760 lines
19 KiB
C++
760 lines
19 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// LameXP - Audio Encoder Front-End
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// Copyright (C) 2004-2011 LoRd_MuldeR <MuldeR2@GMX.de>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program 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
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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// http://www.gnu.org/licenses/gpl-2.0.txt
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///////////////////////////////////////////////////////////////////////////////
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#include "Global.h"
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#include "Model_CueSheet.h"
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#include "Genres.h"
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#include <QApplication>
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#include <QDir>
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#include <QFileInfo>
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#include <QFont>
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#include <float.h>
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#include <limits>
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////////////////////////////////////////////////////////////
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// Helper Classes
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////////////////////////////////////////////////////////////
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class CueSheetItem
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{
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public:
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virtual const char* type(void) = 0;
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virtual bool isValid(void) { return false; }
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};
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class CueSheetTrack : public CueSheetItem
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{
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public:
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CueSheetTrack(CueSheetFile *parent, int trackNo)
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:
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m_parent(parent),
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m_trackNo(trackNo)
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{
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m_startIndex = std::numeric_limits<double>::quiet_NaN();
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m_duration = std::numeric_limits<double>::infinity();
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}
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int trackNo(void) { return m_trackNo; }
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double startIndex(void) { return m_startIndex; }
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double duration(void) { return m_duration; }
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QString title(void) { return m_title; }
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QString performer(void) { return m_performer; }
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CueSheetFile *parent(void) { return m_parent; }
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void setStartIndex(double startIndex) { m_startIndex = startIndex; }
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void setDuration(double duration) { m_duration = duration; }
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void setTitle(const QString &title, bool update = false) { if(!update || (m_title.isEmpty() && !title.isEmpty())) m_title = title; }
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void setPerformer(const QString &performer, bool update = false) { if(!update || (m_performer.isEmpty() && !performer.isEmpty())) m_performer = performer; }
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virtual bool isValid(void) { return !(_isnan(m_startIndex) || (m_trackNo < 0)); }
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virtual const char* type(void) { return "CueSheetTrack"; }
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private:
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int m_trackNo;
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double m_startIndex;
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double m_duration;
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QString m_title;
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QString m_performer;
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CueSheetFile *m_parent;
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};
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class CueSheetFile : public CueSheetItem
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{
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public:
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CueSheetFile(const QString &fileName) : m_fileName(fileName) {}
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~CueSheetFile(void) { while(!m_tracks.isEmpty()) delete m_tracks.takeLast(); }
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QString fileName(void) { return m_fileName; }
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void addTrack(CueSheetTrack *track) { m_tracks.append(track); }
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void clearTracks(void) { while(!m_tracks.isEmpty()) delete m_tracks.takeLast(); }
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CueSheetTrack *track(int index) { return m_tracks.at(index); }
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int trackCount(void) { return m_tracks.count(); }
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virtual bool isValid(void) { return m_tracks.count() > 0; }
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virtual const char* type(void) { return "CueSheetFile"; }
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private:
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const QString m_fileName;
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QList<CueSheetTrack*> m_tracks;
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};
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////////////////////////////////////////////////////////////
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// Constructor & Destructor
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////////////////////////////////////////////////////////////
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CueSheetModel::CueSheetModel()
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{
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int trackNo = 0;
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for(int i = 0; i < 5; i++)
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{
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CueSheetFile *currentFile = new CueSheetFile(QString().sprintf("File %02d.wav", i+1));
