FS#1648 - sort acronyms into descending order by string length

darcs-hash:20090419160806-f07c6-a2d1bd681e2dd369422bd3839d2837833288cee5.gz

1 files changed, 16 insertions, 0 deletions

diff --git a/inc/parser/parser.php b/inc/parser/parser.php
index db49ff0c3..491206b81 100644
--- a/inc/parser/parser.php
+++ b/inc/parser/parser.php
@@ -611,6 +611,7 @@ class Doku_Parser_Mode_acronym extends Doku_Parser_Mode {
     var $pattern = '';
 
     function Doku_Parser_Mode_acronym($acronyms) {
+    	usort($acronyms,array($this,'_compare'));
         $this->acronyms = $acronyms;
     }
 
@@ -633,6 +634,21 @@ class Doku_Parser_Mode_acronym extends Doku_Parser_Mode {
     function getSort() {
         return 240;
     }
+
+    /**
+     * sort callback to order by string length descending
+     */
+    function _compare($a,$b) {
+        $a_len = strlen($a);
+        $b_len = strlen($b);
+        if ($a_len > $b_len) {
+          return -1;
+        } else if ($a_len < $b_len) {
+          return 1;
+        }
+
+    	return 0;
+    }
 }
 
 //-------------------------------------------------------------------