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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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 DOM_COMPRESSION_FORMATBROTLI_H_
#define DOM_COMPRESSION_FORMATBROTLI_H_
#include "BaseAlgorithms.h"
struct BrotliDecoderStateStruct;
struct BrotliEncoderStateStruct;
// See the brotli manual
// https://searchfox.org/firefox-main/source/modules/brotli/include/brotli/decode.h
namespace mozilla::dom::compression {
class BrotliCompressionStreamAlgorithms : public CompressionStreamAlgorithms {
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(BrotliCompressionStreamAlgorithms,
CompressionStreamAlgorithms)
static Result<already_AddRefed<BrotliCompressionStreamAlgorithms>, nsresult>
Create();
private:
BrotliCompressionStreamAlgorithms() = default;
[[nodiscard]] nsresult Init();
// Shared by:
// https://wicg.github.io/compression/#compress-and-enqueue-a-chunk
// https://wicg.github.io/compression/#compress-flush-and-enqueue
void Compress(JSContext* aCx, Span<const uint8_t> aInput,
JS::MutableHandleVector<JSObject*> aOutput, Flush aFlush,
ErrorResult& aRv) override;
~BrotliCompressionStreamAlgorithms() = default;
struct BrotliDeleter {
void operator()(BrotliEncoderStateStruct* aState);
};
std::unique_ptr<BrotliEncoderStateStruct, BrotliDeleter> mState;
};
class BrotliDecompressionStreamAlgorithms
: public DecompressionStreamAlgorithms {
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(BrotliDecompressionStreamAlgorithms,
DecompressionStreamAlgorithms)
static Result<already_AddRefed<BrotliDecompressionStreamAlgorithms>, nsresult>
Create();
private:
BrotliDecompressionStreamAlgorithms() = default;
[[nodiscard]] nsresult Init();
// Shared by:
// https://wicg.github.io/compression/#decompress-and-enqueue-a-chunk
// https://wicg.github.io/compression/#decompress-flush-and-enqueue
// All data errors throw TypeError by step 2: If this results in an error,
// then throw a TypeError.
bool Decompress(JSContext* aCx, Span<const uint8_t> aInput,
JS::MutableHandleVector<JSObject*> aOutput, Flush aFlush,
ErrorResult& aRv) override;
~BrotliDecompressionStreamAlgorithms() = default;
struct BrotliDeleter {
void operator()(BrotliDecoderStateStruct* aState);
};
std::unique_ptr<BrotliDecoderStateStruct, BrotliDeleter> mState;
};
} // namespace mozilla::dom::compression
#endif // DOM_COMPRESSION_FORMATBROTLI_H_
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