src/iceberg/util/location_util.h

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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

/// \file iceberg/util/location_util.h
/// \brief Provide location path utilities.

#include <string_view>

#include "iceberg/iceberg_export.h"

namespace iceberg {

class ICEBERG_EXPORT LocationUtil {
 public:
  /// \brief Extract the URI scheme from a location.
  ///
  /// This follows Java's ResolvingFileIO: the text before the first colon is
  /// the scheme; an empty result means that no scheme was found. Text that is
  /// not syntactically a scheme (RFC 3986) yields no scheme, and on Windows a
  /// single letter is a drive rather than a scheme. The rest of the location is
  /// not validated.
  static std::string_view ParseScheme(std::string_view location);

  static std::string_view StripTrailingSlash(std::string_view path) {
    if (path.empty()) {
      return "";
    }

    while (path.ends_with("/") && !path.ends_with("://")) {
      path.remove_suffix(1);
    }
    return path;
  }
};

}  // namespace iceberg