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<h1>FXGZStream.h</h1><div class="fragment"><pre>00001 <span class="comment">/********************************************************************************</span>
00002 <span class="comment">* *</span>
00003 <span class="comment">* G Z S t r e a m C l a s s e s *</span>
00004 <span class="comment">* *</span>
00005 <span class="comment">*********************************************************************************</span>
00006 <span class="comment">* Copyright (C) 2002,2004 by Sander Jansen. All Rights Reserved. *</span>
00007 <span class="comment">*********************************************************************************</span>
00008 <span class="comment">* This library is free software; you can redistribute it and/or *</span>
00009 <span class="comment">* modify it under the terms of the GNU Lesser General Public *</span>
00010 <span class="comment">* License as published by the Free Software Foundation; either *</span>
00011 <span class="comment">* version 2.1 of the License, or (at your option) any later version. *</span>
00012 <span class="comment">* *</span>
00013 <span class="comment">* This library is distributed in the hope that it will be useful, *</span>
00014 <span class="comment">* but WITHOUT ANY WARRANTY; without even the implied warranty of *</span>
00015 <span class="comment">* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *</span>
00016 <span class="comment">* Lesser General Public License for more details. *</span>
00017 <span class="comment">* *</span>
00018 <span class="comment">* You should have received a copy of the GNU Lesser General Public *</span>
00019 <span class="comment">* License along with this library; if not, write to the Free Software *</span>
00020 <span class="comment">* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *</span>
00021 <span class="comment">*********************************************************************************</span>
00022 <span class="comment">* $Id: FXGZStream.h,v 1.4 2004/02/08 17:17:33 fox Exp $ *</span>
00023 <span class="comment">********************************************************************************/</span>
00024 <span class="preprocessor">#ifdef HAVE_ZLIB_H</span>
00025 <span class="preprocessor"></span><span class="preprocessor">#ifndef FXGZSTREAM_H</span>
00026 <span class="preprocessor"></span><span class="preprocessor">#define FXGZSTREAM_H</span>
00027 <span class="preprocessor"></span>
00028 <span class="preprocessor">#ifndef FXSTREAM_H</span>
00029 <span class="preprocessor"></span><span class="preprocessor">#include "FXStream.h"</span>
00030 <span class="preprocessor">#endif</span>
00031 <span class="preprocessor"></span>
00032
00033 <span class="keyword">namespace </span>FX {
00034
00035 <span class="comment"></span>
00036 <span class="comment">/// GZIP compressed stream</span>
00037 <span class="comment"></span><span class="keyword">class </span>FXAPI FXGZFileStream : <span class="keyword">public</span> FXStream {
00038 <span class="keyword">private</span>:
00039 <span class="keywordtype">void</span> *file;
00040 <span class="keyword">protected</span>:
00041 <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> writeBuffer(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> count);
00042 <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> readBuffer(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> count);
00043 <span class="keyword">public</span>:
00044 <span class="comment"></span>
00045 <span class="comment"> /// Create GZIP compressed file stream</span>
00046 <span class="comment"></span> FXGZFileStream(<span class="keyword">const</span> FXObject* cont=NULL);
00047 <span class="comment"></span>
00048 <span class="comment"> /// Open file stream</span>
00049 <span class="comment"></span> FXbool open(<span class="keyword">const</span> FXString& filename,FXStreamDirection save_or_load,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> size=8192);
00050 <span class="comment"></span>
00051 <span class="comment"> /// Close file stream</span>
00052 <span class="comment"></span> <span class="keyword">virtual</span> FXbool close();
00053 <span class="comment"></span>
00054 <span class="comment"> /// Move to position</span>
00055 <span class="comment"></span> <span class="keyword">virtual</span> FXbool position(<span class="keywordtype">long</span>,FXWhence){ <span class="keywordflow">return</span> FALSE; }
00056 <span class="comment"></span>
00057 <span class="comment"> /// Save single items to stream</span>
00058 <span class="comment"></span> FXGZFileStream& operator<<(<span class="keyword">const</span> FXuchar& v){ FXStream::operator<<(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00059 FXGZFileStream& operator<<(<span class="keyword">const</span> FXchar& v){ FXStream::operator<<(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00060 FXGZFileStream& operator<<(<span class="keyword">const</span> FXushort& v){ FXStream::operator<<(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00061 FXGZFileStream& operator<<(<span class="keyword">const</span> FXshort& v){ FXStream::operator<<(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00062 FXGZFileStream& operator<<(<span class="keyword">const</span> FXuint& v){ FXStream::operator<<(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00063 FXGZFileStream& operator<<(<span class="keyword">const</span> FXint& v){ FXStream::operator<<(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00064 FXGZFileStream& operator<<(<span class="keyword">const</span> FXfloat& v){ FXStream::operator<<(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00065 FXGZFileStream& operator<<(<span class="keyword">const</span> FXdouble& v){ FXStream::operator<<(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00066 <span class="preprocessor">#ifdef FX_LONG</span>
00067 <span class="preprocessor"></span> FXGZFileStream& operator<<(<span class="keyword">const</span> FXlong& v){ FXStream::operator<<(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00068 FXGZFileStream& operator<<(<span class="keyword">const</span> FXulong& v){ FXStream::operator<<(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00069 <span class="preprocessor">#endif</span>
00070 <span class="preprocessor"></span><span class="comment"></span>
