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author Vas Crabb <vas@vastheman.com>2024-04-22 08:04:58 +1000
committer Vas Crabb <vas@vastheman.com>2024-04-22 08:04:58 +1000
commit184292b730f4236bd4840e780fdad97ee060ec84 (patch)
tree67902161a465fe92aec78ca502de07092b8cde0f /3rdparty/asio/src/examples/cpp11/http/server2/request_parser.hpp
parent24154bc1f00790f344120b3a85175d6f616c5ad0 (diff)
3rdparty/asio: Updated to 1.30.2
Diffstat (limited to '3rdparty/asio/src/examples/cpp11/http/server2/request_parser.hpp')
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server2/request_parser.hpp96
1 files changed, 96 insertions, 0 deletions
diff --git a/3rdparty/asio/src/examples/cpp11/http/server2/request_parser.hpp b/3rdparty/asio/src/examples/cpp11/http/server2/request_parser.hpp
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+++ b/3rdparty/asio/src/examples/cpp11/http/server2/request_parser.hpp
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+//
+// request_parser.hpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 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 HTTP_SERVER2_REQUEST_PARSER_HPP
+#define HTTP_SERVER2_REQUEST_PARSER_HPP
+
+#include <tuple>
+
+namespace http {
+namespace server2 {
+
+struct request;
+
+/// Parser for incoming requests.
+class request_parser
+{
+public:
+ /// Construct ready to parse the request method.
+ request_parser();
+
+ /// Reset to initial parser state.
+ void reset();
+
+ /// Result of parse.
+ enum result_type { good, bad, indeterminate };
+
+ /// Parse some data. The enum return value is good when a complete request has
+ /// been parsed, bad if the data is invalid, indeterminate when more data is
+ /// required. The InputIterator return value indicates how much of the input
+ /// has been consumed.
+ template <typename InputIterator>
+ std::tuple<result_type, InputIterator> parse(request& req,
+ InputIterator begin, InputIterator end)
+ {
+ while (begin != end)
+ {
+ result_type result = consume(req, *begin++);
+ if (result == good || result == bad)
+ return std::make_tuple(result, begin);
+ }
+ return std::make_tuple(indeterminate, begin);
+ }
+
+private:
+ /// Handle the next character of input.
+ result_type consume(request& req, char input);
+
+ /// Check if a byte is an HTTP character.
+ static bool is_char(int c);
+
+ /// Check if a byte is an HTTP control character.
+ static bool is_ctl(int c);
+
+ /// Check if a byte is defined as an HTTP tspecial character.
+ static bool is_tspecial(int c);
+
+ /// Check if a byte is a digit.
+ static bool is_digit(int c);
+
+ /// The current state of the parser.
+ 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 server2
+} // namespace http
+
+#endif // HTTP_SERVER2_REQUEST_PARSER_HPP