[librsvg: 9/10] FilterFunction::parse - make it more obvious how to add new filter functions there
- From: Federico Mena Quintero <federico src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [librsvg: 9/10] FilterFunction::parse - make it more obvious how to add new filter functions there
- Date: Thu, 29 Apr 2021 00:06:46 +0000 (UTC)
commit 870684a03149720da7592e1b13a487a5c7fee926
Author: Federico Mena Quintero <federico gnome org>
Date: Wed Apr 28 18:38:31 2021 -0500
FilterFunction::parse - make it more obvious how to add new filter functions there
src/filter_func.rs | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
---
diff --git a/src/filter_func.rs b/src/filter_func.rs
index 2ede5abb..1698043b 100644
--- a/src/filter_func.rs
+++ b/src/filter_func.rs
@@ -56,11 +56,7 @@ fn parse_blur<'i>(parser: &mut Parser<'i, '_>) -> Result<FilterFunction, ParseEr
}
impl Blur {
- fn to_filter_spec(
- &self,
- values: &ComputedValues,
- params: &ViewParams,
- ) -> FilterSpec {
+ fn to_filter_spec(&self, values: &ComputedValues, params: &ViewParams) -> FilterSpec {
// The 0.0 default is from the spec
let std_dev = self
.std_deviation
@@ -89,11 +85,11 @@ impl Parse for FilterFunction {
fn parse<'i>(parser: &mut Parser<'i, '_>) -> Result<Self, crate::error::ParseError<'i>> {
let loc = parser.current_source_location();
- parser
- .try_parse(|p| parse_function(p, "blur", parse_blur))
- .or_else(|_| {
- Err(loc.new_custom_error(ValueErrorKind::parse_error("expected filter function")))
- })
+ if let Ok(func) = parser.try_parse(|p| parse_function(p, "blur", parse_blur)) {
+ return Ok(func);
+ }
+
+ return Err(loc.new_custom_error(ValueErrorKind::parse_error("expected filter function")));
}
}
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