From 2d10fa33071d52d7a35ce3b13bc459cd16a0aa33 Mon Sep 17 00:00:00 2001
From: Josh Haberman <jhaberman@gmail.com>
Date: Thu, 26 Jun 2014 20:24:32 -0700
Subject: Sync from internal Google development.

---
 upb/bindings/googlepb/proto2.int.h | 59 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 upb/bindings/googlepb/proto2.int.h

(limited to 'upb/bindings/googlepb/proto2.int.h')

diff --git a/upb/bindings/googlepb/proto2.int.h b/upb/bindings/googlepb/proto2.int.h
new file mode 100644
index 0000000..5ce44c4
--- /dev/null
+++ b/upb/bindings/googlepb/proto2.int.h
@@ -0,0 +1,59 @@
+//
+// upb - a minimalist implementation of protocol buffers.
+//
+// Copyright (c) 2011-2012 Google Inc.  See LICENSE for details.
+// Author: Josh Haberman <jhaberman@gmail.com>
+//
+// Support for registering field handlers that can write into a proto2
+// message that uses GeneratedMessageReflection (which includes all messages
+// generated by the proto2 compiler as well as DynamicMessage).
+//
+// This is an internal-only interface.
+
+#ifndef UPB_GOOGLE_PROTO2_H_
+#define UPB_GOOGLE_PROTO2_H_
+
+namespace proto2 {
+class FieldDescriptor;
+class Message;
+}
+
+namespace google {
+namespace protobuf {
+class FieldDescriptor;
+class Message;
+}
+}
+
+namespace upb {
+class FieldDef;
+class Handlers;
+}
+
+namespace upb {
+namespace googlepb {
+
+// Sets field handlers in the given Handlers object for writing to a single
+// field (as described by "proto2_f" and "upb_f") into a message constructed
+// by the same factory as "prototype."  Returns true if this was successful
+// (this will fail if "prototype" is not a proto1 message, or if we can't
+// handle it for some reason).
+bool TrySetWriteHandlers(const proto2::FieldDescriptor* proto2_f,
+                         const proto2::Message& prototype,
+                         const upb::FieldDef* upb_f, upb::Handlers* h);
+bool TrySetWriteHandlers(const ::google::protobuf::FieldDescriptor* proto2_f,
+                         const ::google::protobuf::Message& prototype,
+                         const upb::FieldDef* upb_f, upb::Handlers* h);
+
+// Returns a prototype for the given field in "m", if the given message uses
+// GeneratedMessageReflection.  Otherwise returns NULL.
+const proto2::Message* GetProto2FieldPrototype(
+    const proto2::Message& m, const proto2::FieldDescriptor* f);
+const ::google::protobuf::Message* GetProto2FieldPrototype(
+    const ::google::protobuf::Message& m,
+    const ::google::protobuf::FieldDescriptor* f);
+
+}  // namespace googlepb
+}  // namespace upb
+
+#endif  // UPB_GOOGLE_PROTO2_H_
-- 
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