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for(int j = 0; j < 8; j++)
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{
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CueSheetTrack *currentTrack = new CueSheetTrack(currentFile, trackNo++);
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currentTrack->setTitle("ATWA (Air Trees Water Animals)");
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currentTrack->setPerformer("System of a Down");
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currentFile->addTrack(currentTrack);
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}
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m_files.append(currentFile);
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}
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}
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CueSheetModel::~CueSheetModel(void)
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{
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while(!m_files.isEmpty()) delete m_files.takeLast();
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}
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////////////////////////////////////////////////////////////
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// Model Functions
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////////////////////////////////////////////////////////////
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QModelIndex CueSheetModel::index(int row, int column, const QModelIndex &parent) const
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{
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if(!parent.isValid())
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{
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return createIndex(row, column, m_files.at(row));
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}
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CueSheetItem *parentItem = static_cast<CueSheetItem*>(parent.internalPointer());
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if(CueSheetFile *filePtr = dynamic_cast<CueSheetFile*>(parentItem))
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{
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return createIndex(row, column, filePtr->track(row));
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}
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return QModelIndex();
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}
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int CueSheetModel::columnCount(const QModelIndex &parent) const
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{
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return 4;
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}
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int CueSheetModel::rowCount(const QModelIndex &parent) const
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{
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if(!parent.isValid())
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{
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return m_files.count();
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}
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CueSheetItem *parentItem = static_cast<CueSheetItem*>(parent.internalPointer());
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if(CueSheetFile *filePtr = dynamic_cast<CueSheetFile*>(parentItem))
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{
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return filePtr->trackCount();
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}
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return 0;
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}
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QModelIndex CueSheetModel::parent(const QModelIndex &child) const
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{
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if(child.isValid())
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{
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CueSheetItem *childItem = static_cast<CueSheetItem*>(child.internalPointer());
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if(CueSheetTrack *trackPtr = dynamic_cast<CueSheetTrack*>(childItem))
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{
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return createIndex(m_files.indexOf(trackPtr->parent()), 0, trackPtr->parent());
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}
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}
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return QModelIndex();
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}
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QVariant CueSheetModel::headerData (int section, Qt::Orientation orientation, int role) const
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{
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if(role == Qt::DisplayRole)
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{
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switch(section)
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{
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case 0:
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return tr("No.");
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break;
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case 1:
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return tr("File / Track");
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break;
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case 2:
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return tr("Index");
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break;
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case 3:
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return tr("Duration");
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break;
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default:
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return QVariant();
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break;
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}
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}
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else
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{
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return QVariant();
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}
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}
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QVariant CueSheetModel::data(const QModelIndex &index, int role) const
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{
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if(role == Qt::DisplayRole)
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{
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CueSheetItem *item = reinterpret_cast<CueSheetItem*>(index.internalPointer());
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if(CueSheetFile *filePtr = dynamic_cast<CueSheetFile*>(item))
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{
