зеркало из https://github.com/mozilla/gecko-dev.git
servo: Merge #4678 - Document structuredclone.rs (from Ms2ger:doc-clone); r=jdm
Source-Repo: https://github.com/servo/servo Source-Revision: 89645391bf42edd9977ed1b6f9b430ad786f209e
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@ -2,6 +2,11 @@
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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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//! This module implements structured cloning, as defined by [HTML]
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//! (https://html.spec.whatwg.org/multipage/#safe-passing-of-structured-data).
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#![deny(missing_docs)]
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use dom::bindings::error::Fallible;
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use dom::bindings::error::Error::DataClone;
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use dom::bindings::global::GlobalRef;
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@ -15,12 +20,14 @@ use js::jsval::{JSVal, UndefinedValue};
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use libc::size_t;
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use std::ptr;
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/// A buffer for a structured clone.
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pub struct StructuredCloneData {
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data: *mut u64,
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nbytes: size_t,
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}
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impl StructuredCloneData {
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/// Writes a structured clone. Returns a `DataClone` error if that fails.
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pub fn write(cx: *mut JSContext, message: JSVal)
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-> Fallible<StructuredCloneData> {
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let mut data = ptr::null_mut();
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@ -39,6 +46,9 @@ impl StructuredCloneData {
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})
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}
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/// Reads a structured clone.
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///
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/// Panics if `JS_ReadStructuredClone` fails.
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pub fn read(self, global: GlobalRef) -> JSVal {
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let mut message = UndefinedValue();
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unsafe {
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