| src/examples/cpp03/http/server/request_parser.hpp | src/examples/cpp11/http/server/request_parser.hpp |
|---|
| ⋮ | ⋮ |
| 1 | // | 1 | // |
| 2 | //·request_parser.hpp | 2 | //·request_parser.hpp |
| 3 | //·~~~~~~~~~~~~~~~~~~ | 3 | //·~~~~~~~~~~~~~~~~~~ |
| 4 | // | 4 | // |
| 5 | //·Copyright·(c)·2003-2021·Christopher·M.·Kohlhoff·(chris·at·kohlhoff·dot·com) | 5 | //·Copyright·(c)·2003-2021·Christopher·M.·Kohlhoff·(chris·at·kohlhoff·dot·com) |
| 6 | // | 6 | // |
| 7 | //·Distributed·under·the·Boost·Software·License,·Version·1.0.·(See·accompanying | 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) | 8 | //·file·LICENSE_1_0.txt·or·copy·at·http://www.boost.org/LICENSE_1_0.txt) |
| 9 | // | 9 | // |
| 10 | | 10 | |
| 11 | #ifndef·HTTP_REQUEST_PARSER_HPP | 11 | #ifndef·HTTP_REQUEST_PARSER_HPP |
| 12 | #define·HTTP_REQUEST_PARSER_HPP | 12 | #define·HTTP_REQUEST_PARSER_HPP |
| 13 | | 13 | |
| 14 | #include·<boost/logic/tribool.hpp> | 14 | #include·<tuple> |
| 15 | #include·<boost/tuple/tuple.hpp> | |
| 16 | | 15 | |
| 17 | namespace·http·{ | 16 | namespace·http·{ |
| 18 | namespace·server·{ | 17 | namespace·server·{ |
| 19 | | 18 | |
| 20 | struct·request; | 19 | struct·request; |
| 21 | | 20 | |
| 22 | ///·Parser·for·incoming·requests. | 21 | ///·Parser·for·incoming·requests. |
| 23 | class·request_parser | 22 | class·request_parser |
| 24 | { | 23 | { |
| 25 | public: | 24 | public: |
| 26 | ··///·Construct·ready·to·parse·the·request·method. | 25 | ··///·Construct·ready·to·parse·the·request·method. |
| 27 | ··request_parser(); | 26 | ··request_parser(); |
| 28 | | 27 | |
| 29 | ··///·Reset·to·initial·parser·state. | 28 | ··///·Reset·to·initial·parser·state. |
| 30 | ··void·reset(); | 29 | ··void·reset(); |
| 31 | | 30 | |
| 32 | ··///·Parse·some·data.·The·tribool·return·value·is·true·when·a·complete·request | 31 | ··///·Result·of·parse. |
| 33 | ··///·has·been·parsed,·false·if·the·data·is·invalid,·indeterminate·when·more | 32 | ··enum·result_type·{·good,·bad,·indeterminate·}; |
| 34 | ··///·data·is·required.·The·InputIterator·return·value·indicates·how·much·of·the | 33 | |
| 35 | ··///·input·has·been·consumed. | 34 | ··///·Parse·some·data.·The·enum·return·value·is·good·when·a·complete·request·has |
| | 35 | ··///·been·parsed,·bad·if·the·data·is·invalid,·indeterminate·when·more·data·is |
| | 36 | ··///·required.·The·InputIterator·return·value·indicates·how·much·of·the·input |
| | 37 | ··///·has·been·consumed. |
| 36 | ··template·<typename·InputIterator> | 38 | ··template·<typename·InputIterator> |
| 37 | ··boost::tuple<boost::tribool,·InputIterator>·parse(request&·req, | 39 | ··std::tuple<result_type,·InputIterator>·parse(request&·req, |
| 38 | ······InputIterator·begin,·InputIterator·end) | 40 | ······InputIterator·begin,·InputIterator·end) |
| 39 | ··{ | 41 | ··{ |
| 40 | ····while·(begin·!=·end) | 42 | ····while·(begin·!=·end) |
| 41 | ····{ | 43 | ····{ |
| 42 | ······boost::tribool·result·=·consume(req,·*begin++); | 44 | ······result_type·result·=·consume(req,·*begin++); |
| 43 | ······if·(result·||·!result) | 45 | ······if·(result·==·good·||·result·==·bad) |
