79 lines
1.9 KiB
C++
79 lines
1.9 KiB
C++
#pragma once
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#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 {
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DEFINE_ERROR(argument_error);
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DEFINE_ERROR(value_error);
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class option;
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using choices = vector<string>;
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using options = vector<option>;
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using values = std::map<string, string>;
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using posargs = vector<string>;
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// class definition : option {{{
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class option {
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public:
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string flag;
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string flag_long;
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string desc;
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string token;
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const choices values;
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explicit option(string&& flag, string&& flag_long, string&& desc, string&& token = "", const choices&& c = {})
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: flag(forward<string>(flag))
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, flag_long(forward<string>(flag_long))
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, desc(forward<string>(desc))
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, token(forward<string>(token))
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, values(forward<const choices>(c)) {}
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};
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// }}}
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// class definition : parser {{{
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class parser {
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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;
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void process_input(const vector<string>& values);
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bool has(const string& option) const;
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bool has(size_t index) const;
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string get(string opt) const;
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string get(size_t index) const;
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bool compare(string opt, const string& val) const;
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bool compare(size_t index, const string& val) const;
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protected:
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auto is_short(const string& option, const string& opt_short) const;
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auto is_long(const string& option, const string& opt_long) const;
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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;
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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{};
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posargs m_posargs{};
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bool m_skipnext{false};
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};
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// }}}
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}
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POLYBAR_NS_END
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