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/***************************************************************************
* Copyright (C) 2011 by Peter Penz <[email protected]> *
* Copyright (C) 2013 by Frank Reininghaus <[email protected]> *
* *
* 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. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#include "kdirectorycontentscounterworker.h"
// Required includes for subItemsCount():
#ifdef Q_OS_WIN
#include <QDir>
#else
#include <QFile>
#include <qplatformdefs.h>
#endif
#include "dolphin_detailsmodesettings.h"
KDirectoryContentsCounterWorker::KDirectoryContentsCounterWorker(QObject* parent) :
QObject(parent)
{
qRegisterMetaType<KDirectoryContentsCounterWorker::Options>();
}
#ifndef Q_OS_WIN
KDirectoryContentsCounterWorker::CountResult walkDir(const QString &dirPath,
const bool countHiddenFiles,
const bool countDirectoriesOnly,
QT_DIRENT *dirEntry,
const uint allowedRecursiveLevel)
{
int count = -1;
long size = -1;
auto dir = QT_OPENDIR(QFile::encodeName(dirPath));
if (dir) {
count = 0;
QT_STATBUF buf;
while ((dirEntry = QT_READDIR(dir))) {
if (dirEntry->d_name[0] == '.') {
if (dirEntry->d_name[1] == '\0' || !countHiddenFiles) {
// Skip "." or hidden files
continue;
}
if (dirEntry->d_name[1] == '.' && dirEntry->d_name[2] == '\0') {
// Skip ".."
continue;
}
}
// If only directories are counted, consider an unknown file type and links also
// as directory instead of trying to do an expensive stat()
// (see bugs 292642 and 299997).
const bool countEntry = !countDirectoriesOnly ||
dirEntry->d_type == DT_DIR ||
dirEntry->d_type == DT_LNK ||
dirEntry->d_type == DT_UNKNOWN;
if (countEntry) {
++count;
}
if (allowedRecursiveLevel > 0) {
bool linkFound = false;
QString nameBuf = QStringLiteral("%1/%2").arg(dirPath, dirEntry->d_name);
if (dirEntry->d_type == DT_REG || dirEntry->d_type == DT_LNK) {
if (QT_STAT(nameBuf.toLocal8Bit(), &buf) == 0) {
if (S_ISDIR(buf.st_mode)) {
// was a dir link, recurse
linkFound = true;
}
size += buf.st_size;
}
}
if (dirEntry->d_type == DT_DIR || linkFound) {
// recursion for dirs and dir links
size += walkDir(nameBuf, countHiddenFiles, countDirectoriesOnly, dirEntry, allowedRecursiveLevel - 1).size;
}
}
}
QT_CLOSEDIR(dir);
}
return KDirectoryContentsCounterWorker::CountResult{count, size};
}
#endif
KDirectoryContentsCounterWorker::CountResult KDirectoryContentsCounterWorker::subItemsCount(const QString& path, Options options)
{
const bool countHiddenFiles = options & CountHiddenFiles;
const bool countDirectoriesOnly = options & CountDirectoriesOnly;
#ifdef Q_OS_WIN
QDir dir(path);
QDir::Filters filters = QDir::NoDotAndDotDot | QDir::System;
if (countHiddenFiles) {
filters |= QDir::Hidden;
}
if (countDirectoriesOnly) {
filters |= QDir::Dirs;
} else {
filters |= QDir::AllEntries;
}
return {dir.entryList(filters).count(), 0};
#else
const uint maxRecursiveLevel = DetailsModeSettings::directorySizeCount() ? 1 : DetailsModeSettings::recursiveDirectorySizeLimit();
QT_DIRENT *dirEntry = nullptr;
auto res = walkDir(QFile::encodeName(path), countHiddenFiles, countDirectoriesOnly, dirEntry, maxRecursiveLevel);
return res;
#endif
}
void KDirectoryContentsCounterWorker::countDirectoryContents(const QString& path, Options options)
{
auto res = subItemsCount(path, options);
emit result(path, res.count, res.size);
}
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