arrow/filesystem/type_fwd.h

0001 // Licensed to the Apache Software Foundation (ASF) under one
0002 // or more contributor license agreements.  See the NOTICE file
0003 // distributed with this work for additional information
0004 // regarding copyright ownership.  The ASF licenses this file
0005 // to you under the Apache License, Version 2.0 (the
0006 // "License"); you may not use this file except in compliance
0007 // with the License.  You may obtain a copy of the License at
0008 //
0009 //   http://www.apache.org/licenses/LICENSE-2.0
0010 //
0011 // Unless required by applicable law or agreed to in writing,
0012 // software distributed under the License is distributed on an
0013 // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
0014 // KIND, either express or implied.  See the License for the
0015 // specific language governing permissions and limitations
0016 // under the License.
0017
0018 #pragma once
0019
0020 #include <cstdint>
0021
0022 namespace arrow {
0023 namespace fs {
0024
0025 /// \brief FileSystem entry type
0026 enum class FileType : int8_t {
0027   /// Entry is not found
0028   NotFound,
0029   /// Entry exists but its type is unknown
0030   ///
0031   /// This can designate a special file such as a Unix socket or character
0032   /// device, or Windows NUL / CON / ...
0033   Unknown,
0034   /// Entry is a regular file
0035   File,
0036   /// Entry is a directory
0037   Directory
0038 };
0039
0040 struct FileInfo;
0041
0042 struct FileSelector;
0043
0044 class FileSystem;
0045 class AzureFileSystem;
0046 class GcsFileSystem;
0047 class LocalFileSystem;
0048 class S3FileSystem;
0049 class SlowFileSystem;
0050 class SubTreeFileSystem;
0051
0052 }  // namespace fs
0053 }  // namespace arrow