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
77
78
|
#pragma once
#include <map>
#include "common.hpp"
#include "errors.hpp"
POLYBAR_NS
namespace command_line {
DEFINE_ERROR(argument_error);
DEFINE_ERROR(value_error);
class option;
using choices = vector<string>;
using options = vector<option>;
using values = std::map<string, string>;
using posargs = vector<string>;
// class definition : option {{{
class option {
public:
string flag;
string flag_long;
string desc;
string token;
const choices values;
explicit option(string&& flag, string&& flag_long, string&& desc, string&& token = "", const choices&& c = {})
: flag(forward<string>(flag))
, flag_long(forward<string>(flag_long))
, desc(forward<string>(desc))
, token(forward<string>(token))
, values(forward<const choices>(c)) {}
};
// }}}
// class definition : parser {{{
class parser {
public:
using make_type = unique_ptr<parser>;
static make_type make(string&& scriptname, const options&& opts);
explicit parser(string&& synopsis, const options&& opts);
void usage() const;
void process_input(const vector<string>& values);
bool has(const string& option) const;
bool has(size_t index) const;
string get(string opt) const;
string get(size_t index) const;
bool compare(string opt, const string& val) const;
bool compare(size_t index, const string& val) const;
protected:
auto is_short(const string& option, const string& opt_short) const;
auto is_long(const string& option, const string& opt_long) const;
auto is(const string& option, string opt_short, string opt_long) const;
auto parse_value(string input, const string& input_next, choices values) const;
void parse(const string& input, const string& input_next = "");
private:
string m_synopsis{};
const options m_opts;
values m_optvalues{};
posargs m_posargs{};
bool m_skipnext{false};
};
// }}}
}
POLYBAR_NS_END
|
