From 36b41c6c79c3a434b7e5b374befb3090105dd3aa Mon Sep 17 00:00:00 2001
From: =?utf8?q?St=C3=A9phane=20Jacob?= <sj@m4x.org>
Date: Tue, 12 Apr 2011 09:20:06 +0200
Subject: [PATCH] Add smarty prefilter to allow access to const field of
 classes (Closes #1204).
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Signed-off-by: Stéphane Jacob <sj@m4x.org>
---
 ChangeLog          |  3 +++
 classes/plpage.php | 22 ++++++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 82da5f6..244759e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,9 @@
 ================================================================================
 VERSION 1.1.4                                                         XX XX XXXX
 
+New:
+    * #1204: Add smarty prefilter to allow access to const field of classes -JAC
+
 From branch 1.1.3:
 
     * #1451: Fix dynPost                                                    -FRU
diff --git a/classes/plpage.php b/classes/plpage.php
index 56b0c8a..2a0e3ee 100644
--- a/classes/plpage.php
+++ b/classes/plpage.php
@@ -60,6 +60,7 @@ abstract class PlPage extends Smarty
                              . " actuellement désactivée, en particulier aucune donnée ne sera sauvegardée");
         }
         $this->register_prefilter('at_to_globals');
+        $this->register_prefilter('get_class_constants');
     }
 
     // }}}
@@ -459,6 +460,27 @@ function at_to_globals($tpl_source, $smarty)
 }
 
 // }}}
+// {{{ function get_class_constants()
+
+/**
+ * helper
+ */
+
+function _get_class_const($class, $const)
+{
+    return var_export(constant($class . '::' . $const), true);
+}
+
+/**
+ * Compilation plugin used to import class constants through calls to #Class::CONSTANT#
+ */
+
+function get_class_constants($tpl_source, $smarty)
+{
+    return preg_replace('/#([a-zA-Z0-9_]+)::([A-Z0-9_]+)#/e', '_get_class_const(\'\\1\',\'\\2\')', $tpl_source);
+}
+
+// }}}
 // {{{  function trimwhitespace
 
 function trimwhitespace($source, $smarty)
-- 
2.1.4