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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef CEPH_RBD_SHELL_H
#define CEPH_RBD_SHELL_H
#include "include/int_types.h"
#include <set>
#include <string>
#include <vector>
#include <boost/program_options.hpp>
namespace rbd {
class Shell {
public:
typedef std::vector<std::string> CommandSpec;
struct Action {
typedef void (*GetArguments)(boost::program_options::options_description *,
boost::program_options::options_description *);
typedef int (*Execute)(const boost::program_options::variables_map &,
const std::vector<std::string> &);
CommandSpec command_spec;
CommandSpec alias_command_spec;
const std::string description;
const std::string help;
GetArguments get_arguments;
Execute execute;
bool visible;
template <typename Args, typename Execute>
Action(const std::initializer_list<std::string> &command_spec,
const std::initializer_list<std::string> &alias_command_spec,
const std::string &description, const std::string &help,
Args args, Execute execute, bool visible = true)
: command_spec(command_spec), alias_command_spec(alias_command_spec),
description(description), help(help), get_arguments(args),
execute(execute), visible(visible) {
Shell::get_actions().push_back(this);
}
};
struct SwitchArguments {
SwitchArguments(const std::initializer_list<std::string> &arguments) {
Shell::get_switch_arguments().insert(arguments.begin(), arguments.end());
}
};
int execute(int argc, const char **argv);
private:
static std::vector<Action *>& get_actions();
static std::set<std::string>& get_switch_arguments();
void get_command_spec(const std::vector<std::string> &arguments,
std::vector<std::string> *command_spec);
Action *find_action(const CommandSpec &command_spec,
CommandSpec **matching_spec, bool *is_alias);
void get_global_options(boost::program_options::options_description *opts);
void print_help();
void print_action_help(Action *action, bool is_alias);
void print_unknown_action(const CommandSpec &command_spec);
void print_bash_completion(const CommandSpec &command_spec);
void print_bash_completion_options(
const boost::program_options::options_description &ops);
};
} // namespace rbd
#endif // CEPH_RBD_SHELL_H
|