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switch(index.column())
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{
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case 0:
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return tr("File %1").arg(QString().sprintf("%02d", index.row() + 1)).append(" ");
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break;
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case 1:
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return QFileInfo(filePtr->fileName()).fileName();
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break;
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default:
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return QVariant();
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break;
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}
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}
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else if(CueSheetTrack *trackPtr = dynamic_cast<CueSheetTrack*>(item))
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{
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switch(index.column())
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{
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case 0:
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return tr("Track %1").arg(QString().sprintf("%02d", trackPtr->trackNo())).append(" ");
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break;
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case 1:
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if(!trackPtr->title().isEmpty() && !trackPtr->performer().isEmpty())
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{
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return QString("%1 - %2").arg(trackPtr->performer(), trackPtr->title());
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}
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else if(!trackPtr->title().isEmpty())
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{
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return QString("%1 - %2").arg(tr("Unknown Artist"), trackPtr->title());
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}
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else if(!trackPtr->performer().isEmpty())
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{
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return QString("%1 - %2").arg(trackPtr->performer(), tr("Unknown Title"));
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}
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else
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{
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return QString("%1 - %2").arg(tr("Unknown Artist"), tr("Unknown Title"));
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}
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break;
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case 2:
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return indexToString(trackPtr->startIndex());
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break;
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case 3:
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return indexToString(trackPtr->duration());
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break;
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default:
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return QVariant();
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break;
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}
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}
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}
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else if(role == Qt::ToolTipRole)
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{
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CueSheetItem *item = reinterpret_cast<CueSheetItem*>(index.internalPointer());
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if(CueSheetFile *filePtr = dynamic_cast<CueSheetFile*>(item))
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{
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return QDir::toNativeSeparators(filePtr->fileName());
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}
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else if(CueSheetTrack *trackPtr = dynamic_cast<CueSheetTrack*>(item))
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{
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return QDir::toNativeSeparators(trackPtr->parent()->fileName());
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}
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}
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else if(role == Qt::FontRole)
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{
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QFont font("Monospace");
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font.setStyleHint(QFont::TypeWriter);
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if((index.column() == 1))
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{
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CueSheetItem *item = reinterpret_cast<CueSheetItem*>(index.internalPointer());
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font.setBold(dynamic_cast<CueSheetFile*>(item) != NULL);
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}
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return font;
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}
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else if(role == Qt::ForegroundRole)
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{
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if((index.column() == 1))
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{
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CueSheetItem *item = reinterpret_cast<CueSheetItem*>(index.internalPointer());
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if(CueSheetFile *filePtr = dynamic_cast<CueSheetFile*>(item))
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{
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return (QFileInfo(filePtr->fileName()).size() > 4) ? QColor("mediumblue") : QColor("darkred");
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}
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}
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else if((index.column() == 3))
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{
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CueSheetItem *item = reinterpret_cast<CueSheetItem*>(index.internalPointer());
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if(CueSheetTrack *trackPtr = dynamic_cast<CueSheetTrack*>(item))
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{
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if(trackPtr->duration() == std::numeric_limits<double>::infinity())
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{
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return QColor("dimgrey");
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}
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}
