xref: /openbmc/bmcweb/http/verb.hpp (revision 08bbe119)
1 #pragma once
2 
3 #include <boost/beast/http/verb.hpp>
4 
5 #include <iostream>
6 #include <optional>
7 #include <string_view>
8 
9 enum class HttpVerb
10 {
11     Delete = 0,
12     Get,
13     Head,
14     Options,
15     Patch,
16     Post,
17     Put,
18     Max,
19 };
20 
21 static constexpr size_t maxVerbIndex = static_cast<size_t>(HttpVerb::Max) - 1U;
22 
23 // MaxVerb + 1 is designated as the "not found" verb.  It is done this way
24 // to keep the BaseRule as a single bitfield (thus keeping the struct small)
25 // while still having a way to declare a route a "not found" route.
26 static constexpr const size_t notFoundIndex = maxVerbIndex + 1;
27 static constexpr const size_t methodNotAllowedIndex = notFoundIndex + 1;
28 
29 inline std::optional<HttpVerb> httpVerbFromBoost(boost::beast::http::verb bv)
30 {
31     switch (bv)
32     {
33         case boost::beast::http::verb::delete_:
34             return HttpVerb::Delete;
35         case boost::beast::http::verb::get:
36             return HttpVerb::Get;
37         case boost::beast::http::verb::head:
38             return HttpVerb::Head;
39         case boost::beast::http::verb::options:
40             return HttpVerb::Options;
41         case boost::beast::http::verb::patch:
42             return HttpVerb::Patch;
43         case boost::beast::http::verb::post:
44             return HttpVerb::Post;
45         case boost::beast::http::verb::put:
46             return HttpVerb::Put;
47         default:
48             return std::nullopt;
49     }
50 }
51 
52 inline std::string_view httpVerbToString(HttpVerb verb)
53 {
54     switch (verb)
55     {
56         case HttpVerb::Delete:
57             return "DELETE";
58         case HttpVerb::Get:
59             return "GET";
60         case HttpVerb::Head:
61             return "HEAD";
62         case HttpVerb::Patch:
63             return "PATCH";
64         case HttpVerb::Post:
65             return "POST";
66         case HttpVerb::Put:
67             return "PUT";
68         case HttpVerb::Options:
69             return "OPTIONS";
70         case HttpVerb::Max:
71             return "";
72     }
73 
74     // Should never reach here
75     return "";
76 }
77