backwards incompatible: ifd_enumerate.go: Drop fqIfdPath and ifdIndex from visitor function signature

v3/exif_test.go

@@ -67,7 +67,7 @@ func TestVisit(t *testing.T) {
 	tags := make([]string, 0)
 
 	// DEPRECATED(dustin): fqIfdPath and ifdIndex are now redundant. Remove in next module version.
-	visitor := func(fqIfdPath string, ifdIndex int, ite *IfdTagEntry) (err error) {
+	visitor := func(ite *IfdTagEntry) (err error) {
 		defer func() {
 			if state := recover(); state != nil {
 				err = log.Wrap(state.(error))

v3/ifd_enumerate.go

@@ -270,10 +270,8 @@ func (ie *IfdEnumerate) parseTag(ii *exifcommon.IfdIdentity, tagPosition int, bp
 	return ite, nil
 }
 
-// RELEASE(dustin): Drop fqIfdPath and ifdIndex arguments to visitor callback. They're both accessible on the IfdTagEntry struct.
-
 // TagVisitorFn is called for each tag when enumerating through the EXIF.
-type TagVisitorFn func(fqIfdPath string, ifdIndex int, ite *IfdTagEntry) (err error)
+type TagVisitorFn func(ite *IfdTagEntry) (err error)
 
 // tagPostParse do some tag-level processing here following the parse of each.
 func (ie *IfdEnumerate) tagPostParse(ite *IfdTagEntry, med *MiscellaneousExifData) (err error) {
@@ -422,7 +420,7 @@ func (ie *IfdEnumerate) parseIfd(ii *exifcommon.IfdIdentity, bp *byteParser, vis
 		tagId := ite.TagId()
 
 		if visitor != nil {
-			err := visitor(ii.String(), ii.Index(), ite)
+			err := visitor(ite)
 			log.PanicIf(err)
 		}
 

v3/utility.go

@@ -89,7 +89,7 @@ func GetFlatExifData(exifData []byte, so *ScanOptions) (exifTags []ExifTag, med
 
 	exifTags = make([]ExifTag, 0)
 
-	visitor := func(fqIfdPath string, ifdIndex int, ite *IfdTagEntry) (err error) {
+	visitor := func(ite *IfdTagEntry) (err error) {
 		// This encodes down to base64. Since this an example tool and we do not
 		// expect to ever decode the output, we are not worried about
 		// specifically base64-encoding it in order to have a measure of
@@ -113,7 +113,7 @@ func GetFlatExifData(exifData []byte, so *ScanOptions) (exifTags []ExifTag, med
 		}
 
 		et := ExifTag{
-			IfdPath:      fqIfdPath,
+			IfdPath:      ite.IfdPath(),
 			TagId:        ite.TagId(),
 			TagName:      ite.TagName(),
 			UnitCount:    ite.UnitCount(),