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}
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}
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return QVariant();
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}
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void CueSheetModel::clearData(void)
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{
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beginResetModel();
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while(!m_files.isEmpty()) delete m_files.takeLast();
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endResetModel();
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}
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////////////////////////////////////////////////////////////
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// External API
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////////////////////////////////////////////////////////////
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int CueSheetModel::getFileCount(void)
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{
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return m_files.count();
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}
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QString CueSheetModel::getFileName(int fileIndex)
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{
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if(fileIndex < 0 || fileIndex >= m_files.count())
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{
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return QString();
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}
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return m_files.at(fileIndex)->fileName();
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}
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int CueSheetModel::getTrackCount(int fileIndex)
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{
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if(fileIndex < 0 || fileIndex >= m_files.count())
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{
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return -1;
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}
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return m_files.at(fileIndex)->trackCount();
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}
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int CueSheetModel::getTrackNo(int fileIndex, int trackIndex)
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{
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if(fileIndex >= 0 && fileIndex < m_files.count())
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{
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CueSheetFile *currentFile = m_files.at(fileIndex);
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if(trackIndex >= 0 && trackIndex < currentFile->trackCount())
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{
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return currentFile->track(trackIndex)->trackNo();
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}
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}
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return -1;
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}
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void CueSheetModel::getTrackIndex(int fileIndex, int trackIndex, double *startIndex, double *duration)
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{
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*startIndex = std::numeric_limits<double>::quiet_NaN();
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*duration = std::numeric_limits<double>::quiet_NaN();
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if(fileIndex >= 0 && fileIndex < m_files.count())
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{
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CueSheetFile *currentFile = m_files.at(fileIndex);
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if(trackIndex >= 0 && trackIndex < currentFile->trackCount())
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{
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CueSheetTrack *currentTrack = currentFile->track(trackIndex);
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*startIndex = currentTrack->startIndex();
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*duration = currentTrack->duration();
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}
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}
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}
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QString CueSheetModel::getTrackPerformer(int fileIndex, int trackIndex)
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{
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if(fileIndex >= 0 && fileIndex < m_files.count())
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{
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CueSheetFile *currentFile = m_files.at(fileIndex);
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if(trackIndex >= 0 && trackIndex < currentFile->trackCount())
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{
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CueSheetTrack *currentTrack = currentFile->track(trackIndex);
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return currentTrack->performer();
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}
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}
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return QString();
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}
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QString CueSheetModel::getTrackTitle(int fileIndex, int trackIndex)
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{
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if(fileIndex >= 0 && fileIndex < m_files.count())
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{
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CueSheetFile *currentFile = m_files.at(fileIndex);
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if(trackIndex >= 0 && trackIndex < currentFile->trackCount())
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{
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CueSheetTrack *currentTrack = currentFile->track(trackIndex);
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return currentTrack->title();
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}
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}
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return QString();
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}
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////////////////////////////////////////////////////////////
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// Cue Sheet Parser
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////////////////////////////////////////////////////////////
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int CueSheetModel::loadCueSheet(const QString &cueFileName, QCoreApplication *application)
