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/*
 *
 * Copyright 2017 gRPC authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

#ifndef GRPC_LIB_CHANNEL_STATUS_UTILS_H
#define GRPC_LIB_CHANNEL_STATUS_UTILS_H

#include <grpc/support/port_platform.h>

#include <grpc/status.h>

#include <stdbool.h>
#include <string.h>

/// If \a status_str is a valid status string, sets \a status to the
/// corresponding status value and returns true.
bool grpc_status_code_from_string(const char* status_str,
                                  grpc_status_code* status);

/// Returns the string form of \a status, or "UNKNOWN" if invalid.
const char* grpc_status_code_to_string(grpc_status_code status);

namespace grpc_core {
namespace internal {

/// A set of grpc_status_code values.
class StatusCodeSet {
 public:
  bool Empty() const { return status_code_mask_ == 0; }

  void Add(grpc_status_code status) { status_code_mask_ |= (1 << status); }

  bool Contains(grpc_status_code status) const {
    return status_code_mask_ & (1 << status);
  }

 private:
  int status_code_mask_ = 0;  // A bitfield of status codes in the set.
};

}  // namespace internal
}  // namespace grpc_core

#endif /* GRPC_LIB_CHANNEL_STATUS_UTILS_H */