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Change plugins loading logic

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This commit is contained in:
Dmitriy Simushev 2014-02-26 12:35:56 +00:00
parent 409c455bd1
commit 66c4355ee0
2 changed files with 26 additions and 21 deletions
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44
src/mibew/libs/classes/Mibew/Plugin/Manager.php
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@ -70,8 +70,8 @@ class Manager
* <code> * <code>
* $plugins_list = array(); * $plugins_list = array();
* $plugins_list[] = array( * $plugins_list[] = array(
* 'name' => 'plugin_name', // Obligatory value * 'name' => 'vendor:plugin_name', // Obligatory value
* 'config' => array( // Pass to plugin constructor * 'config' => array( // Pass to plugin constructor
* 'weight' => 100, * 'weight' => 100,
* 'some_configurable_value' => 'value' * 'some_configurable_value' => 'value'
* ) * )
@ -82,31 +82,34 @@ class Manager
*/ */
public static function loadPlugins($plugins_list) public static function loadPlugins($plugins_list)
{ {
// Add include path // Load plugins one by one
$include_path = get_include_path();
$include_path .= empty($include_path) ? '' : PATH_SEPARATOR;
set_include_path($include_path . realpath(MIBEW_FS_ROOT . "/plugins/"));
// Load plugins
$loading_queue = array(); $loading_queue = array();
$offset = 0; $offset = 0;
foreach ($plugins_list as $plugin) { foreach ($plugins_list as $plugin) {
if (empty($plugin['name'])) { if (empty($plugin['name'])) {
trigger_error("Plugin name undefined!", E_USER_WARNING); trigger_error("Plugin name is undefined!", E_USER_WARNING);
continue; continue;
} }
$plugin_name = $plugin['name']; $plugin_name = $plugin['name'];
// Split full name to vendor name and short name
list($vendor_name, $plugin_short_name) = explode(':', $plugin_name, 2);
if (empty($vendor_name) || empty($plugin_short_name)) {
trigger_error(
"Wrong formated plugin name '" . $plugin_name . "'!",
E_USER_WARNING
);
continue;
}
$plugin_config = isset($plugin['config']) ? $plugin['config'] : array(); $plugin_config = isset($plugin['config']) ? $plugin['config'] : array();
// Build name of the plugin class // Build name of the plugin class
$plugin_name_parts = explode('_', $plugin_name); $plugin_name_parts = explode('_', $plugin_short_name);
$plugin_name_parts = array_map('ucfirst', $plugin_name_parts); $plugin_name_parts = array_map('ucfirst', $plugin_name_parts);
$plugin_classname = '\\Mibew\\Plugin\\' . implode('', $plugin_name_parts); $plugin_classname = '\\' . ucfirst($vendor_name)
. '\\Mibew\\Plugin\\' . implode('', $plugin_name_parts) . '\\Plugin';
// Try to load plugin file
if (!(include_once $plugin_name . "/" . $plugin_name . "_plugin.php")) {
trigger_error("Cannot load plugin file!", E_USER_ERROR);
}
// Check plugin class name // Check plugin class name
if (!class_exists($plugin_classname)) { if (!class_exists($plugin_classname)) {
trigger_error( trigger_error(
@ -117,9 +120,9 @@ class Manager
} }
// Check if plugin extends abstract 'Plugin' class // Check if plugin extends abstract 'Plugin' class
if (!in_array('Mibew\\Plugin\\PluginInterface', class_implements($plugin_classname))) { if (!in_array('Mibew\\Plugin\\PluginInterface', class_implements($plugin_classname))) {
$error_essage = "Plugin class '{$plugin_classname}' does not " $error_message = "Plugin class '{$plugin_classname}' does not "
. "implement '\\Mibew\\Plugin\\PluginInterface' interface!"; . "implement '\\Mibew\\Plugin\\PluginInterface' interface!";
trigger_error($error_essage, E_USER_WARNING); trigger_error($error_message, E_USER_WARNING);
continue; continue;
} }
@ -130,9 +133,9 @@ class Manager
)); ));
foreach ($plugin_dependencies as $dependency) { foreach ($plugin_dependencies as $dependency) {
if (empty(self::$loadedPlugins[$dependency])) { if (empty(self::$loadedPlugins[$dependency])) {
$error_essage = "Plugin '{$dependency}' was not loaded " $error_message = "Plugin '{$dependency}' was not loaded "
. "yet, but exists in '{$plugin_name}' dependencies list!"; . "yet, but exists in '{$plugin_name}' dependencies list!";
trigger_error($error_essage, E_USER_WARNING); trigger_error($error_message, E_USER_WARNING);
continue 2; continue 2;
} }
} }
@ -151,9 +154,8 @@ class Manager
); );
} }
} }
// Sort queue in order to plugins' weights // Sort queue in order to plugins' weights and run plugins one by one
uksort($loading_queue, 'strnatcmp'); uksort($loading_queue, 'strnatcmp');
// Add events and listeners
foreach ($loading_queue as $plugin) { foreach ($loading_queue as $plugin) {
$plugin->run(); $plugin->run();
} }

3
src/mibew/libs/init.php
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@ -47,6 +47,9 @@ require_once(MIBEW_FS_ROOT . '/libs/common/constants.php');
require_once(MIBEW_FS_ROOT . '/libs/classes/Mibew/Autoloader.php'); require_once(MIBEW_FS_ROOT . '/libs/classes/Mibew/Autoloader.php');
Mibew\Autoloader::register(MIBEW_FS_ROOT . '/libs/classes'); Mibew\Autoloader::register(MIBEW_FS_ROOT . '/libs/classes');
// Automatically load plugins
Mibew\Autoloader::register(MIBEW_FS_ROOT . '/plugins');
// Initialize external dependencies // Initialize external dependencies
require_once(MIBEW_FS_ROOT . '/vendor/autoload.php'); require_once(MIBEW_FS_ROOT . '/vendor/autoload.php');