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

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<?php
/**
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* Phergie
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*
* 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
*
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* @category Phergie
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* @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
*/
/**
* Composite class for other components to represent the bot.
*
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* @category Phergie
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* @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_Bot
{
/**
* Current version of Phergie
*/
const VERSION = '2.0.1';
/**
* Current driver instance
*
* @var Phergie_Driver_Abstract
*/
protected $driver;
/**
* Current configuration instance
*
* @var Phergie_Config
*/
protected $config;
/**
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* Current connection handler instance
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*
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* @var Phergie_Connection_Handler
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*/
protected $connections;
/**
* Current plugin handler instance
*
* @var Phergie_Plugin_Handler
*/
protected $plugins;
/**
* Current event handler instance
*
* @var Phergie_Event_Handler
*/
protected $events;
/**
* Current end-user interface instance
*
* @var Phergie_Ui_Abstract
*/
protected $ui;
/**
* Current processor instance
*
* @var Phergie_Process_Abstract
*/
protected $processor;
/**
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* Returns a driver instance, creating one of the default class if
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* none has been set.
*
* @return Phergie_Driver_Abstract
*/
public function getDriver()
{
if (empty($this->driver)) {
// Check if a driver has been defined in the configuration to use
// as the default
$config = $this->getConfig();
if (isset($config['driver'])) {
$class = 'Phergie_Driver_' . ucfirst($config['driver']);
} else {
// Otherwise default to the Streams driver.
$class = 'Phergie_Driver_Streams';
}
$this->driver = new $class;
}
return $this->driver;
}
/**
* Sets the driver instance to use.
*
* @param Phergie_Driver_Abstract $driver Driver instance
*
* @return Phergie_Bot Provides a fluent interface
*/
public function setDriver(Phergie_Driver_Abstract $driver)
{
$this->driver = $driver;
return $this;
}
/**
* Sets the configuration to use.
*
* @param Phergie_Config $config Configuration instance
*
* @return Phergie_Runner_Abstract Provides a fluent interface
*/
public function setConfig(Phergie_Config $config)
{
$this->config = $config;
return $this;
}
/**
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* Returns the entire configuration in use or the value of a specific
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* configuration setting.
*
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* @param string $index Optional index of a specific configuration
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* setting for which the corresponding value should be returned
* @param mixed $default Value to return if no match is found for $index
*
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* @return mixed Value corresponding to $index or the entire
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* configuration if $index is not specified
*/
public function getConfig($index = null, $default = null)
{
if (empty($this->config)) {
$this->config = new Phergie_Config;
$this->config->read('Settings.php');
}
if ($index !== null) {
if (isset($this->config[$index])) {
return $this->config[$index];
} else {
return $default;
}
}
return $this->config;
}
/**
* Returns a plugin handler instance, creating it if it does not already
* exist and using a default class if none has been set.
*
* @return Phergie_Plugin_Handler
*/
public function getPluginHandler()
{
if (empty($this->plugins)) {
$this->plugins = new Phergie_Plugin_Handler(
$this->getConfig(),
$this->getEventHandler()
);
}
return $this->plugins;
}
/**
* Sets the plugin handler instance to use.
*
* @param Phergie_Plugin_Handler $handler Plugin handler instance
*
* @return Phergie_Bot Provides a fluent interface
*/
public function setPluginHandler(Phergie_Plugin_Handler $handler)
{
$this->plugins = $handler;
return $this;
}
/**
* Returns an event handler instance, creating it if it does not already
* exist and using a default class if none has been set.
*
* @return Phergie_Event_Handler
*/
public function getEventHandler()
{
if (empty($this->events)) {
$this->events = new Phergie_Event_Handler;
}
return $this->events;
}
/**
* Sets the event handler instance to use.
