wellrested/srcPsr/UriInterface.php

297 lines
11 KiB
PHP

<?php
namespace Psr\Http\Message;
/**
* Value object representing a URI for use in HTTP requests.
*
* This interface is meant to represent only URIs for use with HTTP requests,
* and is not intended as a general-purpose URI implementation.
*
* Instances of this interface are considered immutable; all methods that
* might change state MUST be implemented such that they retain the internal
* state of the current instance and return an instance that contains the
* changed state.
*
* Typically the Host header will be also be present in the request message.
* For server-side requests, the scheme will typically be discoverable in the
* server parameters.
*
* @link http://tools.ietf.org/html/rfc3986 (the URI specification)
*/
interface UriInterface
{
/**
* Retrieve the URI scheme.
*
* Implementations SHOULD restrict values to "http", "https", or an empty
* string but MAY accommodate other schemes if required.
*
* If no scheme is present, this method MUST return an empty string.
*
* The string returned MUST omit the trailing "://" delimiter if present.
*
* @return string The scheme of the URI.
*/
public function getScheme();
/**
* Retrieve the authority portion of the URI.
*
* The authority portion of the URI is:
*
* <pre>
* [user-info@]host[:port]
* </pre>
*
* If the port component is not set or is the standard port for the current
* scheme, it SHOULD NOT be included.
*
* This method MUST return an empty string if no authority information is
* present.
*
* @return string Authority portion of the URI, in "[user-info@]host[:port]"
* format.
*/
public function getAuthority();
/**
* Retrieve the user information portion of the URI, if present.
*
* If a user is present in the URI, this will return that value;
* additionally, if the password is also present, it will be appended to the
* user value, with a colon (":") separating the values.
*
* Implementations MUST NOT return the "@" suffix when returning this value.
*
* @return string User information portion of the URI, if present, in
* "username[:password]" format.
*/
public function getUserInfo();
/**
* Retrieve the host component of the URI.
*
* This method MUST return a string; if no host component is present, an
* empty string MUST be returned.
*
* @return string Host component of the URI.
*/
public function getHost();
/**
* Retrieve the port component of the URI.
*
* If a port is present, and it is non-standard for the current scheme,
* this method MUST return it as an integer. If the port is the standard port
* used with the current scheme, this method SHOULD return null.
*
* If no port is present, and no scheme is present, this method MUST return
* a null value.
*
* If no port is present, but a scheme is present, this method MAY return
* the standard port for that scheme, but SHOULD return null.
*
* @return null|int The port for the URI.
*/
public function getPort();
/**
* Retrieve the path component of the URI.
*
* This method MUST return a string.
*
* Normally, the empty path "" and absolute path "/" are considered equal as
* defined in RFC 7230 Section 2.7.3. But this method MUST NOT automatically
* do this normalization because in contexts with a trimmed base path, e.g.
* the front controller, this difference becomes significant. It's the task
* of the user to handle both "" and "/".
*
* The value returned MUST be percent-encoded, but MUST NOT double-encode
* any characters. To determine what characters to encode, please refer to
* RFC 3986, Sections 2 and 3.3.
*
* As an example, if the value should include a slash ("/") not intended as
* delimiter between path segments, that value MUST be encoded (e.g., "%2F")
* when passed to the instance.
*
* @see https://tools.ietf.org/html/rfc3986#section-2
* @see https://tools.ietf.org/html/rfc3986#section-3.3
* @return string The path component of the URI.
*/
public function getPath();
/**
* Retrieve the query string of the URI.
*
* This method MUST return a string; if no query string is present, it MUST
* return an empty string.
*
* The string returned MUST omit the leading "?" character.
*
* The value returned MUST be percent-encoded, but MUST NOT double-encode
* any characters. To determine what characters to encode, please refer to
* RFC 3986, Sections 2 and 3.4.
*
* As an example, if a value in a key/value pair of the query string should
* include an ampersand ("&") not intended as a delimiter between values,
* that value MUST be encoded (e.g., "%26") when passed to the instance.
*
* @see https://tools.ietf.org/html/rfc3986#section-2
* @see https://tools.ietf.org/html/rfc3986#section-3.4
* @return string The URI query string.
*/
public function getQuery();
/**
* Retrieve the fragment component of the URI.
