filter fields by index was wrong for wildcards

Author: cKlee

src/File_MARC_Reference.php

@@ -418,7 +418,20 @@ private function referenceFields()
 
         /* filter on indizes */
         if ($_indexRange = $this->getIndexRange($this->spec['field'], count($this->fields))) {
-            $this->fields = array_intersect_key($this->fields, array_flip($_indexRange));
+            $prevTag = "";
+            $index = 0;
+            foreach($this->fields as $position => $field) {
+                if(false == ($field instanceof File_MARC_Field)) {
+                    continue;
+                }
+                $tag = $field->getTag();
+                $index = ($prevTag == $tag or "" == $prevTag) ? $index : 0;
+                if(!in_array($index, $_indexRange)) {
+                    unset($this->fields[$position]);
+                }
+                $index++;
+                $prevTag = $tag;
+            }
         }
 
         /* filter on indicators */

test/ReferenceTest.php

@@ -79,6 +79,12 @@ public function testGetRepeatable()
         $this->assertTrue(17 == $Reference->data[0]->getPosition());
         $this->assertTrue(18 == $Reference->data[1]->getPosition());
     }
+    
+    public function testGetRepeatableWildcard()
+    {
+        $Reference = new File_MARC_Reference('0..[1]', $this->record);
+        $this->assertSame(1, count($Reference->data));
+    }
 
     public function testGetRepeatableWildCardSubstring()
     {