File indexing completed on 2024-05-19 05:42:02

0001 // ct_lvtclp_fileutil.h                                                -*-C++-*-
0002 
0003 /*
0004 // Copyright 2023 Codethink Ltd <codethink@codethink.co.uk>
0005 // SPDX-License-Identifier: Apache-2.0
0006 //
0007 // Licensed under the Apache License, Version 2.0 (the "License");
0008 // you may not use this file except in compliance with the License.
0009 // You may obtain a copy of the License at
0010 //
0011 //     http://www.apache.org/licenses/LICENSE-2.0
0012 //
0013 // Unless required by applicable law or agreed to in writing, software
0014 // distributed under the License is distributed on an "AS IS" BASIS,
0015 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0016 // See the License for the specific language governing permissions and
0017 // limitations under the License.
0018 */
0019 
0020 #ifndef INCLUDED_CT_LVTCLP_FILEUTIL
0021 #define INCLUDED_CT_LVTCLP_FILEUTIL
0022 
0023 // Helper functions for dealing with paths
0024 #include <lvtclp_export.h>
0025 
0026 #include <filesystem>
0027 #include <vector>
0028 
0029 namespace Codethink::lvtclp {
0030 
0031 // ================
0032 // struct FileUtil
0033 // ================
0034 
0035 struct LVTCLP_EXPORT FileUtil {
0036     // This struct groups functions for dealing with files
0037 
0038   public:
0039     // CLASS METHODS
0040 
0041     static bool pathStartsWith(const std::filesystem::path& prefix, const std::filesystem::path& path);
0042     // Returns true if path starts with prefix
0043     // path and prefix should be canonical
0044 
0045     static std::filesystem::path nonPrefixPart(const std::filesystem::path& prefix, const std::filesystem::path& path);
0046     // Returns the suffix of path which isn't in the prefix
0047     // e.g. path: /foo/bar/baz, prefix = /foo -> bar/baz
0048     // path and prefix should be canonical
0049 
0050     static std::filesystem::path commonParent(const std::vector<std::filesystem::path>& paths);
0051     // Finds the common parent path of all of the supplied paths
0052     // The paths should be canonical
0053 };
0054 
0055 } // end namespace Codethink::lvtclp
0056 
0057 #endif // !INCLUDED_CT_LVTCLP_FILEUTIL