cmWorkingDirectory: add class for changing the workdir

1 files changed, 24 insertions, 0 deletions

diff --git a/Source/cmWorkingDirectory.cxx b/Source/cmWorkingDirectory.cxx
new file mode 100644
index 0000000..99c9ba8
--- /dev/null
+++ b/Source/cmWorkingDirectory.cxx
@@ -0,0 +1,24 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#include "cmWorkingDirectory.h"
+
+#include "cmSystemTools.h"
+
+cmWorkingDirectory::cmWorkingDirectory(std::string const& newdir)
+{
+  this->OldDir = cmSystemTools::GetCurrentWorkingDirectory();
+  cmSystemTools::ChangeDirectory(newdir);
+}
+
+cmWorkingDirectory::~cmWorkingDirectory()
+{
+  this->Pop();
+}
+
+void cmWorkingDirectory::Pop()
+{
+  if (!this->OldDir.empty()) {
+    cmSystemTools::ChangeDirectory(this->OldDir);
+    this->OldDir.clear();
+  }
+}