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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef __SERIALIZATION_HXX
      21             : #define __SERIALIZATION_HXX
      22             : 
      23             : #include <map>
      24             : 
      25             : #include <sal/types.h>
      26             : #include <rtl/ustring.hxx>
      27             : #include <com/sun/star/uno/Reference.hxx>
      28             : #include <com/sun/star/uno/Sequence.hxx>
      29             : #include <com/sun/star/beans/NamedValue.hpp>
      30             : #include <com/sun/star/io/XInputStream.hpp>
      31             : #include <com/sun/star/xml/xpath/XXPathObject.hpp>
      32             : #include <com/sun/star/xml/dom/XDocumentFragment.hpp>
      33             : 
      34             : namespace CSS = com::sun::star;
      35             : 
      36             : /**
      37             : Serialize an XObject
      38             : */
      39             : 
      40             : typedef std::map<rtl::OUString, rtl::OUString> PropMap;
      41             : 
      42           0 : class CSerialization
      43             : {
      44             : protected:
      45             :     CSS::uno::Reference< CSS::xml::dom::XDocumentFragment > m_aFragment;
      46             :     PropMap m_properties;
      47             : 
      48             : public:
      49           0 :     virtual ~CSerialization() {}
      50             : 
      51             :     /**
      52             :     sets the XObject that is to serialized
      53             :     */
      54           0 :     virtual void setSource(const CSS::uno::Reference< CSS::xml::dom::XDocumentFragment >& aFragment)
      55             :     {
      56           0 :         m_aFragment = aFragment;
      57           0 :     }
      58             : 
      59             :     /**
      60             :     set the properties from the submission element
      61             :     that control aspects of the serialization
      62             :     eachs serialization may support individual properties
      63             :     */
      64             :     void setProperties(const CSS::uno::Sequence< CSS::beans::NamedValue >& props)
      65             :     {
      66             :         m_properties.clear();
      67             :         rtl::OUString aValue;
      68             :         for (sal_Int32 i=0; i<props.getLength(); i++)
      69             :         {
      70             :             if (props[i].Value >>= aValue)
      71             :                 m_properties.insert(PropMap::value_type(props[i].Name, aValue));
      72             :         }
      73             :     }
      74             : 
      75             :     /**
      76             :     start the serialization process
      77             :     */
      78             :     virtual void serialize()=0;
      79             : 
      80             :     /**
      81             :     get the serialized bytes.
      82             :     reads up to buffer->getLength() bytes and returns the number of
      83             :     bytes read.
      84             :     returns -1 on error
      85             :     */
      86             :     virtual CSS::uno::Reference< CSS::io::XInputStream > getInputStream() = 0;
      87             : 
      88             : };
      89             : 
      90             : #endif
      91             : 
      92             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */