text: // 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.
  
  #include <google/protobuf/any.h>
  
  #include <google/protobuf/arenastring.h>
  #include <google/protobuf/descriptor.h>
  #include <google/protobuf/generated_message_util.h>
  #include <google/protobuf/message.h>
  
  #include <google/protobuf/port_def.inc>
  
  namespace google {
  namespace protobuf {
  namespace internal {
  
  void AnyMetadata::PackFrom(const Message& message) {
    PackFrom(message, kTypeGoogleApisComPrefix);
  }
  
  void AnyMetadata::PackFrom(const Message& message,
                             StringPiece type_url_prefix) {
    type_url_->Set(
        &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyString(),
        GetTypeUrl(message.GetDescriptor()->full_name(), type_url_prefix),
        nullptr);
    message.SerializeToString(
        value_->Mutable(ArenaStringPtr::EmptyDefault{}, nullptr));
  }
  
  bool AnyMetadata::UnpackTo(Message* message) const {
    if (!InternalIs(message->GetDescriptor()->full_name())) {
      return false;
    }
    return message->ParseFromString(value_->Get());
  }
  
  bool GetAnyFieldDescriptors(const Message& message,
                              const FieldDescriptor** type_url_field,
                              const FieldDescriptor** value_field) {
    const Descriptor* descriptor = message.GetDescriptor();
    if (descriptor->full_name() != kAnyFullTypeName) {
      return false;
    }
    *type_url_field = descriptor->FindFieldByNumber(1);
    *value_field = descriptor->FindFieldByNumber(2);
    return (*type_url_field != NULL &&
            (*type_url_field)->type() == FieldDescriptor::TYPE_STRING &&
            *value_field != NULL &&
            (*value_field)->type() == FieldDescriptor::TYPE_BYTES);
  }
  
  }  // namespace internal
  }  // namespace protobuf
  }  // namespace google
  