X-Git-Url: http://git.polytechnique.org/?a=blobdiff_plain;ds=sidebyside;f=classes%2Fplflagset.php;h=c6c8d41f93b123407edf5a4545f95c60c2c6d9fc;hb=feb45d1d9fc152beff746c83048ff7704cc27ea2;hp=474f9d87a2e24ad057f24f99bef256cec85bee9c;hpb=3ecd0a882aebbb539b4b0e507a360e961cd51c63;p=platal.git

diff --git a/classes/plflagset.php b/classes/plflagset.php
index 474f9d8..c6c8d41 100644
--- a/classes/plflagset.php
+++ b/classes/plflagset.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright (C) 2003-2009 Polytechnique.org
+ * Copyright (C) 2003-2011 Polytechnique.org
  * http://opensource.polytechnique.org/
  *
  * This program is free software; you can redistribute it and/or modify
@@ -21,7 +21,7 @@
 
 /** class for describing flags
  */
-class PlFlagSet
+class PlFlagSet extends PlAbstractIterable implements XDBFormat, PlExportable
 {
     /** string that holds the PlFlagSet */
     private $values = array();
@@ -39,7 +39,9 @@ class PlFlagSet
         $this->sep = $sep;
         $splitted = explode($sep, $flags);
         foreach ($splitted as $part) {
-            $this->values[$part] = true;
+            if (!empty($part)) {
+                $this->values[$part] = true;
+            }
         }
     }
 
@@ -102,6 +104,13 @@ class PlFlagSet
         }
     }
 
+    /** Remove all the flags.
+     */
+    public function clear()
+    {
+        $this->values = array();
+    }
+
 
     /** return the PlFlagSet
      */
@@ -118,6 +127,34 @@ class PlFlagSet
         }
         return $flags;
     }
+
+    /** export the PlFlagSet
+     */
+    public function export()
+    {
+        $array = array();
+        foreach ($this->values as $key=>$value) {
+            if ($value) {
+                $array[] = $key;
+            }
+        }
+        return $array;
+    }
+
+    /** format for XDB
+     */
+    public function format()
+    {
+        return XDB::escape($this->flags());
+    }
+
+
+    /** Build an iterator for this PlFlagSet.
+     */
+    public function iterate()
+    {
+        return PlIteratorUtils::fromArray($this->export(), 1, true);
+    }
 }
 
 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: