diff options
Diffstat (limited to 'src/corelib/io/qfilesystemiterator_symbian.cpp')
-rw-r--r-- | src/corelib/io/qfilesystemiterator_symbian.cpp | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/corelib/io/qfilesystemiterator_symbian.cpp b/src/corelib/io/qfilesystemiterator_symbian.cpp new file mode 100644 index 0000000000..a39f9c3096 --- /dev/null +++ b/src/corelib/io/qfilesystemiterator_symbian.cpp @@ -0,0 +1,127 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qfilesystemiterator_p.h" +#include "qfilesystemengine_p.h" +#include <QtCore/private/qcore_symbian_p.h> + +QT_BEGIN_NAMESPACE + +QFileSystemIterator::QFileSystemIterator(const QFileSystemEntry &path, QDir::Filters filters, + const QStringList &nameFilters, QDirIterator::IteratorFlags iteratorFlags) + : lastError(KErrNone), entryIndex(-1) +{ + RFs& fs = qt_s60GetRFs(); + + nativePath = path.nativeFilePath(); + if (!nativePath.endsWith(QLatin1Char('\\'))) + nativePath.append(QLatin1Char('\\')); + + QString absPath = QFileSystemEngine::absoluteName(path).nativeFilePath(); + + if (!absPath.endsWith(QLatin1Char('\\'))) + absPath.append(QLatin1Char('\\')); + + int pathLen = absPath.length(); + if (pathLen > KMaxFileName) { + lastError = KErrBadName; + return; + } + + //set up server side filtering to reduce IPCs + //RDir won't accept all valid name filters e.g. "*. bar" + if (nameFilters.count() == 1 && !(filters & QDir::AllDirs) && iteratorFlags + == QDirIterator::NoIteratorFlags && pathLen + nameFilters[0].length() + <= KMaxFileName) { + //server side supports one mask - skip this for recursive mode or if only files should be filtered + absPath.append(nameFilters[0]); + } + + TUint symbianMask = 0; + if ((filters & QDir::Dirs) || (filters & QDir::AllDirs) || (iteratorFlags + & QDirIterator::Subdirectories)) + symbianMask |= KEntryAttDir; //include directories + if (filters & QDir::Hidden) + symbianMask |= KEntryAttHidden; + if (filters & QDir::System) + symbianMask |= KEntryAttSystem; + if (((filters & QDir::Files) == 0) && symbianMask == KEntryAttDir) + symbianMask |= KEntryAttMatchExclusive; //exclude non-directories + else if (symbianMask == 0) { + if ((filters & QDir::PermissionMask) == QDir::Writable) + symbianMask = KEntryAttMatchExclude | KEntryAttReadOnly; + } + + lastError = dirHandle.Open(fs, qt_QString2TPtrC(absPath), symbianMask); +} + +QFileSystemIterator::~QFileSystemIterator() +{ + dirHandle.Close(); +} + +bool QFileSystemIterator::advance(QFileSystemEntry &fileEntry, QFileSystemMetaData &metaData) +{ + //1st time, lastError is result of dirHandle.Open(), entries.Count() is 0 and entryIndex is -1 so initial read is triggered + //subsequent times, read is triggered each time we reach the end of the entry list + //final time, lastError is KErrEof so we don't need to read anymore. + ++entryIndex; + if (lastError == KErrNone && entryIndex >= entries.Count()) { + lastError = dirHandle.Read(entries); + entryIndex = 0; + } + + //each call to advance() gets the next entry from the entry list. + //from the final (or only) read call, KErrEof is returned together with a full buffer so we still need to go through the list + if ((lastError == KErrNone || lastError == KErrEof) && entryIndex < entries.Count()) { + Q_ASSERT(entryIndex >= 0); + const TEntry &entry(entries[entryIndex]); + fileEntry = QFileSystemEntry(nativePath + qt_TDesC2QString(entry.iName), QFileSystemEntry::FromNativePath()); + metaData.fillFromTEntry(entry); + return true; + } + + //TODO: error reporting, to allow user to distinguish empty directory from error condition. + + return false; +} + +QT_END_NAMESPACE |