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FXGZStream.h

00001 /********************************************************************************
00002 *                                                                               *
00003 *                        G Z S t r e a m  C l a s s e s                         *
00004 *                                                                               *
00005 *********************************************************************************
00006 * Copyright (C) 2002,2004 by Sander Jansen.   All Rights Reserved.              *
00007 *********************************************************************************
00008 * This library is free software; you can redistribute it and/or                 *
00009 * modify it under the terms of the GNU Lesser General Public                    *
00010 * License as published by the Free Software Foundation; either                  *
00011 * version 2.1 of the License, or (at your option) any later version.            *
00012 *                                                                               *
00013 * This library is distributed in the hope that it will be useful,               *
00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of                *
00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU             *
00016 * Lesser General Public License for more details.                               *
00017 *                                                                               *
00018 * You should have received a copy of the GNU Lesser General Public              *
00019 * License along with this library; if not, write to the Free Software           *
00020 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.    *
00021 *********************************************************************************
00022 * $Id: FXGZStream.h,v 1.4 2004/02/08 17:17:33 fox Exp $                         *
00023 ********************************************************************************/
00024 #ifdef HAVE_ZLIB_H
00025 #ifndef FXGZSTREAM_H
00026 #define FXGZSTREAM_H
00027 
00028 #ifndef FXSTREAM_H
00029 #include "FXStream.h"
00030 #endif
00031 
00032 
00033 namespace FX {
00034 
00035 
00036 /// GZIP compressed stream
00037 class FXAPI FXGZFileStream : public FXStream {
00038 private:
00039   void *file;
00040 protected:
00041   virtual unsigned long writeBuffer(unsigned long count);
00042   virtual unsigned long readBuffer(unsigned long count);
00043 public:
00044 
00045   /// Create GZIP compressed file stream
00046   FXGZFileStream(const FXObject* cont=NULL);
00047 
00048   /// Open file stream
00049   FXbool open(const FXString& filename,FXStreamDirection save_or_load,unsigned long size=8192);
00050 
00051   /// Close file stream
00052   virtual FXbool close();
00053 
00054   /// Move to position
00055   virtual FXbool position(long,FXWhence){ return FALSE; }
00056 
00057   /// Save single items to stream
00058   FXGZFileStream& operator<<(const FXuchar& v){ FXStream::operator<<(v); return *this; }
00059   FXGZFileStream& operator<<(const FXchar& v){ FXStream::operator<<(v); return *this; }
00060   FXGZFileStream& operator<<(const FXushort& v){ FXStream::operator<<(v); return *this; }
00061   FXGZFileStream& operator<<(const FXshort& v){ FXStream::operator<<(v); return *this; }
00062   FXGZFileStream& operator<<(const FXuint& v){ FXStream::operator<<(v); return *this; }
00063   FXGZFileStream& operator<<(const FXint& v){ FXStream::operator<<(v); return *this; }
00064   FXGZFileStream& operator<<(const FXfloat& v){ FXStream::operator<<(v); return *this; }
00065   FXGZFileStream& operator<<(const FXdouble& v){ FXStream::operator<<(v); return *this; }
00066 #ifdef FX_LONG
00067   FXGZFileStream& operator<<(const FXlong& v){ FXStream::operator<<(v); return *this; }
00068   FXGZFileStream& operator<<(const FXulong& v){ FXStream::operator<<(v); return *this; }
00069 #endif
00070 
00071   /// Save arrays of items to stream
00072   FXGZFileStream& save(const FXuchar* p,unsigned long n){ FXStream::save(p,n); return *this; }
00073   FXGZFileStream& save(const FXchar* p,unsigned long n){ FXStream::save(p,n); return *this; }
00074   FXGZFileStream& save(const FXushort* p,unsigned long n){ FXStream::save(p,n); return *this; }
00075   FXGZFileStream& save(const FXshort* p,unsigned long n){ FXStream::save(p,n); return *this; }
00076   FXGZFileStream& save(const FXuint* p,unsigned long n){ FXStream::save(p,n); return *this; }
00077   FXGZFileStream& save(const FXint* p,unsigned long n){ FXStream::save(p,n); return *this; }
00078   FXGZFileStream& save(const FXfloat* p,unsigned long n){ FXStream::save(p,n); return *this; }
00079   FXGZFileStream& save(const FXdouble* p,unsigned long n){ FXStream::save(p,n); return *this; }
00080 #ifdef FX_LONG
00081   FXGZFileStream& save(const FXlong* p,unsigned long n){ FXStream::save(p,n); return *this; }
00082   FXGZFileStream& save(const FXulong* p,unsigned long n){ FXStream::save(p,n); return *this; }
00083 #endif
00084 
00085   /// Load single items from stream
00086   FXGZFileStream& operator>>(FXuchar& v){ FXStream::operator>>(v); return *this; }
00087   FXGZFileStream& operator>>(FXchar& v){ FXStream::operator>>(v); return *this; }
00088   FXGZFileStream& operator>>(FXushort& v){ FXStream::operator>>(v); return *this; }
00089   FXGZFileStream& operator>>(FXshort& v){ FXStream::operator>>(v); return *this; }
00090   FXGZFileStream& operator>>(FXuint& v){ FXStream::operator>>(v); return *this; }
00091   FXGZFileStream& operator>>(FXint& v){ FXStream::operator>>(v); return *this; }
00092   FXGZFileStream& operator>>(FXfloat& v){ FXStream::operator>>(v); return *this; }
00093   FXGZFileStream& operator>>(FXdouble& v){ FXStream::operator>>(v); return *this; }
00094 #ifdef FX_LONG
00095   FXGZFileStream& operator>>(FXlong& v){ FXStream::operator>>(v); return *this; }
00096   FXGZFileStream& operator>>(FXulong& v){ FXStream::operator>>(v); return *this; }
00097 #endif
00098 
00099   /// Load arrays of items from stream
00100   FXGZFileStream& load(FXuchar* p,unsigned long n){ FXStream::load(p,n); return *this; }
00101   FXGZFileStream& load(FXchar* p,unsigned long n){ FXStream::load(p,n); return *this; }
00102   FXGZFileStream& load(FXushort* p,unsigned long n){ FXStream::load(p,n); return *this; }
00103   FXGZFileStream& load(FXshort* p,unsigned long n){ FXStream::load(p,n); return *this; }
00104   FXGZFileStream& load(FXuint* p,unsigned long n){ FXStream::load(p,n); return *this; }
00105   FXGZFileStream& load(FXint* p,unsigned long n){ FXStream::load(p,n); return *this; }
00106   FXGZFileStream& load(FXfloat* p,unsigned long n){ FXStream::load(p,n); return *this; }
00107   FXGZFileStream& load(FXdouble* p,unsigned long n){ FXStream::load(p,n); return *this; }
00108 #ifdef FX_LONG
00109   FXGZFileStream& load(FXlong* p,unsigned long n){ FXStream::load(p,n); return *this; }
00110   FXGZFileStream& load(FXulong* p,unsigned long n){ FXStream::load(p,n); return *this; }
00111 #endif
00112 
00113   /// Save object
00114   FXGZFileStream& saveObject(const FXObject* v){ FXStream::saveObject(v); return *this; }
00115 
00116   /// Load object
00117   FXGZFileStream& loadObject(FXObject*& v){ FXStream::loadObject(v); return *this; }
00118 
00119   /// Clean up
00120   virtual ~FXGZFileStream();
00121   };
00122 
00123 }
00124 
00125 
00126 #endif
00127 #endif

Copyright © 1997-2004 Jeroen van der Zijp