From 6854cb3f4d8219cf1829e32122eb2502a916eae9 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Sat, 1 Feb 2020 09:05:48 +0100
Subject: initial checkin

---
 plugins/dokuwiki/inc/pluginutils.php | 95 ++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 plugins/dokuwiki/inc/pluginutils.php

(limited to 'plugins/dokuwiki/inc/pluginutils.php')

diff --git a/plugins/dokuwiki/inc/pluginutils.php b/plugins/dokuwiki/inc/pluginutils.php
new file mode 100644
index 0000000..183e222
--- /dev/null
+++ b/plugins/dokuwiki/inc/pluginutils.php
@@ -0,0 +1,95 @@
+<?php
+/**
+ * Utilities for handling plugins
+ *
+ * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * @author     Andreas Gohr <andi@splitbrain.org>
+ */
+ 
+// plugin related constants
+if(!defined('DOKU_PLUGIN'))  define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
+$plugin_types = array('admin','syntax','action');
+ 
+/**
+ * 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 $all   bool; 
+ *               false to only return enabled plugins,
+ *               true to return both enabled and disabled plugins
+ *
+ * @return       array of plugin names
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function plugin_list($type='',$all=false){
+  $plugins = array();
+  if ($dh = opendir(DOKU_PLUGIN)) {
+    while (false !== ($plugin = readdir($dh))) {
+      if ($plugin == '.' || $plugin == '..' || $plugin == 'tmp') continue;
+      if (is_file(DOKU_PLUGIN.$plugin)) continue;
+			
+			// if required, skip disabled plugins
+			if (!$all && plugin_isdisabled($plugin)) continue;
+
+      if ($type=='' || @file_exists(DOKU_PLUGIN."$plugin/$type.php")){
+          $plugins[] = $plugin;
+      } else {
+        if ($dp = @opendir(DOKU_PLUGIN."$plugin/$type/")) {
+          while (false !== ($component = readdir($dp))) {
+            if ($component == '.' || $component == '..' || strtolower(substr($component, -4)) != ".php") continue;
+            if (is_file(DOKU_PLUGIN."$plugin/$type/$component")) {
+              $plugins[] = $plugin.'_'.substr($component, 0, -4);
+            }
+          }
+        closedir($dp);
+        }
+      }
+    }
+    closedir($dh);
+  }
+  return $plugins;
+}
+
+/**
+ * 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  $name string     name of the plugin to load
+ * @return objectreference  the plugin object or null on failure
+ */
+function &plugin_load($type,$name){
+  //we keep all loaded plugins available in global scope for reuse
+  global $DOKU_PLUGINS;
+
+
+  //plugin already loaded?
+  if(!empty($DOKU_PLUGINS[$type][$name])){
+    return $DOKU_PLUGINS[$type][$name];
+  }
+
+  //try to load the wanted plugin file
+  if (@file_exists(DOKU_PLUGIN."$name/$type.php")){
+    include_once(DOKU_PLUGIN."$name/$type.php");
+  }else{
+    list($plugin, $component) = preg_split("/_/",$name, 2);
+    if (!$component || !include_once(DOKU_PLUGIN."$plugin/$type/$component.php")) {
+        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][$name];
+}
+
+function plugin_isdisabled($name) { return @file_exists(DOKU_PLUGIN.$name.'/disabled'); }
+function plugin_enable($name) { return @unlink(DOKU_PLUGIN.$name.'/disabled'); }
+function plugin_disable($name) { return @touch(DOKU_PLUGIN.$name.'/disabled'); }
-- 
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