bind_handler.hpp 9.2 KB

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  1. //
  2. // detail/bind_handler.hpp
  3. // ~~~~~~~~~~~~~~~~~~~~~~~
  4. //
  5. // Copyright (c) 2003-2011 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 ASIO_DETAIL_BIND_HANDLER_HPP
  11. #define 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 "asio/detail/config.hpp"
  16. #include "asio/detail/handler_alloc_helpers.hpp"
  17. #include "asio/detail/handler_invoke_helpers.hpp"
  18. #include "asio/detail/push_options.hpp"
  19. namespace asio {
  20. namespace detail {
  21. template <typename Handler, typename Arg1>
  22. class binder1
  23. {
  24. public:
  25. binder1(const Handler& handler, const Arg1& arg1)
  26. : handler_(handler),
  27. arg1_(arg1)
  28. {
  29. }
  30. void operator()()
  31. {
  32. handler_(static_cast<const Arg1&>(arg1_));
  33. }
  34. void operator()() const
  35. {
  36. handler_(arg1_);
  37. }
  38. //private:
  39. Handler handler_;
  40. Arg1 arg1_;
  41. };
  42. template <typename Handler, typename Arg1>
  43. inline void* asio_handler_allocate(std::size_t size,
  44. binder1<Handler, Arg1>* this_handler)
  45. {
  46. return asio_handler_alloc_helpers::allocate(
  47. size, this_handler->handler_);
  48. }
  49. template <typename Handler, typename Arg1>
  50. inline void asio_handler_deallocate(void* pointer, std::size_t size,
  51. binder1<Handler, Arg1>* this_handler)
  52. {
  53. asio_handler_alloc_helpers::deallocate(
  54. pointer, size, this_handler->handler_);
  55. }
  56. template <typename Function, typename Handler, typename Arg1>
  57. inline void asio_handler_invoke(const Function& function,
  58. binder1<Handler, Arg1>* this_handler)
  59. {
  60. asio_handler_invoke_helpers::invoke(
  61. function, this_handler->handler_);
  62. }
  63. template <typename Handler, typename Arg1>
  64. inline binder1<Handler, Arg1> bind_handler(const Handler& handler,
  65. const Arg1& arg1)
  66. {
  67. return binder1<Handler, Arg1>(handler, arg1);
  68. }
  69. template <typename Handler, typename Arg1, typename Arg2>
  70. class binder2
  71. {
  72. public:
  73. binder2(const Handler& handler, const Arg1& arg1, const Arg2& arg2)
  74. : handler_(handler),
  75. arg1_(arg1),
  76. arg2_(arg2)
  77. {
  78. }
  79. void operator()()
  80. {
  81. handler_(static_cast<const Arg1&>(arg1_),
  82. static_cast<const Arg2&>(arg2_));
  83. }
  84. void operator()() const
  85. {
  86. handler_(arg1_, arg2_);
  87. }
  88. //private:
  89. Handler handler_;
  90. Arg1 arg1_;
  91. Arg2 arg2_;
  92. };
  93. template <typename Handler, typename Arg1, typename Arg2>
  94. inline void* asio_handler_allocate(std::size_t size,
  95. binder2<Handler, Arg1, Arg2>* this_handler)
  96. {
  97. return asio_handler_alloc_helpers::allocate(
  98. size, this_handler->handler_);
  99. }
  100. template <typename Handler, typename Arg1, typename Arg2>
  101. inline void asio_handler_deallocate(void* pointer, std::size_t size,
  102. binder2<Handler, Arg1, Arg2>* this_handler)
  103. {
  104. asio_handler_alloc_helpers::deallocate(
  105. pointer, size, this_handler->handler_);
  106. }
  107. template <typename Function, typename Handler, typename Arg1, typename Arg2>
  108. inline void asio_handler_invoke(const Function& function,
  109. binder2<Handler, Arg1, Arg2>* this_handler)
  110. {
  111. asio_handler_invoke_helpers::invoke(
  112. function, this_handler->handler_);
  113. }
  114. template <typename Handler, typename Arg1, typename Arg2>
  115. inline binder2<Handler, Arg1, Arg2> bind_handler(const Handler& handler,
  116. const Arg1& arg1, const Arg2& arg2)
  117. {
  118. return binder2<Handler, Arg1, Arg2>(handler, arg1, arg2);
  119. }
  120. template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
  121. class binder3
  122. {
  123. public:
  124. binder3(const Handler& handler, const Arg1& arg1, const Arg2& arg2,
  125. const Arg3& arg3)
  126. : handler_(handler),
  127. arg1_(arg1),
  128. arg2_(arg2),
  129. arg3_(arg3)
  130. {
  131. }
  132. void operator()()
  133. {
  134. handler_(static_cast<const Arg1&>(arg1_),
  135. static_cast<const Arg2&>(arg2_),
  136. static_cast<const Arg3&>(arg3_));
  137. }
  138. void operator()() const
  139. {
  140. handler_(arg1_, arg2_, arg3_);
  141. }
  142. //private:
  143. Handler handler_;
  144. Arg1 arg1_;
  145. Arg2 arg2_;
  146. Arg3 arg3_;
  147. };
  148. template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
  149. inline void* asio_handler_allocate(std::size_t size,
  150. binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
  151. {
  152. return asio_handler_alloc_helpers::allocate(
  153. size, this_handler->handler_);
  154. }
  155. template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
  156. inline void asio_handler_deallocate(void* pointer, std::size_t size,
  157. binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
  158. {
  159. asio_handler_alloc_helpers::deallocate(
  160. pointer, size, this_handler->handler_);
  161. }
  162. template <typename Function, typename Handler, typename Arg1, typename Arg2,
  163. typename Arg3>
  164. inline void asio_handler_invoke(const Function& function,
  165. binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
