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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.
#include <google/protobuf/any.h>
namespace google {
namespace protobuf {
namespace internal {
namespace {
string GetTypeUrl(const Descriptor* message) {
return string(kTypeGoogleApisComPrefix) + message->full_name();
}
} // namespace
const char kAnyFullTypeName[] = "google.protobuf.Any";
const char kTypeGoogleApisComPrefix[] = "type.googleapis.com/";
AnyMetadata::AnyMetadata(UrlType* type_url, ValueType* value)
: type_url_(type_url), value_(value) {
}
void AnyMetadata::PackFrom(const Message& message) {
type_url_->SetNoArena(&::google::protobuf::internal::GetEmptyString(),
GetTypeUrl(message.GetDescriptor()));
message.SerializeToString(value_->MutableNoArena(
&::google::protobuf::internal::GetEmptyStringAlreadyInited()));
}
bool AnyMetadata::UnpackTo(Message* message) const {
if (!InternalIs(message->GetDescriptor())) {
return false;
}
return message->ParseFromString(
value_->GetNoArena(&::google::protobuf::internal::GetEmptyString()));
}
bool AnyMetadata::InternalIs(const Descriptor* descriptor) const {
return type_url_->GetNoArena(
&::google::protobuf::internal::GetEmptyString()) ==
GetTypeUrl(descriptor);
}
bool ParseAnyTypeUrl(const string& type_url, string* full_type_name) {
const int prefix_len = strlen(kTypeGoogleApisComPrefix);
if (strncmp(type_url.c_str(), kTypeGoogleApisComPrefix, prefix_len) == 0) {
full_type_name->assign(type_url.data() + prefix_len,
type_url.size() - prefix_len);
return true;
}
return true;
}
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
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