GNU CommonC++
|
00001 // Copyright (C) 1999-2005 Open Source Telecom Corporation. 00002 // 00003 // This program is free software; you can redistribute it and/or modify 00004 // it under the terms of the GNU General Public License as published by 00005 // the Free Software Foundation; either version 2 of the License, or 00006 // (at your option) any later version. 00007 // 00008 // This program is distributed in the hope that it will be useful, 00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00011 // GNU General Public License for more details. 00012 // 00013 // You should have received a copy of the GNU General Public License 00014 // along with this program; if not, write to the Free Software 00015 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00016 // 00017 // As a special exception, you may use this file as part of a free software 00018 // library without restriction. Specifically, if other files instantiate 00019 // templates or use macros or inline functions from this file, or you compile 00020 // this file and link it with other files to produce an executable, this 00021 // file does not by itself cause the resulting executable to be covered by 00022 // the GNU General Public License. This exception does not however 00023 // invalidate any other reasons why the executable file might be covered by 00024 // the GNU General Public License. 00025 // 00026 // This exception applies only to the code released under the name GNU 00027 // Common C++. If you copy code from other releases into a copy of GNU 00028 // Common C++, as the General Public License permits, the exception does 00029 // not apply to the code that you add in this way. To avoid misleading 00030 // anyone as to the status of such modified files, you must delete 00031 // this exception notice from them. 00032 // 00033 // If you write modifications of your own for GNU Common C++, it is your choice 00034 // whether to permit this exception to apply to your modifications. 00035 // If you do not wish that, delete this exception notice. 00036 // 00037 00043 #ifndef CCXX_ZSTREAM_H_ 00044 #define CCXX_ZSTREAM_H_ 00045 00046 #ifndef CCXX_MISSING_H_ 00047 #include <cc++/missing.h> 00048 #endif 00049 00050 #ifndef CCXX_THREAD_H_ 00051 #include <cc++/thread.h> 00052 #endif 00053 00054 #ifndef CCXX_STRING_H_ 00055 #include <cc++/string.h> 00056 #endif 00057 00058 #ifndef CCXX_EXCEPTION_H_ 00059 #include <cc++/exception.h> 00060 #endif 00061 00062 #include <zlib.h> 00063 00064 #ifdef CCXX_NAMESPACES 00065 namespace ost { 00066 #endif 00067 00068 #ifdef COMMON_STD_EXCEPTION 00069 00070 class __EXPORT IOZException : public IOException 00071 { 00072 public: 00073 IOZException(const String &str) : IOException(str) {}; 00074 }; 00075 00076 #endif 00077 00078 class __EXPORT IZStream : protected std::streambuf, public std::istream 00079 { 00080 private: 00081 gzFile fp; 00082 int doallocate(); 00083 bool throwflag; 00084 00085 protected: 00086 size_t bufsize; 00087 char *gbuf; 00088 00089 void allocate(size_t size); 00090 00091 int underflow(); 00092 00093 int uflow(); 00094 00095 public: 00096 IZStream(bool throwflag = false); 00097 IZStream(const char *name, size_t size = 512, bool tf = false); 00098 00099 bool isOpen(void); 00100 00101 void close(void); 00102 00103 virtual ~IZStream(); 00104 00105 void open(const char *name, size_t size = 512); 00106 00107 inline size_t getBufferSize(void) 00108 {return bufsize;}; 00109 }; 00110 00111 class __EXPORT OZStream : protected std::streambuf, public std::ostream 00112 { 00113 private: 00114 gzFile fp; 00115 int doallocate(); 00116 bool throwflag; 00117 00118 protected: 00119 size_t bufsize; 00120 char *pbuf; 00121 00122 void allocate(size_t size); 00123 00124 int overflow(int ch); 00125 00126 public: 00127 OZStream(bool throwflag = false); 00128 OZStream(const char *name, int level = Z_DEFAULT_COMPRESSION, size_t size = 512, bool tf = false); 00129 00130 bool isOpen(void); 00131 00132 void close(void); 00133 00134 virtual ~OZStream(); 00135 00136 void open(const char *name, int level = Z_DEFAULT_COMPRESSION, size_t size = 512); 00137 00138 inline size_t getBufferSize(void) 00139 {return bufsize;}; 00140 }; 00141 00142 #ifdef CCXX_NAMESPACES 00143 } 00144 #endif 00145 00146 #endif 00147