forked from mirrors/gecko-dev
be2b512750
The rustup is needed for https://github.com/rust-lang/rust/pull/40039. Source-Repo: https://github.com/servo/servo Source-Revision: a204c4176dcccdad8ec99d74055c66794c3f64ba --HG-- rename : servo/components/domobject_derive/Cargo.toml => servo/components/dom_struct/Cargo.toml extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear extra : subtree_revision : 2cad140c3d6b99837f0bd15a6f3ccba0f353e049
61 lines
2 KiB
Rust
61 lines
2 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use core::nonzero::NonZero;
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use dom::bindings::codegen::Bindings::TextEncoderBinding;
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use dom::bindings::codegen::Bindings::TextEncoderBinding::TextEncoderMethods;
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use dom::bindings::error::Fallible;
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use dom::bindings::js::Root;
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use dom::bindings::reflector::{Reflector, reflect_dom_object};
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use dom::bindings::str::{DOMString, USVString};
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use dom::globalscope::GlobalScope;
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use dom_struct::dom_struct;
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use encoding::EncoderTrap;
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use encoding::Encoding;
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use encoding::all::UTF_8;
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use js::jsapi::{JSContext, JSObject};
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use js::typedarray::{Uint8Array, CreateWith};
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use std::ptr;
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#[dom_struct]
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pub struct TextEncoder {
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reflector_: Reflector,
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}
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impl TextEncoder {
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fn new_inherited() -> TextEncoder {
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TextEncoder {
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reflector_: Reflector::new(),
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}
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}
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pub fn new(global: &GlobalScope) -> Root<TextEncoder> {
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reflect_dom_object(box TextEncoder::new_inherited(),
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global,
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TextEncoderBinding::Wrap)
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}
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// https://encoding.spec.whatwg.org/#dom-textencoder
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pub fn Constructor(global: &GlobalScope) -> Fallible<Root<TextEncoder>> {
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Ok(TextEncoder::new(global))
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}
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}
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impl TextEncoderMethods for TextEncoder {
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// https://encoding.spec.whatwg.org/#dom-textencoder-encoding
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fn Encoding(&self) -> DOMString {
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DOMString::from(UTF_8.name())
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}
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#[allow(unsafe_code)]
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// https://encoding.spec.whatwg.org/#dom-textencoder-encode
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unsafe fn Encode(&self, cx: *mut JSContext, input: USVString) -> NonZero<*mut JSObject> {
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let encoded = UTF_8.encode(&input.0, EncoderTrap::Strict).unwrap();
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rooted!(in(cx) let mut js_object = ptr::null_mut());
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assert!(Uint8Array::create(cx, CreateWith::Slice(&encoded), js_object.handle_mut()).is_ok());
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NonZero::new(js_object.get())
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}
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}
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