add ITF (less than 14 digit) support (#636)

src/ios/CDVBarcodeScanner.mm

@@ -510,7 +510,7 @@ - (NSString*)setUpCaptureSession {
     else {
         return @"unable to add video capture output to session";
     }
-    
+
     [output setMetadataObjectTypes:[self formatObjectTypes]];
 
     // setup capture preview layer
@@ -585,7 +585,9 @@ - (NSString*)formatStringFromMetadata:(AVMetadataMachineReadableCodeObject*)form
     if (format.type == AVMetadataObjectTypeCode128Code)     return @"CODE_128";
     if (format.type == AVMetadataObjectTypeCode93Code)      return @"CODE_93";
     if (format.type == AVMetadataObjectTypeCode39Code)      return @"CODE_39";
-    if (format.type == AVMetadataObjectTypeITF14Code)          return @"ITF";
+    if (format.type == AVMetadataObjectTypeInterleaved2of5Code) return @"ITF";
+    if (format.type == AVMetadataObjectTypeITF14Code)          return @"ITF_14";
+
     if (format.type == AVMetadataObjectTypePDF417Code)      return @"PDF_417";
     return @"???";
 }
@@ -598,9 +600,9 @@ - (NSArray*) formatObjectTypes {
     if (self.formats != nil) {
         supportedFormats = [self.formats componentsSeparatedByString:@","];
     }
-    
+
     NSMutableArray * formatObjectTypes = [NSMutableArray array];
-    
+
     if (self.formats == nil || [supportedFormats containsObject:@"QR_CODE"]) [formatObjectTypes addObject:AVMetadataObjectTypeQRCode];
     if (self.formats == nil || [supportedFormats containsObject:@"AZTEC"]) [formatObjectTypes addObject:AVMetadataObjectTypeAztecCode];
     if (self.formats == nil || [supportedFormats containsObject:@"DATA_MATRIX"]) [formatObjectTypes addObject:AVMetadataObjectTypeDataMatrixCode];
@@ -610,9 +612,10 @@ - (NSArray*) formatObjectTypes {
     if (self.formats == nil || [supportedFormats containsObject:@"CODE_128"]) [formatObjectTypes addObject:AVMetadataObjectTypeCode128Code];
     if (self.formats == nil || [supportedFormats containsObject:@"CODE_93"]) [formatObjectTypes addObject:AVMetadataObjectTypeCode93Code];
     if (self.formats == nil || [supportedFormats containsObject:@"CODE_39"]) [formatObjectTypes addObject:AVMetadataObjectTypeCode39Code];
-    if (self.formats == nil || [supportedFormats containsObject:@"ITF"]) [formatObjectTypes addObject:AVMetadataObjectTypeITF14Code];
+    if (self.formats == nil || [supportedFormats containsObject:@"ITF"]) [formatObjectTypes addObject:AVMetadataObjectTypeInterleaved2of5Code];
+    if (self.formats == nil || [supportedFormats containsObject:@"ITF_14"]) [formatObjectTypes addObject:AVMetadataObjectTypeITF14Code];
     if (self.formats == nil || [supportedFormats containsObject:@"PDF_417"]) [formatObjectTypes addObject:AVMetadataObjectTypePDF417Code];
-    
+
     return formatObjectTypes;
 }
 
@@ -795,16 +798,16 @@ - (UIView *)buildOverlayViewFromXib
         NSLog(@"%@", @"An error occurred loading the overlay xib.  It appears that the overlayView outlet is not set.");
         return nil;
     }
-	
+
 	self.overlayView.autoresizesSubviews = YES;
     self.overlayView.autoresizingMask    = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
     self.overlayView.opaque              = NO;
-	
+
 	CGRect bounds = self.view.bounds;
     bounds = CGRectMake(0, 0, bounds.size.width, bounds.size.height);
-	
+
 	[self.overlayView setFrame:bounds];
-	
+
     return self.overlayView;
 }