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// SPDX-FileCopyrightText: 2022 Linus Jahn <lnj@kaidan.im>
//
// SPDX-License-Identifier: LGPL-2.1-or-later
#include "QXmppError.h"
#include "QXmppStanza.h"
#include <QFileDevice>
#include <QNetworkReply>
///
/// \class QXmppError
///
/// Generic error class holding a description and a more specific error object. The specific error
/// usually is something like a QXmppStanza::Error or an enum.
///
/// \since QXmpp 1.5
///
///
/// \var QXmppError::description
///
/// Human readable description of the error.
///
///
/// \var QXmppError::error
///
/// More specific details on the error. It may be of any type. Functions returning QXmppError
/// should tell you which types are used.
///
///
/// Constructs a QXmppError from an QIODevice
///
/// It tries to cast the IO device to different known IO devices to get a useful more specific
/// error, i.e. it returns a QXmppError with QFileDevice::FileError for QFileDevices.
///
QXmppError QXmppError::fromIoDevice(const QIODevice &device)
{
if (const auto *file = dynamic_cast<const QFileDevice *>(&device)) {
return QXmppError { file->errorString(), file->error() };
}
return QXmppError { device.errorString(), std::any() };
}
///
/// Returns whether the error is a QNetworkReply::NetworkError.
///
bool QXmppError::isFileError() const
{
return holdsType<QFileDevice::FileError>();
}
///
/// Returns whether the error is a QNetworkReply::NetworkError.
///
bool QXmppError::isNetworkError() const
{
return holdsType<QNetworkReply::NetworkError>();
}
///
/// Returns whether the error is a QXmppStanza::Error.
///
bool QXmppError::isStanzaError() const
{
return holdsType<QXmppStanza::Error>();
}
///
/// \fn QXmppError::holdsType()
///
/// Returns true if the error is of type T.
///
///
/// \fn QXmppError::value()
///
/// Copies the value if it has type T, returns empty optional otherwise.
///
///
/// \fn QXmppError::takeValue()
///
/// Moves out the value if it has type T, leaves the stored error intact and returns an empty
/// optional otherwise.
///
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