forked from GNUsocial/gnu-social
112 lines
3.4 KiB
PHP
112 lines
3.4 KiB
PHP
<?php
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/**
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* Phergie
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*
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* PHP version 5
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.
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* It is also available through the world-wide-web at this URL:
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* http://phergie.org/license
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*
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* @category Phergie
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* @package Phergie_Plugin_Message
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* @author Phergie Development Team <team@phergie.org>
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* @copyright 2008-2010 Phergie Development Team (http://phergie.org)
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* @license http://phergie.org/license New BSD License
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* @link http://pear.phergie.org/package/Phergie_Plugin_Message
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*/
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/**
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* Generalized plugin providing utility methods for
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* prefix and bot named based message extraction.
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*
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* @category Phergie
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* @package Phergie_Plugin_Message
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* @author Phergie Development Team <team@phergie.org>
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* @license http://phergie.org/license New BSD License
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* @link http://pear.phergie.org/package/Phergie_Plugin_Message
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*/
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class Phergie_Plugin_Message extends Phergie_Plugin_Abstract
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{
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/**
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* Check whether a message is specifically targeted at the bot.
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* This is the case when the message starts with the bot's name
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* followed by [,:>] or when it is a private message.
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*
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* @return boolean true when the message is specifically targeted at the bot,
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* false otherwise.
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*/
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public function isTargetedMessage()
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{
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$event = $this->getEvent();
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$self = preg_quote($this->connection->getNick());
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$targetPattern = <<<REGEX
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{^
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\s*{$self}\s*[:>,].* # expect the bots name, followed by a [:>,]
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$}ix
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REGEX;
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return !$event->isInChannel()
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|| preg_match($targetPattern, $event->getText()) > 0;
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}
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/**
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* Allow for prefix and bot name aware extraction of a message
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*
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* @return string|bool $message The message, which is possibly targeted at the
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* bot or false if a prefix requirement failed
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*/
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public function getMessage()
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{
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$event = $this->getEvent();
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$prefix = preg_quote($this->getConfig('command.prefix'));
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$self = preg_quote($this->connection->getNick());
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$message = $event->getText();
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// $prefixPattern matches : Phergie, do command <parameters>
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// where $prefix = 'do' : do command <parameters>
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// : Phergie, command <parameters>
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$prefixPattern = <<<REGEX
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{^
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(?:
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\s*{$self}\s*[:>,]\s* # start with bot name
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(?:{$prefix})? # which is optionally followed by the prefix
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\s*{$prefix} # or start with the prefix
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)
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\s*(.*) # always end with the message
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$}ix
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REGEX;
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// $noPrefixPattern matches : Phergie, command <parameters>
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// : command <parameters>
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$noPrefixPattern = <<<REGEX
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{^
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\s*(?:{$self}\s*[:>,]\s*)? # optionally start with the bot name
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(.*?) # always end with the message
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$}ix
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REGEX;
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$pattern = $noPrefixPattern;
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// If a prefix is set, force it as a requirement
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if ($prefix && $event->isInChannel()) {
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$pattern = $prefixPattern;
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}
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$match = null;
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if (!preg_match($pattern, $message, $match)) {
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return false;
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}
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return $match[1];
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}
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} |