1   
//
1   
//
2   
// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
2   
// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
3   
// Copyright (c) 2023 Alan de Freitas (alandefreitas@gmail.com)
3   
// Copyright (c) 2023 Alan de Freitas (alandefreitas@gmail.com)
4   
//
4   
//
5   
// Distributed under the Boost Software License, Version 1.0. (See accompanying
5   
// Distributed under the Boost Software License, Version 1.0. (See accompanying
6   
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6   
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7   
//
7   
//
8   
// Official repository: https://github.com/boostorg/url
8   
// Official repository: https://github.com/boostorg/url
9   
//
9   
//
10  
10  
11   
#ifndef BOOST_URL_IMPL_SCHEME_HPP
11   
#ifndef BOOST_URL_IMPL_SCHEME_HPP
12   
#define BOOST_URL_IMPL_SCHEME_HPP
12   
#define BOOST_URL_IMPL_SCHEME_HPP
13  
13  
14   
#include <boost/url/detail/config.hpp>
14   
#include <boost/url/detail/config.hpp>
15  
15  
16   
#include <boost/url/grammar/ci_string.hpp>
16   
#include <boost/url/grammar/ci_string.hpp>
17  
17  
18   
namespace boost {
18   
namespace boost {
19   
namespace urls {
19   
namespace urls {
20  
20  
21   
BOOST_URL_CXX20_CONSTEXPR_OR_INLINE
21   
BOOST_URL_CXX20_CONSTEXPR_OR_INLINE
22   
scheme
22   
scheme
23   
string_to_scheme(
23   
string_to_scheme(
24   
    core::string_view s) noexcept
24   
    core::string_view s) noexcept
25   
{
25   
{
26   
    using grammar::to_lower;
26   
    using grammar::to_lower;
27   
    switch(s.size())
27   
    switch(s.size())
28   
    {
28   
    {
29   
    case 0: // none
29   
    case 0: // none
30   
        return scheme::none;
30   
        return scheme::none;
31  
31  
32   
    case 2: // ws
32   
    case 2: // ws
33   
        if( to_lower(s[0]) == 'w' &&
33   
        if( to_lower(s[0]) == 'w' &&
34   
            to_lower(s[1]) == 's')
34   
            to_lower(s[1]) == 's')
35   
            return scheme::ws;
35   
            return scheme::ws;
36   
        break;
36   
        break;
37  
37  
38   
    case 3:
38   
    case 3:
39   
        switch(to_lower(s[0]))
39   
        switch(to_lower(s[0]))
40   
        {
40   
        {
41   
        case 'w': // wss
41   
        case 'w': // wss
42   
            if( to_lower(s[1]) == 's' &&
42   
            if( to_lower(s[1]) == 's' &&
43   
                to_lower(s[2]) == 's')
43   
                to_lower(s[2]) == 's')
44   
                return scheme::wss;
44   
                return scheme::wss;
45   
            break;
45   
            break;
46  
46  
47   
        case 'f': // ftp
47   
        case 'f': // ftp
48   
            if( to_lower(s[1]) == 't' &&
48   
            if( to_lower(s[1]) == 't' &&
49   
                to_lower(s[2]) == 'p')
49   
                to_lower(s[2]) == 'p')
50   
                return scheme::ftp;
50   
                return scheme::ftp;
51   
            break;
51   
            break;
52  
52  
53   
        default:
53   
        default:
54   
            break;
54   
            break;
55   
        }
55   
        }
56   
        break;
56   
        break;
57  
57  
58   
    case 4:
58   
    case 4:
59   
        switch(to_lower(s[0]))
59   
        switch(to_lower(s[0]))
60   
        {
60   
        {
61   
        case 'f': // file
61   
        case 'f': // file
62   
            if( to_lower(s[1]) == 'i' &&
62   
            if( to_lower(s[1]) == 'i' &&
63   
                to_lower(s[2]) == 'l' &&
63   
                to_lower(s[2]) == 'l' &&
64   
                to_lower(s[3]) == 'e')
64   
                to_lower(s[3]) == 'e')
