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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDED_SW_SOURCE_FILTER_WW8_RTFSTRINGBUFFER_HXX
#define INCLUDED_SW_SOURCE_FILTER_WW8_RTFSTRINGBUFFER_HXX
#include <rtl/strbuf.hxx>
#include <vector>
class SwGrfNode;
class SwFlyFrmFmt;
class RtfAttributeOutput;
/// Contains a buffered string or graphic during RTF export.
class RtfStringBufferValue
{
public:
/// Constructor for a string buffering.
RtfStringBufferValue();
/// Constructor for graphic buffering.
RtfStringBufferValue(const SwFlyFrmFmt* pFlyFrmFmt, const SwGrfNode* pGrfNode);
/// This version handles graphics.
void makeStringAndClear(RtfAttributeOutput* pAttributeOutput);
/// This one doesn't.
OString makeStringAndClear();
bool isGraphic() const;
OStringBuffer m_aBuffer;
const SwFlyFrmFmt* m_pFlyFrmFmt;
const SwGrfNode* m_pGrfNode;
};
/// Wrapper around OStringBuffers, so less hexdump of graphics have to be kept in memory during RTF export.
class RtfStringBuffer
{
public:
RtfStringBuffer();
/// Length of all the contained buffers.
sal_Int32 getLength() const;
/// Writes the contents of the buffer directly to the supplied stream.
void makeStringAndClear(RtfAttributeOutput* pAttributeOutput);
/// Returns the bufferent strings as a string (ignores graphic elements!)
OString makeStringAndClear();
/// Access to the last buffer.
OStringBuffer& getLastBuffer();
OStringBuffer* operator->();
/// Similar to ->setLength(0), but for all buffers.
void clear();
/// Same as ->append(), but for graphics and without expanding contents to save memory.
void append(const SwFlyFrmFmt* pFlyFrmFmt, const SwGrfNode* pGrfNode);
/// Append all contained buffers and clear the argument.
void appendAndClear(RtfStringBuffer& rBuf);
private:
typedef std::vector<RtfStringBufferValue> Values_t;
Values_t m_aValues;
};
#endif // INCLUDED_SW_SOURCE_FILTER_WW8_RTFSTRINGBUFFER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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