polybar-dwm/include/components/command_line.hpp

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