libs/url/src/scheme.cpp
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|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com) | ||
| 3 | // | ||
| 4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | ||
| 5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | ||
| 6 | // | ||
| 7 | // Official repository: https://github.com/boostorg/url | ||
| 8 | // | ||
| 9 | |||
| 10 | |||
| 11 | #include <boost/url/detail/config.hpp> | ||
| 12 | #include <boost/url/scheme.hpp> | ||
| 13 | #include <boost/url/grammar/ci_string.hpp> | ||
| 14 | |||
| 15 | namespace boost { | ||
| 16 | namespace urls { | ||
| 17 | |||
| 18 | scheme | ||
| 19 | 5295 | string_to_scheme( | |
| 20 | core::string_view s) noexcept | ||
| 21 | { | ||
| 22 | using grammar::to_lower; | ||
| 23 |
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5295 | switch(s.size()) |
| 24 | { | ||
| 25 | 2 | case 0: // none | |
| 26 | 2 | return scheme::none; | |
| 27 | |||
| 28 | 312 | case 2: // ws | |
| 29 |
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453 | if( to_lower(s[0]) == 'w' && |
| 30 | 141 | to_lower(s[1]) == 's') | |
| 31 | 139 | return scheme::ws; | |
| 32 | 173 | break; | |
| 33 | |||
| 34 | 180 | case 3: | |
| 35 |
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180 | switch(to_lower(s[0])) |
| 36 | { | ||
| 37 | 51 | case 'w': // wss | |
| 38 |
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96 | if( to_lower(s[1]) == 's' && |
| 39 | 45 | to_lower(s[2]) == 's') | |
| 40 | 43 | return scheme::wss; | |
| 41 | 8 | break; | |
| 42 | |||
| 43 | 78 | case 'f': // ftp | |
| 44 |
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115 | if( to_lower(s[1]) == 't' && |
| 45 | 37 | to_lower(s[2]) == 'p') | |
| 46 | 36 | return scheme::ftp; | |
| 47 | 42 | break; | |
| 48 | |||
| 49 | 51 | default: | |
| 50 | 51 | break; | |
| 51 | } | ||
| 52 | 101 | break; | |
| 53 | |||
| 54 | 2355 | case 4: | |
| 55 |
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2355 | switch(to_lower(s[0])) |
| 56 | { | ||
| 57 | 361 | case 'f': // file | |
| 58 |
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710 | if( to_lower(s[1]) == 'i' && |
| 59 |
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710 | to_lower(s[2]) == 'l' && |
| 60 | 348 | to_lower(s[3]) == 'e') | |
| 61 | 347 | return scheme::file; | |
| 62 | 14 | break; | |
| 63 | |||
| 64 | 1846 | case 'h': // http | |
| 65 |
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3690 | if( to_lower(s[1]) == 't' && |
| 66 |
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3690 | to_lower(s[2]) == 't' && |
| 67 | 1843 | to_lower(s[3]) == 'p') | |
| 68 | 1843 | return scheme::http; | |
| 69 | 3 | break; | |
| 70 | |||
| 71 | 148 | default: | |
| 72 | 148 | break; | |
| 73 | } | ||
| 74 | 165 | break; | |
| 75 | |||
| 76 | 1455 | case 5: // https | |
| 77 |
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2003 | if( to_lower(s[0]) == 'h' && |
| 78 |
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1095 | to_lower(s[1]) == 't' && |
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1093 | to_lower(s[2]) == 't' && |
| 80 |
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2549 | to_lower(s[3]) == 'p' && |
| 81 | 545 | to_lower(s[4]) == 's') | |
| 82 | 538 | return scheme::https; | |
| 83 | 917 | break; | |
| 84 | |||
| 85 | 991 | default: | |
| 86 | 991 | break; | |
| 87 | } | ||
| 88 | 2347 | return scheme::unknown; | |
| 89 | } | ||
| 90 | |||
| 91 | core::string_view | ||
| 92 | 53 | to_string(scheme s) noexcept | |
| 93 | { | ||
| 94 |
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53 | switch(s) |
| 95 | { | ||
| 96 | 4 | case scheme::ftp: return "ftp"; | |
| 97 | 3 | case scheme::file: return "file"; | |
| 98 | 3 | case scheme::http: return "http"; | |
| 99 | 5 | case scheme::https: return "https"; | |
| 100 | 11 | case scheme::ws: return "ws"; | |
| 101 | 5 | case scheme::wss: return "wss"; | |
| 102 | 1 | case scheme::none: return {}; | |
| 103 | 21 | default: | |
| 104 | 21 | break; | |
| 105 | } | ||
| 106 | 21 | return "<unknown>"; | |
| 107 | } | ||
| 108 | |||
| 109 | std::uint16_t | ||
| 110 | 8 | default_port(scheme s) noexcept | |
| 111 | { | ||
| 112 |
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8 | switch(s) |
| 113 | { | ||
| 114 | 1 | case scheme::ftp: | |
| 115 | 1 | return 21; | |
| 116 | 2 | case scheme::http: | |
| 117 | case scheme::ws: | ||
| 118 | 2 | return 80; | |
| 119 | 2 | case scheme::https: | |
| 120 | case scheme::wss: | ||
| 121 | 2 | return 443; | |
| 122 | 3 | default: | |
| 123 | 3 | break; | |
| 124 | } | ||
| 125 | 3 | return 0; | |
| 126 | } | ||
| 127 | |||
| 128 | } // urls | ||
| 129 | } // boost | ||
| 130 | |||
| 131 |