10223 | Buffers>(b); | |
458 | } | ||
459 | |||
460 | //------------------------------------------------ | ||
461 | |||
462 | #if BOOST_WORKAROUND(BOOST_MSVC, < 1910) | ||
463 | # pragma warning (push) | ||
464 | # pragma warning (disable: 4521) // multiple copy constructors specified | ||
465 | # pragma warning (disable: 4522) // multiple assignment operators specified | ||
466 | #endif | ||
467 | |||
468 | template<bool isConst> | ||
469 | class buffers_pair | ||
470 | { | ||
471 | public: | ||
472 | // VFALCO: This type is public otherwise | ||
473 | // asio::buffers_iterator won't compile. | ||
474 | using value_type = typename | ||
475 | std::conditional<isConst, | ||
476 | const_buffer, | ||
477 | mutable_buffer>::type; | ||
478 | |||
479 | using const_iterator = value_type const*; | ||
480 | |||
481 | buffers_pair() = default; | ||
482 | |||
483 | #if defined(BOOST_HTTP_PROTO_DOCS) || ( \ | ||
484 | ! BOOST_WORKAROUND(BOOST_MSVC, < 1910)) | ||
485 | buffers_pair( | ||
486 | buffers_pair const& other) = default; | ||
487 | buffers_pair& operator=( | ||
488 | buffers_pair const& other) = default; | ||
489 | |||
490 | #else | ||
491 | buffers_pair( | ||
492 | buffers_pair const& other) | ||
493 | : buffers_pair( | ||
494 | *other.begin(), | ||
495 | *(other.begin() + 1)) | ||
496 | { | ||
497 | } | ||
498 | |||
499 | buffers_pair& | ||
500 | operator=(buffers_pair const& other) | ||
501 | { | ||
502 | b_[0] = other.b_[0]; | ||
503 | b_[1] = other.b_[1]; | ||
504 | return *this; | ||
505 | } | ||
506 | #endif | ||
507 | |||
508 | // const pair construction | ||
509 | // from mutable mutable pair | ||
510 | template< | ||
511 | bool isConst_ = isConst, | ||
512 | class = typename std::enable_if< | ||
513 | isConst_>::type> | ||
514 | buffers_pair( | ||
515 | buffers_pair<false> const& other) | ||
516 | : buffers_pair( | ||
517 | other.b_[0], | ||
518 | other.b_[1]) | ||
519 | { | ||
520 | } | ||
521 | |||
522 | // const pair assignment | ||
523 | // from mutable mutable pair | ||
524 | template< | ||
525 | bool isConst_ = isConst, | ||
526 | class = typename std::enable_if< | ||
527 | isConst_>::type> | ||
528 | buffers_pair& | ||
529 | operator=( | ||
530 | buffers_pair<false> const& other) | ||
531 | { | ||
532 | b_[0] = other.b_[0]; | ||
533 | b_[1] = other.b_[1]; | ||
534 | return *this; | ||
535 | } | ||
536 | |||
537 | 10172 | buffers_pair( | |
538 | value_type b0, | ||
539 | value_type b1) noexcept | ||
540 | 10172 | { | |
541 |
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10172 | if(b0.size() > 0) |
542 | { | ||
543 | 9392 | b_[0] = b0; | |
544 | 9392 | b_[1] = b1; | |
545 | } | ||
546 | else | ||
547 | { | ||
548 | 780 | b_[0] = b1; | |
549 | } | ||
550 | 10172 | } | |
551 | |||
552 | const_buffer | ||
553 | 16 | operator[]( | |
554 | std::size_t i) const noexcept | ||
555 | { | ||
556 |
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16 | BOOST_ASSERT(i < 2); |
557 | 16 | return b_[i]; | |
558 | } | ||
559 | |||
560 | const_iterator | ||
561 | 10174 | begin() const noexcept | |
562 | { | ||
563 | 10174 | return b_; | |
564 | } | ||
565 | |||
566 | const_iterator | ||
567 | 10174 | end() const noexcept | |
568 | { | ||
569 |
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10174 | if(b_[1].size() > 0) |
570 | 9362 | return &b_[2]; | |
571 |
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812 | if(b_[0].size() > 0) |
572 | 812 | return &b_[1]; | |
573 | ✗ | return b_; | |
574 | } | ||
575 | |||
576 | private: | ||
577 | value_type b_[2]; | ||
578 | }; | ||
579 | |||
580 | #if BOOST_WORKAROUND(BOOST_MSVC, < 1910) | ||
581 | # pragma warning (pop) | ||
582 | #endif | ||
583 | |||
584 | /** A mutable buffers pair | ||
585 | */ | ||
586 | using mutable_buffers_pair = | ||
587 | buffers_pair<false>; | ||
588 | |||
589 | /** A const buffers pair | ||
590 | */ | ||
591 | using const_buffers_pair = | ||
592 | buffers_pair<true>; | ||
593 | |||
594 | //------------------------------------------------ | ||
595 | |||
596 | /** Return the total octets in a buffer sequence | ||
597 | */ | ||
598 | template< | ||
599 | class ConstBuffers | ||
600 | #ifndef BOOST_HTTP_PROTO_DOCS | ||
601 | , class = typename std::enable_if< | ||
602 | is_const_buffers<ConstBuffers>::value | ||
