bind_handler.hpp 13 KB

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  1. //
  2. // detail/bind_handler.hpp
  3. // ~~~~~~~~~~~~~~~~~~~~~~~
  4. //
  5. // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  6. //
  7. // Distributed under the Boost Software License, Version 1.0. (See accompanying
  8. // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  9. //
  10. #ifndef BOOST_ASIO_DETAIL_BIND_HANDLER_HPP
  11. #define BOOST_ASIO_DETAIL_BIND_HANDLER_HPP
  12. #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  13. # pragma once
  14. #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  15. #include <boost/asio/detail/config.hpp>
  16. #include <boost/asio/detail/handler_alloc_helpers.hpp>
  17. #include <boost/asio/detail/handler_cont_helpers.hpp>
  18. #include <boost/asio/detail/handler_invoke_helpers.hpp>
  19. #include <boost/asio/detail/push_options.hpp>
  20. namespace boost {
  21. namespace asio {
  22. namespace detail {
  23. template <typename Handler, typename Arg1>
  24. class binder1
  25. {
  26. public:
  27. binder1(const Handler& handler, const Arg1& arg1)
  28. : handler_(handler),
  29. arg1_(arg1)
  30. {
  31. }
  32. binder1(Handler& handler, const Arg1& arg1)
  33. : handler_(BOOST_ASIO_MOVE_CAST(Handler)(handler)),
  34. arg1_(arg1)
  35. {
  36. }
  37. void operator()()
  38. {
  39. handler_(static_cast<const Arg1&>(arg1_));
  40. }
  41. void operator()() const
  42. {
  43. handler_(arg1_);
  44. }
  45. //private:
  46. Handler handler_;
  47. Arg1 arg1_;
  48. };
  49. template <typename Handler, typename Arg1>
  50. inline void* asio_handler_allocate(std::size_t size,
  51. binder1<Handler, Arg1>* this_handler)
  52. {
  53. return boost_asio_handler_alloc_helpers::allocate(
  54. size, this_handler->handler_);
  55. }
  56. template <typename Handler, typename Arg1>
  57. inline void asio_handler_deallocate(void* pointer, std::size_t size,
  58. binder1<Handler, Arg1>* this_handler)
  59. {
  60. boost_asio_handler_alloc_helpers::deallocate(
  61. pointer, size, this_handler->handler_);
  62. }
  63. template <typename Handler, typename Arg1>
  64. inline bool asio_handler_is_continuation(
  65. binder1<Handler, Arg1>* this_handler)
  66. {
  67. return boost_asio_handler_cont_helpers::is_continuation(
  68. this_handler->handler_);
  69. }
  70. template <typename Function, typename Handler, typename Arg1>
  71. inline void asio_handler_invoke(Function& function,
  72. binder1<Handler, Arg1>* this_handler)
  73. {
  74. boost_asio_handler_invoke_helpers::invoke(
  75. function, this_handler->handler_);
  76. }
  77. template <typename Function, typename Handler, typename Arg1>
  78. inline void asio_handler_invoke(const Function& function,
  79. binder1<Handler, Arg1>* this_handler)
  80. {
  81. boost_asio_handler_invoke_helpers::invoke(
  82. function, this_handler->handler_);
  83. }
  84. template <typename Handler, typename Arg1>
  85. inline binder1<Handler, Arg1> bind_handler(Handler handler,
  86. const Arg1& arg1)
  87. {
  88. return binder1<Handler, Arg1>(handler, arg1);
  89. }
  90. template <typename Handler, typename Arg1, typename Arg2>
  91. class binder2
  92. {
  93. public:
  94. binder2(const Handler& handler, const Arg1& arg1, const Arg2& arg2)
  95. : handler_(handler),
  96. arg1_(arg1),
  97. arg2_(arg2)
  98. {
  99. }
  100. binder2(Handler& handler, const Arg1& arg1, const Arg2& arg2)
  101. : handler_(BOOST_ASIO_MOVE_CAST(Handler)(handler)),
  102. arg1_(arg1),
  103. arg2_(arg2)
  104. {
  105. }
  106. void operator()()
  107. {
  108. handler_(static_cast<const Arg1&>(arg1_),
  109. static_cast<const Arg2&>(arg2_));
  110. }
  111. void operator()() const
  112. {
  113. handler_(arg1_, arg2_);
  114. }
  115. //private:
  116. Handler handler_;
  117. Arg1 arg1_;
