Source/WebKit/NetworkProcess/cache/NetworkCacheCoders.cpp

/*
 * Copyright (C) 2011, 2014-2015 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.
 */

#include "config.h"
#include "NetworkCacheCoders.h"

namespace WTF {
namespace Persistence {

// Store common HTTP headers as strings instead of using their value in the HTTPHeaderName enumeration
// so that the headers stored in the cache stays valid even after HTTPHeaderName.in gets updated.
void Coder<WebCore::HTTPHeaderMap>::encode(Encoder& encoder, const WebCore::HTTPHeaderMap& headers)
{
    encoder << static_cast<uint64_t>(headers.size());
    for (auto& keyValue : headers) {
        encoder << keyValue.key;
        encoder << keyValue.value;
    }
}

bool Coder<WebCore::HTTPHeaderMap>::decode(Decoder& decoder, WebCore::HTTPHeaderMap& headers)
{
    uint64_t headersSize;
    if (!decoder.decode(headersSize))
        return false;
    for (uint64_t i = 0; i < headersSize; ++i) {
        String name;
        if (!decoder.decode(name))
            return false;
        String value;
        if (!decoder.decode(value))
            return false;
        headers.append(name, value);
    }
    return true;
}

}
}