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Derive ToCss for SVGStrokeDashArray<T>

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This commit is contained in:
Anthony Ramine 2018-03-08 11:19:05 +01:00
parent 36db6f9cdd
commit 2074e8902a
1 changed files with 5 additions and 31 deletions
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36
components/style/values/generics/svg.rs
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@ -6,8 +6,7 @@
use cssparser::Parser; use cssparser::Parser;
use parser::{Parse, ParserContext}; use parser::{Parse, ParserContext};
use std::fmt::{self, Write}; use style_traits::{ParseError, StyleParseErrorKind};
use style_traits::{CssWriter, ParseError, StyleParseErrorKind, ToCss};
use values::{Either, None_}; use values::{Either, None_};
use values::computed::NumberOrPercentage; use values::computed::NumberOrPercentage;
use values::computed::length::LengthOrPercentage; use values::computed::length::LengthOrPercentage;
@ -199,41 +198,16 @@ pub enum SVGLength<LengthType> {
} }
/// Generic value for stroke-dasharray. /// Generic value for stroke-dasharray.
#[derive(Clone, ComputeSquaredDistance, Debug, MallocSizeOf, PartialEq, ToAnimatedValue, #[derive(Clone, ComputeSquaredDistance, Debug, MallocSizeOf, PartialEq)]
ToComputedValue)] #[derive(ToAnimatedValue, ToComputedValue, ToCss)]
pub enum SVGStrokeDashArray<LengthType> { pub enum SVGStrokeDashArray<LengthType> {
/// `[ <length> | <percentage> | <number> ]#` /// `[ <length> | <percentage> | <number> ]#`
Values(Vec<LengthType>), #[css(comma)]
Values(#[css(if_empty = "none", iterable)] Vec<LengthType>),
/// `context-value` /// `context-value`
ContextValue, ContextValue,
} }
impl<LengthType> ToCss for SVGStrokeDashArray<LengthType> where LengthType: ToCss {
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result
where
W: Write,
{
match self {
&SVGStrokeDashArray::Values(ref values) => {
let mut iter = values.iter();
if let Some(first) = iter.next() {
first.to_css(dest)?;
for item in iter {
dest.write_str(", ")?;
item.to_css(dest)?;
}
Ok(())
} else {
dest.write_str("none")
}
}
&SVGStrokeDashArray::ContextValue => {
dest.write_str("context-value")
}
}
}
}
/// An SVG opacity value accepts `context-{fill,stroke}-opacity` in /// An SVG opacity value accepts `context-{fill,stroke}-opacity` in
/// addition to opacity value. /// addition to opacity value.
#[derive(Clone, ComputeSquaredDistance, Copy, Debug, MallocSizeOf)] #[derive(Clone, ComputeSquaredDistance, Copy, Debug, MallocSizeOf)]