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83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
/*
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This file is part of Massif Visualizer
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Copyright 2010 Milian Wolff <mail@milianw.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) version 3, or any
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later version accepted by the membership of KDE e.V. (or its
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successor approved by the membership of KDE e.V.), which shall
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act as a proxy defined in Section 6 of version 3 of the license.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MASSIF_DOTGRAPHGENERATOR_H
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#define MASSIF_DOTGRAPHGENERATOR_H
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#include <QTextStream>
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#include <QThread>
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#include <KTemporaryFile>
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#include "visualizer_export.h"
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namespace Massif {
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class SnapshotItem;
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class TreeLeafItem;
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struct GraphNode;
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class VISUALIZER_EXPORT DotGraphGenerator : public QThread
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{
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Q_OBJECT
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public:
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/**
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* Generates a Dot graph file representing @p snapshot
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* and writes it to a temporary file.
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*/
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DotGraphGenerator(const SnapshotItem* snapshot, const QString& timeUnit, QObject* parent = 0);
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/**
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* Generates a Dot graph file representing @p node
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* and writes it to a temporary file.
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*/
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DotGraphGenerator(const TreeLeafItem* node, const QString& timeUnit, QObject* parent = 0);
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~DotGraphGenerator();
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/**
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* Stops generating the Dot graph file and deletes the temp file.
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*/
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void cancel();
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virtual void run();
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/**
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* @return A path to the generated Dot graph file. Path might be empty if errors occurred.
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*/
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QString outputFile() const;
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/**
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* @return The GraphViz node ID for the most cost-intensive tree leaf item.
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*/
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QString mostCostIntensiveGraphvizId() const;
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private:
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void nodeToDot(GraphNode* node, QTextStream& out, const QString& parentId = QString(), quint64 cost = 0);
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const SnapshotItem* m_snapshot;
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const TreeLeafItem* m_node;
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KTemporaryFile m_file;
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bool m_canceled;
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quint64 m_maxCost;
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QString m_timeUnit;
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QString m_costlyGraphvizId;
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quint64 m_highestCost;
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};
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}
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#endif // MASSIF_DOTGRAPHGENERATOR_H
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