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/* |
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Copyright (C) 2005-2014 Sergey A. Tachenov |
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|
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This file is part of QuaZIP. |
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|
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QuaZIP is free software: you can redistribute it and/or modify |
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it under the terms of the GNU Lesser General Public License as published by |
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the Free Software Foundation, either version 2.1 of the License, or |
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(at your option) any later version. |
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|
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QuaZIP is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU Lesser General Public License for more details. |
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|
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You should have received a copy of the GNU Lesser General Public License |
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along with QuaZIP. If not, see <http://www.gnu.org/licenses/>. |
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|
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See COPYING file for the full LGPL text. |
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|
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Original ZIP package is copyrighted by Gilles Vollant and contributors, |
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see quazip/(un)zip.h files for details. Basically it's the zlib license. |
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*/ |
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|
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#include "quazipdir.h" |
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|
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#include <QSet> |
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#include <QSharedData> |
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|
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/// \cond internal |
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class QuaZipDirPrivate: public QSharedData { |
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friend class QuaZipDir; |
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private: |
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QuaZipDirPrivate(QuaZip *zip, const QString &dir = QString()): |
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zip(zip), dir(dir), caseSensitivity(QuaZip::csDefault), |
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filter(QDir::NoFilter), sorting(QDir::NoSort) {} |
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QuaZip *zip; |
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QString dir; |
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QuaZip::CaseSensitivity caseSensitivity; |
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QDir::Filters filter; |
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QStringList nameFilters; |
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QDir::SortFlags sorting; |
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template<typename TFileInfoList> |
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bool entryInfoList(QStringList nameFilters, QDir::Filters filter, |
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QDir::SortFlags sort, TFileInfoList &result) const; |
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inline QString simplePath() const {return QDir::cleanPath(dir);} |
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}; |
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/// \endcond |
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|
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QuaZipDir::QuaZipDir(const QuaZipDir &that): |
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d(that.d) |
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{ |
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} |
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|
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QuaZipDir::QuaZipDir(QuaZip *zip, const QString &dir): |
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d(new QuaZipDirPrivate(zip, dir)) |
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{ |
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if (d->dir.startsWith('/')) |
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d->dir = d->dir.mid(1); |
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} |
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|
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QuaZipDir::~QuaZipDir() |
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{ |
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} |
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|
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bool QuaZipDir::operator==(const QuaZipDir &that) |
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{ |
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return d->zip == that.d->zip && d->dir == that.d->dir; |
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} |
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|
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QuaZipDir& QuaZipDir::operator=(const QuaZipDir &that) |
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{ |
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this->d = that.d; |
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return *this; |
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} |
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|
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QString QuaZipDir::operator[](int pos) const |
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{ |
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return entryList().at(pos); |
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} |
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|
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QuaZip::CaseSensitivity QuaZipDir::caseSensitivity() const |
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{ |
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return d->caseSensitivity; |
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} |
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|
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bool QuaZipDir::cd(const QString &directoryName) |
