From 895a753cd531fc2ad43365299775910c2ce04efa Mon Sep 17 00:00:00 2001
From: Emulator000
Date: Thu, 24 Sep 2020 00:35:10 +0200
Subject: Handling of unknown fields

---
 src/lib.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index d786957..59c36f9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -36,6 +36,7 @@ pub enum FieldType {
     ListBox,
     ComboBox,
     Text,
+    Unknown,
 }
 
 #[derive(Debug, Error)]
@@ -102,6 +103,8 @@ pub enum FieldState {
         readonly: bool,
         required: bool,
     },
+    /// Unknown fields have no state
+    Unknown,
 }
 
 trait PdfObjectDeref {
@@ -206,8 +209,10 @@ impl Form {
             } else {
                 FieldType::ListBox
             }
-        } else {
+        } else if type_str == "Tx" {
             FieldType::Text
+        } else {
+            FieldType::Unknown
         }
     }
 
@@ -398,6 +403,7 @@ impl Form {
                 readonly: is_read_only(field),
                 required: is_required(field),
             },
+            FieldType::Unknown => FieldState::Unknown,
         }
     }
 
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