.. _program_listing_file__tmp_ws_src_async_web_server_cpp_include_async_web_server_cpp_http_request_parser.hpp:

Program Listing for File http_request_parser.hpp
================================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_async_web_server_cpp_include_async_web_server_cpp_http_request_parser.hpp>` (``/tmp/ws/src/async_web_server_cpp/include/async_web_server_cpp/http_request_parser.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   //
   // http_request_parser.hpp
   // ~~~~~~~~~~~~~~~~~~
   //
   // Copyright (c) 2003-2011 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   //
   // Distributed under the Boost Software License, Version 1.0. (See accompanying
   // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   //
   
   #ifndef CPP_WEB_SERVER_HTTP_REQUEST_PARSER_HPP
   #define CPP_WEB_SERVER_HTTP_REQUEST_PARSER_HPP
   
   #include "async_web_server_cpp/http_request.hpp"
   
   #include <boost/logic/tribool.hpp>
   #include <boost/tuple/tuple.hpp>
   
   namespace async_web_server_cpp
   {
   
   class HttpRequestParser
   {
   public:
       HttpRequestParser();
   
       void reset();
   
       template<typename InputIterator>
       boost::tuple<boost::tribool, InputIterator>
       parse(HttpRequest& req, InputIterator begin, InputIterator end)
       {
           while (begin != end)
           {
               boost::tribool result = consume(req, *begin++);
               if (result || !result)
                   return boost::make_tuple(result, begin);
           }
           boost::tribool result = boost::indeterminate;
           return boost::make_tuple(result, begin);
       }
   
   private:
       boost::tribool consume(HttpRequest& req, char input);
   
       static bool is_char(int c);
   
       static bool is_ctl(int c);
   
       static bool is_tspecial(int c);
   
       static bool is_digit(int c);
   
       enum state
       {
           method_start,
           method,
           uri,
           http_version_h,
           http_version_t_1,
           http_version_t_2,
           http_version_p,
           http_version_slash,
           http_version_major_start,
           http_version_major,
           http_version_minor_start,
           http_version_minor,
           expecting_newline_1,
           header_line_start,
           header_lws,
           header_name,
           space_before_header_value,
           header_value,
           expecting_newline_2,
           expecting_newline_3
       } state_;
   };
   
   }  // namespace async_web_server_cpp
   
   #endif