forked from qt-creator/qt-creator
Add qmlinspector plugin.
This commit is contained in:
Bea Lam
219
src/plugins/qmlinspector/components/objecttree.cpp
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219
src/plugins/qmlinspector/components/objecttree.cpp
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/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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**
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**************************************************************************/
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#include <QtGui/qevent.h>
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#include <QtGui/qmenu.h>
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#include <QtGui/qaction.h>
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#include <QInputDialog>
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#include <private/qmldebugservice_p.h>
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#include <private/qmldebug_p.h>
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#include <private/qmldebugclient_p.h>
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#include "objecttree.h"
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Q_DECLARE_METATYPE(QmlDebugObjectReference)
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ObjectTree::ObjectTree(QmlEngineDebug *client, QWidget *parent)
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: QTreeWidget(parent),
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m_client(client),
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m_query(0)
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{
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setHeaderHidden(true);
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setMinimumWidth(250);
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setExpandsOnDoubleClick(false);
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connect(this, SIGNAL(currentItemChanged(QTreeWidgetItem *, QTreeWidgetItem *)),
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SLOT(currentItemChanged(QTreeWidgetItem *)));
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connect(this, SIGNAL(itemActivated(QTreeWidgetItem *, int)),
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SLOT(activated(QTreeWidgetItem *)));
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}
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void ObjectTree::setEngineDebug(QmlEngineDebug *client)
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{
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m_client = client;
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}
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void ObjectTree::reload(int objectDebugId)
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{
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if (!m_client)
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return;
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if (m_query) {
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delete m_query;
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m_query = 0;
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}
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m_query = m_client->queryObjectRecursive(QmlDebugObjectReference(objectDebugId), this);
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if (!m_query->isWaiting())
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objectFetched();
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else
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QObject::connect(m_query, SIGNAL(stateChanged(QmlDebugQuery::State)),
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this, SLOT(objectFetched()));
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}
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void ObjectTree::setCurrentObject(int debugId)
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{
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QTreeWidgetItem *item = findItemByObjectId(debugId);
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if (item) {
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setCurrentItem(item);
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scrollToItem(item);
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item->setExpanded(true);
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}
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}
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void ObjectTree::objectFetched()
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{
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dump(m_query->object(), 0);
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buildTree(m_query->object(), 0);
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setCurrentItem(topLevelItem(0));
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delete m_query;
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m_query = 0;
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}
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void ObjectTree::currentItemChanged(QTreeWidgetItem *item)
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{
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if (!item)
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return;
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QmlDebugObjectReference obj = item->data(0, Qt::UserRole).value<QmlDebugObjectReference>();
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if (obj.debugId() >= 0)
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emit currentObjectChanged(obj);
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}
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void ObjectTree::activated(QTreeWidgetItem *item)
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{
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if (!item)
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return;
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QmlDebugObjectReference obj = item->data(0, Qt::UserRole).value<QmlDebugObjectReference>();
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if (obj.debugId() >= 0)
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emit activated(obj);
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}
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void ObjectTree::buildTree(const QmlDebugObjectReference &obj, QTreeWidgetItem *parent)
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{
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if (!parent)
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clear();
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QTreeWidgetItem *item = parent ? new QTreeWidgetItem(parent) : new QTreeWidgetItem(this);
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item->setText(0, obj.className());
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item->setData(0, Qt::UserRole, qVariantFromValue(obj));
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if (parent && obj.contextDebugId() >= 0
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&& obj.contextDebugId() != parent->data(0, Qt::UserRole
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).value<QmlDebugObjectReference>().contextDebugId()) {
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QmlDebugFileReference source = obj.source();
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if (!source.url().isEmpty()) {
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QString toolTipString = QLatin1String("URL: ") + source.url().toString();
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item->setToolTip(0, toolTipString);
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}
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item->setForeground(0, QColor("orange"));
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} else {
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item->setExpanded(true);
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}
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if (obj.contextDebugId() < 0)
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item->setForeground(0, Qt::lightGray);
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for (int ii = 0; ii < obj.children().count(); ++ii)
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buildTree(obj.children().at(ii), item);
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}
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void ObjectTree::dump(const QmlDebugContextReference &ctxt, int ind)
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{
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QByteArray indent(ind * 4, ' ');
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qWarning().nospace() << indent.constData() << ctxt.debugId() << " "
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<< qPrintable(ctxt.name());
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for (int ii = 0; ii < ctxt.contexts().count(); ++ii)
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dump(ctxt.contexts().at(ii), ind + 1);
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for (int ii = 0; ii < ctxt.objects().count(); ++ii)
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dump(ctxt.objects().at(ii), ind);
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}
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void ObjectTree::dump(const QmlDebugObjectReference &obj, int ind)
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{
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QByteArray indent(ind * 4, ' ');
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qWarning().nospace() << indent.constData() << qPrintable(obj.className())
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<< " " << qPrintable(obj.name()) << " "
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<< obj.debugId();
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for (int ii = 0; ii < obj.children().count(); ++ii)
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dump(obj.children().at(ii), ind + 1);
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}
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QTreeWidgetItem *ObjectTree::findItemByObjectId(int debugId) const
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{
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for (int i=0; i<topLevelItemCount(); ++i) {
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QTreeWidgetItem *item = findItem(topLevelItem(i), debugId);
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if (item)
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return item;
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}
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return 0;
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}
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QTreeWidgetItem *ObjectTree::findItem(QTreeWidgetItem *item, int debugId) const
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{
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if (item->data(0, Qt::UserRole).value<QmlDebugObjectReference>().debugId() == debugId)
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return item;
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QTreeWidgetItem *child;
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for (int i=0; i<item->childCount(); ++i) {
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child = findItem(item->child(i), debugId);
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if (child)
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return child;
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}
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return 0;
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}
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void ObjectTree::mousePressEvent(QMouseEvent *me)
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{
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QTreeWidget::mousePressEvent(me);
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if (!currentItem())
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return;
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if(me->button() == Qt::RightButton && me->type() == QEvent::MouseButtonPress) {
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QAction action(tr("Add watch..."), 0);
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QList<QAction *> actions;
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actions << &action;
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QmlDebugObjectReference obj =
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currentItem()->data(0, Qt::UserRole).value<QmlDebugObjectReference>();
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if (QMenu::exec(actions, me->globalPos())) {
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bool ok = false;
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QString watch = QInputDialog::getText(this, tr("Watch expression"),
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tr("Expression:"), QLineEdit::Normal, QString(), &ok);
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if (ok && !watch.isEmpty())
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emit expressionWatchRequested(obj, watch);
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}
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}
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}
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