Move path and filesystem from build2 to libbutl

1 files changed, 29 insertions, 0 deletions

diff --git a/butl/path-io b/butl/path-io
new file mode 100644
index 0000000..2f2072f
--- /dev/null
+++ b/butl/path-io
@@ -0,0 +1,29 @@
+// file      : butl/path-io -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef BUTL_PATH_IO
+#define BUTL_PATH_IO
+
+#include <ostream>
+
+#include <butl/path>
+
+namespace butl
+{
+  // This is the default path IO implementation. The reason it is
+  // separate is because one often wants a custom implementation.
+  // For example, we may want to print paths as relative to the
+  // working directory. Or we may want to print '~' for the home
+  // directory prefix. Or we may want to print dir_path with a
+  // trailing '/'.
+  //
+  template <typename C, typename K>
+  inline std::basic_ostream<C>&
+  operator<< (std::basic_ostream<C>& os, basic_path<C, K> const& p)
+  {
+    return os << p.string ();
+  }
+}
+
+#endif // BUTL_PATH_IO