Line data    Source code

       1             : /*
       2             :  * Version: MPL 1.1 / GPLv3+ / LGPLv3+
       3             :  *
       4             :  * The contents of this file are subject to the Mozilla Public License Version
       5             :  * 1.1 (the "License"); you may not use this file except in compliance with
       6             :  * the License. You may obtain a copy of the License at
       7             :  * http://www.mozilla.org/MPL/
       8             :  *
       9             :  * Software distributed under the License is distributed on an "AS IS" basis,
      10             :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      11             :  * for the specific language governing rights and limitations under the
      12             :  * License.
      13             :  *
      14             :  * The Initial Developer of the Original Code is
      15             :  *       Miklos Vajna <vmiklos@suse.cz> (SUSE, Inc.)
      16             :  * Portions created by the Initial Developer are Copyright (C) 2012 the
      17             :  * Initial Developer. All Rights Reserved.
      18             :  *
      19             :  * Contributor(s):
      20             :  *
      21             :  * Alternatively, the contents of this file may be used under the terms of
      22             :  * either the GNU General Public License Version 3 or later (the "GPLv3+"), or
      23             :  * the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
      24             :  * in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
      25             :  * instead of those above.
      26             :  */
      27             : 
      28             : #ifndef _RTFSTRINGBUFFER_HXX_
      29             : #define _RTFSTRINGBUFFER_HXX_
      30             : 
      31             : #include <rtl/strbuf.hxx>
      32             : #include <vector>
      33             : 
      34             : class SwGrfNode;
      35             : class SwFlyFrmFmt;
      36             : class RtfAttributeOutput;
      37             : 
      38             : /// Contains a buffered string or graphic during RTF export.
      39        1736 : class RtfStringBufferValue
      40             : {
      41             : public:
      42             :     /// Constructor for a string buffering.
      43             :     RtfStringBufferValue();
      44             :     /// Constructor for graphic buffering.
      45             :     RtfStringBufferValue(const SwFlyFrmFmt* pFlyFrmFmt, const SwGrfNode* pGrfNode);
      46             :     /// This version handles graphics.
      47             :     void makeStringAndClear(RtfAttributeOutput* pAttributeOutput);
      48             :     /// This one doesn't.
      49             :     rtl::OString makeStringAndClear();
      50             :     bool isGraphic() const;
      51             : 
      52             :     rtl::OStringBuffer m_aBuffer;
      53             :     const SwFlyFrmFmt* m_pFlyFrmFmt;
      54             :     const SwGrfNode* m_pGrfNode;
      55             : };
      56             : 
      57             : /// Wrapper around OStringBuffers, so less hexdump of graphics have to be kept in memory during RTF export.
      58         250 : class RtfStringBuffer
      59             : {
      60             : public:
      61             :     RtfStringBuffer();
      62             :     /// Length of all the contained buffers.
      63             :     sal_Int32 getLength() const;
      64             :     /// Writes the contents of the buffer directly to the supplied stream.
      65             :     void makeStringAndClear(RtfAttributeOutput* pAttributeOutput);
      66             :     /// Returns the bufferent strings as a string (ignores graphic elements!)
      67             :     rtl::OString makeStringAndClear();
      68             :     /// Access to the last buffer.
      69             :     rtl::OStringBuffer& getLastBuffer();
      70             :     rtl::OStringBuffer* operator->();
      71             :     /// Similar to ->setLength(0), but for all buffers.
      72             :     void clear();
      73             :     /// Same as ->append(), but for graphics and without expanding contents to save memory.
      74             :     void append(const SwFlyFrmFmt* pFlyFrmFmt, const SwGrfNode* pGrfNode);
      75             :     /// Append all contained buffers and clear the argument.
      76             :     void appendAndClear(RtfStringBuffer& rBuf);
      77             : private:
      78             :     typedef std::vector<RtfStringBufferValue> Values_t;
      79             :     Values_t m_aValues;
      80             : };
      81             : 
      82             : #endif // _RTFSTRINGBUFFER_HXX_
      83             : 
      84             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */