84 lines
1.9 KiB
C++
84 lines
1.9 KiB
C++
#pragma once
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#include "common.hpp"
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LEMONBUDDY_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 = map<string, 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(
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string flag, string flag_long, string desc, string token = "", const choices c = {})
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: flag(flag), flag_long(flag_long), desc(desc), token(token), values(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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explicit parser(const string& synopsis, const options& opts)
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: m_synopsis(synopsis), m_opts(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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string get(string opt) const;
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bool compare(string opt, string val) const;
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protected:
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auto is_short(string option, string opt_short) const;
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auto is_long(string option, string opt_long) const;
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auto is(string option, string opt_short, string opt_long) const;
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auto parse_value(string input, string input_next, choices values) const;
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void parse(string input, string input_next = "");
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private:
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string m_synopsis;
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options m_opts;
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values m_optvalues;
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bool m_skipnext = false;
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};
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// }}}
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}
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using cliparser = command_line::parser;
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using clioption = command_line::option;
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using clioptions = command_line::options;
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namespace {
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/**
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* Configure injection module
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*/
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template <class T = cliparser>
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di::injector<T> configure_cliparser(string scriptname, const clioptions& opts) {
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// clang-format off
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return di::make_injector(
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di::bind<>().to("Usage: " + scriptname + " bar_name [OPTION...]"),
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di::bind<>().to(opts));
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// clang-format on
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}
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}
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LEMONBUDDY_NS_END
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