Implementation of QFileSystemEngine for Symbian OS

Code comes from QFile, QDir and QFileInfo in the native IO branch

Reviewed-By: joao

1 files changed, 213 insertions, 0 deletions

diff --git a/src/corelib/io/qfilesystemengine_symbian.cpp b/src/corelib/io/qfilesystemengine_symbian.cpp
new file mode 100644
index 0000000..2798bdf
--- /dev/null
+++ b/src/corelib/io/qfilesystemengine_symbian.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2010 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 "qfilesystemengine_p.h"
+#include "qfsfileengine.h"
+#include "qcore_symbian_p.h"
+
+#include <f32file.h>
+
+QT_BEGIN_NAMESPACE
+
+bool QFileSystemEngine::isCaseSensitive()
+{
+    return false;
+}
+
+//static
+QFileSystemEntry QFileSystemEngine::getLinkTarget(const QFileSystemEntry &link)
+{
+    return link; // TODO implement
+}
+
+//static
+QFileSystemEntry QFileSystemEngine::canonicalName(const QFileSystemEntry &entry)
+{
+    if (entry.isEmpty() || entry.isRoot())
+        return entry;
+
+    QFileSystemEntry result = absoluteName(entry);
+    RFs& fs(qt_s60GetRFs());
+    TUint e;
+    //Att is faster than Entry for determining if a file exists, due to smaller IPC
+    TInt r = fs.Att(qt_QString2TPtrC(result.nativeFilePath()), e);
+
+    if (r == KErrNone) {
+        return result;
+    } else { // file doesn't exist
+        return QFileSystemEntry();
+    }
+}
+
+//static
+QFileSystemEntry QFileSystemEngine::absoluteName(const QFileSystemEntry &entry)
+{
+    if (entry.isAbsolute())
+        return entry;
+
+    QString orig = entry.filePath();
+    QString result;
+    if (orig.isEmpty() || !orig.startsWith('/')) {
+        QFileSystemEntry cur(QFSFileEngine::currentPath());
+        result = cur.filePath();
+    }
+    if (!orig.isEmpty() && !(orig.length() == 1 && orig[0] == '.')) {
+        if (!result.isEmpty() && !result.endsWith('/'))
+            result.append('/');
+        result.append(orig);
+    }
+
+    if (result.length() == 1 && result[0] == '/')
+        return QFileSystemEntry(result);
+    const bool isDir = result.endsWith('/');
+
+    result = QDir::cleanPath(result);
+    if (isDir)
+        result.append(QLatin1Char('/'));
+    return QFileSystemEntry(result);
+}
+
+//static
+QString QFileSystemEngine::bundleName(const QFileSystemEntry &entry)
+{
+    return QString(); // TODO implement;
+}
+
+//static
+bool QFileSystemEngine::fillMetaData(const QFileSystemEntry &entry, QFileSystemMetaData &data, QFileSystemMetaData::MetaDataFlags what)
+{
+    return false; // TODO implement;
+}
+
+//static
+bool QFileSystemEngine::createDirectory(const QFileSystemEntry &entry, bool createParents)
+{
+    QString abspath = absoluteName(entry).nativeFilePath();
+    if (!abspath.endsWith(QLatin1Char('\\')))
+        abspath.append(QLatin1Char('\\'));
+    TInt r;
+    if (createParents)
+        r = qt_s60GetRFs().MkDirAll(qt_QString2TPtrC(abspath));
+    else
+        r = qt_s60GetRFs().MkDir(qt_QString2TPtrC(abspath));
+    return (r == KErrNone || r == KErrAlreadyExists);
+}
+
+//static
+bool QFileSystemEngine::removeDirectory(const QFileSystemEntry &entry, bool removeEmptyParents)
+{
+    QString abspath = absoluteName(entry).nativeFilePath();
+    if (!abspath.endsWith(QLatin1Char('\\')))
+        abspath.append(QLatin1Char('\\'));
+    TPtrC dir(qt_QString2TPtrC(abspath));
+    RFs& fs = qt_s60GetRFs();
+    bool ok = false;
+    //behaviour of FS file engine:
+    //returns true if the directory could be removed
+    //success/failure of removing parent directories does not matter
+    while (KErrNone == fs.RmDir(dir)) {
+        ok = true;
+        if (!removeEmptyParents)
+            break;
+        //RFs::RmDir treats "c:\foo\bar" and "c:\foo\" the same, so it is sufficient to remove the last \ to the end
+        dir.Set(dir.Left(dir.LocateReverse(TChar('\\'))));
+    }
+    return ok;
+}
+
+//static
+bool QFileSystemEngine::createLink(const QFileSystemEntry &source, const QFileSystemEntry &target)
+{
+    Q_UNUSED(source)
+    Q_UNUSED(target)
+    return false;
+}
+
+//static
+bool QFileSystemEngine::copyFile(const QFileSystemEntry &source, const QFileSystemEntry &target)
+{
+    //TODO: review - should this be a singleton?
+    CFileMan *fm = 0;
+    TRAPD(err, fm = CFileMan::NewL(qt_s60GetRFs()));
+    if(err == KErrNone) {
+        err = fm->Copy(qt_QString2TPtrC(source.nativeFilePath()), qt_QString2TPtrC(target.nativeFilePath()), 0);
+        delete fm;
+        return true;
+    }
+    //TODO: error reporting d->setSymbianError(err, QFile::CopyError);
+    return false;
+}
+
+//static
+bool QFileSystemEngine::renameFile(const QFileSystemEntry &source, const QFileSystemEntry &target)
+{
+    QString sourcepath = absoluteName(source).nativeFilePath();
+    QString targetpath = absoluteName(target).nativeFilePath();
+    RFs& fs(qt_s60GetRFs());
+    TInt err = fs.Rename(qt_QString2TPtrC(sourcepath), qt_QString2TPtrC(targetpath));
+    return err == KErrNone; // TODO error reporting;
+}
+
+//static
+bool QFileSystemEngine::removeFile(const QFileSystemEntry &entry)
+{
+    QString targetpath = absoluteName(entry).nativeFilePath();
+    RFs& fs(qt_s60GetRFs());
+    TInt err = fs.Delete(qt_QString2TPtrC(targetpath));
+    return false; // TODO error reporting;
+}
+
+//static
+bool QFileSystemEngine::setPermissions(const QFileSystemEntry &entry, QFile::Permissions permissions, QFileSystemMetaData *data)
+{
+    QString targetpath = absoluteName(entry).nativeFilePath();
+    TUint setmask = 0;
+    TUint clearmask = 0;
+    RFs& fs(qt_s60GetRFs());
+    if (permissions & (QFile::ReadOwner | QFile::ReadUser | QFile::ReadGroup | QFile::ReadOther))
+        clearmask = KEntryAttReadOnly;
+    else
+        setmask = KEntryAttReadOnly;
+    TInt err = fs.SetAtt(qt_QString2TPtrC(targetpath), setmask, clearmask);
+    return err != KErrNone; // TODO error reporting, metadata update;
+}
+
+QT_END_NAMESPACE