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56 changes: 28 additions & 28 deletions src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -246,51 +246,51 @@ doc_query_value! {macro_rules! query_value {
/* non-mut traversal */
// traversal step
(@trv { $vopt:expr } . $key:ident $($rest:tt)*) => {
query_value!(@trv { $vopt.and_then(|v| v.get(stringify!($key))) } $($rest)*)
$crate::query_value!(@trv { $vopt.and_then(|v| v.get(stringify!($key))) } $($rest)*)
};
(@trv { $vopt:expr } [ $idx:expr ] $($rest:tt)*) => {
query_value!(@trv { $vopt.and_then(|v| v.get($idx)) } $($rest)*)
$crate::query_value!(@trv { $vopt.and_then(|v| v.get($idx)) } $($rest)*)
};
// conversion step -> convert then jump to finalization step
(@trv { $vopt:expr } -> $dest:ident $($rest:tt)*) => {
$crate::__paste! {
query_value!(@fin { $vopt.and_then(|v| v.[<as_ $dest>]()) } $($rest)*)
$crate::query_value!(@fin { $vopt.and_then(|v| v.[<as_ $dest>]()) } $($rest)*)
}
};
(@trv { $vopt:expr } >> $dest:ident $($rest:tt)*) => {
query_value!(@fin { $vopt.and_then(|v| <$dest>::deserialize(v.clone()).ok()) } $($rest)*)
$crate::query_value!(@fin { $vopt.and_then(|v| <$dest>::deserialize(v.clone()).ok()) } $($rest)*)
};
(@trv { $vopt:expr } >> ($dest:ty) $($rest:tt)*) => {
query_value!(@fin { $vopt.and_then(|v| <$dest>::deserialize(v.clone()).ok()) } $($rest)*)
$crate::query_value!(@fin { $vopt.and_then(|v| <$dest>::deserialize(v.clone()).ok()) } $($rest)*)
};
// no conversion -> just jump to finalization step
(@trv { $vopt:expr } $($rest:tt)*) => {
query_value!(@fin { $vopt } $($rest)*)
$crate::query_value!(@fin { $vopt } $($rest)*)
};

/* mut traversal */
// traversal step
(@trv_mut { $vopt:expr } . $key:ident $($rest:tt)*) => {
query_value!(@trv_mut { $vopt.and_then(|v| v.get_mut(stringify!($key))) } $($rest)*)
$crate::query_value!(@trv_mut { $vopt.and_then(|v| v.get_mut(stringify!($key))) } $($rest)*)
};
(@trv_mut { $vopt:expr } [ $idx:expr ] $($rest:tt)*) => {
query_value!(@trv_mut { $vopt.and_then(|v| v.get_mut($idx)) } $($rest)*)
$crate::query_value!(@trv_mut { $vopt.and_then(|v| v.get_mut($idx)) } $($rest)*)
};
// conversion step -> convert then jump to finalization step
(@trv_mut { $vopt:expr } -> $dest:ident $($rest:tt)*) => {
$crate::__paste! {
query_value!(@fin { $vopt.and_then(|v| v.[<as_ $dest _mut>]()) } $($rest)*)
$crate::query_value!(@fin { $vopt.and_then(|v| v.[<as_ $dest _mut>]()) } $($rest)*)
}
};
(@trv_mut { $vopt:expr } >> $dest:ident $($rest:tt)*) => {
query_value!(@fin { $vopt.and_then(|v| <$dest>::deserialize(v.clone()).ok()) } $($rest)*)
$crate::query_value!(@fin { $vopt.and_then(|v| <$dest>::deserialize(v.clone()).ok()) } $($rest)*)
};
(@trv_mut { $vopt:expr } >> ($dest:ty) $($rest:tt)*) => {
query_value!(@fin { $vopt.and_then(|v| <$dest>::deserialize(v.clone()).ok()) } $($rest)*)
$crate::query_value!(@fin { $vopt.and_then(|v| <$dest>::deserialize(v.clone()).ok()) } $($rest)*)
};
// no conversion -> just jump to finalization step
(@trv_mut { $vopt:expr } $($rest:tt)*) => {
query_value!(@fin { $vopt } $($rest)*)
$crate::query_value!(@fin { $vopt } $($rest)*)
};

/* finalize: handle unwrapping operator */
Expand All @@ -311,10 +311,10 @@ doc_query_value! {macro_rules! query_value {