65   
                return scheme::file;
65   
                return scheme::file;
66   
            break;
66   
            break;
67  
67  
68   
        case 'h': // http
68   
        case 'h': // http
69   
            if( to_lower(s[1]) == 't' &&
69   
            if( to_lower(s[1]) == 't' &&
70   
                to_lower(s[2]) == 't' &&
70   
                to_lower(s[2]) == 't' &&
71   
                to_lower(s[3]) == 'p')
71   
                to_lower(s[3]) == 'p')
72   
                return scheme::http;
72   
                return scheme::http;
73   
            break;
73   
            break;
74  
74  
75   
        default:
75   
        default:
76   
            break;
76   
            break;
77   
        }
77   
        }
78   
        break;
78   
        break;
79  
79  
80   
    case 5: // https
80   
    case 5: // https
81   
        if( to_lower(s[0]) == 'h' &&
81   
        if( to_lower(s[0]) == 'h' &&
82   
            to_lower(s[1]) == 't' &&
82   
            to_lower(s[1]) == 't' &&
83   
            to_lower(s[2]) == 't' &&
83   
            to_lower(s[2]) == 't' &&
84   
            to_lower(s[3]) == 'p' &&
84   
            to_lower(s[3]) == 'p' &&
85   
            to_lower(s[4]) == 's')
85   
            to_lower(s[4]) == 's')
86   
            return scheme::https;
86   
            return scheme::https;
87   
        break;
87   
        break;
88  
88  
89   
    default:
89   
    default:
90   
        break;
90   
        break;
91   
    }
91   
    }
92   
    return scheme::unknown;
92   
    return scheme::unknown;
93   
}
93   
}
94  
94  
95   
inline
95   
inline
96   
core::string_view
96   
core::string_view
97   
to_string(scheme s) noexcept
97   
to_string(scheme s) noexcept
98   
{
98   
{
99   
    switch(s)
99   
    switch(s)
100   
    {
100   
    {
101   
    case scheme::ftp:   return "ftp";
101   
    case scheme::ftp:   return "ftp";
102   
    case scheme::file:  return "file";
102   
    case scheme::file:  return "file";
103   
    case scheme::http:  return "http";
103   
    case scheme::http:  return "http";
104   
    case scheme::https: return "https";
104   
    case scheme::https: return "https";
105   
    case scheme::ws:    return "ws";
105   
    case scheme::ws:    return "ws";
106   
    case scheme::wss:   return "wss";
106   
    case scheme::wss:   return "wss";
107   
    case scheme::none:  return {};
107   
    case scheme::none:  return {};
108   
    default:
108   
    default:
109   
        break;
109   
        break;
110   
    }
110   
    }
111   
    return "<unknown>";
111   
    return "<unknown>";
112   
}
112   
}
113  
113  
114   
inline
114   
inline
115   
std::uint16_t
115   
std::uint16_t
116   
default_port(scheme s) noexcept
116   
default_port(scheme s) noexcept
117   
{
117   
{
118   
    switch(s)
118   
    switch(s)
119   
    {
119   
    {
120   
    case scheme::ftp:
120   
    case scheme::ftp:
121   
        return 21;
121   
        return 21;
122   
    case scheme::http:
122   
    case scheme::http:
123   
    case scheme::ws:
123   
    case scheme::ws:
124   
        return 80;
124   
        return 80;
125   
    case scheme::https:
125   
    case scheme::https:
126   
    case scheme::wss:
126   
    case scheme::wss:
127   
        return 443;
127   
        return 443;
128   
    default:
128   
    default:
129   
        break;
129   
        break;
130   
    }
130   
    }
131   
    return 0;
131   
    return 0;
132   
}
132   
}
133  
133  
134   
} // urls
134   
} // urls
135   
} // boost
135   
} // boost
136  
136  
137   
#endif
137   
#endif