Source/WebCore/platform/network/SocketStreamError.h

/*
 * Copyright (C) 2009, 2016 Apple Inc. All rights reserved.
 * Copyright (C) 2009 Google 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
 * OWNER OR 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>

namespace WebCore {

class SocketStreamError {
public:
    SocketStreamError() = default;

    explicit SocketStreamError(int errorCode)
        : m_errorCode(errorCode)
        , m_isNull(false)
    {
    }

    SocketStreamError(int errorCode, const String& failingURL, const String& localizedDescription)
        : m_errorCode(errorCode)
        , m_failingURL(failingURL)
        , m_localizedDescription(localizedDescription)
        , m_isNull(false)
    {
    }

    bool isNull() const { return m_isNull; }
    int errorCode() const { return m_errorCode; }
    const String& failingURL() const { return m_failingURL; }
    const String& localizedDescription() const { return m_localizedDescription; }

    template<class Encoder> void encode(Encoder&) const;
    template<class Decoder> static bool decode(Decoder&, SocketStreamError&);

private:
    int m_errorCode { 0 };
    String m_failingURL;
    String m_localizedDescription;
    bool m_isNull { true };
};

template<class Encoder>
void SocketStreamError::encode(Encoder& encoder) const
{
    encoder << m_isNull;
    if (m_isNull)
        return;
    encoder << m_errorCode;
    encoder << m_failingURL;
    encoder << m_localizedDescription;
}

template<class Decoder>
bool SocketStreamError::decode(Decoder& decoder, SocketStreamError& error)
{
    if (!decoder.decode(error.m_isNull))
        return false;
    if (error.m_isNull)
        return true;
    if (!decoder.decode(error.m_errorCode))
        return false;
    if (!decoder.decode(error.m_failingURL))
        return false;
    if (!decoder.decode(error.m_localizedDescription))
        return false;
    return true;
}

}