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Add serialize_four_sides, use for serializing BorderRadius

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This commit is contained in:
Manish Goregaokar 2016-08-02 15:43:52 +05:30
parent c6feae3c5c
commit d1e45f78af
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GPG key ID: 3BBF4D3E2EF79F98
5 changed files with 110 additions and 27 deletions
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30
components/style/properties/properties.mako.rs
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@ -73,7 +73,8 @@ pub mod longhands {
}
pub mod shorthands {
use cssparser::Parser;
use cssparser::{Parser, ToCss};
use std::fmt;
use parser::ParserContext;
use values::specified;
@ -120,6 +121,33 @@ pub mod shorthands {
Ok((top, right, bottom, left))
}
/// Serialize a set of top,left,bottom,right values, in <margin>-shorthand style,
/// attempting to minimize the output
pub fn serialize_four_sides<T, W>(sides: (&T, &T, &T, &T), dest: &mut W) -> fmt::Result
where W: fmt::Write, T: ToCss+PartialEq {
if sides.0 == sides.1 && sides.0 == sides.2 && sides.0 == sides.3 {
sides.0.to_css(dest)
} else if sides.0 == sides.2 && sides.1 == sides.3 {
try!(sides.0.to_css(dest));
try!(dest.write_str(" "));
sides.1.to_css(dest)
} else if sides.1 == sides.3 {
try!(sides.0.to_css(dest));
try!(dest.write_str(" "));
try!(sides.1.to_css(dest));
try!(dest.write_str(" "));
sides.2.to_css(dest)
} else {
try!(sides.0.to_css(dest));
try!(dest.write_str(" "));
try!(sides.1.to_css(dest));
try!(dest.write_str(" "));
try!(sides.2.to_css(dest));
try!(dest.write_str(" "));
sides.3.to_css(dest)
}
}
<%include file="/shorthand/background.mako.rs" />
<%include file="/shorthand/border.mako.rs" />
<%include file="/shorthand/box.mako.rs" />