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{
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QFile cueFile(cueFileName);
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if(!cueFile.open(QIODevice::ReadOnly))
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{
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return ErrorIOFailure;
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}
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clearData();
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beginResetModel();
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int iResult = parseCueFile(cueFile, QDir(QFileInfo(cueFile).canonicalPath()), application);
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endResetModel();
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return iResult;
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}
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int CueSheetModel::parseCueFile(QFile &cueFile, const QDir &baseDir, QCoreApplication *application)
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{
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cueFile.seek(0);
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qDebug("\n[Cue Sheet Import]");
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//Reject very large files, as parsing might take until forever
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if(cueFile.size() >= 10485760i64)
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{
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qWarning("File is very big. Probably not a Cue Sheet. Rejecting...");
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return 2;
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}
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//Check for UTF-8 BOM in order to guess encoding
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QByteArray bomCheck = cueFile.peek(128);
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bool bUTF8 = bomCheck.contains("\xef\xbb\xbf");
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qDebug("Encoding is %s.", (bUTF8 ? "UTF-8" : "Local 8-Bit"));
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bomCheck.clear();
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QRegExp rxFile("^FILE\\s+\"([^\"]+)\"\\s+(\\w+)$", Qt::CaseInsensitive);
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QRegExp rxTrack("^TRACK\\s+(\\d+)\\s(\\w+)$", Qt::CaseInsensitive);
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QRegExp rxIndex("^INDEX\\s+(\\d+)\\s+([0-9:]+)$", Qt::CaseInsensitive);
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QRegExp rxTitle("^TITLE\\s+\"([^\"]+)\"$", Qt::CaseInsensitive);
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QRegExp rxPerformer("^PERFORMER\\s+\"([^\"]+)\"$", Qt::CaseInsensitive);
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bool bPreamble = true;
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bool bUnsupportedTrack = false;
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CueSheetFile *currentFile = NULL;
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CueSheetTrack *currentTrack = NULL;
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QString albumTitle;
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QString albumPerformer;
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//Loop over the Cue Sheet until all lines were processed
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for(int lines = 0; lines < INT_MAX; lines++)
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{
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if(application)
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{
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application->processEvents();
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if(lines < 128) Sleep(10);
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}
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QByteArray lineData = cueFile.readLine();
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if(lineData.size() <= 0)
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{
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qDebug("End of Cue Sheet file.");
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break;
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}
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QString line = bUTF8 ? QString::fromUtf8(lineData.constData(), lineData.size()).trimmed() : QString::fromLocal8Bit(lineData.constData(), lineData.size()).trimmed();
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/* --- FILE --- */
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if(rxFile.indexIn(line) >= 0)
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{
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qDebug("%03d File: <%s> <%s>", lines, rxFile.cap(1).toUtf8().constData(), rxFile.cap(2).toUtf8().constData());
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if(currentFile)
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{
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if(currentTrack)
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{
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if(currentTrack->isValid())
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{
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currentTrack->setTitle(albumTitle, true);
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currentTrack->setPerformer(albumPerformer, true);
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currentFile->addTrack(currentTrack);
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currentTrack = NULL;
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}
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else
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{
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LAMEXP_DELETE(currentTrack);
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}
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}
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if(currentFile->isValid())
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{
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m_files.append(currentFile);
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currentFile = NULL;
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}
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else
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{
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LAMEXP_DELETE(currentFile);
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}
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}
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else
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{
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LAMEXP_DELETE(currentTrack);
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}
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if(!rxFile.cap(2).compare("WAVE", Qt::CaseInsensitive) || !rxFile.cap(2).compare("MP3", Qt::CaseInsensitive) || !rxFile.cap(2).compare("AIFF", Qt::CaseInsensitive))
