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72 lines
1.6 KiB
C++
72 lines
1.6 KiB
C++
#ifndef HTTP_REQUEST_PARSER_HPP
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#define HTTP_REQUEST_PARSER_HPP
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#include <boost/logic/tribool.hpp>
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#include <boost/tuple/tuple.hpp>
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struct HttpRequest;
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/// Parser for incoming requests.
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class HttpRequestParser
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{
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/// Handle the next character of input.
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boost::tribool consume(HttpRequest& req, char input);
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/// Check if a byte is an HTTP character.
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static bool is_char(int c);
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/// Check if a byte is an HTTP control character.
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static bool is_ctl(int c);
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/// Check if a byte is defined as an HTTP special character.
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static bool is_tspecial(int c);
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/// Check if a byte is a digit.
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static bool is_digit(int c);
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/// The current state of the parser.
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enum state
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{
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method_start,
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method,
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uri_start,
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uri,
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http_version_h,
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http_version_t_1,
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http_version_t_2,
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http_version_p,
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http_version_slash,
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http_version_major_start,
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http_version_major,
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http_version_minor_start,
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http_version_minor,
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expecting_newline_1,
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header_line_start,
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header_lws,
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header_name,
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space_before_header_value,
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header_value,
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expecting_newline_2,
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expecting_newline_3
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} state_;
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public:
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/// Construct ready to parse the request method.
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HttpRequestParser();
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/// Reset to initial parser state.
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void reset();
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/// Parse some data. The tribool return value is true when a complete request
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/// has been parsed, false if the data is invalid, indeterminate when more
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/// data is required. The InputIterator return value indicates how much of the
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/// input has been consumed.
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//template <typename InputIterator>
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boost::tribool parse(HttpRequest& req, char*, char*);
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};
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#endif // HTTP_REQUEST_PARSER_HPP
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