  166. {
  167. asio_handler_invoke_helpers::invoke(
  168. function, this_handler->handler_);
  169. }
  170. template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
  171. inline binder3<Handler, Arg1, Arg2, Arg3> bind_handler(const Handler& handler,
  172. const Arg1& arg1, const Arg2& arg2, const Arg3& arg3)
  173. {
  174. return binder3<Handler, Arg1, Arg2, Arg3>(handler, arg1, arg2, arg3);
  175. }
  176. template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
  177. typename Arg4>
  178. class binder4
  179. {
  180. public:
  181. binder4(const Handler& handler, const Arg1& arg1, const Arg2& arg2,
  182. const Arg3& arg3, const Arg4& arg4)
  183. : handler_(handler),
  184. arg1_(arg1),
  185. arg2_(arg2),
  186. arg3_(arg3),
  187. arg4_(arg4)
  188. {
  189. }
  190. void operator()()
  191. {
  192. handler_(static_cast<const Arg1&>(arg1_),
  193. static_cast<const Arg2&>(arg2_),
  194. static_cast<const Arg3&>(arg3_),
  195. static_cast<const Arg4&>(arg4_));
  196. }
  197. void operator()() const
  198. {
  199. handler_(arg1_, arg2_, arg3_, arg4_);
  200. }
  201. //private:
  202. Handler handler_;
  203. Arg1 arg1_;
  204. Arg2 arg2_;
  205. Arg3 arg3_;
  206. Arg4 arg4_;
  207. };
  208. template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
  209. typename Arg4>
  210. inline void* asio_handler_allocate(std::size_t size,
  211. binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
  212. {
  213. return asio_handler_alloc_helpers::allocate(
  214. size, this_handler->handler_);
  215. }
  216. template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
  217. typename Arg4>
  218. inline void asio_handler_deallocate(void* pointer, std::size_t size,
  219. binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
  220. {
  221. asio_handler_alloc_helpers::deallocate(
  222. pointer, size, this_handler->handler_);
  223. }
  224. template <typename Function, typename Handler, typename Arg1, typename Arg2,
  225. typename Arg3, typename Arg4>
  226. inline void asio_handler_invoke(const Function& function,
  227. binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
  228. {
  229. asio_handler_invoke_helpers::invoke(
  230. function, this_handler->handler_);
  231. }
  232. template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
  233. typename Arg4>
  234. inline binder4<Handler, Arg1, Arg2, Arg3, Arg4> bind_handler(
  235. const Handler& handler, const Arg1& arg1, const Arg2& arg2,
  236. const Arg3& arg3, const Arg4& arg4)
  237. {
  238. return binder4<Handler, Arg1, Arg2, Arg3, Arg4>(handler, arg1, arg2, arg3,
  239. arg4);
  240. }
  241. template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
  242. typename Arg4, typename Arg5>
  243. class binder5
  244. {
  245. public:
  246. binder5(const Handler& handler, const Arg1& arg1, const Arg2& arg2,
  247. const Arg3& arg3, const Arg4& arg4, const Arg5& arg5)
  248. : handler_(handler),
  249. arg1_(arg1),
  250. arg2_(arg2),
  251. arg3_(arg3),
  252. arg4_(arg4),
  253. arg5_(arg5)
  254. {
  255. }
  256. void operator()()
  257. {
  258. handler_(static_cast<const Arg1&>(arg1_),
  259. static_cast<const Arg2&>(arg2_),
  260. static_cast<const Arg3&>(arg3_),
  261. static_cast<const Arg4&>(arg4_),
  262. static_cast<const Arg5&>(arg5_));
  263. }
  264. void operator()() const
  265. {
  266. handler_(arg1_, arg2_, arg3_, arg4_, arg5_);
  267. }
  268. //private:
  269. Handler handler_;
  270. Arg1 arg1_;
  271. Arg2 arg2_;
  272. Arg3 arg3_;
  273. Arg4 arg4_;
  274. Arg5 arg5_;
  275. };
  276. template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
  277. typename Arg4, typename Arg5>
  278. inline void* asio_handler_allocate(std::size_t size,
  279. binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
  280. {
  281. return asio_handler_alloc_helpers::allocate(
  282. size, this_handler->handler_);
  283. }
  284. template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
  285. typename Arg4, typename Arg5>
  286. inline void asio_handler_deallocate(void* pointer, std::size_t size,
  287. binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
  288. {
  289. asio_handler_alloc_helpers::deallocate(
  290. pointer, size, this_handler->handler_);
  291. }
  292. template <typename Function, typename Handler, typename Arg1, typename Arg2,
  293. typename Arg3, typename Arg4, typename Arg5>
  294. inline void asio_handler_invoke(const Function& function,
  295. binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
  296. {
  297. asio_handler_invoke_helpers::invoke(
  298. function, this_handler->handler_);
  299. }
  300. template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
  301. typename Arg4, typename Arg5>
  302. inline binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5> bind_handler(
  303. const Handler& handler, const Arg1& arg1, const Arg2& arg2,
  304. const Arg3& arg3, const Arg4& arg4, const Arg5& arg5)
  305. {
  306. return binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>(handler, arg1, arg2,
  307. arg3, arg4, arg5);
  308. }
  309. } // namespace detail
  310. } // namespace asio
  311. #include "asio/detail/pop_options.hpp"
  312. #endif // ASIO_DETAIL_BIND_HANDLER_HPP