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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* 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 http://mozilla.org/MPL/2.0/. */
/* Class WritableStream. */
#ifndef builtin_streams_WritableStream_inl_h
#define builtin_streams_WritableStream_inl_h
#include "builtin/streams/WritableStream.h"
#include "mozilla/Assertions.h" // MOZ_ASSERT
#include "mozilla/Attributes.h" // MOZ_MUST_USE
#include "jstypes.h" // JS_PUBLIC_API
#include "builtin/streams/WritableStreamDefaultWriter.h" // js::WritableStreamDefaultWriter
#include "js/RootingAPI.h" // JS::Handle
#include "js/Value.h" // JS::{,Object}Value
#include "vm/Compartment-inl.h" // js::UnwrapInternalSlot
struct JS_PUBLIC_API JSContext;
namespace js {
/**
* Returns the writer associated with the given stream.
*
* Must only be called on WritableStreams that already have a writer
* associated with them.
*
* If the writer is a wrapper, it will be unwrapped, so the result might not be
* an object from the currently active compartment.
*/
inline MOZ_MUST_USE WritableStreamDefaultWriter* UnwrapWriterFromStream(
JSContext* cx, JS::Handle<WritableStream*> unwrappedStream) {
MOZ_ASSERT(unwrappedStream->hasWriter());
return UnwrapInternalSlot<WritableStreamDefaultWriter>(
cx, unwrappedStream, WritableStream::Slot_Writer);
}
} // namespace js
#endif // builtin_streams_WritableStream_inl_h
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