00071 <span class="comment"> /// Save arrays of items to stream</span>
00072 <span class="comment"></span> FXGZFileStream& save(<span class="keyword">const</span> FXuchar* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::save(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00073 FXGZFileStream& save(<span class="keyword">const</span> FXchar* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::save(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00074 FXGZFileStream& save(<span class="keyword">const</span> FXushort* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::save(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00075 FXGZFileStream& save(<span class="keyword">const</span> FXshort* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::save(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00076 FXGZFileStream& save(<span class="keyword">const</span> FXuint* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::save(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00077 FXGZFileStream& save(<span class="keyword">const</span> FXint* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::save(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00078 FXGZFileStream& save(<span class="keyword">const</span> FXfloat* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::save(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00079 FXGZFileStream& save(<span class="keyword">const</span> FXdouble* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::save(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00080 <span class="preprocessor">#ifdef FX_LONG</span>
00081 <span class="preprocessor"></span> FXGZFileStream& save(<span class="keyword">const</span> FXlong* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::save(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00082 FXGZFileStream& save(<span class="keyword">const</span> FXulong* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::save(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00083 <span class="preprocessor">#endif</span>
00084 <span class="preprocessor"></span><span class="comment"></span>
00085 <span class="comment"> /// Load single items from stream</span>
00086 <span class="comment"></span> FXGZFileStream& operator>>(FXuchar& v){ FXStream::operator>>(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00087 FXGZFileStream& operator>>(FXchar& v){ FXStream::operator>>(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00088 FXGZFileStream& operator>>(FXushort& v){ FXStream::operator>>(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00089 FXGZFileStream& operator>>(FXshort& v){ FXStream::operator>>(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00090 FXGZFileStream& operator>>(FXuint& v){ FXStream::operator>>(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00091 FXGZFileStream& operator>>(FXint& v){ FXStream::operator>>(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00092 FXGZFileStream& operator>>(FXfloat& v){ FXStream::operator>>(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00093 FXGZFileStream& operator>>(FXdouble& v){ FXStream::operator>>(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00094 <span class="preprocessor">#ifdef FX_LONG</span>
00095 <span class="preprocessor"></span> FXGZFileStream& operator>>(FXlong& v){ FXStream::operator>>(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00096 FXGZFileStream& operator>>(FXulong& v){ FXStream::operator>>(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00097 <span class="preprocessor">#endif</span>
00098 <span class="preprocessor"></span><span class="comment"></span>
00099 <span class="comment"> /// Load arrays of items from stream</span>
00100 <span class="comment"></span> FXGZFileStream& load(FXuchar* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::load(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00101 FXGZFileStream& load(FXchar* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::load(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00102 FXGZFileStream& load(FXushort* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::load(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00103 FXGZFileStream& load(FXshort* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::load(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00104 FXGZFileStream& load(FXuint* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::load(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00105 FXGZFileStream& load(FXint* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::load(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00106 FXGZFileStream& load(FXfloat* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::load(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00107 FXGZFileStream& load(FXdouble* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::load(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00108 <span class="preprocessor">#ifdef FX_LONG</span>
00109 <span class="preprocessor"></span> FXGZFileStream& load(FXlong* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::load(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00110 FXGZFileStream& load(FXulong* p,<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> n){ FXStream::load(p,n); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00111 <span class="preprocessor">#endif</span>
00112 <span class="preprocessor"></span><span class="comment"></span>
00113 <span class="comment"> /// Save object</span>
00114 <span class="comment"></span> FXGZFileStream& saveObject(<span class="keyword">const</span> FXObject* v){ FXStream::saveObject(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00115 <span class="comment"></span>
00116 <span class="comment"> /// Load object</span>
00117 <span class="comment"></span> FXGZFileStream& loadObject(FXObject*& v){ FXStream::loadObject(v); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00118 <span class="comment"></span>
00119 <span class="comment"> /// Clean up</span>
00120 <span class="comment"></span> <span class="keyword">virtual</span> ~FXGZFileStream();
00121 };
00122
00123 }
00124
00125
00126 <span class="preprocessor">#endif</span>
00127 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
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