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/*
This file is part of the KDE libraries
Copyright (c) 2002 Waldo Bastian <bastian@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef _HTTPFILTER_H_
#define _HTTPFILTER_H_
#include <config.h>
#ifdef HAVE_LIBZ
#define DO_GZIP
#endif
#ifdef DO_GZIP
#include <zlib.h>
#endif
#include <tqobject.h>
#include <kmdcodec.h>
class HTTPFilterBase : public TQObject
{
Q_OBJECT
public:
HTTPFilterBase();
~HTTPFilterBase();
void chain(HTTPFilterBase *previous);
public slots:
virtual void slotInput(const TQByteArray &d) = 0;
signals:
void output(const TQByteArray &d);
void error(int, const TQString &);
protected:
HTTPFilterBase *last;
};
class HTTPFilterChain : public HTTPFilterBase
{
Q_OBJECT
public:
HTTPFilterChain();
void addFilter(HTTPFilterBase *filter);
public slots:
void slotInput(const TQByteArray &d);
private:
HTTPFilterBase *first;
};
class HTTPFilterMD5 : public HTTPFilterBase
{
Q_OBJECT
public:
HTTPFilterMD5();
TQString md5();
public slots:
void slotInput(const TQByteArray &d);
private:
KMD5 context;
};
class HTTPFilterGZip : public HTTPFilterBase
{
Q_OBJECT
public:
HTTPFilterGZip();
~HTTPFilterGZip();
public slots:
void slotInput(const TQByteArray &d);
protected:
int get_byte();
int checkHeader();
#ifdef DO_GZIP
z_stream zstr;
bool bEof : 1;
bool bHasHeader : 1;
bool bHasFinished : 1;
bool bPlainText : 1;
bool bEatTrailer : 1;
TQByteArray headerData;
int iTrailer;
#endif
};
class HTTPFilterDeflate : public HTTPFilterGZip
{
Q_OBJECT
public:
HTTPFilterDeflate();
};
#endif
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