| 44 | ········return·boost::make_tuple(result,·begin); | 46 | ········return·std::make_tuple(result,·begin); |
| 45 | ····} | 47 | ····} |
| 46 | ····boost::tribool·result·=·boost::indeterminate; | 48 | ····return·std::make_tuple(indeterminate,·begin); |
| 47 | ····return·boost::make_tuple(result,·begin); | |
| 48 | ··} | 49 | ··} |
| 49 | | 50 | |
| 50 | private: | 51 | private: |
| 51 | ··///·Handle·the·next·character·of·input. | 52 | ··///·Handle·the·next·character·of·input. |
| 52 | ··boost::tribool·consume(request&·req,·char·input); | 53 | ··result_type·consume(request&·req,·char·input); |
| 53 | | 54 | |
| 54 | ··///·Check·if·a·byte·is·an·HTTP·character. | 55 | ··///·Check·if·a·byte·is·an·HTTP·character. |
| 55 | ··static·bool·is_char(int·c); | 56 | ··static·bool·is_char(int·c); |
| 56 | | 57 | |
| 57 | ··///·Check·if·a·byte·is·an·HTTP·control·character. | 58 | ··///·Check·if·a·byte·is·an·HTTP·control·character. |
| 58 | ··static·bool·is_ctl(int·c); | 59 | ··static·bool·is_ctl(int·c); |
| 59 | | 60 | |
| 60 | ··///·Check·if·a·byte·is·defined·as·an·HTTP·tspecial·character. | 61 | ··///·Check·if·a·byte·is·defined·as·an·HTTP·tspecial·character. |
| 61 | ··static·bool·is_tspecial(int·c); | 62 | ··static·bool·is_tspecial(int·c); |
| 62 | | 63 | |
| 63 | ··///·Check·if·a·byte·is·a·digit. | 64 | ··///·Check·if·a·byte·is·a·digit. |
| 64 | ··static·bool·is_digit(int·c); | 65 | ··static·bool·is_digit(int·c); |
| 65 | | 66 | |
| 66 | ··///·The·current·state·of·the·parser. | 67 | ··///·The·current·state·of·the·parser. |
| 67 | ··enum·state | 68 | ··enum·state |
| 68 | ··{ | 69 | ··{ |
| 69 | ····method_start, | 70 | ····method_start, |
| 70 | ····method, | 71 | ····method, |
| 71 | ····uri, | 72 | ····uri, |
| 72 | ····http_version_h, | 73 | ····http_version_h, |
| 73 | ····http_version_t_1, | 74 | ····http_version_t_1, |
| 74 | ····http_version_t_2, | 75 | ····http_version_t_2, |
| 75 | ····http_version_p, | 76 | ····http_version_p, |
| 76 | ····http_version_slash, | 77 | ····http_version_slash, |
| 77 | ····http_version_major_start, | 78 | ····http_version_major_start, |
| 78 | ····http_version_major, | 79 | ····http_version_major, |
| 79 | ····http_version_minor_start, | 80 | ····http_version_minor_start, |
| 80 | ····http_version_minor, | 81 | ····http_version_minor, |
| 81 | ····expecting_newline_1, | 82 | ····expecting_newline_1, |
| 82 | ····header_line_start, | 83 | ····header_line_start, |
| 83 | ····header_lws, | 84 | ····header_lws, |
| 84 | ····header_name, | 85 | ····header_name, |
| 85 | ····space_before_header_value, | 86 | ····space_before_header_value, |
| 86 | ····header_value, | 87 | ····header_value, |
| 87 | ····expecting_newline_2, | 88 | ····expecting_newline_2, |
| 88 | ····expecting_newline_3 | 89 | ····expecting_newline_3 |
| 89 | ··}·state_; | 90 | ··}·state_; |
| 90 | }; | 91 | }; |
| 91 | | 92 | |
| 92 | }·//·namespace·server | 93 | }·//·namespace·server |
| 93 | }·//·namespace·http | 94 | }·//·namespace·http |
| 94 | | 95 | |
| 95 | #endif·//·HTTP_REQUEST_PARSER_HPP | 96 | #endif·//·HTTP_REQUEST_PARSER_HPP |