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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_UTIL_UNKNOWN_ENUM_IMPL_H__
#define GOOGLE_PROTOBUF_UTIL_UNKNOWN_ENUM_IMPL_H__
#include <stdlib.h>
#include <google/protobuf/stubs/common.h>
#include <google/protobuf/bridge/compatibility_mode_support.h>
namespace google {
namespace protobuf {
// google/protobuf/message.h
class Message;
namespace util {
// NOTE: You should not call these functions directly. Instead use either
// HAS_UNKNOWN_ENUM() or GET_UNKNOWN_ENUM(), defined in the public header.
// The macro-versions operate in a type-safe manner and behave appropriately
// for the proto version of the message, whereas these versions assume a
// specific proto version and allow the caller to pass in any arbitrary integer
// value as a field number.
//
// Returns whether the message has unrecognized the enum value for a given
// field. It also stores the value into the unknown_value parameter if the
// function returns true and the pointer is not NULL.
//
// In proto2, invalid enum values will be treated as unknown fields. This
// function checks that case.
bool HasUnknownEnum(const Message& message, int32 field_number,
int32* unknown_value = NULL);
// Same as above, but returns all unknown enums.
bool GetRepeatedEnumUnknowns(const Message& message, int32 field_number,
vector<int32>* unknown_values = NULL);
// In proto1, invalue enum values are stored in the same way as valid enum
// values.
// TODO(karner): Delete this once the migration to proto2 is complete.
bool HasUnknownEnumProto1(const Message& message, int32 field_number,
int32* unknown_value);
// Same as above, but returns all unknown enums.
bool GetRepeatedEnumUnknownsProto1(const Message& message, int32 field_number,
vector<int32>* unknown_values);
// Invokes the appropriate version based on whether the message is proto1
// or proto2.
template <typename T>
bool HasUnknownEnum_Template(const T& message, int32 field_number,
int32* unknown_value = NULL) {
if (internal::is_base_of<bridge::internal::Proto1CompatibleMessage, T>::value ||
!internal::is_base_of<ProtocolMessage, T>::value) {
return HasUnknownEnum(message, field_number, unknown_value);
} else {
return HasUnknownEnumProto1(message, field_number, unknown_value);
}
}
// Invokes the appropriate version based on whether the message is proto1
// or proto2.
template <typename T>
bool GetRepeatedEnumUnknowns_Template(
const T& message, int32 field_number,
vector<int32>* unknown_values = NULL) {
if (internal::is_base_of<bridge::internal::Proto1CompatibleMessage, T>::value ||
!internal::is_base_of<ProtocolMessage, T>::value) {
return GetRepeatedEnumUnknowns(message, field_number, unknown_values);
} else {
return GetRepeatedEnumUnknownsProto1(message, field_number,
unknown_values);
}
}
// NOTE: You should not call these functions directly. Instead use
// CLEAR_UNKNOWN_ENUM(), defined in the public header. The macro-versions
// operate in a type-safe manner and behave appropriately for the proto
// version of the message, whereas these versions assume a specific proto
// version and allow the caller to pass in any arbitrary integer value as a
// field number.
//
// Clears the unknown entries of the given field of the message.
void ClearUnknownEnum(Message* message, int32 field_number);
// In proto1, clears the field if the value is out of range.
// TODO(karner): Delete this or make it proto2-only once the migration
// to proto2 is complete.
void ClearUnknownEnumProto1(Message* message, int32 field_number);
template <typename T>
void ClearUnknownEnum_Template(T* message, int32 field_number) {
if (internal::is_base_of<bridge::internal::Proto1CompatibleMessage, T>::value ||
!internal::is_base_of<ProtocolMessage, T>::value) {
ClearUnknownEnum(message, field_number);
} else {
ClearUnknownEnumProto1(message, field_number);
}
}
// NOTE: You should not call these functions directly. Instead use
// SET_UNKNOWN_ENUM(), defined in the public header. The macro-versions
// operate in a type-safe manner and behave appropriately for the proto
// version of the message, whereas these versions assume a specific proto
// version and allow the caller to pass in any arbitrary integer value as a
// field number.
//
// Sets the given value in the unknown fields of the message.
void SetUnknownEnum(Message* message, int32 field_number, int32 unknown_value);
// In proto1, invalue enum values are stored in the same way as valid enum
// values.
// TODO(karner): Delete this once the migration to proto2 is complete.
void SetUnknownEnumProto1(Message* message, int32 field_number,
int32 unknown_value);
// Invokes the appropriate version based on whether the message is proto1
// or proto2.
template <typename T>
void SetUnknownEnum_Template(T* message, int32 field_number,
int32 unknown_value) {
if (internal::is_base_of<bridge::internal::Proto1CompatibleMessage, T>::value ||
!internal::is_base_of<ProtocolMessage, T>::value) {
SetUnknownEnum(message, field_number, unknown_value);
} else {
SetUnknownEnumProto1(message, field_number, unknown_value);
}
}
} // namespace util
} // namespace protobuf
} // namespace google
#endif // GOOGLE_PROTOBUF_UTIL_UNKNOWN_ENUM_IMPL_H__
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