/* entry points */
(mut $v:tt $($rest:tt)*) => {
query_value!(@trv_mut { Some(&mut $v) } $($rest)*)
$crate::query_value!(@trv_mut { Some(&mut $v) } $($rest)*)
};
($v:tt $($rest:tt)*) => {
query_value!(@trv { Some(&$v) } $($rest)*)
$crate::query_value!(@trv { Some(&$v) } $($rest)*)
};
}}

Expand Down Expand Up @@ -367,15 +367,15 @@ doc_query_value_result! {macro_rules! query_value_result {
/* non-mut traversal */
// traversal step
(@trv [$trace:ident] { $vopt:expr } . $key:ident $($rest:tt)*) => {
query_value_result!(@trv [$trace] {
$crate::query_value_result!(@trv [$trace] {
$vopt.and_then(|v| {
$trace.push_str(stringify!(.$key));
v.get(stringify!($key)).ok_or_else(|| $crate::Error::ValueNotFoundAtPath($trace.clone()))
})
} $($rest)*)
};
(@trv [$trace:ident] { $vopt:expr } [ $idx:expr ] $($rest:tt)*) => {
query_value_result!(@trv [$trace] {
$crate::query_value_result!(@trv [$trace] {
$vopt.and_then(|v| {
$trace.push_str(format!("[{}]", stringify!($idx)).as_str());
v.get($idx).ok_or_else(|| $crate::Error::ValueNotFoundAtPath($trace.clone()))
Expand All @@ -385,7 +385,7 @@ doc_query_value_result! {macro_rules! query_value_result {
// conversion step -> convert then jump to finalization step
(@trv [$trace:ident] { $vopt:expr } -> $dest:ident $($rest:tt)*) => {
$crate::__paste! {
query_value_result!(@fin [$trace] {
$crate::query_value_result!(@fin [$trace] {
$vopt.and_then(|v| {
let conv_name = format!("as_{}", stringify!($dest));
v.[<as_ $dest>]() .ok_or_else(|| $crate::Error::AsCastFailed(conv_name))
Expand All @@ -394,36 +394,36 @@ doc_query_value_result! {macro_rules! query_value_result {
}
};
(@trv [$trace:ident] { $vopt:expr } >> $dest:ident $($rest:tt)*) => {
query_value_result!(@fin [$trace] {
$crate::query_value_result!(@fin [$trace] {
$vopt.and_then(|v| {
<$dest>::deserialize(v.clone()).map_err(|e| $crate::Error::DeserializationFailed(Box::new(e)))
})
} $($rest)*)
};
(@trv [$trace:ident] { $vopt:expr } >> ($dest:ty) $($rest:tt)*) => {
query_value_result!(@fin [$trace] {
$crate::query_value_result!(@fin [$trace] {
$vopt.and_then(|v| {
<$dest>::deserialize(v.clone()).map_err(|e| $crate::Error::DeserializationFailed(Box::new(e)))
})
} $($rest)*)
};
// no conversion -> just jump to finalization step
(@trv [$trace:ident] { $vopt:expr } $($rest:tt)*) => {
query_value_result!(@fin [$trace] { $vopt } $($rest)*)
$crate::query_value_result!(@fin [$trace] { $vopt } $($rest)*)
};

