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-rw-r--r--inc/plugin.php9
-rw-r--r--inc/plugincontroller.class.php2
-rw-r--r--lib/plugins/syntax.php8
3 files changed, 18 insertions, 1 deletions
diff --git a/inc/plugin.php b/inc/plugin.php
index 763b57bf2..33cb06c87 100644
--- a/inc/plugin.php
+++ b/inc/plugin.php
@@ -215,6 +215,15 @@ class DokuWiki_Plugin {
return p_render($format, p_get_instructions($text),$info);
}
+ /**
+ * Allow the plugin to prevent DokuWiki creating a second instance of itself
+ *
+ * @return bool true if the plugin can not be instantiated more than once
+ */
+ function isSingleton() {
+ return false;
+ }
+
// deprecated functions
function plugin_localFN($id) { return $this->localFN($id); }
function plugin_locale_xhtml($id) { return $this->locale_xhtml($id); }
diff --git a/inc/plugincontroller.class.php b/inc/plugincontroller.class.php
index 670dcff5d..924a475e0 100644
--- a/inc/plugincontroller.class.php
+++ b/inc/plugincontroller.class.php
@@ -66,7 +66,7 @@ class Doku_Plugin_Controller {
//plugin already loaded?
if(!empty($DOKU_PLUGINS[$type][$name])){
- if ($new) {
+ if ($new && !$DOKU_PLUGINS[$type][$name]->isSingleton()) {
$class = $type.'_plugin_'.$name;
return class_exists($class) ? new $class : null;
} else {
diff --git a/lib/plugins/syntax.php b/lib/plugins/syntax.php
index 7ded173cd..126e01952 100644
--- a/lib/plugins/syntax.php
+++ b/lib/plugins/syntax.php
@@ -266,5 +266,13 @@ class DokuWiki_Syntax_Plugin extends Doku_Parser_Mode {
return $conf;
}
+ /**
+ * Allow the plugin to prevent DokuWiki creating a second instance of itself
+ *
+ * @return bool true if the plugin can not be instantiated more than once
+ */
+ function isSingleton() {
+ return false;
+ }
}
//Setup VIM: ex: et ts=4 enc=utf-8 :