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/*
* Copyright (C) 2016-2020 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "BufferSource.h"
#include "ExceptionOr.h"
#include <pal/text/TextEncoding.h>
#include <wtf/RefCounted.h>
namespace PAL {
class TextCodec;
}
namespace WebCore {
class TextDecoder final : public RefCounted<TextDecoder> {
public:
~TextDecoder();
struct Options {
bool fatal { false };
bool ignoreBOM { false };
};
static ExceptionOr<Ref<TextDecoder>> create(const String& label, Options);
String encoding() const;
bool fatal() const { return m_options.fatal; }
bool ignoreBOM() const { return m_options.ignoreBOM; }
struct DecodeOptions {
bool stream { false };
};
ExceptionOr<String> decode(std::optional<BufferSource::VariantType>, DecodeOptions);
private:
TextDecoder(StringView, Options);
const PAL::TextEncoding m_textEncoding;
const Options m_options;
std::unique_ptr<PAL::TextCodec> m_codec;
size_t m_decodedBytes { 0 };
};
}
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