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LibCore: Offer to display a general description

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This commit is contained in:
Ben Wiederhake 2020-12-05 15:54:27 +01:00 • committed by Andreas Kling
parent 886b43e999
commit 52a8062084
2 changed files with 8 additions and 0 deletions
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5
Libraries/LibCore/ArgsParser.cpp
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@ -206,6 +206,11 @@ void ArgsParser::print_usage(FILE* file, const char* argv0)
} }
outln(file); outln(file);
if (m_general_help != nullptr && m_general_help[0] != '\0') {
outln(file, "\nDescription:");
outln(file, m_general_help);
}
if (!m_options.is_empty()) if (!m_options.is_empty())
outln(file, "\nOptions:"); outln(file, "\nOptions:");
for (auto& opt : m_options) { for (auto& opt : m_options) {

3
Libraries/LibCore/ArgsParser.h
View file

@ -67,6 +67,8 @@ public:
}; };
bool parse(int argc, char** argv, bool exit_on_failure = true); bool parse(int argc, char** argv, bool exit_on_failure = true);
// *Without* trailing newline!
void set_general_help(const char* help_string) { m_general_help = help_string; };
void print_usage(FILE*, const char* argv0); void print_usage(FILE*, const char* argv0);
void add_option(Option&&); void add_option(Option&&);
@ -86,6 +88,7 @@ private:
Vector<Arg> m_positional_args; Vector<Arg> m_positional_args;
bool m_show_help { false }; bool m_show_help { false };
const char* m_general_help { nullptr };
}; };
} }