From 9af9f028eba08982fe04229ff96d8452331ce7a9 Mon Sep 17 00:00:00 2001
From: Michael Davidsaver <mdavidsaver@gmail.com>
Date: Sat, 14 Dec 2019 16:37:04 -0800
Subject: [PATCH] from_wire_type_value

---
 src/dataencode.cpp | 22 ++++++++++++++++++++++
 src/dataimpl.h     |  2 ++
 2 files changed, 24 insertions(+)

diff --git a/src/dataencode.cpp b/src/dataencode.cpp
index bfa0d31..71dcecf 100644
--- a/src/dataencode.cpp
+++ b/src/dataencode.cpp
@@ -697,6 +697,28 @@ void from_wire_valid(Buffer& buf, TypeStore& ctxt, Value& val)
     }
 }
 
+void from_wire_type_value(Buffer& buf, TypeStore& ctxt, Value& val)
+{
+    std::shared_ptr<std::vector<FieldDesc>> descs(new std::vector<FieldDesc>);
+    TypeDeserContext dc{*descs, ctxt};
+
+    from_wire(buf, dc);
+    if(!buf.good())
+        return;
+
+    if(!descs->empty()) {
+        FieldDesc_calculate_offset(descs->data());
+
+        std::shared_ptr<const FieldDesc> stype(descs, descs->data()); // alias
+        val = Value::Helper::build(stype);
+
+        from_wire_full(buf, ctxt, val);
+
+    } else {
+        val = Value();
+    }
+}
+
 }} // namespace pvxs::impl
 
 #endif // DATAENCODE_H
diff --git a/src/dataimpl.h b/src/dataimpl.h
index 2f7a9e2..5260b7b 100644
--- a/src/dataimpl.h
+++ b/src/dataimpl.h
@@ -156,6 +156,8 @@ void from_wire_full(Buffer& buf, TypeStore& ctxt, Value& val);
 PVXS_API
 void from_wire_valid(Buffer& buf, TypeStore& ctxt, Value& val);
 
+PVXS_API
+void from_wire_type_value(Buffer& buf, TypeStore& ctxt, Value& val);
 
 PVXS_API
 void FieldDesc_calculate_offset(FieldDesc* top);