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-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc. All rights reserved.
-// https://developers.google.com/protocol-buffers/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#ifndef GOOGLE_PROTOBUF_ANY_H__
-#define GOOGLE_PROTOBUF_ANY_H__
-
-#include <string>
-
-#include <google/protobuf/stubs/common.h>
-#include <google/protobuf/descriptor.h>
-#include <google/protobuf/message.h>
-#include <google/protobuf/arenastring.h>
-
-namespace google {
-namespace protobuf {
-namespace internal {
-
-// Helper class used to implement google::protobuf::Any.
-class LIBPROTOBUF_EXPORT AnyMetadata {
- typedef ArenaStringPtr UrlType;
- typedef ArenaStringPtr ValueType;
- public:
- // AnyMetadata does not take ownership of "type_url" and "value".
- AnyMetadata(UrlType* type_url, ValueType* value);
-
- // Packs a message using the default type URL prefix: "type.googleapis.com".
- // The resulted type URL will be "type.googleapis.com/<message_full_name>".
- void PackFrom(const Message& message);
- // Packs a message using the given type URL prefix. The type URL will be
- // constructed by concatenating the message type's full name to the prefix
- // with an optional "/" separator if the prefix doesn't already end up "/".
- // For example, both PackFrom(message, "type.googleapis.com") and
- // PackFrom(message, "type.googleapis.com/") yield the same result type
- // URL: "type.googleapis.com/<message_full_name>".
- void PackFrom(const Message& message, const string& type_url_prefix);
-
- // Unpacks the payload into the given message. Returns false if the message's
- // type doesn't match the type specified in the type URL (i.e., the full
- // name after the last "/" of the type URL doesn't match the message's actaul
- // full name) or parsing the payload has failed.
- bool UnpackTo(Message* message) const;
-
- // Checks whether the type specified in the type URL matches the given type.
- // A type is consdiered matching if its full name matches the full name after
- // the last "/" in the type URL.
- template<typename T>
- bool Is() const {
- return InternalIs(T::default_instance().GetDescriptor());
- }
-
- private:
- bool InternalIs(const Descriptor* message) const;
-
- UrlType* type_url_;
- ValueType* value_;
-
- GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(AnyMetadata);
-};
-
-extern const char kAnyFullTypeName[]; // "google.protobuf.Any".
-extern const char kTypeGoogleApisComPrefix[]; // "type.googleapis.com/".
-extern const char kTypeGoogleProdComPrefix[]; // "type.googleprod.com/".
-
-// Get the proto type name from Any::type_url value. For example, passing
-// "type.googleapis.com/rpc.QueryOrigin" will return "rpc.QueryOrigin" in
-// *full_type_name. Returns false if type_url does not start with
-// "type.googleapis.com" or "type.googleprod.com".
-bool ParseAnyTypeUrl(const string& type_url, string* full_type_name);
-
-// See if message is of type google.protobuf.Any, if so, return the descriptors
-// for "type_url" and "value" fields.
-bool GetAnyFieldDescriptors(const Message& message,
- const FieldDescriptor** type_url_field,
- const FieldDescriptor** value_field);
-
-} // namespace internal
-} // namespace protobuf
-
-} // namespace google
-#endif // GOOGLE_PROTOBUF_ANY_H__