feat add Path

include/sled/filesystem/path.h

@@ -0,0 +1,24 @@
+#pragma once
+#ifndef SLED_FILESYSTEM_PATH_H
+#define SLED_FILESYSTEM_PATH_H
+
+#include <string>
+
+namespace sled {
+class Path {
+public:
+    // cwd = current working directory
+    static Path Current();
+    static Path Home();
+    static Path TempDir();
+
+    Path();
+    Path(const std::string &path);
+
+    std::string ToString() const { return path_; };
+
+private:
+    std::string path_;
+};
+}// namespace sled
+#endif// SLED_FILESYSTEM_PATH_H

include/sled/filesystem/temporary_file.h

@@ -0,0 +1,13 @@
+#pragma once
+#ifndef SLED_FILESYSTEM_TEMPORARY_FILE_H
+#define SLED_FILESYSTEM_TEMPORARY_FILE_H
+
+#include <string>
+
+namespace sled {
+class TemporaryFile {
+    TemporaryFile();
+    TemporaryFile(const std::string &tmp_dir);
+};
+}// namespace sled
+#endif// SLED_FILESYSTEM_TEMPORARY_FILE_H