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{ |
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if (directoryName == "/") { |
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d->dir = ""; |
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return true; |
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} |
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QString dirName = directoryName; |
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if (dirName.endsWith('/')) |
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dirName.chop(1); |
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if (dirName.contains('/')) { |
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QuaZipDir dir(*this); |
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if (dirName.startsWith('/')) { |
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#ifdef QUAZIP_QUAZIPDIR_DEBUG |
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qDebug("QuaZipDir::cd(%s): going to /", |
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dirName.toUtf8().constData()); |
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#endif |
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if (!dir.cd("/")) |
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return false; |
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} |
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QStringList path = dirName.split('/', QString::SkipEmptyParts); |
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for (QStringList::const_iterator i = path.constBegin(); |
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i != path.end(); |
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++i) { |
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const QString &step = *i; |
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#ifdef QUAZIP_QUAZIPDIR_DEBUG |
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qDebug("QuaZipDir::cd(%s): going to %s", |
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dirName.toUtf8().constData(), |
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step.toUtf8().constData()); |
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#endif |
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if (!dir.cd(step)) |
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return false; |
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} |
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d->dir = dir.path(); |
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return true; |
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} else { // no '/' |
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if (dirName == ".") { |
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return true; |
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} else if (dirName == "..") { |
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if (isRoot()) { |
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return false; |
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} else { |
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int slashPos = d->dir.lastIndexOf('/'); |
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if (slashPos == -1) { |
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d->dir = ""; |
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} else { |
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d->dir = d->dir.left(slashPos); |
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} |
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return true; |
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} |
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} else { // a simple subdirectory |
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if (exists(dirName)) { |
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if (isRoot()) |
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d->dir = dirName; |
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else |
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d->dir += "/" + dirName; |
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return true; |
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} else { |
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return false; |
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} |
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} |
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} |
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} |
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|
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bool QuaZipDir::cdUp() |
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{ |
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return cd(".."); |
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} |
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|
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uint QuaZipDir::count() const |
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{ |
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return entryList().count(); |
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} |
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|
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QString QuaZipDir::dirName() const |
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{ |
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return QDir(d->dir).dirName(); |
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} |
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|
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QuaZipFileInfo64 QuaZipDir_getFileInfo(QuaZip *zip, bool *ok, |
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const QString &relativeName, |
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bool isReal) |
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{ |
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QuaZipFileInfo64 info; |
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if (isReal) { |
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*ok = zip->getCurrentFileInfo(&info); |
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} else { |
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*ok = true; |
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info.compressedSize = 0; |
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info.crc = 0; |
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info.diskNumberStart = 0; |
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info.externalAttr = 0; |
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info.flags = 0; |
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info.internalAttr = 0; |
