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Unified the renderers for all the comparison helpers by moving their implementation to perform_comparison_check.

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master
Tom Alexander 4 years ago
parent 85d36fc516
commit ed38ce6a38
Signed by: talexander
GPG Key ID: D3A179C9A53C0EDE
1 changed files with 12 additions and 248 deletions
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260
src/renderer/renderer.rs
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@ -365,7 +365,12 @@ impl<'a> DustRenderer<'a> {
),
};
}
DustTag::DTHelperEquals(parameterized_block) => {
DustTag::DTHelperEquals(parameterized_block)
| DustTag::DTHelperNotEquals(parameterized_block)
| DustTag::DTHelperGreaterThan(parameterized_block)
| DustTag::DTHelperLessThan(parameterized_block)
| DustTag::DTHelperGreaterThanOrEquals(parameterized_block)
| DustTag::DTHelperLessThanOrEquals(parameterized_block) => {
let new_breadcrumbs = self.new_breadcrumbs_partial(
breadcrumbs,
breadcrumbs,
@ -373,35 +378,10 @@ impl<'a> DustRenderer<'a> {
&parameterized_block.explicit_context,
);
let param_map =
ParametersContext::new(self, breadcrumbs, &parameterized_block.params, None);
let left_side = self.tap(breadcrumbs, &param_map, "key");
let right_side = self.tap(breadcrumbs, &param_map, "value");
let left_side_ce = left_side.as_ref().map(|maybe_ice| {
maybe_ice
.as_ref()
.map(|ice| ice.get_context_element_reference())
});
let right_side_ce = right_side.as_ref().map(|maybe_ice| {
maybe_ice
.as_ref()
.map(|ice| ice.get_context_element_reference())
});
return match (left_side_ce, right_side_ce) {
// If "key" is not present at all, return a blank string
(None, _) => Ok("".to_owned()),
(Some(_maybe_left_ce), _) => {
// Special case: when comparing two RVPaths, if the
// path points to the same value then they are
// equal. This is particularly important for objects
// which compare memory locations rather than contents
// (javascript object equality).
if Self::are_paths_identical(&left_side_ce, &right_side_ce)
|| left_side_ce.unwrap_or(Err(&WalkError::CantWalk))
== right_side_ce.unwrap_or(Err(&WalkError::CantWalk))
{
return self
.perform_comparison_check(tag, breadcrumbs, None)
.map(|check_result| {
if check_result {
self.render_maybe_body(
&parameterized_block.contents,
new_breadcrumbs.as_ref().unwrap_or(breadcrumbs),
@ -414,224 +394,8 @@ impl<'a> DustRenderer<'a> {
blocks,
)
}
}
};
}
DustTag::DTHelperNotEquals(parameterized_block) => {
let new_breadcrumbs = self.new_breadcrumbs_partial(
breadcrumbs,
breadcrumbs,
None,
&parameterized_block.explicit_context,
);
let param_map =
ParametersContext::new(self, breadcrumbs, &parameterized_block.params, None);
let left_side = self.tap(breadcrumbs, &param_map, "key");
let right_side = self.tap(breadcrumbs, &param_map, "value");
let left_side_ce = left_side.as_ref().map(|maybe_ice| {
maybe_ice
.as_ref()
.map(|ice| ice.get_context_element_reference())
});
let right_side_ce = right_side.as_ref().map(|maybe_ice| {
maybe_ice
.as_ref()
.map(|ice| ice.get_context_element_reference())
});
return match (left_side_ce, right_side_ce) {
// If "key" is not present at all, return a blank string
(None, _) => Ok("".to_owned()),
(Some(_maybe_left_ce), _) => {
// Special case: when comparing two RVPaths, if the
// path points to the same value then they are
// equal. This is particularly important for objects
// which compare memory locations rather than contents
// (javascript object equality).
