chromium/third_party/perfetto/src/trace_processor/containers/string_pool.h

/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * 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 SRC_TRACE_PROCESSOR_CONTAINERS_STRING_POOL_H_
#define SRC_TRACE_PROCESSOR_CONTAINERS_STRING_POOL_H_

#include <cstddef>
#include <cstdint>
#include <functional>
#include <limits>
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include <vector>

#include "perfetto/base/logging.h"
#include "perfetto/ext/base/flat_hash_map.h"
#include "perfetto/ext/base/hash.h"
#include "perfetto/ext/base/paged_memory.h"
#include "perfetto/ext/base/string_view.h"
#include "perfetto/protozero/proto_utils.h"
#include "src/trace_processor/containers/null_term_string_view.h"

namespace perfetto::trace_processor {

// Interns strings in a string pool and hands out compact StringIds which can
// be used to retrieve the string in O(1).
class StringPool { … };

}  // namespace perfetto::trace_processor

template <>
struct std::hash<::perfetto::trace_processor::StringPool::Id> { … };

#endif  // SRC_TRACE_PROCESSOR_CONTAINERS_STRING_POOL_H_