mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-23 08:00:20 +00:00
89 lines
3.3 KiB
C++
89 lines
3.3 KiB
C++
/*
|
|
* Copyright (c) 2020, Sergey Bugaev <bugaevc@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Function.h>
|
|
#include <AK/String.h>
|
|
#include <AK/Vector.h>
|
|
#include <stdio.h>
|
|
|
|
namespace Core {
|
|
|
|
class ArgsParser {
|
|
public:
|
|
ArgsParser();
|
|
|
|
enum class Required {
|
|
Yes,
|
|
No
|
|
};
|
|
|
|
struct Option {
|
|
bool requires_argument { true };
|
|
const char* help_string { nullptr };
|
|
const char* long_name { nullptr };
|
|
char short_name { 0 };
|
|
const char* value_name { nullptr };
|
|
Function<bool(const char*)> accept_value;
|
|
|
|
String name_for_display() const
|
|
{
|
|
if (long_name)
|
|
return String::format("--%s", long_name);
|
|
return String::format("-%c", short_name);
|
|
}
|
|
};
|
|
|
|
struct Arg {
|
|
const char* help_string { nullptr };
|
|
const char* name { nullptr };
|
|
int min_values { 0 };
|
|
int max_values { 1 };
|
|
Function<bool(const char*)> accept_value;
|
|
};
|
|
|
|
void parse(int argc, char** argv);
|
|
void print_usage(FILE*, const char* argv0);
|
|
|
|
void add_option(Option&&);
|
|
void add_option(bool& value, const char* help_string, const char* long_name, char short_name);
|
|
void add_option(const char*& value, const char* help_string, const char* long_name, char short_name, const char* value_name);
|
|
void add_option(int& value, const char* help_string, const char* long_name, char short_name, const char* value_name);
|
|
|
|
void add_positional_argument(Arg&&);
|
|
void add_positional_argument(const char*& value, const char* help_string, const char* name, Required required = Required::Yes);
|
|
void add_positional_argument(int& value, const char* help_string, const char* name, Required required = Required::Yes);
|
|
void add_positional_argument(Vector<const char*>& value, const char* help_string, const char* name, Required required = Required::Yes);
|
|
|
|
private:
|
|
Vector<Option> m_options;
|
|
Vector<Arg> m_positional_args;
|
|
|
|
bool m_show_help { false };
|
|
};
|
|
|
|
}
|