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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef SEEN_INKSCAPE_IO_XSLTSTREAM_H
#define SEEN_INKSCAPE_IO_XSLTSTREAM_H
/**
* @file
* Xslt-enabled input and output streams.
*/
/*
* Authors:
* Bob Jamison <ishmalius@gmail.com>
*
* Copyright (C) 2004-2008 Inkscape.org
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "inkscapestream.h"
#include <libxslt/xslt.h>
#include <libxslt/xsltInternals.h>
namespace Inkscape
{
namespace IO
{
//#########################################################################
//# X S L T S T Y L E S H E E T
//#########################################################################
/**
* This is a container for reusing a loaded stylesheet
*/
class XsltStyleSheet
{
public:
/**
* Constructor with loading
*/
XsltStyleSheet(InputStream &source);
/**
* Simple constructor, no loading
*/
XsltStyleSheet();
/**
* Loader
*/
bool read(InputStream &source);
/**
* Destructor
*/
virtual ~XsltStyleSheet();
xsltStylesheetPtr stylesheet;
}; // class XsltStyleSheet
//#########################################################################
//# X S L T I N P U T S T R E A M
//#########################################################################
/**
* This class is for transforming stream input by a given stylesheet
*/
class XsltInputStream : public BasicInputStream
{
public:
XsltInputStream(InputStream &xmlSource, XsltStyleSheet &stylesheet);
~XsltInputStream() override;
int available() override;
void close() override;
int get() override;
private:
XsltStyleSheet &stylesheet;
xmlChar *outbuf;
int outsize;
int outpos;
}; // class XsltInputStream
//#########################################################################
//# X S L T O U T P U T S T R E A M
//#########################################################################
/**
* This class is for transforming stream output by a given stylesheet
*/
class XsltOutputStream : public BasicOutputStream
{
public:
XsltOutputStream(OutputStream &destination, XsltStyleSheet &stylesheet);
~XsltOutputStream() override;
void close() override;
void flush() override;
int put(char ch) override;
private:
XsltStyleSheet &stylesheet;
Glib::ustring outbuf;
bool flushed;
}; // class XsltOutputStream
} // namespace IO
} // namespace Inkscape
#endif /* __INKSCAPE_IO_XSLTSTREAM_H__ */
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