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Implement less-than.

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This commit is contained in:
Tom Alexander
2020-05-16 19:05:03 -04:00
parent 496a5e0ac7
commit 30b7324049
5 changed files with 43 additions and 7 deletions
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38
src/renderer/renderer.rs
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@@ -323,7 +323,7 @@ impl<'a> DustRenderer<'a> {
}
}
}
DustTag::DTHelperGreaterThenOrEquals(parameterized_block) => {
DustTag::DTHelperGreaterThanOrEquals(parameterized_block) => {
let param_map: HashMap<&str, &RValue<'a>> =
Self::get_rval_map(&parameterized_block.params);
let left_side: Result<&dyn ContextElement, WalkError> =
@@ -359,6 +359,42 @@ impl<'a> DustRenderer<'a> {
}
}
}
DustTag::DTHelperLessThan(parameterized_block) => {
let param_map: HashMap<&str, &RValue<'a>> =
Self::get_rval_map(&parameterized_block.params);
let left_side: Result<&dyn ContextElement, WalkError> =
match Self::get_rval(breadcrumbs, &param_map, "key") {
None => return Ok("".to_owned()),
Some(res) => res,
};
let right_side: Result<&dyn ContextElement, WalkError> =
Self::get_rval(breadcrumbs, &param_map, "value")
.unwrap_or(Err(WalkError::CantWalk));
match (left_side, right_side) {
(Err(_), _) | (_, Err(_)) => {
return self.render_maybe_body(
&parameterized_block.else_contents,
breadcrumbs,
blocks,
)
}
(Ok(left_side_unwrapped), Ok(right_side_unwrapped)) => {
if left_side_unwrapped < right_side_unwrapped {
return self.render_maybe_body(
&parameterized_block.contents,
breadcrumbs,
blocks,
);
} else {
return self.render_maybe_body(
&parameterized_block.else_contents,
breadcrumbs,
blocks,
);
}
}
}
}
_ => (), // TODO: Implement the rest
}
Ok("".to_owned())