Add method BaseHandle::null

m-holger
1 parent 86e7cacf
Showing 2 changed files with 7 additions and 0 deletions
include/qpdf/ObjectHandle.hh
libqpdf/qpdf/QPDFObjectHandle_private.hh
@@ -53,6 +53,7 @@ namespace qpdf
  
         // The rest of the header file is for qpdf internal use only.
  
+        inline bool null() const;
         inline qpdf_object_type_e type_code() const;
  
       protected:
@@ -325,6 +325,12 @@ namespace qpdf
         return nullptr;
     }
  
+    inline bool
+    BaseHandle::null() const
+    {
+        return !obj || obj->getResolvedTypeCode() == ::ot_null;
+    }
+
     inline qpdf_object_type_e
     BaseHandle::type_code() const
     {