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/* -*- mode: c++; c-basic-offset:4 -*-
utils/path-helper.cpp
This file is part of Kleopatra, the KDE keymanager
Copyright (c) 2009 Klarälvdalens Datakonsult AB
Kleopatra 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.
Kleopatra 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
In addition, as a special exception, the copyright holders give
permission to link the code of this program with any edition of
the Qt library by Trolltech AS, Norway (or with modified versions
of Qt that use the same license as Qt), and distribute linked
combinations including the two. You must obey the GNU General
Public License in all respects for all of the code used other than
Qt. If you modify this file, you may extend this exception to
your version of the file, but you are not obligated to do so. If
you do not wish to do so, delete this exception statement from
your version.
*/
#include <config-kleopatra.h>
#include "path-helper.h"
#include <Libkleo/Stl_Util>
#include <Libkleo/Exception>
#include "kleopatra_debug.h"
#include <KLocalizedString>
#include <QString>
#include <QStringList>
#include <QStorageInfo>
#include <QFileInfo>
#include <QDir>
#include <algorithm>
using namespace Kleo;
static QString commonPrefix(const QString &s1, const QString &s2)
{
return QString(s1.data(), std::mismatch(s1.data(), s1.data() + std::min(s1.size(), s2.size()), s2.data()).first - s1.data());
}
static QString longestCommonPrefix(const QStringList &sl)
{
if (sl.empty()) {
return QString();
}
QString result = sl.front();
for (const QString &s : sl) {
result = commonPrefix(s, result);
}
return result;
}
QString Kleo::heuristicBaseDirectory(const QStringList &fileNames)
{
QStringList dirs;
for (const QString &fileName : fileNames) {
dirs.push_back(QFileInfo(fileName).path() + QLatin1Char('/'));
}
qCDebug(KLEOPATRA_LOG) << "dirs" << dirs;
const QString candidate = longestCommonPrefix(dirs);
const int idx = candidate.lastIndexOf(QLatin1Char('/'));
return candidate.left(idx);
}
QStringList Kleo::makeRelativeTo(const QString &base, const QStringList &fileNames)
{
if (base.isEmpty()) {
return fileNames;
} else {
return makeRelativeTo(QDir(base), fileNames);
}
}
QStringList Kleo::makeRelativeTo(const QDir &baseDir, const QStringList &fileNames)
{
QStringList rv;
rv.reserve(fileNames.size());
std::transform(fileNames.cbegin(), fileNames.cend(),
std::back_inserter(rv),
[&baseDir](const QString &file) {
return baseDir.relativeFilePath(file);
});
return rv;
}
void Kleo::recursivelyRemovePath(const QString &path)
{
const QFileInfo fi(path);
if (fi.isDir()) {
QDir dir(path);
Q_FOREACH (const QString &fname, dir.entryList(QDir::AllEntries | QDir::NoDotAndDotDot)) {
recursivelyRemovePath(dir.filePath(fname));
}
const QString dirName = fi.fileName();
dir.cdUp();
if (!dir.rmdir(dirName)) {
throw Exception(GPG_ERR_EPERM, i18n("Cannot remove directory %1", path));
}
} else {
QFile file(path);
if (!file.remove()) {
throw Exception(GPG_ERR_EPERM, i18n("Cannot remove file %1: %2", path, file.errorString()));
}
}
}
bool Kleo::recursivelyCopy(const QString &src,const QString &dest)
{
QDir srcDir(src);
if(!srcDir.exists()) {
return false;
}
QDir destDir(dest);
if(!destDir.exists() && !destDir.mkdir(dest)) {
return false;
}
for(const auto file: srcDir.entryList(QDir::Files)) {
const QString srcName = src + QDir::separator() + file;
const QString destName = dest + QDir::separator() + file;
if(!QFile::copy(srcName, destName)) {
return false;
}
}
for (const auto dir: srcDir.entryList(QDir::AllDirs | QDir::NoDotAndDotDot)) {
const QString srcName = src + QDir::separator() + dir;
const QString destName = dest + QDir::separator() + dir;
if (!recursivelyCopy(srcName, destName)) {
return false;
}
}
return true;
}
bool Kleo::moveDir(const QString &src, const QString &dest)
{
if (QStorageInfo(src).device() == QStorageInfo(dest).device()) {
// Easy same partition we can use qt.
return QFile::rename(src, dest);
}
// first copy
if (!recursivelyCopy(src, dest)) {
return false;
}
// Then delete original
recursivelyRemovePath(src);
return true;
}

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