dbf9e800
 Hu Chunming
提交_GLIBCXX_USE_CX...
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//
// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Official repository: https://github.com/boostorg/url
//
#ifndef BOOST_URL_SCHEME_HPP
#define BOOST_URL_SCHEME_HPP
#include <boost/url/detail/config.hpp>
#include <boost/url/string_view.hpp>
#include <cinttypes>
namespace boost {
namespace urls {
/* VFALCO NOTE The formatting of javadocs
for enums is the way it is
to work around an output bug in Doxygen!
*/
/** Identifies a known URL scheme
@par Specification
@li <a href="https://datatracker.ietf.org/doc/html/rfc3986#section-3.1"
>3.1. Scheme (rfc3986)</a>
*/
// Made this short so it doesn't
// show up as an ascii character
enum class scheme : unsigned short
{
/** Indicates that no scheme is present
*/
none = 0,
/** Indicates the scheme is not a well-known scheme
*/
unknown,
/**
* File Transfer Protocol (FTP)
FTP is a standard communication protocol
used for the transfer of computer files
from a server to a client on a computer
network.
@par Specification
@li <a href="https://datatracker.ietf.org/doc/html/draft-yevstifeyev-ftp-uri-scheme">
The 'ftp' URI Scheme</a>
*/
ftp,
/**
* File URI Scheme
The File URI Scheme is typically used
to retrieve files from within one's
own computer.
@par Specification
@li <a href="https://datatracker.ietf.org/doc/html/rfc8089">
The "file" URI Scheme (rfc8089)</a>
*/
file,
/**
* The Hypertext Transfer Protocol URI Scheme
URLs of this type indicate a resource which
is interacted with using the HTTP protocol.
@par Specification
@li <a href="https://datatracker.ietf.org/doc/html/rfc7230">
Hypertext Transfer Protocol (HTTP/1.1) (rfc7230)</a>
*/
http,
/**
* The Secure Hypertext Transfer Protocol URI Scheme
URLs of this type indicate a resource which
is interacted with using the Secure HTTP
protocol.
@par Specification
@li <a href="https://datatracker.ietf.org/doc/html/rfc7230">
Hypertext Transfer Protocol (HTTP/1.1) (rfc7230)</a>
*/
https,
/**
* The WebSocket URI Scheme
URLs of this type indicate a resource which
is interacted with using the WebSocket protocol.
@par Specification
@li <a href="https://datatracker.ietf.org/doc/html/rfc6455">
The WebSocket Protocol (rfc6455)</a>
*/
ws,
/**
* The Secure WebSocket URI Scheme
URLs of this type indicate a resource which
is interacted with using the Secure WebSocket
protocol.
@par Specification
@li <a href="https://datatracker.ietf.org/doc/html/rfc6455">
The WebSocket Protocol (rfc6455)</a>
*/
wss
};
/** Return the known scheme for a non-normalized string, if known
If the string does not identify a known
scheme, the value @ref scheme::unknown is
returned.
@par BNF
@code
scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )
@endcode
@return The known scheme
@param s The string holding the scheme
@par Specification
@li <a href="https://datatracker.ietf.org/doc/html/rfc3986#section-3.1"
>3.1. Scheme (rfc3986)</a>
*/
BOOST_URL_DECL
scheme
string_to_scheme(string_view s) noexcept;
/** Return the normalized string for a known scheme
@return A string representing the known scheme
@param s The known scheme constant
*/
BOOST_URL_DECL
string_view
to_string(scheme s) noexcept;
/** Return the default port for a known scheme
This function returns the default port
for the known schemes. If the value does
not represent a known scheme or the scheme
does not represent a protocol, the function
returns zero.
The following ports are returned by the
function:
@li @ref scheme::ftp = 21
@li @ref scheme::http, @ref scheme::ws = 80
@li @ref scheme::https, @ref scheme::wss = 443
@return An integer with the default port number
@param s The known scheme constant
*/
BOOST_URL_DECL
std::uint16_t
default_port(scheme s) noexcept;
} // urls
} // boost
#endif
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