somewhat self-cleaning temp dir

[blank.git] / src / io / filesystem.hpp

diff --git a/src/io/filesystem.hpp b/src/io/filesystem.hpp
index 3829e0deab46a2f0c316f7f2496f744b328c4bea..d7fe184da71bf0be3c9898261184e5a853a055ab 100644 (file)
--- a/src/io/filesystem.hpp
+++ b/src/io/filesystem.hpp
@@ -1,6 +1,7 @@
 #ifndef BLANK_IO_FILESYSTEM_HPP_
 #define BLANK_IO_FILESYSTEM_HPP_
 
+#include <ctime>
 #include <string>
 
 
@@ -16,6 +17,11 @@ bool is_file(const char *);
 inline bool is_file(const std::string &s) {
        return is_file(s.c_str());
 }
+/// get timestamp of last modification
+std::time_t file_mtime(const char *);
+inline std::time_t file_mtime(const std::string &s) {
+       return file_mtime(s.c_str());
+}
 
 /// create given directory
 /// @return true if the directory was created
@@ -28,6 +34,35 @@ inline bool make_dir(const std::string &s) {
 /// @return true if the directory was created or already exists
 bool make_dirs(const std::string &);
 
+/// remove given file
+/// @return true on success
+bool remove_file(const std::string &);
+/// recursively remove given directory
+/// may leave the directory partially removed on failure
+/// @return true if the directory was completely removed
+bool remove_dir(const std::string &);
+
+
+/// Create a temporary directory with lifetime tie to the instance's.
+/// Note that the directory may survive its object if removal fails
+/// for any reason, e.g. another process changing permissions.
+class TempDir {
+
+public:
+       TempDir();
+       ~TempDir();
+
+       TempDir(const TempDir &) = delete;
+       TempDir &operator =(const TempDir &) = delete;
+
+public:
+       const std::string &Path() const noexcept { return path; }
+
+private:
+       std::string path;
+
+};
+
 }
 
 #endif