179 lines
4.5 KiB
C++
179 lines
4.5 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: hiodev.h,v $
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*
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* $Revision: 1.4 $
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*
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* last change: $Author: hr $ $Date: 2006-06-20 00:54:06 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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/**
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* hwpio.h
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* (C) 1999 Mizi Research, All rights are reserved
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*
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* $Id: hiodev.h,v 1.4 2006-06-20 00:54:06 hr Exp $
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*/
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#ifndef _HIODEV_H_
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#define _HIODEV_H_
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include <stdio.h>
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#include "hwplib.h"
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/**
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* @short Abstract IO class
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*/
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class DLLEXPORT HIODev
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{
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protected:
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bool compressed;
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virtual void init();
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public:
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HIODev();
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virtual ~HIODev();
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virtual bool open() = 0;
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virtual void close() = 0;
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virtual void flush() = 0;
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virtual int state() const = 0;
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/* gzip routine wrapper */
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virtual bool setCompressed( bool ) = 0;
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virtual int read1b() = 0;
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virtual int read2b() = 0;
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virtual long read4b() = 0;
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virtual int readBlock( void *ptr, int size ) = 0;
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virtual int skipBlock( int size ) = 0;
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virtual int read1b( void *ptr, int nmemb );
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virtual int read2b( void *ptr, int nmemb );
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virtual int read4b( void *ptr, int nmemb );
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};
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struct gz_stream;
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/* <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>ġ */
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/**
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* This controls the HStream given by constructor
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* @short Stream IO device
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*/
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class HStreamIODev : public HIODev
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{
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private:
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/* zlib<69><62><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Ǯ<><C7AE> <20><><EFBFBD><EFBFBD> <20>ڷ<EFBFBD> <20><><EFBFBD><EFBFBD> */
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gz_stream *_gzfp;
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HStream& _stream;
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public:
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HStreamIODev(HStream& stream);
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virtual ~HStreamIODev();
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/**
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* Check whether the stream is available
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*/
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virtual bool open();
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/**
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* Free stream object
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*/
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virtual void close();
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/**
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* If the stream is gzipped, flush the stream.
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*/
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virtual void flush();
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/**
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* Not implemented.
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*/
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virtual int state() const;
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/**
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* Set whether the stream is compressed or not
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*/
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virtual bool setCompressed( bool );
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/**
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* Read one byte from stream
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*/
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using HIODev::read1b;
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virtual int read1b();
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/**
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* Read 2 bytes from stream
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*/
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using HIODev::read2b;
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virtual int read2b();
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/**
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* Read 4 bytes from stream
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*/
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using HIODev::read4b;
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virtual long read4b();
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/**
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* Read some bytes from stream to given pointer as amount of size
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*/
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virtual int readBlock( void *ptr, int size );
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/**
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* Move current pointer of stream as amount of size
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*/
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virtual int skipBlock( int size );
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protected:
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/**
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* Initialize this object
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*/
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virtual void init();
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};
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/* <20><EFBFBD><DEB8><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>ġ */
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/**
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* The HMemIODev class controls the Input/Output device.
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* @short Memory IO device
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*/
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class HMemIODev : public HIODev
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{
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uchar *ptr;
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int pos, length;
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public:
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HMemIODev(char *s, int len);
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virtual ~HMemIODev();
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virtual bool open();
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virtual void close();
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virtual void flush();
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virtual int state() const;
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/* gzip routine wrapper */
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virtual bool setCompressed( bool );
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using HIODev::read1b;
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virtual int read1b();
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using HIODev::read2b;
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virtual int read2b();
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using HIODev::read4b;
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virtual long read4b();
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virtual int readBlock( void *ptr, int size );
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virtual int skipBlock( int size );
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protected:
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virtual void init();
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};
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#endif /* _HIODEV_H_*/
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