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SVG length parsing mode

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SVG allows non-zero lengths to be accepted and assumes they are in px.  This
adds this length parsing mode to Servo.

MozReview-Commit-ID: Kxd3x64r9Ye
This commit is contained in:
J. Ryan Stinnett 2017-04-12 17:40:48 +08:00
parent 0936dd24d0
commit 6069e44f02
18 changed files with 130 additions and 53 deletions
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8
components/script/dom/css.rs
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@ -9,7 +9,7 @@ use dom::bindings::reflector::Reflector;
use dom::bindings::str::DOMString;
use dom::window::Window;
use dom_struct::dom_struct;
use style::parser::ParserContext;
use style::parser::{LengthParsingMode, ParserContext};
use style::stylesheets::CssRuleType;
use style::supports::{Declaration, parse_condition_or_declaration};
@ -30,7 +30,8 @@ impl CSS {
pub fn Supports(win: &Window, property: DOMString, value: DOMString) -> bool {
let decl = Declaration { prop: property.into(), val: value.into() };
let url = win.Document().url();
let context = ParserContext::new_for_cssom(&url, win.css_error_reporter(), Some(CssRuleType::Supports));
let context = ParserContext::new_for_cssom(&url, win.css_error_reporter(), Some(CssRuleType::Supports),
LengthParsingMode::Default);
decl.eval(&context)
}
@ -40,7 +41,8 @@ impl CSS {
let cond = parse_condition_or_declaration(&mut input);
if let Ok(cond) = cond {
let url = win.Document().url();
let context = ParserContext::new_for_cssom(&url, win.css_error_reporter(), Some(CssRuleType::Supports));
let context = ParserContext::new_for_cssom(&url, win.css_error_reporter(), Some(CssRuleType::Supports),
LengthParsingMode::Default);
cond.eval(&context)
} else {
false