From f519864e0492af758108c48c1ddeb1356f1c03b3 Mon Sep 17 00:00:00 2001
From: Paul Cristian Sarbu <paul.cristian.sarbu@huawei.com>
Date: Wed, 31 Aug 2022 09:37:13 +0200
Subject: Utils: Add class handling tmp directories

---
 src/utils/cpp/tmp_dir.hpp | 54 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 src/utils/cpp/tmp_dir.hpp

(limited to 'src/utils/cpp/tmp_dir.hpp')

diff --git a/src/utils/cpp/tmp_dir.hpp b/src/utils/cpp/tmp_dir.hpp
new file mode 100644
index 00000000..b0dd5e5e
--- /dev/null
+++ b/src/utils/cpp/tmp_dir.hpp
@@ -0,0 +1,54 @@
+// Copyright 2022 Huawei Cloud Computing Technology Co., Ltd.
+//
+// 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 INCLUDED_SRC_OTHER_TOOLS_TMP_DIR_HPP
+#define INCLUDED_SRC_OTHER_TOOLS_TMP_DIR_HPP
+
+#include <cstdlib>
+#include <filesystem>
+#include <optional>
+#include <string>
+
+std::string const kDefaultTemplate{"tmp.XXXXXX"};
+
+class TmpDir;
+using TmpDirPtr = std::shared_ptr<TmpDir const>;
+
+class TmpDir {
+  public:
+    // default ctor; not to be used!
+    TmpDir() = default;
+
+    /// \brief Destroy the TmpDir object. It tries to remove the tmp folder.
+    ~TmpDir() noexcept;
+
+    // no copies, only moves
+    TmpDir(TmpDir const&) = delete;
+    TmpDir(TmpDir&& other) noexcept = default;
+    auto operator=(TmpDir const&) = delete;
+    auto operator=(TmpDir&& other) noexcept -> TmpDir& = default;
+
+    [[nodiscard]] auto GetPath() const noexcept -> std::filesystem::path;
+
+    /// \brief Creates a completely unique directory in a given prefix path.
+    [[nodiscard]] static auto Create(
+        std::filesystem::path const& prefix,
+        std::string const& dir_template = kDefaultTemplate) noexcept
+        -> TmpDirPtr;
+
+  private:
+    std::filesystem::path tmp_dir_{};
+};
+
+#endif  // INCLUDED_SRC_OTHER_TOOLS_TMP_DIR_HPP
\ No newline at end of file
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