Rename lib/dokuwiki to vendors/dokuwiki

1 files changed, 172 insertions, 0 deletions

diff --git a/vendors/dokuwiki/inc/plugincontroller.class.php b/vendors/dokuwiki/inc/plugincontroller.class.php
new file mode 100644
index 000000000..4400a4187
--- /dev/null
+++ b/vendors/dokuwiki/inc/plugincontroller.class.php
@@ -0,0 +1,172 @@
+<?php
+/**
+ * Class to encapsulate access to dokuwiki plugins
+ *
+ * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * @author     Christopher Smith <chris@jalakai.co.uk>
+ */
+
+// plugin related constants
+if(!defined('DOKU_PLUGIN'))  define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
+
+class Doku_Plugin_Controller {
+
+    var $list_enabled = array();
+    var $list_disabled = array();
+    var $list_bytype = array();
+
+    function Doku_Plugin_Controller() {
+        $this->_populateMasterList();
+    }
+
+    /**
+     * Returns a list of available plugins of given type
+     *
+     * @param $type  string, plugin_type name;
+     *               the type of plugin to return,
+     *               use empty string for all types
+     * @param $all   bool;
+     *               false to only return enabled plugins,
+     *               true to return both enabled and disabled plugins
+     *
+     * @return       array of plugin names
+     *
+     * @author Andreas Gohr <andi@splitbrain.org>
+     */
+    function getList($type='',$all=false){
+
+        // request the complete list
+        if (!$type) {
+            return $all ? array_merge($this->list_enabled,$this->list_disabled) : $this->list_enabled;
+        }
+
+        if (!isset($this->list_bytype[$type]['enabled'])) {
+            $this->list_bytype[$type]['enabled'] = $this->_getListByType($type,true);
+        }
+        if ($all && !isset($this->list_bytype[$type]['disabled'])) {
+            $this->list_bytype[$type]['disabled'] = $this->_getListByType($type,false);
+        }
+
+        return $all ? array_merge($this->list_bytype[$type]['enabled'],$this->list_bytype[$type]['disabled']) : $this->list_bytype[$type]['enabled'];
+    }
+
+    /**
+     * Loads the given plugin and creates an object of it
+     *
+     * @author Andreas Gohr <andi@splitbrain.org>
+     *
+     * @param  $type string     type of plugin to load
+     * @param  $name string     name of the plugin to load
+     * @param  $new  bool       true to return a new instance of the plugin, false to use an already loaded instance
+     * @return objectreference  the plugin object or null on failure
+     */
+    function &load($type,$name,$new=false){
+        //we keep all loaded plugins available in global scope for reuse
+        global $DOKU_PLUGINS;
+
+        //plugin already loaded?
+        if(!empty($DOKU_PLUGINS[$type][$name])){
+            if ($new  && !$DOKU_PLUGINS[$type][$name]->isSingleton()) {
+                $class = $type.'_plugin_'.$name;
+                return class_exists($class) ? new $class : null;
+            } else {
+                return $DOKU_PLUGINS[$type][$name];
+            }
+        }
+
+        //try to load the wanted plugin file
+        list($plugin,$component) = $this->_splitName($name);
+        $dir = $this->get_directory($plugin);
+        $file = $component ? "$type/$component.php" : "$type.php";
+
+        if(!is_file(DOKU_PLUGIN."$dir/$file")){
+            return null;
+        }
+
+        if (!include_once(DOKU_PLUGIN."$dir/$file")) {
+            return null;
+        }
+
+        //construct class and instantiate
+        $class = $type.'_plugin_'.$name;
+        if (!class_exists($class)) return null;
+
+        $DOKU_PLUGINS[$type][$name] = new $class;
+        return $DOKU_PLUGINS[$type][$name];
+    }
+
+    function isdisabled($plugin) {
+        return (array_search($plugin, $this->list_enabled) === false);
+    }
+
+    function enable($plugin) {
+        if (array_search($plugin, $this->list_disabled) !== false) {
+            return @unlink(DOKU_PLUGIN.$plugin.'/disabled');
+        }
+        return false;
+    }
+
+    function disable($plugin) {
+        if (array_search($plugin, $this->list_enabled) !== false) {
+            return @touch(DOKU_PLUGIN.$plugin.'/disabled');
+        }
+        return false;
+    }
+
+    function get_directory($plugin) {
+        return $plugin;
+    }
+
+    function _populateMasterList() {
+        if ($dh = opendir(DOKU_PLUGIN)) {
+            while (false !== ($plugin = readdir($dh))) {
+                if ($plugin == '.' || $plugin == '..' || $plugin == 'tmp') continue;
+                if (is_file(DOKU_PLUGIN.$plugin)) continue;
+
+                if (substr($plugin,-9) == '.disabled') {
+                    // the plugin was disabled by rc2009-01-26
+                    // disabling mechanism was changed back very soon again
+                    // to keep everything simple we just skip the plugin completely
+                }elseif(@file_exists(DOKU_PLUGIN.$plugin.'/disabled')){
+                    $this->list_disabled[] = $plugin;
+                } else {
+                    $this->list_enabled[] = $plugin;
+                }
+            }
+        }
+    }
+
+    function _getListByType($type, $enabled) {
+        $master_list = $enabled ? $this->list_enabled : $this->list_disabled;
+
+        $plugins = array();
+        foreach ($master_list as $plugin) {
+            $dir = $this->get_directory($plugin);
+
+            if (@file_exists(DOKU_PLUGIN."$dir/$type.php")){
+                $plugins[] = $plugin;
+            } else {
+                if ($dp = @opendir(DOKU_PLUGIN."$dir/$type/")) {
+                    while (false !== ($component = readdir($dp))) {
+                        if (substr($component,0,1) == '.' || strtolower(substr($component, -4)) != ".php") continue;
+                        if (is_file(DOKU_PLUGIN."$dir/$type/$component")) {
+                            $plugins[] = $plugin.'_'.substr($component, 0, -4);
+                        }
+                    }
+                    closedir($dp);
+                }
+            }
+        }
+
+        return $plugins;
+    }
+
+    function _splitName($name) {
+        if (array_search($name, $this->list_enabled + $this->list_disabled) === false) {
+            return explode('_',$name,2);
+        }
+
+        return array($name,'');
+    }
+
+}