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LibCore: Implement integral ArgsParser positionals through a template

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This matches the behaviour of options.
This commit is contained in:
Fabian Dellwing 2023-04-27 12:58:52 +02:00 committed by Ali Mohammad Pur
parent f4ed9d5d83
commit 4ebc7306da
Notes: sideshowbarker 2024-07-17 02:05:41 +09:00 
Author: https://github.com/fdellwing
Commit: https://github.com/SerenityOS/serenity/commit/4ebc7306da
Pull-request: https://github.com/SerenityOS/serenity/pull/18536
Reviewed-by: https://github.com/fernetmatt ✅
2 changed files with 19 additions and 21 deletions
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36
Userland/Libraries/LibCore/ArgsParser.cpp
View file

@ -610,37 +610,35 @@ void ArgsParser::add_positional_argument(StringView& value, char const* help_str
add_positional_argument(move(arg));
}
void ArgsParser::add_positional_argument(int& value, char const* help_string, char const* name, Required required)
template<Integral I>
void ArgsParser::add_positional_argument(I& value, char const* help_string, char const* name, Required required)
{
Arg arg {
help_string,
name,
required == Required::Yes ? 1 : 0,
1,
[&value](StringView s) {
auto opt = s.to_int();
[&value](StringView view) {
Optional<I> opt;
if constexpr (IsSigned<I>)
opt = view.to_int<I>();
else
opt = view.to_uint<I>();
value = opt.value_or(0);
return opt.has_value();
}
},
};
add_positional_argument(move(arg));
}
void ArgsParser::add_positional_argument(unsigned& value, char const* help_string, char const* name, Required required)
{
Arg arg {
help_string,
name,
required == Required::Yes ? 1 : 0,
1,
[&value](StringView s) {
auto opt = s.to_uint();
value = opt.value_or(0);
return opt.has_value();
}
};
add_positional_argument(move(arg));
}
template void ArgsParser::add_positional_argument(int&, char const*, char const*, Required);
template void ArgsParser::add_positional_argument(long&, char const*, char const*, Required);
template void ArgsParser::add_positional_argument(long long&, char const*, char const*, Required);
template void ArgsParser::add_positional_argument(short&, char const*, char const*, Required);
template void ArgsParser::add_positional_argument(unsigned&, char const*, char const*, Required);
template void ArgsParser::add_positional_argument(unsigned long&, char const*, char const*, Required);
template void ArgsParser::add_positional_argument(unsigned long long&, char const*, char const*, Required);
template void ArgsParser::add_positional_argument(unsigned short&, char const*, char const*, Required);
void ArgsParser::add_positional_argument(double& value, char const* help_string, char const* name, Required required)
{

4
Userland/Libraries/LibCore/ArgsParser.h
View file

@ -102,8 +102,8 @@ public:
void add_positional_argument(Arg&&);
void add_positional_argument(DeprecatedString& value, char const* help_string, char const* name, Required required = Required::Yes);
void add_positional_argument(StringView& value, char const* help_string, char const* name, Required required = Required::Yes);
void add_positional_argument(int& value, char const* help_string, char const* name, Required required = Required::Yes);
void add_positional_argument(unsigned& value, char const* help_string, char const* name, Required required = Required::Yes);
template<Integral I>
void add_positional_argument(I& value, char const* help_string, char const* name, Required required = Required::Yes);
void add_positional_argument(double& value, char const* help_string, char const* name, Required required = Required::Yes);
void add_positional_argument(Vector<DeprecatedString>& value, char const* help_string, char const* name, Required required = Required::Yes);
void add_positional_argument(Vector<StringView>& value, char const* help_string, char const* name, Required required = Required::Yes);