cmFileTimes: New RAII based cmFileTimes class

This adds a new RAII based cmFileTimes class.
It is supposed to replace the C style cmSystemToolsFileTime interface.

1 files changed, 40 insertions, 0 deletions

diff --git a/Source/cmFileTimes.h b/Source/cmFileTimes.h
new file mode 100644
index 0000000..cbf0fe2
--- /dev/null
+++ b/Source/cmFileTimes.h
@@ -0,0 +1,40 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#ifndef cmFileTimes_h
+#define cmFileTimes_h
+
+#include "cmConfigure.h" // IWYU pragma: keep
+
+#include <memory> // IWYU pragma: keep
+#include <string>
+
+/** \class cmFileTimes
+ * \brief Loads and stores file times.
+ */
+class cmFileTimes
+{
+public:
+  cmFileTimes();
+  //! Calls Load()
+  cmFileTimes(std::string const& fileName);
+  ~cmFileTimes();
+
+  //! @return true, if file times were loaded successfully
+  bool IsValid() const { return (times != nullptr); }
+  //! Try to load the file times from @a fileName and @return IsValid()
+  bool Load(std::string const& fileName);
+  //! Stores the file times at @a fileName (if IsValid())
+  bool Store(std::string const& fileName) const;
+
+  //! Copies the file times of @a fromFile to @a toFile
+  static bool Copy(std::string const& fromFile, std::string const& toFile);
+
+private:
+#ifdef _WIN32
+  class WindowsHandle;
+#endif
+  class Times;
+  std::unique_ptr<Times> times;
+};
+
+#endif