Disk ARchive 2.3.12
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00001 /*********************************************************************/ 00002 // dar - disk archive - a backup/restoration program 00003 // Copyright (C) 2002-2052 Denis Corbin 00004 // 00005 // This program is free software; you can redistribute it and/or 00006 // modify it under the terms of the GNU General Public License 00007 // as published by the Free Software Foundation; either version 2 00008 // of the License, or (at your option) any later version. 00009 // 00010 // This program is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 // GNU General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU General Public License 00016 // along with this program; if not, write to the Free Software 00017 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00018 // 00019 // to contact the author : dar.linux@free.fr 00020 /*********************************************************************/ 00021 // $Id: wrapperlib.hpp,v 1.9.2.2 2009/04/07 08:45:29 edrusb Rel $ 00022 // 00023 /*********************************************************************/ 00024 00031 00032 #ifndef WRAPPERLIB_HPP 00033 #define WRAPPERLIB_HPP 00034 00035 #include "../my_config.h" 00036 00037 extern "C" 00038 { 00039 #if HAVE_ZLIB_H && LIBZ_AVAILABLE 00040 #include <zlib.h> 00041 #endif 00042 00043 #if HAVE_BZLIB_H && LIBBZ2_AVAILABLE 00044 #include <bzlib.h> 00045 #endif 00046 } // end extern "C" 00047 00048 #include "integers.hpp" 00049 00050 namespace libdar 00051 { 00052 00053 const int WR_OK = 0; 00054 const int WR_MEM_ERROR = 1; 00055 const int WR_VERSION_ERROR = 2; 00056 const int WR_STREAM_ERROR = 3; 00057 const int WR_DATA_ERROR = 4; 00058 const int WR_NO_FLUSH = 5; 00059 const int WR_BUF_ERROR = 6; 00060 const int WR_STREAM_END = 7; 00061 const int WR_FINISH = 8; 00062 00063 enum wrapperlib_mode { zlib_mode, bzlib_mode }; 00064 00066 00070 00071 class wrapperlib 00072 { 00073 public: 00074 wrapperlib(wrapperlib_mode mode); 00075 wrapperlib(const wrapperlib & ref); 00076 wrapperlib & operator = (const wrapperlib & ref); 00077 ~wrapperlib(); 00078 00079 void set_next_in(const char *x) { return (this->*x_set_next_in)(x); }; 00080 void set_avail_in(U_I x) { return (this->*x_set_avail_in)(x); }; 00081 U_I get_avail_in() const { return (this->*x_get_avail_in)(); }; 00082 U_64 get_total_in() const { return (this->*x_get_total_in)(); }; 00083 00084 void set_next_out(char *x) { return (this->*x_set_next_out)(x); }; 00085 char *get_next_out() const { return (this->*x_get_next_out)(); }; 00086 void set_avail_out(U_I x) { return (this->*x_set_avail_out)(x); }; 00087 U_I get_avail_out() const { return (this->*x_get_avail_out)(); }; 00088 U_64 get_total_out() const { return (this->*x_get_total_out)(); }; 00089 00090 S_I compressInit(U_I compression_level) { level = compression_level; return (this->*x_compressInit)(compression_level); }; 00091 S_I decompressInit() { return (this->*x_decompressInit)(); }; 00092 S_I compressEnd() { return (this->*x_compressEnd)(); }; 00093 S_I decompressEnd() { return (this->*x_decompressEnd)(); }; 00094 S_I compress(S_I flag) { return (this->*x_compress)(flag); }; 00095 S_I decompress(S_I flag) { return (this->*x_decompress)(flag);}; 00096 S_I compressReset(); 00097 S_I decompressReset(); 00098 00099 private: 00100 #if LIBZ_AVAILABLE 00101 z_stream *z_ptr; 00102 #endif 00103 #if LIBBZ2_AVAILABLE 00104 bz_stream *bz_ptr; 00105 #endif 00106 S_I level; 00107 00108 void (wrapperlib::*x_set_next_in)(const char *x); 00109 void (wrapperlib::*x_set_avail_in)(U_I x); 00110 U_I (wrapperlib::*x_get_avail_in)() const; 00111 U_64 (wrapperlib::*x_get_total_in)() const; 00112 00113 void (wrapperlib::*x_set_next_out)(char *x); 00114 char *(wrapperlib::*x_get_next_out)() const; 00115 void (wrapperlib::*x_set_avail_out)(U_I x); 00116 U_I (wrapperlib::*x_get_avail_out)() const; 00117 U_64 (wrapperlib::*x_get_total_out)() const; 00118 00119 S_I (wrapperlib::*x_compressInit)(U_I compression_level); 00120 S_I (wrapperlib::*x_decompressInit)(); 00121 S_I (wrapperlib::*x_compressEnd)(); 00122 S_I (wrapperlib::*x_decompressEnd)(); 00123 S_I (wrapperlib::*x_compress)(S_I flag); 00124 S_I (wrapperlib::*x_decompress)(S_I flag); 00125 00126 00127 // set of routines for zlib 00128 #if LIBZ_AVAILABLE 00129 S_I z_compressInit(U_I compression_level); 00130 S_I z_decompressInit(); 00131 S_I z_compressEnd(); 00132 S_I z_decompressEnd(); 00133 S_I z_compress(S_I flag); 00134 S_I z_decompress(S_I flag); 00135 void z_set_next_in(const char *x); 00136 void z_set_avail_in(U_I x); 00137 U_I z_get_avail_in() const; 00138 U_64 z_get_total_in() const; 00139 void z_set_next_out(char *x); 00140 char *z_get_next_out() const; 00141 void z_set_avail_out(U_I x); 00142 U_I z_get_avail_out() const; 00143 U_64 z_get_total_out() const; 00144 #endif 00145 00146 // set of routines for bzlib 00147 #if LIBBZ2_AVAILABLE 00148 S_I bz_compressInit(U_I compression_level); 00149 S_I bz_decompressInit(); 00150 S_I bz_compressEnd(); 00151 S_I bz_decompressEnd(); 00152 S_I bz_compress(S_I flag); 00153 S_I bz_decompress(S_I flag); 00154 void bz_set_next_in(const char *x); 00155 void bz_set_avail_in(U_I x); 00156 U_I bz_get_avail_in() const; 00157 U_64 bz_get_total_in() const; 00158 void bz_set_next_out(char *x); 00159 char *bz_get_next_out() const; 00160 void bz_set_avail_out(U_I x); 00161 U_I bz_get_avail_out() const; 00162 U_64 bz_get_total_out() const; 00163 #endif 00164 }; 00165 00166 } // end of namespace 00167 00168 #endif