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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "qmljsmodelmanagerinterface.h"
using namespace QmlJS;
/*!
\class QmlJS::ModelManagerInterface
\brief Interface to the global state of the QmlJS code model.
\sa QmlJS::Document QmlJS::Snapshot QmlJSTools::Internal::ModelManager
The ModelManagerInterface is an interface for global state and actions in
the QmlJS code model. It is implemented by \l{QmlJSTools::Internal::ModelManager}
and the instance can be accessed through ModelManagerInterface::instance().
One of its primary concerns is to keep the Snapshots it
maintains up to date by parsing documents and finding QML modules.
It has a Snapshot that contains only valid Documents,
accessible through ModelManagerInterface::snapshot() and a Snapshot with
potentially more recent, but invalid documents that is exposed through
ModelManagerInterface::newestSnapshot().
*/
static ModelManagerInterface *g_instance = 0;
ModelManagerInterface::ModelManagerInterface(QObject *parent)
: QObject(parent)
{
Q_ASSERT(! g_instance);
g_instance = this;
}
ModelManagerInterface::~ModelManagerInterface()
{
Q_ASSERT(g_instance == this);
g_instance = 0;
}
ModelManagerInterface *ModelManagerInterface::instance()
{
return g_instance;
}
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