Add class QPDF_Unresolved

Allow QPDFObjectHandle::obj to be set prior resolving object.

ot_unresolved has been appended to the list object types in order to
preserve the output of existing test cases.

2 files changed, 3 insertions, 0 deletions

diff --git a/include/qpdf/Constants.h b/include/qpdf/Constants.h
index 5d2113bd..cf6bdaef 100644
--- a/include/qpdf/Constants.h
+++ b/include/qpdf/Constants.h
@@ -82,6 +82,8 @@ enum qpdf_object_type_e {
     /* Additional object types that can occur in content streams */
     ot_operator,
     ot_inlineimage,
+    /* Object types internal to qpdf */
+    ot_unresolved,
     /* NOTE: if adding to this list, update QPDFObject.hh */
 };
 
diff --git a/include/qpdf/QPDFObject.hh b/include/qpdf/QPDFObject.hh
index eb7c4b90..8b6f7403 100644
--- a/include/qpdf/QPDFObject.hh
+++ b/include/qpdf/QPDFObject.hh
@@ -61,6 +61,7 @@ class QPDFObject
     static constexpr object_type_e ot_stream = ::ot_stream;
     static constexpr object_type_e ot_operator = ::ot_operator;
     static constexpr object_type_e ot_inlineimage = ::ot_inlineimage;
+    static constexpr object_type_e ot_unresolved = ::ot_unresolved;
 
     virtual ~QPDFObject() = default;
     virtual std::shared_ptr<QPDFObject> shallowCopy() = 0;