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Implement WebIDL codegen for ByteString.

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This commit is contained in:
Ms2ger 2014-05-01 22:02:53 +02:00
parent 541d581c32
commit 8c879c8bf8
6 changed files with 100 additions and 2 deletions
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42
src/components/script/dom/bindings/conversions.rs
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@ -3,6 +3,7 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use dom::bindings::js::JS;
use dom::bindings::str::ByteString;
use dom::bindings::utils::Reflectable;
use dom::bindings::utils::jsstring_to_str;
use dom::bindings::utils::unwrap_jsmanaged;
@ -12,7 +13,8 @@ use js::jsapi::{JSBool, JSContext};
use js::jsapi::{JS_ValueToUint64, JS_ValueToInt64};
use js::jsapi::{JS_ValueToECMAUint32, JS_ValueToECMAInt32};
use js::jsapi::{JS_ValueToUint16, JS_ValueToNumber, JS_ValueToBoolean};
use js::jsapi::{JS_NewUCStringCopyN, JS_ValueToString};
use js::jsapi::{JS_ValueToString, JS_GetStringCharsAndLength};
use js::jsapi::{JS_NewUCStringCopyN, JS_NewStringCopyN};
use js::jsapi::{JS_WrapValue};
use js::jsval::JSVal;
use js::jsval::{UndefinedValue, NullValue, BooleanValue, Int32Value, UInt32Value};
@ -20,6 +22,7 @@ use js::jsval::{StringValue, ObjectValue};
use js::glue::RUST_JS_NumberValue;
use libc;
use std::default::Default;
use std::slice;
use dom::bindings::codegen::PrototypeList;
@ -253,6 +256,43 @@ impl FromJSValConvertible<StringificationBehavior> for DOMString {
}
}
impl ToJSValConvertible for ByteString {
fn to_jsval(&self, cx: *JSContext) -> JSVal {
unsafe {
let slice = self.as_slice();
let jsstr = JS_NewStringCopyN(cx, slice.as_ptr() as *libc::c_char,
slice.len() as libc::size_t);
if jsstr.is_null() {
fail!("JS_NewStringCopyN failed");
}
StringValue(&*jsstr)
}
}
}
impl FromJSValConvertible<()> for ByteString {
fn from_jsval(cx: *JSContext, value: JSVal, _option: ()) -> Result<ByteString, ()> {
unsafe {
let string = JS_ValueToString(cx, value);
if string.is_null() {
debug!("JS_ValueToString failed");
return Err(());
}
let mut length = 0;
let chars = JS_GetStringCharsAndLength(cx, string, &mut length as *mut _ as *_);
slice::raw::buf_as_slice(chars, length as uint, |char_vec| {
if char_vec.iter().any(|&c| c > 0xFF) {
// XXX Throw
Err(())
} else {
Ok(ByteString::new(char_vec.iter().map(|&c| c as u8).collect()))
}
})
}
}
}
impl<T: Reflectable> ToJSValConvertible for JS<T> {
fn to_jsval(&self, cx: *JSContext) -> JSVal {
let obj = self.reflector().get_jsobject();