603 | >::type | ||
604 | #endif | ||
605 | > | ||
606 | std::size_t | ||
607 | 25 | buffer_size( | |
608 | ConstBuffers const& buffers) noexcept | ||
609 | { | ||
610 | 25 | std::size_t n = 0; | |
611 |
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61 | for(const_buffer b |
612 | 25 | : make_buffers(buffers)) | |
613 | 36 | n += b.size(); | |
614 | 25 | return n; | |
615 | } | ||
616 | |||
617 | //------------------------------------------------ | ||
618 | |||
619 | /** Copy buffer contents | ||
620 | */ | ||
621 | template< | ||
622 | class MutableBuffers, | ||
623 | class ConstBuffers> | ||
624 | std::size_t | ||
625 | 2557 | buffer_copy( | |
626 | MutableBuffers const& to, | ||
627 | ConstBuffers const& from, | ||
628 | std::size_t at_most = | ||
629 | std::size_t(-1)) noexcept | ||
630 | { | ||
631 | // If you get a compile error here it | ||
632 | // means that one or both of your types | ||
633 | // do not meet the requirements. | ||
634 | static_assert( | ||
635 | is_mutable_buffers<MutableBuffers>::value && | ||
636 | is_const_buffers<ConstBuffers>::value, | ||
637 | "Type requirements not met"); | ||
638 | |||
639 | 2557 | std::size_t total = 0; | |
640 | 2557 | std::size_t pos0 = 0; | |
641 | 2557 | std::size_t pos1 = 0; | |
642 | 2557 | auto const& bs0 = (make_buffers)(from); | |
643 | 2557 | auto const& bs1 = (make_buffers)(to); | |
644 | 2557 | auto const end0 = bs0.end(); | |
645 | 2557 | auto const end1 = bs1.end(); | |
646 | 2557 | auto it0 = bs0.begin(); | |
647 | 2557 | auto it1 = bs1.begin(); | |
648 | 4646 | while( | |
649 |
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4837 | total < at_most && |
650 |
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11850 | it0 != end0 && |
651 | it1 != end1) | ||
652 | { | ||
653 | const_buffer b0 = | ||
654 | 4646 | const_buffer(*it0) + pos0; | |
655 | mutable_buffer b1 = | ||
656 | 4646 | mutable_buffer(*it1) + pos1; | |
657 | std::size_t amount = | ||
658 | 26688 | [&] | |
659 | { | ||
660 | 4646 | std::size_t n = b0.size(); | |
661 |
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4646 | if( n > b1.size()) |
662 | 1730 | n = b1.size(); | |
663 |
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4646 | if( n > at_most - total) |
664 | 1728 | n = at_most - total; | |
665 | 4646 | std::memcpy( | |
666 | b1.data(), | ||
667 | b0.data(), | ||
668 | n); | ||
669 | 4646 | return n; | |
670 | 4646 | }(); | |
671 | 4646 | total += amount; | |
672 |
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4646 | if(amount == b1.size()) |
673 | { | ||
674 | 1682 | ++it1; | |
675 | 1682 | pos1 = 0; | |
676 | } | ||
677 | else | ||
678 | { | ||
679 | 2964 | pos1 += amount; | |
680 | } | ||
681 |
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4646 | if(amount == b0.size()) |
682 | { | ||
683 | 1694 | ++it0; | |
684 | 1694 | pos0 = 0; | |
685 | } | ||
686 | else | ||
687 | { | ||
688 | 2952 | pos0 += amount; | |
689 | } | ||
690 | } | ||
691 | 2557 | return total; | |
692 | } | ||
693 | |||
694 | //------------------------------------------------ | ||
695 | |||
696 | // VFALCO GARBAGE | ||
697 | class mutable_buffers | ||
698 | { | ||
699 | mutable_buffer const* p_ = nullptr; | ||
700 | std::size_t n_ = 0; | ||
701 | |||
702 | public: | ||
703 | using value_type = mutable_buffer; | ||
704 | |||
705 | using iterator = value_type const*; | ||
706 | |||
707 | mutable_buffers() = default; | ||
708 | |||
709 | mutable_buffers( | ||
710 | mutable_buffers const&) = default; | ||
711 | |||
712 | mutable_buffers& operator=( | ||
713 | mutable_buffers const&) = default; | ||
714 | |||
715 | 2969 | mutable_buffers( | |
716 | value_type const* p, | ||
717 | std::size_t n) noexcept | ||
718 | 2969 | : p_(p) | |
719 | 2969 | , n_(n) | |
720 | { | ||
721 | 2969 | } | |
722 | |||
723 | std::size_t | ||
724 | size() const noexcept | ||
725 | { | ||
726 | return n_; | ||
727 | } | ||
728 | |||
729 | iterator | ||
730 | 2969 | begin() const noexcept | |
731 | { | ||
732 | 2969 | return p_; | |
733 | } | ||
734 | |||
735 | iterator | ||
736 | end() const noexcept | ||
737 | { | ||
738 | return p_ + n_; | ||
739 | } | ||
740 | }; | ||
741 | |||
742 | } // http_proto | ||
743 | } // boost | ||
744 | |||
745 | #endif | ||
746 |