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{
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currentFile = new CueSheetFile(baseDir.absoluteFilePath(rxFile.cap(1)));
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qDebug("%03d File path: <%s>", lines, currentFile->fileName().toUtf8().constData());
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}
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else
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{
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bUnsupportedTrack = true;
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qWarning("%03d Skipping unsupported file of type '%s'.", lines, rxFile.cap(2).toUtf8().constData());
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currentFile = NULL;
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}
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bPreamble = false;
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currentTrack = NULL;
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continue;
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}
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/* --- TRACK --- */
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if(rxTrack.indexIn(line) >= 0)
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{
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if(currentFile)
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{
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qDebug("%03d Track: <%s> <%s>", lines, rxTrack.cap(1).toUtf8().constData(), rxTrack.cap(2).toUtf8().constData());
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if(currentTrack)
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{
|
|
if(currentTrack->isValid())
|
|
{
|
|
currentTrack->setTitle(albumTitle, true);
|
|
currentTrack->setPerformer(albumPerformer, true);
|
|
currentFile->addTrack(currentTrack);
|
|
currentTrack = NULL;
|
|
}
|
|
else
|
|
{
|
|
LAMEXP_DELETE(currentTrack);
|
|
}
|
|
}
|
|
if(!rxTrack.cap(2).compare("AUDIO", Qt::CaseInsensitive))
|
|
{
|
|
currentTrack = new CueSheetTrack(currentFile, rxTrack.cap(1).toInt());
|
|
}
|
|
else
|
|
{
|
|
bUnsupportedTrack = true;
|
|
qWarning("%03d Skipping unsupported track of type '%s'.", lines, rxTrack.cap(2).toUtf8().constData());
|
|
currentTrack = NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
LAMEXP_DELETE(currentTrack);
|
|
}
|
|
bPreamble = false;
|
|
continue;
|
|
}
|
|
|
|
/* --- INDEX --- */
|
|
if(rxIndex.indexIn(line) >= 0)
|
|
{
|
|
if(currentFile && currentTrack)
|
|
{
|
|
qDebug("%03d Index: <%s> <%s>", lines, rxIndex.cap(1).toUtf8().constData(), rxIndex.cap(2).toUtf8().constData());
|
|
if(rxIndex.cap(1).toInt() == 1)
|
|
{
|
|
currentTrack->setStartIndex(parseTimeIndex(rxIndex.cap(2)));
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
/* --- TITLE --- */
|
|
if(rxTitle.indexIn(line) >= 0)
|
|
{
|
|
if(bPreamble)
|
|
{
|
|
albumTitle = rxTitle.cap(1);
|
|
}
|
|
else if(currentFile && currentTrack)
|
|
{
|
|
qDebug("%03d Title: <%s>", lines, rxTitle.cap(1).toUtf8().constData());
|
|
currentTrack->setTitle(rxTitle.cap(1));
|
|
}
|
|
continue;
|
|
}
|
|
|
|
/* --- PERFORMER --- */
|
|
if(rxPerformer.indexIn(line) >= 0)
|
|
{
|
|
if(bPreamble)
|
|
{
|
|
albumPerformer = rxPerformer.cap(1);
|
|
}
|
|
else if(currentFile && currentTrack)
|
|
{
|
|
qDebug("%03d Title: <%s>", lines, rxPerformer.cap(1).toUtf8().constData());
|
|
currentTrack->setPerformer(rxPerformer.cap(1));
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
|
|
//Append the very last track/file that is still pending
|
|
if(currentFile)
|
|
{
|
|
if(currentTrack)
|
|
{
|
|
if(currentTrack->isValid())
|
|
{
|
|
currentTrack->setTitle(albumTitle, true);
|
|
currentTrack->setPerformer(albumPerformer, true);
|
|
currentFile->addTrack(currentTrack);
|
|
currentTrack = NULL;
|
|
}
|
|
else
|
|
{
|
|
LAMEXP_DELETE(currentTrack);
|
|
}
|
|
}
|
|
if(currentFile->isValid())
|
|
{
|
|
m_files.append(currentFile);
|
|
currentFile = NULL;
|
|
}
|
|
else
|
|
{
|
|
LAMEXP_DELETE(currentFile);
|
|
}
|
|
}
|
|
|
|
//Finally calculate duration of each track
|
|
int nFiles = m_files.count();
|
|
for(int i = 0; i < nFiles; i++)
|
|
{
|
|
if(application)
|
|
{
|
|
application->processEvents();
|
|
Sleep(10);
|
|
}
|
|
|
|
CueSheetFile *currentFile = m_files.at(i);
|
|
int nTracks = currentFile->trackCount();
|
|
if(nTracks > 1)
|
|
{
|
|
for(int j = 1; j < nTracks; j++)
|
|
{
|
|
CueSheetTrack *currentTrack = currentFile->track(j);
|
|
CueSheetTrack *previousTrack = currentFile->track(j-1);
|
|
double duration = currentTrack->startIndex() - previousTrack->startIndex();
|
|
previousTrack->setDuration(max(0.0, duration));
|
|
}
|
|
}
|
|
}
|
|
|
|
//Sanity check of track numbers
|
|
if(nFiles > 0)
|
|
{
|
|
int previousTrackNo = -1;
|
|
bool trackNo[100];
|
|
for(int i = 0; i < 100; i++)
|
|
{
|
|
trackNo[i] = false;
|
|
}
|
|
for(int i = 0; i < nFiles; i++)
|
|
{
|
|
if(application)
|
|
{
|
|
application->processEvents();
|
|
Sleep(10);
|
|
}
|
|
CueSheetFile *currentFile = m_files.at(i);
|
|
int nTracks = currentFile->trackCount();
|
|
if(nTracks > 1)
|
|
{
|
|
for(int j = 0; j < nTracks; j++)
|
|
{
|
|
int currentTrackNo = currentFile->track(j)->trackNo();
|
|
if(currentTrackNo > 99)
|
|
{
|
|
qWarning("Track #%02d is invalid (maximum is 99), Cue Sheet is inconsistent!", currentTrackNo);
|
|
return ErrorInconsistent;
|
|
}
|
|
if(currentTrackNo <= previousTrackNo)
|
|
{
|
|
qWarning("Non-increasing track numbers, Cue Sheet is inconsistent!", currentTrackNo);
|
|
return ErrorInconsistent;
|
|
}
|
|
if(trackNo[currentTrackNo])
|
|
{
|
|
qWarning("Track #%02d exists multiple times, Cue Sheet is inconsistent!", currentTrackNo);
|
|
return ErrorInconsistent;
|
|
}
|
|
trackNo[currentTrackNo] = true;
|
|
previousTrackNo = currentTrackNo;
|
|
}
|
|
}
|
|
}
|
|
return ErrorSuccess;
|
|
}
|
|
else
|
|
{
|
|
return bUnsupportedTrack ? ErrorUnsupported : ErrorBadFile;
|
|
}
|
|
}
|
|
|
|
double CueSheetModel::parseTimeIndex(const QString &index)
|
|
{
|
|
QRegExp rxTimeIndex("\\s*(\\d+)\\s*:\\s*(\\d+)\\s*:\\s*(\\d+)\\s*");
|
|
|
|
if(rxTimeIndex.indexIn(index) >= 0)
|
|
{
|
|
int min, sec, frm;
|
|
bool minOK, secOK, frmOK;
|
|
|
|
min = rxTimeIndex.cap(1).toInt(&minOK);
|
|
sec = rxTimeIndex.cap(2).toInt(&secOK);
|
|
frm = rxTimeIndex.cap(3).toInt(&frmOK);
|
|
|
|
if(minOK && secOK && frmOK)
|
|
{
|
|
return static_cast<double>(60 * min) + static_cast<double>(sec) + ((1.0/75.0) * static_cast<double>(frm));
|
|
}
|
|
}
|
|
|
|
qWarning(" Bad time index: '%s'", index.toUtf8().constData());
|
|
return std::numeric_limits<double>::quiet_NaN();
|
|
}
|
|
|
|
QString CueSheetModel::indexToString(const double index) const
|
|
{
|
|
if(index == std::numeric_limits<double>::quiet_NaN())
|
|
{
|
|
return QString("<-NaN!->");
|
|
}
|
|
else if(index == std::numeric_limits<double>::infinity() || index < 0.0)
|
|
{
|
|
return QString("??:??.??");
|
|
}
|
|
else
|
|
{
|
|
int temp = static_cast<int>(index * 100.0);
|
|
|
|
int msec = temp % 100;
|
|
int secs = temp / 100;
|
|
|
|
return QString().sprintf("%02d:%02d.%02d", min(99, secs / 60), min(99, secs % 60), min(99, msec));
|
|
}
|
|
}
|