mirror of
https://github.com/Mibew/mibew.git
synced 2025-04-11 02:10:12 +03:00
94 lines
2.8 KiB
PHP
94 lines
2.8 KiB
PHP
<?php
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/*
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* Copyright 2005-2013 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Manage plugins
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*/
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Class PluginManager {
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/**
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* Loads plugins and invokes Plugin::registerEvents() and Plugin::registerListeners()
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*
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* @param array $plugins_list List of plugins' names and configurations. For example:
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* <code>
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* $plugins_list = array();
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* $plugins_list[] = array(
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* 'name' => 'plugin_name', // Obligatory value
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* 'config' => array( // Pass to plugin constructor
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* 'weight' => 100,
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* 'some_configurable_value' => 'value'
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* )
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* )
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* </code>
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*
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* @see Plugin::registerEvents()
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* @see Plugin::registerListeners()
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*/
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public static function loadPlugins($plugins_list){
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// Add include path
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$include_path = get_include_path();
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$include_path .= empty($include_path) ? '' : PATH_SEPARATOR ;
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set_include_path($include_path . realpath(dirname(__FILE__) . "/../../plugins/"));
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// Load plugins
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$loading_queue = array();
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$offset = 0;
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foreach ($plugins_list as $plugin) {
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if (empty($plugin['name'])) {
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trigger_error("Plugin name undefined!", E_USER_WARNING);
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continue;
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}
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$plugin_name = $plugin['name'];
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$plugin_config = isset($plugin['config']) ? $plugin['config'] : array();
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$plugin_classname = ucfirst($plugin_name) . "Plugin";
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// Try to load plugin file
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if (! (include_once $plugin_name."/plugin.mibew.inc.php")) {
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trigger_error("Cannot load plugin file!", E_USER_ERROR);
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}
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// Check plugin class name
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if (! class_exists($plugin_classname)) {
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trigger_error(
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"Plugin class '{$plugin_classname}' does not defined!",
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E_USER_WARNING
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);
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continue;
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}
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// Check if plugin implements 'Plugin' interface
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if (! in_array('Plugin', class_implements($plugin_classname))) {
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trigger_error(
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"Plugin class '{$plugin_classname}' does not implement " .
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"'Plugin' interface!",
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E_USER_WARNING
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);
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continue;
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}
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// Add plugin to loading queue
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$plugin_instance = new $plugin_classname($plugin_config);
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$loading_queue[$plugin_instance->getWeight() . "_" . $offset] = $plugin_instance;
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$offset++;
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}
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// Sort queue in order to plugins' weights
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uksort($loading_queue, 'strnatcmp');
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// Add events and listeners
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foreach ($loading_queue as $plugin) {
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$plugin->registerEvents();
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$plugin->registerListeners();
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}
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}
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}
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?>
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