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Introduce Finite<T: Float> for restricted values defined in WebIDL.

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This commit is contained in:
Tetsuharu OHZEKI 2015-03-04 20:28:57 +09:00
parent 2bf2c0020b
commit f7fd34c0aa
5 changed files with 114 additions and 30 deletions
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42
components/script/dom/bindings/conversions.rs
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@ -17,9 +17,9 @@
//! | long long | `i64` |
//! | unsigned long long | `u64` |
//! | unrestricted float | `f32` |
//! | float | `f32` |
//! | float | `Finite<f32>` |
//! | unrestricted double | `f64` |
//! | double | `f64` |
//! | double | `Finite<f64>` |
//! | DOMString | `DOMString` |
//! | USVString | `USVString` |
//! | ByteString | `ByteString` |
@ -34,6 +34,7 @@
use dom::bindings::codegen::PrototypeList;
use dom::bindings::js::{JSRef, Root, Unrooted};
use dom::bindings::num::Finite;
use dom::bindings::str::{ByteString, USVString};
use dom::bindings::utils::{Reflectable, Reflector, DOMClass};
use util::str::DOMString;
@ -256,6 +257,24 @@ impl FromJSValConvertible for f32 {
}
}
impl ToJSValConvertible for Finite<f32> {
fn to_jsval(&self, cx: *mut JSContext) -> JSVal {
let value = self.clone().unwrap();
value.to_jsval(cx)
}
}
impl FromJSValConvertible for Finite<f32> {
type Config = ();
fn from_jsval(cx: *mut JSContext, val: JSVal, option: ()) -> Result<Finite<f32>, ()> {
let result = FromJSValConvertible::from_jsval(cx, val, option);
let result = result.and_then(|v| {
Finite::<f32>::new(v).ok_or(())
});
result
}
}
impl ToJSValConvertible for f64 {
fn to_jsval(&self, _cx: *mut JSContext) -> JSVal {
unsafe {
@ -271,6 +290,25 @@ impl FromJSValConvertible for f64 {
}
}
impl ToJSValConvertible for Finite<f64> {
#[inline]
fn to_jsval(&self, cx: *mut JSContext) -> JSVal {
let value = self.clone().unwrap();
value.to_jsval(cx)
}
}
impl FromJSValConvertible for Finite<f64> {
type Config = ();
fn from_jsval(cx: *mut JSContext, val: JSVal, option: ()) -> Result<Finite<f64>, ()> {
let result = FromJSValConvertible::from_jsval(cx, val, option);
let result = result.and_then(|v| {
Finite::<f64>::new(v).ok_or(())
});
result
}
}
impl ToJSValConvertible for str {
fn to_jsval(&self, cx: *mut JSContext) -> JSVal {
unsafe {