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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* 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/. */
#ifndef builtin_Stream_h
#define builtin_Stream_h
#include "builtin/Promise.h"
#include "vm/NativeObject.h"
namespace js {
class AutoSetNewObjectMetadata;
class ReadableStream : public NativeObject
{
public:
static ReadableStream* createDefaultStream(JSContext* cx, HandleValue underlyingSource,
HandleValue size, HandleValue highWaterMark,
HandleObject proto = nullptr);
static ReadableStream* createByteStream(JSContext* cx, HandleValue underlyingSource,
HandleValue highWaterMark,
HandleObject proto = nullptr);
static ReadableStream* createExternalSourceStream(JSContext* cx, void* underlyingSource,
uint8_t flags, HandleObject proto = nullptr);
bool readable() const;
bool closed() const;
bool errored() const;
bool disturbed() const;
bool locked() const;
void desiredSize(bool* hasSize, double* size) const;
JS::ReadableStreamMode mode() const;
[[nodiscard]] static bool close(JSContext* cx, Handle<ReadableStream*> stream);
[[nodiscard]] static JSObject* cancel(JSContext* cx, Handle<ReadableStream*> stream,
HandleValue reason);
[[nodiscard]] static bool error(JSContext* cx, Handle<ReadableStream*> stream,
HandleValue error);
[[nodiscard]] static NativeObject* getReader(JSContext* cx, Handle<ReadableStream*> stream,
JS::ReadableStreamReaderMode mode);
[[nodiscard]] static bool tee(JSContext* cx,
Handle<ReadableStream*> stream, bool cloneForBranch2,
MutableHandle<ReadableStream*> branch1Stream,
MutableHandle<ReadableStream*> branch2Stream);
[[nodiscard]] static bool enqueue(JSContext* cx, Handle<ReadableStream*> stream,
HandleValue chunk);
[[nodiscard]] static bool enqueueBuffer(JSContext* cx, Handle<ReadableStream*> stream,
Handle<ArrayBufferObject*> chunk);
[[nodiscard]] static bool getExternalSource(JSContext* cx, Handle<ReadableStream*> stream,
void** source);
void releaseExternalSource();
uint8_t embeddingFlags() const;
[[nodiscard]] static bool updateDataAvailableFromSource(JSContext* cx,
Handle<ReadableStream*> stream,
uint32_t availableData);
enum State {
Readable = 1 << 0,
Closed = 1 << 1,
Errored = 1 << 2,
Disturbed = 1 << 3
};
private:
[[nodiscard]] static ReadableStream* createStream(JSContext* cx, HandleObject proto = nullptr);
public:
static bool constructor(JSContext* cx, unsigned argc, Value* vp);
static const ClassSpec classSpec_;
static const Class class_;
static const ClassSpec protoClassSpec_;
static const Class protoClass_;
};
class ReadableStreamDefaultReader : public NativeObject
{
public:
[[nodiscard]] static JSObject* read(JSContext* cx, Handle<ReadableStreamDefaultReader*> reader);
static bool constructor(JSContext* cx, unsigned argc, Value* vp);
static const ClassSpec classSpec_;
static const Class class_;
static const ClassSpec protoClassSpec_;
static const Class protoClass_;
};
class ReadableStreamBYOBReader : public NativeObject
{
public:
[[nodiscard]] static JSObject* read(JSContext* cx, Handle<ReadableStreamBYOBReader*> reader,
Handle<ArrayBufferViewObject*> view);
static bool constructor(JSContext* cx, unsigned argc, Value* vp);
static const ClassSpec classSpec_;
static const Class class_;
static const ClassSpec protoClassSpec_;
static const Class protoClass_;
};
bool ReadableStreamReaderIsClosed(const JSObject* reader);
[[nodiscard]] bool ReadableStreamReaderCancel(JSContext* cx, HandleObject reader,
HandleValue reason);
[[nodiscard]] bool ReadableStreamReaderReleaseLock(JSContext* cx, HandleObject reader);
class ReadableStreamDefaultController : public NativeObject
{
public:
static bool constructor(JSContext* cx, unsigned argc, Value* vp);
static const ClassSpec classSpec_;
static const Class class_;
static const ClassSpec protoClassSpec_;
static const Class protoClass_;
};
class ReadableByteStreamController : public NativeObject
{
public:
bool hasExternalSource();
static bool constructor(JSContext* cx, unsigned argc, Value* vp);
static const ClassSpec classSpec_;
static const Class class_;
static const ClassSpec protoClassSpec_;
static const Class protoClass_;
};
class ReadableStreamBYOBRequest : public NativeObject
{
public:
static bool constructor(JSContext* cx, unsigned argc, Value* vp);
static const ClassSpec classSpec_;
static const Class class_;
static const ClassSpec protoClassSpec_;
static const Class protoClass_;
};
class ByteLengthQueuingStrategy : public NativeObject
{
public:
static bool constructor(JSContext* cx, unsigned argc, Value* vp);
static const ClassSpec classSpec_;
static const Class class_;
static const ClassSpec protoClassSpec_;
static const Class protoClass_;
};
class CountQueuingStrategy : public NativeObject
{
public:
static bool constructor(JSContext* cx, unsigned argc, Value* vp);
static const ClassSpec classSpec_;
static const Class class_;
static const ClassSpec protoClassSpec_;
static const Class protoClass_;
};
} // namespace js
#endif /* builtin_Stream_h */
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