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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "invoker.h"
namespace ExtensionSystem {
/*!
\class ExtensionSystem::InvokerBase
\internal
*/
/*!
\class ExtensionSystem::Invoker
\internal
*/
/*!
\fn template <class Result> Result ExtensionSystem::invoke(QObject *target, const char *slot)
Invokes \a slot on \a target by name via Qt's meta method system.
Returns the result of the meta call.
*/
/*!
\fn template <class Result, class T0> Result ExtensionSystem::invoke(QObject *target, const char *slot, const T0 &t0)
Invokes \a slot on \a target with argument \a t0 by name via Qt's meta method system.
Returns the result of the meta call.
*/
/*!
\fn template <class Result, class T0, class T1> Result ExtensionSystem::invoke(QObject *target, const char *slot, const T0 &t0, const T1 &t1)
Invokes \a slot on \a target with arguments \a t0 and \a t1 by name via Qt's meta method system.
Returns the result of the meta call.
*/
/*!
\fn template <class Result, class T0, class T1, class T2> Result ExtensionSystem::invoke(QObject *target, const char *slot, const T0 &t0, const T1 &t1, const T2 &t2)
Invokes \a slot on \a target with arguments \a t0, \a t1 and \a t2 by name
via Qt's meta method system.
Returns the result of the meta call.
*/
InvokerBase::InvokerBase()
{
lastArg = 0;
useRet = false;
nag = true;
success = true;
connectionType = Qt::AutoConnection;
target = nullptr;
}
InvokerBase::~InvokerBase()
{
if (!success && nag)
qWarning("Could not invoke function '%s' in object of type '%s'.",
sig.constData(), target->metaObject()->className());
}
bool InvokerBase::wasSuccessful() const
{
nag = false;
return success;
}
void InvokerBase::setConnectionType(Qt::ConnectionType c)
{
connectionType = c;
}
void InvokerBase::invoke(QObject *t, const char *slot)
{
target = t;
success = false;
sig.append(slot, qstrlen(slot));
sig.append('(');
for (int paramCount = 0; paramCount < lastArg; ++paramCount) {
if (paramCount)
sig.append(',');
const char *type = arg[paramCount].name();
sig.append(type, int(strlen(type)));
}
sig.append(')');
sig.append('\0');
int idx = target->metaObject()->indexOfMethod(sig.constData());
if (idx < 0)
return;
QMetaMethod method = target->metaObject()->method(idx);
if (useRet)
success = method.invoke(target, connectionType, ret,
arg[0], arg[1], arg[2], arg[3], arg[4],
arg[5], arg[6], arg[7], arg[8], arg[9]);
else
success = method.invoke(target, connectionType,
arg[0], arg[1], arg[2], arg[3], arg[4],
arg[5], arg[6], arg[7], arg[8], arg[9]);
}
} // namespace ExtensionSystem
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