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Pull the calls for the DustTag constructor up out of parameterized_block.

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This commit is contained in:
Tom Alexander 2020-05-25 20:40:58 -04:00
parent 0ca17e0885
commit 2527baeff4
Signed by: talexander
GPG Key ID: D3A179C9A53C0EDE
1 changed files with 27 additions and 30 deletions
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57
src/parser/parser.rs
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@ -224,12 +224,21 @@ fn dust_tag(i: &str) -> IResult<&str, DustTag> {
named_block("{+", DustTag::DTBlock),
named_block("{<", DustTag::DTInlinePartial),
partial("{>", DustTag::DTPartial),
parameterized_block("{@", "gte", DustTag::DTHelperGreaterThanOrEquals),
parameterized_block("{@", "lte", DustTag::DTHelperLessThanOrEquals),
parameterized_block("{@", "eq", DustTag::DTHelperEquals),
parameterized_block("{@", "ne", DustTag::DTHelperNotEquals),
parameterized_block("{@", "gt", DustTag::DTHelperGreaterThan),
parameterized_block("{@", "lt", DustTag::DTHelperLessThan),
map(
parameterized_block("{@", "gte"),
DustTag::DTHelperGreaterThanOrEquals,
),
map(
parameterized_block("{@", "lte"),
DustTag::DTHelperLessThanOrEquals,
),
map(parameterized_block("{@", "eq"), DustTag::DTHelperEquals),
map(parameterized_block("{@", "ne"), DustTag::DTHelperNotEquals),
map(
parameterized_block("{@", "gt"),
DustTag::DTHelperGreaterThan,
),
map(parameterized_block("{@", "lt"), DustTag::DTHelperLessThan),
))(i)
}
@ -460,28 +469,20 @@ where
}
}
fn parameterized_block<'a, F>(
fn parameterized_block<'a>(
open_matcher: &'static str,
tag_name: &'static str,
constructor: F,
) -> impl FnMut(&'a str) -> IResult<&'a str, DustTag<'a>>
where
F: Copy + Fn(ParameterizedBlock<'a>) -> DustTag<'a>,
{
) -> impl FnMut(&'a str) -> IResult<&'a str, ParameterizedBlock<'a>> {
alt((
parameterized_block_with_body(open_matcher, tag_name, constructor),
parameterized_self_closing_block(open_matcher, tag_name, constructor),
parameterized_block_with_body(open_matcher, tag_name),
parameterized_self_closing_block(open_matcher, tag_name),
))
}
fn parameterized_block_with_body<'a, F>(
fn parameterized_block_with_body<'a>(
open_matcher: &'static str,
tag_name: &'static str,
constructor: F,
) -> impl Fn(&'a str) -> IResult<&'a str, DustTag<'a>>
where
F: Fn(ParameterizedBlock<'a>) -> DustTag<'a>,
{
) -> impl Fn(&'a str) -> IResult<&'a str, ParameterizedBlock<'a>> {
move |i: &'a str| {
let (i, (name, maybe_explicit_context, params, inner, maybe_else, _closing_name)) =
tuple((
@ -502,25 +503,21 @@ where
Ok((
i,
constructor(ParameterizedBlock {
ParameterizedBlock {
name: name,
explicit_context: maybe_explicit_context,
params: params.unwrap_or(Vec::new()),
contents: inner,
else_contents: maybe_else.flatten(),
}),
},
))
}
}
fn parameterized_self_closing_block<'a, F>(
fn parameterized_self_closing_block<'a>(
open_matcher: &'static str,
tag_name: &'static str,
constructor: F,
) -> impl Fn(&'a str) -> IResult<&'a str, DustTag<'a>>
where
F: Fn(ParameterizedBlock<'a>) -> DustTag<'a>,
{
) -> impl Fn(&'a str) -> IResult<&'a str, ParameterizedBlock<'a>> {
move |i: &'a str| {
let (i, (name, maybe_explicit_context, params)) = delimited(
tag(open_matcher),
@ -538,13 +535,13 @@ where
Ok((
i,
constructor(ParameterizedBlock {
ParameterizedBlock {
name: name,
explicit_context: maybe_explicit_context,
params: params.unwrap_or(Vec::new()),
contents: None,
else_contents: None,
}),
},
))
}
}