--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xlsx/xlsxabstractooxmlfile.h	Tue Mar 22 10:38:08 2016 +0100
@@ -0,0 +1,70 @@
+/****************************************************************************
+** Copyright (c) 2013-2014 Debao Zhang <hello@debao.me>
+** All right reserved.
+**
+** Permission is hereby granted, free of charge, to any person obtaining
+** a copy of this software and associated documentation files (the
+** "Software"), to deal in the Software without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Software, and to
+** permit persons to whom the Software is furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be
+** included in all copies or substantial portions of the Software.
+**
+** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+**
+****************************************************************************/
+
+#ifndef QXLSX_XLSXABSTRACTOOXMLFILE_H
+#define QXLSX_XLSXABSTRACTOOXMLFILE_H
+
+#include "xlsxglobal.h"
+
+class QIODevice;
+class QByteArray;
+
+QT_BEGIN_NAMESPACE_XLSX
+class Relationships;
+class AbstractOOXmlFilePrivate;
+
+class Q_XLSX_EXPORT AbstractOOXmlFile
+{
+    Q_DECLARE_PRIVATE(AbstractOOXmlFile)
+public:
+    enum CreateFlag
+    {
+        F_NewFromScratch,
+        F_LoadFromExists
+    };
+
+    virtual ~AbstractOOXmlFile();
+
+    virtual void saveToXmlFile(QIODevice *device) const = 0;
+    virtual bool loadFromXmlFile(QIODevice *device) = 0;
+
+    virtual QByteArray saveToXmlData() const;
+    virtual bool loadFromXmlData(const QByteArray &data);
+
+    Relationships *relationships() const;
+
+    void setFilePath(const QString path);
+    QString filePath() const;
+
+protected:
+    AbstractOOXmlFile(CreateFlag flag);
+    AbstractOOXmlFile(AbstractOOXmlFilePrivate *d);
+
+    AbstractOOXmlFilePrivate *d_ptr;
+};
+
+QT_END_NAMESPACE_XLSX
+
+#endif // QXLSX_XLSXABSTRACTOOXMLFILE_H