gnu-social/plugins/Irc/extlib/phergie/Phergie/Hostmask.php

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2010-06-16 09:55:39 +09:00
<?php
/**
* Phergie
*
* PHP version 5
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.
* It is also available through the world-wide-web at this URL:
* http://phergie.org/license
*
* @category Phergie
* @package Phergie
* @author Phergie Development Team <team@phergie.org>
* @copyright 2008-2010 Phergie Development Team (http://phergie.org)
* @license http://phergie.org/license New BSD License
* @link http://pear.phergie.org/package/Phergie
*/
/**
* Data structure for a hostmask.
*
* @category Phergie
* @package Phergie
* @author Phergie Development Team <team@phergie.org>
* @license http://phergie.org/license New BSD License
* @link http://pear.phergie.org/package/Phergie
*/
class Phergie_Hostmask
{
/**
* Host
*
* @var string
*/
protected $host;
/**
* Nick
*
* @var string
*/
protected $nick;
/**
* Username
*
* @var string
*/
protected $username;
/**
* Regular expression used to parse a hostmask
*
* @var string
*/
protected static $regex = '/^([^!@]+)!(?:[ni]=)?([^@]+)@([^ ]+)/';
/**
* Constructor to initialize components of the hostmask.
*
* @param string $nick Nick component
* @param string $username Username component
* @param string $host Host component
*
* @return void
*/
public function __construct($nick, $username, $host)
{
$this->nick = $nick;
$this->username = $username;
$this->host = $host;
}
/**
* Returns whether a given string appears to be a valid hostmask.
*
* @param string $string Alleged hostmask string
*
* @return bool TRUE if the string appears to be a valid hostmask, FALSE
* otherwise
*/
public static function isValid($string)
{
return (preg_match(self::$regex, $string) > 0);
}
/**
* Parses a string containing the entire hostmask into a new instance of
* this class.
*
* @param string $hostmask Entire hostmask including the nick, username,
* and host components
*
* @return Phergie_Hostmask New instance populated with data parsed from
* the provided hostmask string
* @throws Phergie_Hostmask_Exception
*/
public static function fromString($hostmask)
{
if (preg_match(self::$regex, $hostmask, $match)) {
list(, $nick, $username, $host) = $match;
return new self($nick, $username, $host);
}
throw new Phergie_Hostmask_Exception(
'Invalid hostmask specified: "' . $hostmask . '"',
Phergie_Hostmask_Exception::ERR_INVALID_HOSTMASK
);
}
/**
* Sets the hostname.
*
* @param string $host Hostname
*
* @return Phergie_Hostmask Provides a fluent interface
*/
public function setHost($host)
{
$this->host = $host;
return $this;
}
/**
* Returns the hostname.
*
* @return string
*/
public function getHost()
{
return $this->host;
}
/**
* Sets the username of the user.
*
* @param string $username Username
*
* @return Phergie_Hostmask Provides a fluent interface
*/
public function setUsername($username)
{
$this->username = $username;
return $this;
}
/**
* Returns the username of the user.
*
* @return string
*/
public function getUsername()
{
return $this->username;
}
/**
* Sets the nick of the user.
*
* @param string $nick User nick
*
* @return Phergie_Hostmask Provides a fluent interface
*/
public function setNick($nick)
{
$this->nick = $nick;
return $this;
}
/**
* Returns the nick of the user.
*
* @return string
*/
public function getNick()
{
return $this->nick;
}
/**
* Returns the hostmask for the originating server or user.
*
* @return string
*/
public function __toString()
{
return $this->nick . '!' . $this->username . '@' . $this->host;
}
/**
* Returns whether a given hostmask matches a given pattern.
*
* @param string $pattern Pattern using conventions of a ban mask where
* represents a wildcard
* @param string $hostmask Optional hostmask to match against, if not
* the current hostmask instance
*
* @return bool TRUE if the hostmask matches the pattern, FALSE otherwise
* @link http://irchelp.org/irchelp/rfc/chapter4.html#c4_2_3 Examples
*/
public function matches($pattern, $hostmask = null)
{
if (!$hostmask) {
$hostmask = (string) $this;
}
$pattern = str_replace('*', '.*', $pattern);
return (preg_match('#^' . $pattern . '$#', $hostmask) > 0);
}
}