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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qbs.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "emptydirectoriesremover.h"
#include "artifact.h"
#include <language/language.h>
#include <QtCore/qdir.h>
#include <QtCore/qfileinfo.h>
namespace qbs {
namespace Internal {
EmptyDirectoriesRemover::EmptyDirectoriesRemover(const TopLevelProject *project,
const Logger &logger)
: m_project(project), m_logger(logger)
{
}
void EmptyDirectoriesRemover::removeEmptyParentDirectories(const QStringList &artifactFilePaths)
{
m_dirsToRemove.clear();
m_handledDirs.clear();
for (const QString &filePath : artifactFilePaths)
insertSorted(QFileInfo(filePath).absolutePath());
while (!m_dirsToRemove.isEmpty())
removeDirIfEmpty();
}
void EmptyDirectoriesRemover::removeEmptyParentDirectories(const ArtifactSet &artifacts)
{
QStringList filePaths;
for (const Artifact * const a : artifacts) {
if (a->artifactType == Artifact::Generated)
filePaths << a->filePath();
}
removeEmptyParentDirectories(filePaths);
}
// List is sorted so that "deeper" directories come first.
void EmptyDirectoriesRemover::insertSorted(const QString &dirPath)
{
int i;
for (i = 0; i < m_dirsToRemove.count(); ++i) {
const QString &cur = m_dirsToRemove.at(i);
if (dirPath == cur)
return;
if (dirPath.count(QLatin1Char('/')) > cur.count(QLatin1Char('/')))
break;
}
m_dirsToRemove.insert(i, dirPath);
}
void EmptyDirectoriesRemover::removeDirIfEmpty()
{
const QString dirPath = m_dirsToRemove.takeFirst();
m_handledDirs.insert(dirPath);
QFileInfo fi(dirPath);
if (fi.isSymLink() || !fi.exists() || !dirPath.startsWith(m_project->buildDirectory)
|| fi.filePath() == m_project->buildDirectory) {
return;
}
QDir dir(dirPath);
dir.setFilter(QDir::AllEntries | QDir::NoDotAndDotDot);
if (dir.count() != 0)
return;
dir.cdUp();
if (!dir.rmdir(fi.fileName())) {
m_logger.qbsWarning() << QString::fromLatin1("Cannot remove empty directory '%1'.")
.arg(dirPath);
return;
}
const QString parentDir = dir.path();
if (!m_handledDirs.contains(parentDir))
insertSorted(parentDir);
}
} // namespace Internal
} // namespace qbs
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