include/wipal/tool/si.hh

00001 /*
00002  * WiPal - A library and a set of tools to manipulate wireless traces.
00003  * Copyright (C) 2007  Universite Pierre et Marie Curie - Paris 6
00004  *
00005  * This program is free software; you can redistribute it and/or modify
00006  * it under the terms of the GNU General Public License as published by
00007  * the Free Software Foundation; either version 2 of the License, or
00008  * (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., 51 Franklin Street, Fifth Floor, Boston,
00018  * MA  02110-1301  USA
00019  *
00020  * Author: Thomas Claveirole <thomas.claveirole@lip6.fr>
00021  */
00022 #ifndef TOOL_SI_HH_
00023 # define TOOL_SI_HH_
00024 
00025 # include <cstdlib>
00026 # include <string>
00027 # include <ostream>
00028 
00029 namespace tool
00030 {
00031 
00033   namespace internals
00034   {
00035 
00050     template <size_t OneUnitInBits>
00051     struct SI_unit
00052     {
00054       SI_unit(size_t);
00055 
00057       template <size_t OneRHSUnitInBits>
00058       SI_unit(const SI_unit<OneRHSUnitInBits>&);
00059 
00061       size_t                    bits() const;
00062 
00064       size_t                    bytes() const;
00065 
00067       static std::string        abbrev();
00068 
00069     private:
00070       size_t    bits_;
00071 
00073       static const char*        abbrev_;
00074     };
00075 
00077     template <size_t OneUnitInBits>
00078     std::ostream&
00079     operator << (std::ostream&, const SI_unit<OneUnitInBits>&);
00080 
00081   } // End of namespace internals.
00082 
00084   typedef internals::SI_unit<1>         b;
00085 
00087   typedef internals::SI_unit<1000>      kb;
00088 
00090   typedef internals::SI_unit<1024>      Kib;
00091 
00093   typedef internals::SI_unit<1000000>   Mb;
00094 
00096   typedef internals::SI_unit<1048576>   Mib;
00097 
00098 
00100   typedef internals::SI_unit<8>         B;
00101 
00103   typedef internals::SI_unit<8000>      kB;
00104 
00106   typedef internals::SI_unit<8192>      KiB;
00107 
00109   typedef internals::SI_unit<8000000>   MB;
00110 
00112   typedef internals::SI_unit<8388608>   MiB;
00113 
00114 } // End of namespace tool.
00115 
00116 # include "si.hxx"
00117 
00118 #endif // ! TOOL_SI_HH_

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