src/trace_processor/stdlib/utils.h

/*
 * Copyright (C) 2022 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_STDLIB_UTILS_H_
#define SRC_TRACE_PROCESSOR_STDLIB_UTILS_H_

#include <string>

#include "perfetto/ext/base/flat_hash_map.h"
#include "perfetto/ext/base/string_splitter.h"
#include "perfetto/ext/base/string_view.h"
#include "src/trace_processor/stdlib/amalgamated_stdlib.h"

namespace perfetto {
namespace trace_processor {
namespace stdlib {

struct LibFile {
  std::string sql;
  bool imported;
};

inline std::string ReplaceSlashWithDot(std::string str) {
  size_t found = str.find('/');
  while (found != std::string::npos) {
    str.replace(found, 1, ".");
    found = str.find('/');
  }
  return str;
}

inline std::string GetImportKey(std::string path) {
  base::StringView path_view(path);
  auto path_no_extension = path_view.substr(0, path_view.rfind('.'));
  return ReplaceSlashWithDot(path_no_extension.ToStdString());
}

inline base::FlatHashMap<std::string, LibFile> SetupStdLib() {
  base::FlatHashMap<std::string, LibFile> lib_files;
  for (const auto& file_to_sql : stdlib::kFileToSql) {
    lib_files.Insert(GetImportKey(file_to_sql.path), {file_to_sql.sql, false});
  }
  return lib_files;
}

}  // namespace stdlib
}  // namespace trace_processor
}  // namespace perfetto
#endif  // SRC_TRACE_PROCESSOR_STDLIB_UTILS_H_