summaryrefslogtreecommitdiffstats
path: root/src/tools/rbd/OptionPrinter.h
blob: 06d3a3c991419a761dede50ac599cb27469100ae (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
// -*- 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/algorithm/string.hpp>
#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 = 37;

  OptionPrinter(const OptionsDescription &positional,
                const OptionsDescription &optional);

  void print_short(std::ostream &os, size_t initial_offset);
  void print_detailed(std::ostream &os);
  static void print_optional(const OptionsDescription &global_opts,
                             size_t &name_width, 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