/* mut traversal */
// traversal step
(@trv_mut [$trace:ident] { $vopt:expr } . $key:ident $($rest:tt)*) => {
query_value_result!(@trv_mut [$trace] {
$crate::query_value_result!(@trv_mut [$trace] {
$vopt.and_then(|v| {
$trace.push_str(stringify!(.$key));
v.get_mut(stringify!($key)).ok_or_else(|| $crate::Error::ValueNotFoundAtPath($trace.clone()))
})
} $($rest)*)
};
(@trv_mut [$trace:ident] { $vopt:expr } [ $idx:expr ] $($rest:tt)*) => {
query_value_result!(@trv_mut [$trace] {
$crate::query_value_result!(@trv_mut [$trace] {
$vopt.and_then(|v| {
$trace.push_str(format!("[{}]", stringify!($idx)).as_str());
v.get_mut($idx).ok_or_else(|| $crate::Error::ValueNotFoundAtPath($trace.clone()))
Expand All @@ -433,7 +433,7 @@ doc_query_value_result! {macro_rules! query_value_result {
// conversion step -> convert then jump to finalization step
(@trv_mut [$trace:ident] { $vopt:expr } -> $dest:ident $($rest:tt)*) => {
$crate::__paste! {
query_value_result!(@fin [$trace] {
$crate::query_value_result!(@fin [$trace] {
$vopt.and_then(|v| {
let conv_name = format!("as_{}_mut", stringify!($dest));
v.[<as_ $dest _mut>]().ok_or_else(|| $crate::Error::AsCastFailed(conv_name))
Expand All @@ -442,22 +442,22 @@ doc_query_value_result! {macro_rules! query_value_result {
}
};
(@trv_mut [$trace:ident] { $vopt:expr } >> $dest:ident $($rest:tt)*) => {
query_value_result!(@fin [$trace] {
$crate::query_value_result!(@fin [$trace] {
$vopt.and_then(|v| {
<$dest>::deserialize(v.clone()).map_err(|e| $crate::Error::DeserializationFailed(Box::new(e)))
})
} $($rest)*)
};
(@trv_mut [$trace:ident] { $vopt:expr } >> ($dest:ty) $($rest:tt)*) => {
query_value_result!(@fin [$trace] {
$crate::query_value_result!(@fin [$trace] {
$vopt.and_then(|v| {
<$dest>::deserialize(v.clone()).map_err(|e| $crate::Error::DeserializationFailed(Box::new(e)))
})
} $($rest)*)
};
// no conversion -> just jump to finalization step
(@trv_mut [$trace:ident] { $vopt:expr } $($rest:tt)*) => {
query_value_result!(@fin [$trace] { $vopt } $($rest)*)
$crate::query_value_result!(@fin [$trace] { $vopt } $($rest)*)
};

/* finalize: handle unwrapping operator */
Expand Down Expand Up @@ -490,9 +490,9 @@ doc_query_value_result! {macro_rules! query_value_result {

/* entry points */
(mut $v:tt $($rest:tt)*) => {
query_value_result!(@trv_mut [trace] { Ok::<_, $crate::Error>(&mut $v) } $($rest)*)
$crate::query_value_result!(@trv_mut [trace] { Ok::<_, $crate::Error>(&mut $v) } $($rest)*)
};
($v:tt $($rest:tt)*) => {
query_value_result!(@trv [trace] { Ok::<_, $crate::Error>(&$v) } $($rest)*)
$crate::query_value_result!(@trv [trace] { Ok::<_, $crate::Error>(&$v) } $($rest)*)
};
}}
25 changes: 25 additions & 0 deletions tests/query_value.rs
Original file line number Diff line number Diff line change
Expand Up @@ -132,6 +132,31 @@ mod json {
assert_eq!(query_value!(j.arr[4] -> str), Some("appended!"));
}

#[test]
fn test_query_with_ref_value() {
let j = make_sample_json();
let j_ref = &j;

let tests = [
(query_value!(j_ref.str), json!("s")),
(query_value!(j_ref.nums.u64), json!(123)),
(query_value!(j_ref.obj.inner), json!("value")),
];

test_is_some_of_expected_val!(tests);
}

#[test]
fn test_query_with_refmut_value() {
let mut j = make_sample_json();
let mut j_ref = &mut j;

assert_eq!(
query_value!(mut j_ref.obj.inner).unwrap(),
&mut json!("value")
);
}

#[test]
fn test_query_and_cast() {
let j = make_sample_json();
Expand Down
27 changes: 27 additions & 0 deletions tests/query_value_result.rs
Original file line number Diff line number Diff line change
Expand Up @@ -131,6 +131,33 @@ mod json {
assert_eq!(query_value_result!(j.arr[4] -> str).unwrap(), "appended!");
}

#[test]
fn test_query_with_ref_value() {
let j = make_sample_json();
let j_ref = &j;

let tests = [
(query_value_result!(j_ref.str), json!("s")),
(query_value_result!(j_ref.nums.u64), json!(123)),
(query_value_result!(j_ref.obj.inner), json!("value")),
];

for (res, exp) in tests {
assert_eq!(res.unwrap(), &exp);
}
}

#[test]
fn test_query_with_refmut_value() {
let mut j = make_sample_json();
let mut j_ref = &mut j;

assert_eq!(
query_value_result!(mut j_ref.obj.inner).unwrap(),
&mut json!("value")
);
}

#[test]
fn test_query_and_cast() {
let j = make_sample_json();
Expand Down