Mercurial > hg > svcore
view data/fileio/PlaylistFileReader.cpp @ 360:ac300d385ab2
* Various fixes to object lifetime management, particularly in the spectrum
layer and for notification of main model deletion.
The main purpose of this is to improve the behaviour of the spectrum, but I
think it may also help with #1840922 Various crashes in Layer Summary window.
author | Chris Cannam |
---|---|
date | Wed, 23 Jan 2008 15:43:27 +0000 |
parents | c022976d18e8 |
children | d030801113b6 |
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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 2007 QMUL. 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 "PlaylistFileReader.h" #include <QFile> #include <QTextStream> #include <QStringList> PlaylistFileReader::PlaylistFileReader(QString path) { m_file = new QFile(path); bool good = false; if (!m_file->exists()) { m_error = QFile::tr("File \"%1\" does not exist").arg(path); } else if (!m_file->open(QIODevice::ReadOnly | QIODevice::Text)) { m_error = QFile::tr("Failed to open file \"%1\"").arg(path); } else { good = true; } if (!good) { delete m_file; m_file = 0; } } PlaylistFileReader::~PlaylistFileReader() { if (m_file) m_file->close(); delete m_file; } bool PlaylistFileReader::isOK() const { return (m_file != 0); } QString PlaylistFileReader::getError() const { return m_error; } PlaylistFileReader::Playlist PlaylistFileReader::load() const { if (!m_file) return Playlist(); QTextStream in(m_file); in.seek(0); Playlist playlist; while (!in.atEnd()) { // cope with old-style Mac line endings (c.f. CSVFileReader) // as well as DOS/Unix style QString chunk = in.readLine(); QStringList lines = chunk.split('\r', QString::SkipEmptyParts); for (size_t li = 0; li < lines.size(); ++li) { QString line = lines[li]; if (line.startsWith("#")) continue; playlist.push_back(line); } } return playlist; } void PlaylistFileReader::getSupportedExtensions(std::set<QString> &extensions) { extensions.insert("m3u"); }