src/corelib/io/qfsfileengine_p.h
changeset 0 1918ee327afb
child 3 41300fa6a67c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/corelib/io/qfsfileengine_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,172 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFSFILEENGINE_P_H
+#define QFSFILEENGINE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qplatformdefs.h"
+#include "QtCore/qfsfileengine.h"
+#include "private/qabstractfileengine_p.h"
+#include <qhash.h>
+
+#ifndef QT_NO_FSFILEENGINE
+
+QT_BEGIN_NAMESPACE
+
+#if defined(Q_OS_WINCE_STD) && _WIN32_WCE < 0x600
+#define Q_USE_DEPRECATED_MAP_API 1
+#endif
+
+class QFSFileEnginePrivate : public QAbstractFileEnginePrivate
+{
+    Q_DECLARE_PUBLIC(QFSFileEngine)
+
+public:
+#ifdef Q_WS_WIN
+    static QString longFileName(const QString &path);
+#endif
+    static QString canonicalized(const QString &path);
+
+    QString filePath;
+    QByteArray nativeFilePath;
+    QIODevice::OpenMode openMode;
+
+    void nativeInitFileName();
+    bool nativeOpen(QIODevice::OpenMode openMode);
+    bool openFh(QIODevice::OpenMode flags, FILE *fh);
+    bool openFd(QIODevice::OpenMode flags, int fd);
+    bool nativeClose();
+    bool closeFdFh();
+    bool nativeFlush();
+    bool flushFh();
+    qint64 nativeSize() const;
+    qint64 sizeFdFh() const;
+    qint64 nativePos() const;
+    qint64 posFdFh() const;
+    bool nativeSeek(qint64);
+    bool seekFdFh(qint64);
+    qint64 nativeRead(char *data, qint64 maxlen);
+    qint64 readFdFh(char *data, qint64 maxlen);
+    qint64 nativeReadLine(char *data, qint64 maxlen);
+    qint64 readLineFdFh(char *data, qint64 maxlen);
+    qint64 nativeWrite(const char *data, qint64 len);
+    qint64 writeFdFh(const char *data, qint64 len);
+    int nativeHandle() const;
+    bool nativeIsSequential() const;
+    bool isSequentialFdFh() const;
+
+    uchar *map(qint64 offset, qint64 size, QFile::MemoryMapFlags flags);
+    bool unmap(uchar *ptr);
+
+    FILE *fh;
+#ifdef Q_WS_WIN
+    HANDLE fileHandle;
+    QHash<uchar *, QPair<int /*offset*/, HANDLE /*handle*/> > maps;
+    mutable int cachedFd;
+    mutable DWORD fileAttrib;
+#else
+    QHash<uchar *, QPair<int /*offset*/, int /*handle|len*/> > maps;
+    mutable QT_STATBUF st;
+#endif
+    int fd;
+
+#ifdef Q_USE_DEPRECATED_MAP_API
+    void mapHandleClose();
+    HANDLE fileMapHandle;
+#endif
+
+    enum LastIOCommand
+    {
+        IOFlushCommand,
+        IOReadCommand,
+        IOWriteCommand
+    };
+    LastIOCommand  lastIOCommand;
+    bool lastFlushFailed;
+    bool closeFileHandle;
+
+    mutable uint is_sequential : 2;
+    mutable uint could_stat : 1;
+    mutable uint tried_stat : 1;
+#if !defined(Q_OS_WINCE)
+    mutable uint need_lstat : 1;
+    mutable uint is_link : 1;
+#endif
+
+    bool doStat() const;
+    bool isSymlink() const;
+
+#if defined(Q_OS_WIN32)
+    int sysOpen(const QString &, int flags);
+#endif
+
+#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+    static void resolveLibs();
+    static bool resolveUNCLibs();
+    static bool uncListSharesOnServer(const QString &server, QStringList *list);
+#endif
+
+protected:
+    QFSFileEnginePrivate();
+
+    void init();
+
+#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+    QAbstractFileEngine::FileFlags getPermissions() const;
+#endif
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_FSFILEENGINE
+
+#endif // QFSFILEENGINE_P_H