Merge remote branch 'dgi/islandora_form_builder' into islandora_form_builder

ContentModel.inc

@@ -2038,6 +2038,7 @@ class ContentModel extends XMLDatastream {
     if (!$this->validate()) {
       return FALSE;
     }
+    $names = FALSE;
     $result = $this->xpath->query('//cm:forms/cm:form/@name'); // Select the name attribute of all forms.
     for($i = 0; $i < $result->length; $i++) {
       $attribute = $result->item($i);

api/fedora_utils.inc

@@ -85,20 +85,41 @@ function fix_encoding($in_str) {
   }
 } 
 
-  function validPid($pid) {
+function validPid($pid) {
   $valid = FALSE;
   if (strlen(trim($pid)) <= 64 && preg_match('/^([A-Za-z0-9]|-|\.)+:(([A-Za-z0-9])|-|\.|~|_|(%[0-9A-F]{2}))+$/', trim($pid))) {
     $valid = TRUE;
   }
 
   return $valid;
-  }
+}
 
- function validDsid($dsid) {
+function validDsid($dsid) {
   $valid = FALSE;
   if (strlen(trim($dsid)) <= 64 && preg_match('/^[a-zA-Z0-9\_\-\.]+$/', trim($dsid))) {
     $valid = TRUE;
   }
 
   return $valid;
-  }
+}
+
+function fixDsid($dsid) {
+  $new_dsid = trim($dsid);
+
+  $find = '/[^a-zA-Z0-9\.\_\-]/';
+  $replace = '';
+  $new_dsid = preg_replace($find, $replace, $new_dsid);
+
+  if( strlen($new_dsid) > 63 )
+    $new_dsid = substr($new_dsid, -63);
+
+  if( preg_match('/^[^a-zA-Z]/', $dsid ) )
+    $new_dsid = 'x' . $new_dsid;
+
+  if( strlen($new_dsid) == 0 )
+    $new_dsid = 'item' . rand(1, 100);
+
+  return $new_dsid;
+
+}
+