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102 lines
2.8 KiB
C++
102 lines
2.8 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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#include "parser.h"
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#include "filedata.h"
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#include "parserprivate.h"
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#include "snapshotitem.h"
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#include <QtCore/QIODevice>
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#include <QtCore/QScopedPointer>
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using namespace Massif;
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Parser::Parser()
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: m_errorLine(-1)
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{
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}
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Parser::~Parser()
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{
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}
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FileData* Parser::parse(QIODevice* file, const QStringList& customAllocators, QAtomicInt* shouldStop)
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{
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Q_ASSERT(file->isOpen());
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Q_ASSERT(file->isReadable());
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QScopedPointer<FileData> data(new FileData);
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ParserPrivate p(this, file, data.data(), customAllocators, shouldStop);
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if (p.error()) {
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m_errorLine = p.errorLine();
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m_errorLineString = p.errorLineString();
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return 0;
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} else {
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m_errorLine = -1;
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m_errorLineString.clear();
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}
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// when a massif run gets terminated (^C) the snapshot data might be wrong,
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// hence just always ensure we pick the proper peak ourselves
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if (!data->snapshots().isEmpty()) {
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foreach ( SnapshotItem* snapshot, data->snapshots() ) {
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if (!snapshot->heapTree()) {
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// peak should have detailed info
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continue;
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}
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if (!data->peak() || snapshot->cost() > data->peak()->cost()) {
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data->setPeak(snapshot);
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}
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}
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// still not found? pick any other snapshot
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if (!data->peak()) {
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foreach( SnapshotItem* snapshot, data->snapshots() ) {
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if (!data->peak() || snapshot->cost() > data->peak()->cost()) {
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data->setPeak(snapshot);
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}
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}
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}
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}
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// peak might still be zero if we have no snapshots, should be handled in the UI then
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return data.take();
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}
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int Parser::errorLine() const
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{
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return m_errorLine;
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}
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QByteArray Parser::errorLineString() const
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{
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return m_errorLineString;
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}
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void Parser::setProgress(int value)
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{
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emit progress(value);
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}
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#include "parser.moc"
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