if Self::are_paths_identical(&left_side_ce, &right_side_ce)
|| left_side_ce.unwrap_or(Err(&WalkError::CantWalk))
== right_side_ce.unwrap_or(Err(&WalkError::CantWalk))
{
self.render_maybe_body(
&parameterized_block.else_contents,
new_breadcrumbs.as_ref().unwrap_or(breadcrumbs),
blocks,
)
} else {
self.render_maybe_body(
&parameterized_block.contents,
new_breadcrumbs.as_ref().unwrap_or(breadcrumbs),
blocks,
)
}
}
};
}
DustTag::DTHelperGreaterThan(parameterized_block) => {
let new_breadcrumbs = self.new_breadcrumbs_partial(
breadcrumbs,
breadcrumbs,
None,
&parameterized_block.explicit_context,
);
let param_map =
ParametersContext::new(self, breadcrumbs, &parameterized_block.params, None);
let left_side = self.tap(breadcrumbs, &param_map, "key");
let right_side = self.tap(breadcrumbs, &param_map, "value");
let left_side_ce = left_side.as_ref().map(|maybe_ice| {
maybe_ice
.as_ref()
.map(|ice| ice.get_context_element_reference())
});
let right_side_ce = right_side.as_ref().map(|maybe_ice| {
maybe_ice
.as_ref()
.map(|ice| ice.get_context_element_reference())
});
return match (left_side_ce, right_side_ce) {
// If "key" is not present at all, return a blank string
(None, _) => Ok("".to_owned()),
(Some(Ok(left_value)), Some(Ok(right_value))) if left_value > right_value => {
self.render_maybe_body(
&parameterized_block.contents,
new_breadcrumbs.as_ref().unwrap_or(breadcrumbs),
blocks,
)
}
_ => self.render_maybe_body(
&parameterized_block.else_contents,
new_breadcrumbs.as_ref().unwrap_or(breadcrumbs),
blocks,
),
};
}
DustTag::DTHelperGreaterThanOrEquals(parameterized_block) => {
let new_breadcrumbs = self.new_breadcrumbs_partial(
breadcrumbs,
breadcrumbs,
None,
&parameterized_block.explicit_context,
);
let param_map =
ParametersContext::new(self, breadcrumbs, &parameterized_block.params, None);
let left_side = self.tap(breadcrumbs, &param_map, "key");
let right_side = self.tap(breadcrumbs, &param_map, "value");
let left_side_ce = left_side.as_ref().map(|maybe_ice| {
maybe_ice
.as_ref()
.map(|ice| ice.get_context_element_reference())
});
let right_side_ce = right_side.as_ref().map(|maybe_ice| {
maybe_ice
.as_ref()
.map(|ice| ice.get_context_element_reference())
});
return match (left_side_ce, right_side_ce) {
// If "key" is not present at all, return a blank string
(None, _) => Ok("".to_owned()),
(Some(Ok(left_value)), Some(Ok(right_value))) if left_value >= right_value => {
self.render_maybe_body(
&parameterized_block.contents,
new_breadcrumbs.as_ref().unwrap_or(breadcrumbs),
blocks,
)
}
_ => self.render_maybe_body(
&parameterized_block.else_contents,
new_breadcrumbs.as_ref().unwrap_or(breadcrumbs),
blocks,
),
};
}
DustTag::DTHelperLessThan(parameterized_block) => {
let new_breadcrumbs = self.new_breadcrumbs_partial(
breadcrumbs,
breadcrumbs,
None,
&parameterized_block.explicit_context,
);
let param_map =
ParametersContext::new(self, breadcrumbs, &parameterized_block.params, None);
let left_side = self.tap(breadcrumbs, &param_map, "key");
let right_side = self.tap(breadcrumbs, &param_map, "value");
let left_side_ce = left_side.as_ref().map(|maybe_ice| {
maybe_ice
.as_ref()
.map(|ice| ice.get_context_element_reference())
});
let right_side_ce = right_side.as_ref().map(|maybe_ice| {
maybe_ice
.as_ref()
.map(|ice| ice.get_context_element_reference())
});
return match (left_side_ce, right_side_ce) {
// If "key" is not present at all, return a blank string
(None, _) => Ok("".to_owned()),
(Some(Ok(left_value)), Some(Ok(right_value))) if left_value < right_value => {
self.render_maybe_body(
&parameterized_block.contents,
new_breadcrumbs.as_ref().unwrap_or(breadcrumbs),
blocks,
)
}
_ => self.render_maybe_body(
&parameterized_block.else_contents,
new_breadcrumbs.as_ref().unwrap_or(breadcrumbs),
blocks,
),
};
}
DustTag::DTHelperLessThanOrEquals(parameterized_block) => {
let new_breadcrumbs = self.new_breadcrumbs_partial(
breadcrumbs,
breadcrumbs,
None,
&parameterized_block.explicit_context,
);
let param_map =
ParametersContext::new(self, breadcrumbs, &parameterized_block.params, None);
let left_side = self.tap(breadcrumbs, &param_map, "key");
let right_side = self.tap(breadcrumbs, &param_map, "value");
let left_side_ce = left_side.as_ref().map(|maybe_ice| {
maybe_ice
.as_ref()
.map(|ice| ice.get_context_element_reference())
});
let right_side_ce = right_side.as_ref().map(|maybe_ice| {
maybe_ice
.as_ref()
.map(|ice| ice.get_context_element_reference())
});
return match (left_side_ce, right_side_ce) {
// If "key" is not present at all, return a blank string
(None, _) => Ok("".to_owned()),
(Some(Ok(left_value)), Some(Ok(right_value))) if left_value <= right_value => {
self.render_maybe_body(
&parameterized_block.contents,
new_breadcrumbs.as_ref().unwrap_or(breadcrumbs),
blocks,
)
}
_ => self.render_maybe_body(
&parameterized_block.else_contents,
new_breadcrumbs.as_ref().unwrap_or(breadcrumbs),
blocks,
),
};
})
.unwrap_or(Ok("".to_owned()));
}
DustTag::DTHelperSep(parameterized_block) => {
let new_breadcrumbs = self.new_breadcrumbs_partial(

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