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info.method = 0; |
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info.uncompressedSize = 0; |
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info.versionCreated = info.versionNeeded = 0; |
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} |
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info.name = relativeName; |
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return info; |
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} |
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|
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static void QuaZipDir_convertInfoList(const QList<QuaZipFileInfo64> &from, |
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QList<QuaZipFileInfo64> &to) |
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{ |
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to = from; |
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} |
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|
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static void QuaZipDir_convertInfoList(const QList<QuaZipFileInfo64> &from, |
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QStringList &to) |
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{ |
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to.clear(); |
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for (QList<QuaZipFileInfo64>::const_iterator i = from.constBegin(); |
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i != from.constEnd(); |
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++i) { |
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to.append(i->name); |
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} |
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} |
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|
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static void QuaZipDir_convertInfoList(const QList<QuaZipFileInfo64> &from, |
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QList<QuaZipFileInfo> &to) |
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{ |
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to.clear(); |
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for (QList<QuaZipFileInfo64>::const_iterator i = from.constBegin(); |
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i != from.constEnd(); |
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++i) { |
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QuaZipFileInfo info32; |
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i->toQuaZipFileInfo(info32); |
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to.append(info32); |
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} |
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} |
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|
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/// \cond internal |
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/** |
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An utility class to restore the current file. |
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*/ |
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class QuaZipDirRestoreCurrent { |
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public: |
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inline QuaZipDirRestoreCurrent(QuaZip *zip): |
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zip(zip), currentFile(zip->getCurrentFileName()) {} |
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inline ~QuaZipDirRestoreCurrent() |
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{ |
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zip->setCurrentFile(currentFile); |
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} |
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private: |
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QuaZip *zip; |
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QString currentFile; |
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}; |
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/// \endcond |
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|
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/// \cond internal |
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class QuaZipDirComparator |
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{ |
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private: |
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QDir::SortFlags sort; |
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static QString getExtension(const QString &name); |
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int compareStrings(const QString &string1, const QString &string2); |
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public: |
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inline QuaZipDirComparator(QDir::SortFlags sort): sort(sort) {} |
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bool operator()(const QuaZipFileInfo64 &info1, const QuaZipFileInfo64 &info2); |
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}; |
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|
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QString QuaZipDirComparator::getExtension(const QString &name) |
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{ |
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if (name.endsWith('.') || name.indexOf('.', 1) == -1) { |
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return ""; |
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} else { |
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return name.mid(name.lastIndexOf('.') + 1); |
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} |
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|
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} |
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|
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int QuaZipDirComparator::compareStrings(const QString &string1, |
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const QString &string2) |
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{ |
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if (sort & QDir::LocaleAware) { |
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if (sort & QDir::IgnoreCase) { |
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return string1.toLower().localeAwareCompare(string2.toLower()); |
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} else { |
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return string1.localeAwareCompare(string2); |
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} |
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} else { |