  118. Arg2 arg2_;
  119. };
  120. template <typename Handler, typename Arg1, typename Arg2>
  121. inline void* asio_handler_allocate(std::size_t size,
  122. binder2<Handler, Arg1, Arg2>* this_handler)
  123. {
  124. return boost_asio_handler_alloc_helpers::allocate(
  125. size, this_handler->handler_);
  126. }
  127. template <typename Handler, typename Arg1, typename Arg2>
  128. inline void asio_handler_deallocate(void* pointer, std::size_t size,
  129. binder2<Handler, Arg1, Arg2>* this_handler)
  130. {
  131. boost_asio_handler_alloc_helpers::deallocate(
  132. pointer, size, this_handler->handler_);
  133. }
  134. template <typename Handler, typename Arg1, typename Arg2>
  135. inline bool asio_handler_is_continuation(
  136. binder2<Handler, Arg1, Arg2>* this_handler)
  137. {
  138. return boost_asio_handler_cont_helpers::is_continuation(
  139. this_handler->handler_);
  140. }
  141. template <typename Function, typename Handler, typename Arg1, typename Arg2>
  142. inline void asio_handler_invoke(Function& function,
  143. binder2<Handler, Arg1, Arg2>* this_handler)
  144. {
  145. boost_asio_handler_invoke_helpers::invoke(
  146. function, this_handler->handler_);
  147. }
  148. template <typename Function, typename Handler, typename Arg1, typename Arg2>
  149. inline void asio_handler_invoke(const Function& function,
  150. binder2<Handler, Arg1, Arg2>* this_handler)
  151. {
  152. boost_asio_handler_invoke_helpers::invoke(
  153. function, this_handler->handler_);
  154. }
  155. template <typename Handler, typename Arg1, typename Arg2>
  156. inline binder2<Handler, Arg1, Arg2> bind_handler(Handler handler,
  157. const Arg1& arg1, const Arg2& arg2)
  158. {
  159. return binder2<Handler, Arg1, Arg2>(handler, arg1, arg2);
  160. }
  161. template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
  162. class binder3
  163. {
  164. public:
  165. binder3(const Handler& handler, const Arg1& arg1, const Arg2& arg2,
  166. const Arg3& arg3)
  167. : handler_(handler),
  168. arg1_(arg1),
  169. arg2_(arg2),
  170. arg3_(arg3)
  171. {
  172. }
  173. binder3(Handler& handler, const Arg1& arg1, const Arg2& arg2,
  174. const Arg3& arg3)
  175. : handler_(BOOST_ASIO_MOVE_CAST(Handler)(handler)),
  176. arg1_(arg1),
  177. arg2_(arg2),
  178. arg3_(arg3)
  179. {
  180. }
  181. void operator()()
  182. {
  183. handler_(static_cast<const Arg1&>(arg1_),
  184. static_cast<const Arg2&>(arg2_),
  185. static_cast<const Arg3&>(arg3_));
  186. }
  187. void operator()() const
  188. {
  189. handler_(arg1_, arg2_, arg3_);
  190. }
  191. //private:
  192. Handler handler_;
  193. Arg1 arg1_;
  194. Arg2 arg2_;
  195. Arg3 arg3_;
  196. };
  197. template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
  198. inline void* asio_handler_allocate(std::size_t size,
  199. binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
  200. {
  201. return boost_asio_handler_alloc_helpers::allocate(
  202. size, this_handler->handler_);
  203. }
  204. template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
  205. inline void asio_handler_deallocate(void* pointer, std::size_t size,
  206. binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
  207. {
  208. boost_asio_handler_alloc_helpers::deallocate(
  209. pointer, size, this_handler->handler_);
  210. }
  211. template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
  212. inline bool asio_handler_is_continuation(
  213. binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
  214. {
  215. return boost_asio_handler_cont_helpers::is_continuation(
  216. this_handler->handler_);
  217. }
  218. template <typename Function, typename Handler, typename Arg1, typename Arg2,
  219. typename Arg3>
  220. inline void asio_handler_invoke(Function& function,
