initial code repo

[stor4nfv.git] / src / ceph / src / tools / rbd / OptionPrinter.h

diff --git a/src/ceph/src/tools/rbd/OptionPrinter.h b/src/ceph/src/tools/rbd/OptionPrinter.h
new file mode 100644 (file)
index 0000000..e18a5f8
--- /dev/null
+++ b/src/ceph/src/tools/rbd/OptionPrinter.h
@@ -0,0 +1,40 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_RBD_OPTION_PRINTER_H
+#define CEPH_RBD_OPTION_PRINTER_H
+
+#include "include/int_types.h"
+#include <string>
+#include <vector>
+#include <boost/program_options.hpp>
+
+namespace rbd {
+
+class OptionPrinter {
+public:
+  typedef boost::program_options::options_description OptionsDescription;
+
+  static const std::string POSITIONAL_ARGUMENTS;
+  static const std::string OPTIONAL_ARGUMENTS;
+
+  static const size_t LINE_WIDTH = 80;
+  static const size_t MIN_NAME_WIDTH = 20;
+  static const size_t MAX_DESCRIPTION_OFFSET = LINE_WIDTH / 2;
+
+  OptionPrinter(const OptionsDescription &positional,
+                const OptionsDescription &optional);
+
+  void print_short(std::ostream &os, size_t initial_offset);
+  void print_detailed(std::ostream &os);
+
+private:
+  const OptionsDescription &m_positional;
+  const OptionsDescription &m_optional;
+
+  size_t compute_name_width(size_t indent);
+};
+
+} // namespace rbd
+
+#endif // CEPH_RBD_OPTION_PRINTER_H