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/*
* IO layer : gzip streambuf and streams
*
* Authors:
* Johan Ceuppens <jceuppen at easynet dot be>
*
* Copyright (C) 2004 Johan Ceuppens
*
* Released under GNU LGPL, read the file 'COPYING.LIB' for more information
*/
#ifndef __STREAMS_GZIP_H_
#define __STREAMS_GZIP_H_
#include "streams-zlib.h"
namespace Inkscape {
class GZipHeaderException : public ZlibBufferException
{
public:
const char *what() const throw() { return "Invalid gzip file"; }
};
/**
* GZipBuffer
*/
class GZipBuffer : public ZlibBuffer
{
public:
GZipBuffer(URIHandle& urih) //throws GZipHeaderException
: ZlibBuffer(urih)
{ consume_header(); }
~GZipBuffer() {}
private:
void consume_header() throw(GZipHeaderException);
void check_signature(guint8 *data) throw(GZipHeaderException);
void check_flags(guint8 *data) throw(GZipHeaderException);
gchar *get_filename();
gchar *get_comment();
guint16 get_crc();
void get_extrafield();
gchar *read_string() throw(GZipHeaderException);
GZipBuffer& operator=(GZipBuffer const& rhs);
GZipBuffer(GZipBuffer const& rhs);
};
} // namespace Inkscape
#endif // header guard
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
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