  221. binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
  222. {
  223. boost_asio_handler_invoke_helpers::invoke(
  224. function, this_handler->handler_);
  225. }
  226. template <typename Function, typename Handler, typename Arg1, typename Arg2,
  227. typename Arg3>
  228. inline void asio_handler_invoke(const Function& function,
  229. binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
  230. {
  231. boost_asio_handler_invoke_helpers::invoke(
  232. function, this_handler->handler_);
  233. }
  234. template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
  235. inline binder3<Handler, Arg1, Arg2, Arg3> bind_handler(Handler handler,
  236. const Arg1& arg1, const Arg2& arg2, const Arg3& arg3)
  237. {
  238. return binder3<Handler, Arg1, Arg2, Arg3>(handler, arg1, arg2, arg3);
  239. }
  240. template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
  241. typename Arg4>
  242. class binder4
  243. {
  244. public:
  245. binder4(const Handler& handler, const Arg1& arg1, const Arg2& arg2,
  246. const Arg3& arg3, const Arg4& arg4)
  247. : handler_(handler),
  248. arg1_(arg1),
  249. arg2_(arg2),
  250. arg3_(arg3),
  251. arg4_(arg4)
  252. {
  253. }
  254. binder4(Handler& handler, const Arg1& arg1, const Arg2& arg2,
  255. const Arg3& arg3, const Arg4& arg4)
  256. : handler_(BOOST_ASIO_MOVE_CAST(Handler)(handler)),
  257. arg1_(arg1),
  258. arg2_(arg2),
  259. arg3_(arg3),
  260. arg4_(arg4)
  261. {
  262. }
  263. void operator()()
  264. {
  265. handler_(static_cast<const Arg1&>(arg1_),
  266. static_cast<const Arg2&>(arg2_),
  267. static_cast<const Arg3&>(arg3_),
  268. static_cast<const Arg4&>(arg4_));
  269. }
  270. void operator()() const
  271. {
  272. handler_(arg1_, arg2_, arg3_, arg4_);
  273. }
  274. //private:
  275. Handler handler_;
  276. Arg1 arg1_;
  277. Arg2 arg2_;
  278. Arg3 arg3_;
  279. Arg4 arg4_;
  280. };
  281. template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
  282. typename Arg4>
  283. inline void* asio_handler_allocate(std::size_t size,
  284. binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
  285. {
  286. return boost_asio_handler_alloc_helpers::allocate(
  287. size, this_handler->handler_);
  288. }
  289. template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
  290. typename Arg4>
  291. inline void asio_handler_deallocate(void* pointer, std::size_t size,
  292. binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
  293. {
  294. boost_asio_handler_alloc_helpers::deallocate(
  295. pointer, size, this_handler->handler_);
  296. }
  297. template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
  298. typename Arg4>
  299. inline bool asio_handler_is_continuation(
  300. binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
  301. {
  302. return boost_asio_handler_cont_helpers::is_continuation(
  303. this_handler->handler_);
  304. }
  305. template <typename Function, typename Handler, typename Arg1, typename Arg2,
  306. typename Arg3, typename Arg4>
  307. inline void asio_handler_invoke(Function& function,
  308. binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
  309. {
  310. boost_asio_handler_invoke_helpers::invoke(
  311. function, this_handler->handler_);
  312. }
  313. template <typename Function, typename Handler, typename Arg1, typename Arg2,
  314. typename Arg3, typename Arg4>
  315. inline void asio_handler_invoke(const Function& function,
  316. binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
  317. {
  318. boost_asio_handler_invoke_helpers::invoke(
  319. function, this_handler->handler_);
  320. }
  321. template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
  322. typename Arg4>
  323. inline binder4<Handler, Arg1, Arg2, Arg3, Arg4> bind_handler(
  324. Handler handler, const Arg1& arg1, const Arg2& arg2,
