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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use std::ptr;
use dom_struct::dom_struct;
use js::jsapi::JSObject;
use js::rust::HandleObject;
use js::typedarray::Uint8Array;
use crate::dom::bindings::buffer_source::create_buffer_source;
use crate::dom::bindings::codegen::Bindings::TextEncoderBinding::TextEncoderMethods;
use crate::dom::bindings::error::Fallible;
use crate::dom::bindings::reflector::{reflect_dom_object_with_proto, Reflector};
use crate::dom::bindings::root::DomRoot;
use crate::dom::bindings::str::{DOMString, USVString};
use crate::dom::globalscope::GlobalScope;
use crate::script_runtime::JSContext;
#[dom_struct]
pub struct TextEncoder {
reflector_: Reflector,
}
impl TextEncoder {
fn new_inherited() -> TextEncoder {
TextEncoder {
reflector_: Reflector::new(),
}
}
fn new(global: &GlobalScope, proto: Option<HandleObject>) -> DomRoot<TextEncoder> {
reflect_dom_object_with_proto(Box::new(TextEncoder::new_inherited()), global, proto)
}
// https://encoding.spec.whatwg.org/#dom-textencoder
#[allow(non_snake_case)]
pub fn Constructor(
global: &GlobalScope,
proto: Option<HandleObject>,
) -> Fallible<DomRoot<TextEncoder>> {
Ok(TextEncoder::new(global, proto))
}
}
impl TextEncoderMethods for TextEncoder {
// https://encoding.spec.whatwg.org/#dom-textencoder-encoding
fn Encoding(&self) -> DOMString {
DOMString::from("utf-8")
}
// https://encoding.spec.whatwg.org/#dom-textencoder-encode
fn Encode(&self, cx: JSContext, input: USVString) -> Uint8Array {
let encoded = input.0.as_bytes();
rooted!(in(*cx) let mut js_object = ptr::null_mut::<JSObject>());
create_buffer_source(cx, encoded, js_object.handle_mut())
.expect("Converting input to uint8 array should never fail")
}
}
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