/*
 * Copyright (C) 2015 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. AND ITS CONTRIBUTORS ``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 ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 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 <wtf/text/WTFString.h>

#if USE(COCOA_EVENT_LOOP)
#include <wtf/SchedulePair.h>
#endif

namespace WebCore {

class FragmentedSharedBuffer;

namespace DataURLDecoder {

struct Result {
    String mimeType;
    String charset;
    String contentType;
    Vector<uint8_t> data;
};

using DecodeCompletionHandler = Function<void(std::optional<Result>)>;
struct ScheduleContext {
#if USE(COCOA_EVENT_LOOP)
    SchedulePairHashSet scheduledPairs;
#endif
};

enum class ShouldValidatePadding : bool { No, Yes };

WEBCORE_EXPORT void decode(const URL&, const ScheduleContext&, ShouldValidatePadding, DecodeCompletionHandler&&);
WEBCORE_EXPORT std::optional<Result> decode(const URL&, ShouldValidatePadding = ShouldValidatePadding::Yes);

}

}