  325. const Arg3& arg3, const Arg4& arg4)
  326. {
  327. return binder4<Handler, Arg1, Arg2, Arg3, Arg4>(handler, arg1, arg2, arg3,
  328. arg4);
  329. }
  330. template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
  331. typename Arg4, typename Arg5>
  332. class binder5
  333. {
  334. public:
  335. binder5(const Handler& handler, const Arg1& arg1, const Arg2& arg2,
  336. const Arg3& arg3, const Arg4& arg4, const Arg5& arg5)
  337. : handler_(handler),
  338. arg1_(arg1),
  339. arg2_(arg2),
  340. arg3_(arg3),
  341. arg4_(arg4),
  342. arg5_(arg5)
  343. {
  344. }
  345. binder5(Handler& handler, const Arg1& arg1, const Arg2& arg2,
  346. const Arg3& arg3, const Arg4& arg4, const Arg5& arg5)
  347. : handler_(BOOST_ASIO_MOVE_CAST(Handler)(handler)),
  348. arg1_(arg1),
  349. arg2_(arg2),
  350. arg3_(arg3),
  351. arg4_(arg4),
  352. arg5_(arg5)
  353. {
  354. }
  355. void operator()()
  356. {
  357. handler_(static_cast<const Arg1&>(arg1_),
  358. static_cast<const Arg2&>(arg2_),
  359. static_cast<const Arg3&>(arg3_),
  360. static_cast<const Arg4&>(arg4_),
  361. static_cast<const Arg5&>(arg5_));
  362. }
  363. void operator()() const
  364. {
  365. handler_(arg1_, arg2_, arg3_, arg4_, arg5_);
  366. }
  367. //private:
  368. Handler handler_;
  369. Arg1 arg1_;
  370. Arg2 arg2_;
  371. Arg3 arg3_;
  372. Arg4 arg4_;
  373. Arg5 arg5_;
  374. };
  375. template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
  376. typename Arg4, typename Arg5>
  377. inline void* asio_handler_allocate(std::size_t size,
  378. binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
  379. {
  380. return boost_asio_handler_alloc_helpers::allocate(
  381. size, this_handler->handler_);
  382. }
  383. template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
  384. typename Arg4, typename Arg5>
  385. inline void asio_handler_deallocate(void* pointer, std::size_t size,
  386. binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
  387. {
  388. boost_asio_handler_alloc_helpers::deallocate(
  389. pointer, size, this_handler->handler_);
  390. }
  391. template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
  392. typename Arg4, typename Arg5>
  393. inline bool asio_handler_is_continuation(
  394. binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
  395. {
  396. return boost_asio_handler_cont_helpers::is_continuation(
  397. this_handler->handler_);
  398. }
  399. template <typename Function, typename Handler, typename Arg1, typename Arg2,
  400. typename Arg3, typename Arg4, typename Arg5>
  401. inline void asio_handler_invoke(Function& function,
  402. binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
  403. {
  404. boost_asio_handler_invoke_helpers::invoke(
  405. function, this_handler->handler_);
  406. }
  407. template <typename Function, typename Handler, typename Arg1, typename Arg2,
  408. typename Arg3, typename Arg4, typename Arg5>
  409. inline void asio_handler_invoke(const Function& function,
  410. binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
  411. {
  412. boost_asio_handler_invoke_helpers::invoke(
  413. function, this_handler->handler_);
  414. }
  415. template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
  416. typename Arg4, typename Arg5>
  417. inline binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5> bind_handler(
  418. Handler handler, const Arg1& arg1, const Arg2& arg2,
  419. const Arg3& arg3, const Arg4& arg4, const Arg5& arg5)
  420. {
  421. return binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>(handler, arg1, arg2,
  422. arg3, arg4, arg5);
  423. }
  424. } // namespace detail
  425. } // namespace asio
  426. } // namespace boost
  427. #include <boost/asio/detail/pop_options.hpp>
  428. #endif // BOOST_ASIO_DETAIL_BIND_HANDLER_HPP