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return string1.compare(string2, (sort & QDir::IgnoreCase) |
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? Qt::CaseInsensitive : Qt::CaseSensitive); |
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} |
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} |
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|
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bool QuaZipDirComparator::operator()(const QuaZipFileInfo64 &info1, |
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const QuaZipFileInfo64 &info2) |
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{ |
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QDir::SortFlags order = sort |
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& (QDir::Name | QDir::Time | QDir::Size | QDir::Type); |
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if ((sort & QDir::DirsFirst) == QDir::DirsFirst |
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|| (sort & QDir::DirsLast) == QDir::DirsLast) { |
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if (info1.name.endsWith('/') && !info2.name.endsWith('/')) |
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return (sort & QDir::DirsFirst) == QDir::DirsFirst; |
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else if (!info1.name.endsWith('/') && info2.name.endsWith('/')) |
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return (sort & QDir::DirsLast) == QDir::DirsLast; |
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} |
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bool result; |
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int extDiff; |
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switch (order) { |
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case QDir::Name: |
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result = compareStrings(info1.name, info2.name) < 0; |
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break; |
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case QDir::Type: |
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extDiff = compareStrings(getExtension(info1.name), |
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getExtension(info2.name)); |
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if (extDiff == 0) { |
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result = compareStrings(info1.name, info2.name) < 0; |
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} else { |
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result = extDiff < 0; |
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} |
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break; |
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case QDir::Size: |
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if (info1.uncompressedSize == info2.uncompressedSize) { |
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result = compareStrings(info1.name, info2.name) < 0; |
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} else { |
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result = info1.uncompressedSize < info2.uncompressedSize; |
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} |
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break; |
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case QDir::Time: |
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if (info1.dateTime == info2.dateTime) { |
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result = compareStrings(info1.name, info2.name) < 0; |
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} else { |
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result = info1.dateTime < info2.dateTime; |
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} |
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break; |
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default: |
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qWarning("QuaZipDirComparator(): Invalid sort mode 0x%2X", |
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static_cast<unsigned>(sort)); |
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return false; |
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} |
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return (sort & QDir::Reversed) ? !result : result; |
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} |
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|
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template<typename TFileInfoList> |
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bool QuaZipDirPrivate::entryInfoList(QStringList nameFilters, |
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QDir::Filters filter, QDir::SortFlags sort, TFileInfoList &result) const |
| 325 |
{ |
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QString basePath = simplePath(); |
| 327 |
if (!basePath.isEmpty()) |
| 328 |
basePath += "/"; |
| 329 |
int baseLength = basePath.length(); |
| 330 |
result.clear(); |
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QuaZipDirRestoreCurrent saveCurrent(zip); |
| 332 |
if (!zip->goToFirstFile()) { |
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return zip->getZipError() == UNZ_OK; |
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} |
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QDir::Filters fltr = filter; |
| 336 |
if (fltr == QDir::NoFilter) |
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fltr = this->filter; |
| 338 |
if (fltr == QDir::NoFilter) |
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fltr = QDir::AllEntries; |
| 340 |
QStringList nmfltr = nameFilters; |
| 341 |
if (nmfltr.isEmpty()) |
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nmfltr = this->nameFilters; |
| 343 |
QSet<QString> dirsFound; |
| 344 |
QList<QuaZipFileInfo64> list; |
| 345 |
do { |
| 346 |
QString name = zip->getCurrentFileName(); |
| 347 |
if (!name.startsWith(basePath)) |
| 348 |
continue; |
| 349 |
QString relativeName = name.mid(baseLength); |
| 350 |
if (relativeName.isEmpty()) |
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continue; |
| 352 |
bool isDir = false; |
| 353 |
bool isReal = true; |
| 354 |
if (relativeName.contains('/')) { |
| 355 |
int indexOfSlash = relativeName.indexOf('/'); |
| 356 |
// something like "subdir/" |
| 357 |
isReal = indexOfSlash == relativeName.length() - 1; |
| 358 |
relativeName = relativeName.left(indexOfSlash + 1); |
| 359 |
if (dirsFound.contains(relativeName)) |
| 360 |
continue; |
| 361 |
isDir = true; |
| 362 |
} |
| 363 |
dirsFound.insert(relativeName); |
| 364 |
if ((fltr & QDir::Dirs) == 0 && isDir) |
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continue; |
