From 2d10fa33071d52d7a35ce3b13bc459cd16a0aa33 Mon Sep 17 00:00:00 2001 From: Josh Haberman Date: Thu, 26 Jun 2014 20:24:32 -0700 Subject: Sync from internal Google development. --- upb/bindings/googlepb/proto1.int.h | 45 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 upb/bindings/googlepb/proto1.int.h (limited to 'upb/bindings/googlepb/proto1.int.h') diff --git a/upb/bindings/googlepb/proto1.int.h b/upb/bindings/googlepb/proto1.int.h new file mode 100644 index 0000000..64ebb2f --- /dev/null +++ b/upb/bindings/googlepb/proto1.int.h @@ -0,0 +1,45 @@ +// +// upb - a minimalist implementation of protocol buffers. +// +// Copyright (c) 2011-2012 Google Inc. See LICENSE for details. +// Author: Josh Haberman +// +// Support for registering field handlers that can write into a legacy proto1 +// message. This functionality is only needed inside Google. +// +// This is an internal-only interface. + +#ifndef UPB_GOOGLE_PROTO1_H_ +#define UPB_GOOGLE_PROTO1_H_ + +namespace proto2 { +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 TrySetProto1WriteHandlers(const proto2::FieldDescriptor* proto2_f, + const proto2::Message& prototype, + const upb::FieldDef* upb_f, upb::Handlers* h); + +// Returns a prototype for the given this (possibly-weak) field. Returns NULL +// if this is not a submessage field of any kind (weak or no). +const proto2::Message* GetProto1FieldPrototype( + const proto2::Message& m, const proto2::FieldDescriptor* f); + +} // namespace googlepb +} // namespace upb + +#endif // UPB_GOOGLE_PROTO1_H_ -- cgit v1.2.3