LogName.h

Go to the documentation of this file.

/*
 * Copyright 2017-present Facebook, Inc.
 *
 * 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.
 */
#pragma once

#include <folly/Range.h>

namespace folly {

class LogName {
 public:
  static std::string canonicalize(folly::StringPiece name);

  static size_t hash(folly::StringPiece name);

  static int cmp(folly::StringPiece nameA, folly::StringPiece nameB);

  static folly::StringPiece getParent(folly::StringPiece name);

  struct Hash {
    size_t operator()(folly::StringPiece key) const {
      return LogName::hash(key);
    }
  };

  struct Equals {
    bool operator()(folly::StringPiece a, folly::StringPiece b) const {
      return LogName::cmp(a, b) == 0;
    }
  };
};
} // namespace folly