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scanner.cpp
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scanner.cpp
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* Flacon - audio File Encoder
* https://github.com/flacon/flacon
*
* Copyright: 2012-2015
* Alexander Sokoloff <sokoloff.a@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include "scanner.h"
#include "formats_in/informat.h"
#include "inputaudiofile.h"
#include "project.h"
#include <QStringList>
#include <QSet>
#include <QQueue>
#include <QDir>
#include <QApplication>
/************************************************
************************************************/
Scanner::Scanner(QObject *parent) :
QObject(parent),
mActive(false),
mAbort(false)
{
}
/************************************************
************************************************/
void Scanner::start(const QString &startDir)
{
mActive = true;
mAbort = false;
QStringList exts;
foreach (const InputFormat *format, InputFormat::allFormats()) {
exts << QString("*.%1").arg(format->ext());
}
QQueue<QString> query;
query << startDir;
QSet<QString> processed;
while (!query.isEmpty()) {
QDir dir(query.dequeue());
QFileInfoList dirs = dir.entryInfoList(QDir::Dirs | QDir::Readable | QDir::NoDotAndDotDot);
foreach (QFileInfo d, dirs) {
qApp->processEvents();
if (mAbort)
return;
if (d.isSymLink())
d = QFileInfo(d.symLinkTarget());
if (!processed.contains(d.absoluteFilePath())) {
processed << d.absoluteFilePath();
query << d.absoluteFilePath();
}
}
QFileInfoList files = dir.entryInfoList(exts, QDir::Files | QDir::Readable);
foreach (QFileInfo f, files) {
qApp->processEvents();
if (mAbort)
return;
emit found(f.absoluteFilePath());
}
}
}
/************************************************
************************************************/
void Scanner::stop()
{
mAbort = true;
}