*
* @param Phergie_Event_Handler $handler Event handler instance
*
* @return Phergie_Bot Provides a fluent interface
*/
public function setEventHandler(Phergie_Event_Handler $handler)
{
$this->events = $handler;
return $this;
}
/**
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* Returns a connection handler instance, creating it if it does not
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* already exist and using a default class if none has been set.
*
* @return Phergie_Connection_Handler
*/
public function getConnectionHandler()
{
if (empty($this->connections)) {
$this->connections = new Phergie_Connection_Handler;
}
return $this->connections;
}
/**
* Sets the connection handler instance to use.
*
* @param Phergie_Connection_Handler $handler Connection handler instance
*
* @return Phergie_Bot Provides a fluent interface
*/
public function setConnectionHandler(Phergie_Connection_Handler $handler)
{
$this->connections = $handler;
return $this;
}
/**
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* Returns an end-user interface instance, creating it if it does not
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* already exist and using a default class if none has been set.
*
* @return Phergie_Ui_Abstract
*/
public function getUi()
{
if (empty($this->ui)) {
$this->ui = new Phergie_Ui_Console;
}
return $this->ui;
}
/**
* Sets the end-user interface instance to use.
*
* @param Phergie_Ui_Abstract $ui End-user interface instance
*
* @return Phergie_Bot Provides a fluent interface
*/
public function setUi(Phergie_Ui_Abstract $ui)
{
$this->ui = $ui;
return $this;
}
/**
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* Returns a processer instance, creating one if none exists.
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*
* @return Phergie_Process_Abstract
*/
public function getProcessor()
{
if (empty($this->processor)) {
$class = 'Phergie_Process_Standard';
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$type = $this->getConfig('processor');
if (!empty($type)) {
$class = 'Phergie_Process_' . ucfirst($type);
}
$this->processor = new $class(
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$this,
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$this->getConfig('processor.options', array())
);
}
return $this->processor;
}
/**
* Sets the processer instance to use.
*
* @param Phergie_Process_Abstract $processor Processer instance
*
* @return Phergie_Bot Provides a fluent interface
*/
public function setProcessor(Phergie_Process_Abstract $processor)
{
$this->processor = $processor;
return $this;
}
/**
* Loads plugins into the plugin handler.
*
* @return void
*/
protected function loadPlugins()
{
$config = $this->getConfig();
$plugins = $this->getPluginHandler();
$ui = $this->getUi();
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$plugins->setAutoload($config['plugins.autoload']);
foreach ($config['plugins'] as $name) {
try {
$plugin = $plugins->addPlugin($name);
$ui->onPluginLoad($name);
} catch (Phergie_Plugin_Exception $e) {
$ui->onPluginFailure($name, $e->getMessage());
if (!empty($plugin)) {
$plugins->removePlugin($plugin);
}
}
}
}
/**
* Configures and establishes connections to IRC servers.
*
* @return void
*/
protected function loadConnections()
{
$config = $this->getConfig();
$driver = $this->getDriver();
$connections = $this->getConnectionHandler();
$plugins = $this->getPluginHandler();
$ui = $this->getUi();
foreach ($config['connections'] as $data) {
$connection = new Phergie_Connection($data);
$connections->addConnection($connection);
$ui->onConnect($data['host']);
$driver->setConnection($connection)->doConnect();
$plugins->setConnection($connection);
$plugins->onConnect();
}
}
/**
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* Establishes server connections and initiates an execution loop to
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* continuously receive and process events.
*
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* @return Phergie_Bot Provides a fluent interface
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*/
public function run()
{
set_time_limit(0);
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$timezone = $this->getConfig('timezone', 'UTC');
date_default_timezone_set($timezone);
$ui = $this->getUi();
$ui->setEnabled($this->getConfig('ui.enabled'));
$this->loadPlugins();
$this->loadConnections();
$processor = $this->getProcessor();
$connections = $this->getConnectionHandler();
while (count($connections)) {
$processor->handleEvents();
}
$ui->onShutdown();
return $this;
}
}