chromium/third_party/protobuf/src/google/protobuf/any.h

// Protocol Buffers - Google's data interchange format
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#ifndef GOOGLE_PROTOBUF_ANY_H__
#define GOOGLE_PROTOBUF_ANY_H__

#include <string>

#include <google/protobuf/stubs/common.h>
#include <google/protobuf/arenastring.h>
#include <google/protobuf/message_lite.h>

// Must be included last.
#include <google/protobuf/port_def.inc>

namespace google {
namespace protobuf {

class FieldDescriptor;
class Message;

namespace internal {

PROTOBUF_EXPORT extern const char kAnyFullTypeName[];          // "google.protobuf.Any".
PROTOBUF_EXPORT extern const char kTypeGoogleApisComPrefix[];  // "type.googleapis.com/".
PROTOBUF_EXPORT extern const char kTypeGoogleProdComPrefix[];  // "type.googleprod.com/".

std::string GetTypeUrl(StringPiece message_name,
                       StringPiece type_url_prefix);

// Helper class used to implement google::protobuf::Any.
class PROTOBUF_EXPORT AnyMetadata { … };

// 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 the type_url does not have a "/"
// in the type url separating the full type name.
//
// NOTE: this function is available publicly as a static method on the
// generated message type: google::protobuf::Any::ParseAnyTypeUrl()
bool ParseAnyTypeUrl(StringPiece type_url, std::string* full_type_name);

// Get the proto type name and prefix from Any::type_url value. For example,
// passing "type.googleapis.com/rpc.QueryOrigin" will return
// "type.googleapis.com/" in *url_prefix and "rpc.QueryOrigin" in
// *full_type_name. Returns false if the type_url does not have a "/" in the
// type url separating the full type name.
bool ParseAnyTypeUrl(StringPiece type_url, std::string* url_prefix,
                     std::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

#include <google/protobuf/port_undef.inc>

#endif  // GOOGLE_PROTOBUF_ANY_H__