*
* This method MUST return a string; if no fragment is present, it MUST
* return an empty string.
*
* The string returned MUST omit the leading "#" character.
*
* The value returned MUST be percent-encoded, but MUST NOT double-encode
* any characters. To determine what characters to encode, please refer to
* RFC 3986, Sections 2 and 3.5.
*
* @see https://tools.ietf.org/html/rfc3986#section-2
* @see https://tools.ietf.org/html/rfc3986#section-3.5
* @return string The URI fragment.
*/
public function getFragment();
/**
* Return an instance with the specified scheme.
*
* This method MUST retain the state of the current instance, and return
* an instance that contains the specified scheme. If the scheme
* provided includes the "://" delimiter, it MUST be removed.
*
* Implementations SHOULD restrict values to "http", "https", or an empty
* string but MAY accommodate other schemes if required.
*
* An empty scheme is equivalent to removing the scheme.
*
* @param string $scheme The scheme to use with the new instance.
* @return self A new instance with the specified scheme.
* @throws \InvalidArgumentException for invalid or unsupported schemes.
*/
public function withScheme($scheme);
/**
* Return an instance with the specified user information.
*
* This method MUST retain the state of the current instance, and return
* an instance that contains the specified user information.
*
* Password is optional, but the user information MUST include the
* user; an empty string for the user is equivalent to removing user
* information.
*
* @param string $user User name to use for authority.
* @param null|string $password Password associated with $user.
* @return self A new instance with the specified user information.
*/
public function withUserInfo($user, $password = null);
/**
* Return an instance with the specified host.
*
* This method MUST retain the state of the current instance, and return
* an instance that contains the specified host.
*
* An empty host value is equivalent to removing the host.
*
* @param string $host Hostname to use with the new instance.
* @return self A new instance with the specified host.
* @throws \InvalidArgumentException for invalid hostnames.
*/
public function withHost($host);
/**
* Return an instance with the specified port.
*
* This method MUST retain the state of the current instance, and return
* an instance that contains the specified port.
*
* Implementations MUST raise an exception for ports outside the
* established TCP and UDP port ranges.
*
* A null value provided for the port is equivalent to removing the port
* information.
*
* @param null|int $port Port to use with the new instance; a null value
* removes the port information.
* @return self A new instance with the specified port.
* @throws \InvalidArgumentException for invalid ports.
*/
public function withPort($port);
/**
* Return an instance with the specified path.
*
* This method MUST retain the state of the current instance, and return
* an instance that contains the specified path.
*
* The path MUST be prefixed with "/"; if not, the implementation MAY
* provide the prefix itself.
*
* An empty path value is equivalent to removing the path.
*
* @param string $path The path to use with the new instance.
* @return self A new instance with the specified path.
* @throws \InvalidArgumentException for invalid paths.
*/
public function withPath($path);
/**
* Return an instance with the specified query string.
*
* This method MUST retain the state of the current instance, and return
* an instance that contains the specified query string.
*
* If the query string is prefixed by "?", that character MUST be removed.
* Additionally, the query string SHOULD be parseable by parse_str() in
* order to be valid.
*
* An empty query string value is equivalent to removing the query string.
*
* @param string $query The query string to use with the new instance.
* @return self A new instance with the specified query string.
* @throws \InvalidArgumentException for invalid query strings.
*/
public function withQuery($query);
/**
* Return an instance with the specified URI fragment.
*
* This method MUST retain the state of the current instance, and return
* an instance that contains the specified URI fragment.
*
* If the fragment is prefixed by "#", that character MUST be removed.
*
* An empty fragment value is equivalent to removing the fragment.
*
* @param string $fragment The URI fragment to use with the new instance.
* @return self A new instance with the specified URI fragment.
*/
public function withFragment($fragment);
/**
* Return the string representation of the URI.
*
* Concatenates the various components of the URI, using the appropriate
* delimiters:
*
* - If a scheme is present, "://" MUST append the value.
* - If the authority information is present, that value will be
* concatenated.
* - If a path is present, it MUST start with a "/" character.
* - If a query string is present, it MUST be prefixed by a "?" character.
* - If a URI fragment is present, it MUST be prefixed by a "#" character.
*
* @return string
*/
public function __toString();
}