| 366 |
if ((fltr & QDir::Files) == 0 && !isDir) |
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continue; |
| 368 |
if (!nmfltr.isEmpty() && !QDir::match(nmfltr, relativeName)) |
| 369 |
continue; |
| 370 |
bool ok; |
| 371 |
QuaZipFileInfo64 info = QuaZipDir_getFileInfo(zip, &ok, relativeName, |
| 372 |
isReal); |
| 373 |
if (!ok) { |
| 374 |
return false; |
| 375 |
} |
| 376 |
list.append(info); |
| 377 |
} while (zip->goToNextFile()); |
| 378 |
QDir::SortFlags srt = sort; |
| 379 |
if (srt == QDir::NoSort) |
| 380 |
srt = sorting; |
| 381 |
#ifdef QUAZIP_QUAZIPDIR_DEBUG |
| 382 |
qDebug("QuaZipDirPrivate::entryInfoList(): before sort:"); |
| 383 |
foreach (QuaZipFileInfo64 info, list) { |
| 384 |
qDebug("%s\t%s", info.name.toUtf8().constData(), |
| 385 |
info.dateTime.toString(Qt::ISODate).toUtf8().constData()); |
| 386 |
} |
| 387 |
#endif |
| 388 |
if (srt != QDir::NoSort && (srt & QDir::Unsorted) != QDir::Unsorted) { |
| 389 |
if (QuaZip::convertCaseSensitivity(caseSensitivity) |
| 390 |
== Qt::CaseInsensitive) |
| 391 |
srt |= QDir::IgnoreCase; |
| 392 |
QuaZipDirComparator lessThan(srt); |
| 393 |
qSort(list.begin(), list.end(), lessThan); |
| 394 |
} |
| 395 |
QuaZipDir_convertInfoList(list, result); |
| 396 |
return true; |
| 397 |
} |
| 398 |
|
| 399 |
/// \endcond |
| 400 |
|
| 401 |
QList<QuaZipFileInfo> QuaZipDir::entryInfoList(const QStringList &nameFilters, |
| 402 |
QDir::Filters filters, QDir::SortFlags sort) const |
| 403 |
{ |
| 404 |
QList<QuaZipFileInfo> result; |
| 405 |
if (d->entryInfoList(nameFilters, filters, sort, result)) |
| 406 |
return result; |
| 407 |
else |
| 408 |
return QList<QuaZipFileInfo>(); |
| 409 |
} |
| 410 |
|
| 411 |
QList<QuaZipFileInfo> QuaZipDir::entryInfoList(QDir::Filters filters, |
| 412 |
QDir::SortFlags sort) const |
| 413 |
{ |
| 414 |
return entryInfoList(QStringList(), filters, sort); |
| 415 |
} |
| 416 |
|
| 417 |
QList<QuaZipFileInfo64> QuaZipDir::entryInfoList64(const QStringList &nameFilters, |
| 418 |
QDir::Filters filters, QDir::SortFlags sort) const |
| 419 |
{ |
| 420 |
QList<QuaZipFileInfo64> result; |
| 421 |
if (d->entryInfoList(nameFilters, filters, sort, result)) |
| 422 |
return result; |
| 423 |
else |
| 424 |
return QList<QuaZipFileInfo64>(); |
| 425 |
} |
| 426 |
|
| 427 |
QList<QuaZipFileInfo64> QuaZipDir::entryInfoList64(QDir::Filters filters, |
| 428 |
QDir::SortFlags sort) const |
| 429 |
{ |
| 430 |
return entryInfoList64(QStringList(), filters, sort); |
| 431 |
} |
| 432 |
|
| 433 |
QStringList QuaZipDir::entryList(const QStringList &nameFilters, |
| 434 |
QDir::Filters filters, QDir::SortFlags sort) const |
| 435 |
{ |
| 436 |
QStringList result; |
| 437 |
if (d->entryInfoList(nameFilters, filters, sort, result)) |
| 438 |
return result; |
| 439 |
else |
| 440 |
return QStringList(); |
| 441 |
} |
| 442 |
|
| 443 |
QStringList QuaZipDir::entryList(QDir::Filters filters, |
| 444 |
QDir::SortFlags sort) const |
| 445 |
{ |
| 446 |
return entryList(QStringList(), filters, sort); |
| 447 |
} |
| 448 |
|
| 449 |
bool QuaZipDir::exists(const QString &filePath) const |
| 450 |
{ |
| 451 |
if (filePath == "/" || filePath.isEmpty()) |
| 452 |
return true; |
| 453 |
QString fileName = filePath; |
| 454 |
if (fileName.endsWith('/')) |
| 455 |
fileName.chop(1); |
| 456 |
if (fileName.contains('/')) { |
| 457 |
QFileInfo fileInfo(fileName); |
| 458 |
#ifdef QUAZIP_QUAZIPDIR_DEBUG |
| 459 |
qDebug("QuaZipDir::exists(): fileName=%s, fileInfo.fileName()=%s, " |
| 460 |
"fileInfo.path()=%s", fileName.toUtf8().constData(), |
| 461 |
fileInfo.fileName().toUtf8().constData(), |
| 462 |
fileInfo.path().toUtf8().constData()); |
| 463 |
#endif |
| 464 |
QuaZipDir dir(*this); |
| 465 |
return dir.cd(fileInfo.path()) && dir.exists(fileInfo.fileName()); |
| 466 |
} else { |
| 467 |
if (fileName == "..") { |
| 468 |
return !isRoot(); |
| 469 |
} else if (fileName == ".") { |
| 470 |
return true; |
| 471 |
} else { |
| 472 |
QStringList entries = entryList(QDir::AllEntries, QDir::NoSort); |
| 473 |
#ifdef QUAZIP_QUAZIPDIR_DEBUG |
| 474 |
qDebug("QuaZipDir::exists(): looking for %s", |
| 475 |
fileName.toUtf8().constData()); |
| 476 |
for (QStringList::const_iterator i = entries.constBegin(); |
| 477 |
i != entries.constEnd(); |
| 478 |
++i) { |
| 479 |
qDebug("QuaZipDir::exists(): entry: %s", |
| 480 |
i->toUtf8().constData()); |
| 481 |
} |
| 482 |
#endif |
| 483 |
Qt::CaseSensitivity cs = QuaZip::convertCaseSensitivity( |
| 484 |
d->caseSensitivity); |
| 485 |
if (filePath.endsWith('/')) { |
| 486 |
return entries.contains(filePath, cs); |
| 487 |
} else { |
| 488 |
return entries.contains(fileName, cs) |
| 489 |
|| entries.contains(fileName + "/", cs); |
| 490 |
} |
| 491 |
} |
| 492 |
} |
| 493 |
} |
| 494 |
|
| 495 |
bool QuaZipDir::exists() const |
| 496 |
{ |
| 497 |
return QuaZipDir(d->zip).exists(d->dir); |
| 498 |
} |
| 499 |
|
| 500 |
QString QuaZipDir::filePath(const QString &fileName) const |
| 501 |
{ |
| 502 |
return QDir(d->dir).filePath(fileName); |
| 503 |
} |
| 504 |
|
| 505 |
QDir::Filters QuaZipDir::filter() |
| 506 |
{ |
| 507 |
return d->filter; |
| 508 |
} |
| 509 |
|
| 510 |
bool QuaZipDir::isRoot() const |
| 511 |
{ |
| 512 |
return d->simplePath().isEmpty(); |
| 513 |
} |
| 514 |
|
| 515 |
QStringList QuaZipDir::nameFilters() const |
| 516 |
{ |
| 517 |
return d->nameFilters; |
| 518 |
} |
| 519 |
|
| 520 |
QString QuaZipDir::path() const |
| 521 |
{ |
| 522 |
return d->dir; |
| 523 |
} |
| 524 |
|
| 525 |
QString QuaZipDir::relativeFilePath(const QString &fileName) const |
| 526 |
{ |
| 527 |
return QDir("/" + d->dir).relativeFilePath(fileName); |
| 528 |
} |
| 529 |
|
| 530 |
void QuaZipDir::setCaseSensitivity(QuaZip::CaseSensitivity caseSensitivity) |
| 531 |
{ |
| 532 |
d->caseSensitivity = caseSensitivity; |
| 533 |
} |
| 534 |
|
| 535 |
void QuaZipDir::setFilter(QDir::Filters filters) |
| 536 |
{ |
| 537 |
d->filter = filters; |
| 538 |
} |
| 539 |
|
| 540 |
void QuaZipDir::setNameFilters(const QStringList &nameFilters) |
| 541 |
{ |
| 542 |
d->nameFilters = nameFilters; |
| 543 |
} |
| 544 |
|
| 545 |
void QuaZipDir::setPath(const QString &path) |
| 546 |
{ |
| 547 |
QString newDir = path; |
| 548 |
if (newDir == "/") { |
| 549 |
d->dir = ""; |
| 550 |
} else { |
| 551 |
if (newDir.endsWith('/')) |
| 552 |
newDir.chop(1); |
| 553 |
if (newDir.startsWith('/')) |
| 554 |
newDir = newDir.mid(1); |
| 555 |
d->dir = newDir; |
| 556 |
} |
| 557 |
} |
| 558 |
|
| 559 |
void QuaZipDir::setSorting(QDir::SortFlags sort) |
| 560 |
{ |
| 561 |
d->sorting = sort; |
| 562 |
} |
| 563 |
|
| 564 |
QDir::SortFlags QuaZipDir::sorting() const |
| 565 |
{ |
| 566 |
return d->sorting; |
| 567 |
} |
