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#[macro_export(local_inner_macros)]
macro_rules! proto_object {
($($obj:tt)+) => {
object_internal!($($obj)+)
};
}
#[macro_export(local_inner_macros)]
#[doc(hidden)]
macro_rules! object_internal {
(@array [$($elems:expr,)*]) => {
object_internal_vec!($($elems,)*)
};
(@array [$($elems:expr),*]) => {
object_internal_vec!($($elems),*)
};
(@object $object:ident () () ()) => {};
(@object $object:ident [$($key:tt)+] ($value:expr) , $($rest:tt)*) => {
$object.push(($($key)+, $value));
object_internal!(@object $object () ($($rest)*) ($($rest)*));
};
(@object $object:ident [$($key:tt)+] ($value:expr)) => {
$object.push(($($key)+, $value));
};
(@object $object:ident ($($key:tt)+) (: true $($rest:tt)*) $copy:tt) => {
object_internal!(@object $object [$($key)+] (object_single_value!(true)) $($rest)*);
};
(@object $object:ident ($($key:tt)+) (: false $($rest:tt)*) $copy:tt) => {
object_internal!(@object $object [$($key)+] (object_single_value!(false)) $($rest)*);
};
(@object $object:ident ($($key:tt)+) (: $value:expr, $($rest:tt)*) $copy:tt) => {
object_internal!(@object $object [$($key)+] (object_single_value!($value)), $($rest)*);
};
(@object $object:ident ($($key:tt)+) (: $value:expr) $copy:tt) => {
object_internal!(@object $object [$($key)+] (object_single_value!($value)));
};
(@object $object:ident () (: $(rest:tt)*) ($colon:tt $($copy:tt)*)) => {
object_unexpected($colon);
};
(@object $object:ident () (($key:expr) : $($rest:tt)*) $copy:tt) => {
object_internal!(@object $object ($key) (: $($rest)*) (: $($rest)*));
};
(@object $object:ident ($($key:tt)*) ($tt:tt $($rest:tt)*) $copy:tt) => {
object_internal!(@object $object ($($key)* $tt) ($($rest)*) ($($rest)*));
};
({ $($tt:tt)+ }) => {
{
let mut object = Vec::<(&str, &str)>::new();
object_internal!(@object object () ($($tt)+) ($($tt)+));
$crate::QueryParams::from( object )
}
};
}
#[macro_export]
#[doc(hidden)]
macro_rules! object_single_value {
(true) => {
"true"
};
(false) => {
"false"
};
({}) => {
""
};
([]) => {
""
};
([ $(tt:tt)+ ]) => {
object_internal!(@array [] $($tt)+ )
};
($expr:expr) => {
stringify!($expr).trim_matches('"')
}
}
#[macro_export]
#[doc(hidden)]
macro_rules! object_internal_vec {
($($vec:tt)*) => {
vec![$($vec)*]
};
}
#[macro_export]
#[doc(hidden)]
macro_rules! object_unexpected {
() => {};
}
#[test]
fn test()
{
let val = proto_object!({
"rust": true,
"lumin": [1,2,3,123],
"test_string": "hello",
"test_vec": vec!["hello","world","and","rust"],
}
);
println!("value={:?}", val);
}