Implement directory iteration support

2 files changed, 62 insertions, 0 deletions

diff --git a/tests/dir-iterator/buildfile b/tests/dir-iterator/buildfile
new file mode 100644
index 0000000..fabea4d
--- /dev/null
+++ b/tests/dir-iterator/buildfile
@@ -0,0 +1,7 @@
+# file      : tests/dir-iterator/buildfile
+# copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
+# license   : MIT; see accompanying LICENSE file
+
+exe{driver}: cxx{driver} ../../butl/lib{butl}
+
+include ../../butl/
diff --git a/tests/dir-iterator/driver.cxx b/tests/dir-iterator/driver.cxx
new file mode 100644
index 0000000..09a259f
--- /dev/null
+++ b/tests/dir-iterator/driver.cxx
@@ -0,0 +1,55 @@
+// file      : tests/dir-iterator/driver.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <cstddef> // size_t
+#include <cassert>
+#include <iostream>
+
+#include <butl/path>
+#include <butl/path-io>
+#include <butl/filesystem>
+
+using namespace std;
+using namespace butl;
+
+static const char* entry_type_string[] =
+{
+  "unk", "reg", "dir", "sym", "oth"
+};
+
+inline ostream&
+operator<< (ostream& os, entry_type e)
+{
+  return os << entry_type_string[static_cast<size_t> (e)];
+}
+
+int
+main (int argc, const char* argv[])
+{
+  if (argc != 2)
+  {
+    cerr << "usage: " << argv[0] << " <dir>" << endl;
+    return 1;
+  }
+
+  try
+  {
+    for (const dir_entry& de: dir_iterator (dir_path (argv[1])))
+    {
+      cerr << de.type () << " ";
+
+      if (de.type () == entry_type::symlink)
+        cerr << de.ltype ();
+      else
+        cerr << "   ";
+
+      cerr << " " << de.path () << endl;
+    }
+  }
+  catch (const exception& e)
+  {
+    cerr << argv[1] << ": " << e.what () << endl;
+    return 1;
+  }
+}