Mercurial > hg > svcore
view data/model/Model.cpp @ 961:fae5689f7e27
Frame this condition more defensively (from coverity scan)
author | Chris Cannam |
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date | Wed, 03 Sep 2014 09:57:30 +0100 |
parents | 4b9fc70a37d5 |
children | 4a2c150ecd67 |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2006 Chris Cannam. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #include "Model.h" #include "AlignmentModel.h" #include <QTextStream> #include <iostream> const int Model::COMPLETION_UNKNOWN = -1; Model::~Model() { // SVDEBUG << "Model::~Model(" << this << ")" << endl; if (!m_aboutToDelete) { SVDEBUG << "NOTE: Model::~Model(" << this << ", \"" << objectName() << "\"): Model deleted " << "with no aboutToDelete notification" << endl; } if (m_alignment) { m_alignment->aboutToDelete(); delete m_alignment; } } void Model::setSourceModel(Model *model) { if (m_sourceModel) { disconnect(m_sourceModel, SIGNAL(aboutToBeDeleted()), this, SLOT(sourceModelAboutToBeDeleted())); } m_sourceModel = model; if (m_sourceModel) { connect(m_sourceModel, SIGNAL(alignmentCompletionChanged()), this, SIGNAL(alignmentCompletionChanged())); connect(m_sourceModel, SIGNAL(aboutToBeDeleted()), this, SLOT(sourceModelAboutToBeDeleted())); } } void Model::aboutToDelete() { // cerr << "Model(" << this << ")::aboutToDelete()" << endl; if (m_aboutToDelete) { cerr << "WARNING: Model(" << this << ", \"" << objectName() << "\")::aboutToDelete: " << "aboutToDelete called more than once for the same model" << endl; } emit aboutToBeDeleted(); m_aboutToDelete = true; } void Model::sourceModelAboutToBeDeleted() { m_sourceModel = 0; } void Model::setAlignment(AlignmentModel *alignment) { if (m_alignment) { m_alignment->aboutToDelete(); delete m_alignment; } m_alignment = alignment; connect(m_alignment, SIGNAL(completionChanged()), this, SIGNAL(alignmentCompletionChanged())); } const AlignmentModel * Model::getAlignment() const { return m_alignment; } const Model * Model::getAlignmentReference() const { if (!m_alignment) { if (m_sourceModel) return m_sourceModel->getAlignmentReference(); return 0; } return m_alignment->getReferenceModel(); } int Model::alignToReference(int frame) const { // cerr << "Model(" << this << ")::alignToReference(" << frame << ")" << endl; if (!m_alignment) { if (m_sourceModel) return m_sourceModel->alignToReference(frame); else return frame; } int refFrame = m_alignment->toReference(frame); const Model *m = m_alignment->getReferenceModel(); if (m && refFrame > m->getEndFrame()) refFrame = m->getEndFrame(); // cerr << "have alignment, aligned is " << refFrame << endl; return refFrame; } int Model::alignFromReference(int refFrame) const { // cerr << "Model(" << this << ")::alignFromReference(" << refFrame << ")" << endl; if (!m_alignment) { if (m_sourceModel) return m_sourceModel->alignFromReference(refFrame); else return refFrame; } int frame = m_alignment->fromReference(refFrame); if (frame > getEndFrame()) frame = getEndFrame(); // cerr << "have alignment, aligned is " << frame << endl; return frame; } int Model::getAlignmentCompletion() const { // SVDEBUG << "Model::getAlignmentCompletion" << endl; if (!m_alignment) { if (m_sourceModel) return m_sourceModel->getAlignmentCompletion(); else return 100; } int completion = 0; (void)m_alignment->isReady(&completion); // cerr << " -> " << completion << endl; return completion; } QString Model::getTitle() const { if (m_sourceModel) return m_sourceModel->getTitle(); else return ""; } QString Model::getMaker() const { if (m_sourceModel) return m_sourceModel->getMaker(); else return ""; } QString Model::getLocation() const { if (m_sourceModel) return m_sourceModel->getLocation(); else return ""; } void Model::toXml(QTextStream &stream, QString indent, QString extraAttributes) const { stream << indent; stream << QString("<model id=\"%1\" name=\"%2\" sampleRate=\"%3\" start=\"%4\" end=\"%5\" %6/>\n") .arg(getObjectExportId(this)) .arg(encodeEntities(objectName())) .arg(getSampleRate()) .arg(getStartFrame()) .arg(getEndFrame()) .arg(extraAttributes); }