tools/btranslate.cc

   1 /*
   2     Copyright (C) 2005-2013, Net Direct Inc. (http://www.netdirect.ca/)
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13     See the GNU General Public License in the COPYING file at the
  14     root directory of this project for more details.
  15 */
  16
  17 #include <iostream>
  18 #include <iomanip>
  19 #include <sstream>
  20 #include <string.h>
  21 #include <stdlib.h>
  22 #include <limits.h>
  23 #include "i18n.h"
  24
  25 using namespace std;
  26
  27 bool IsHexData(const char *str)
  28 {
  29         for( int i = 0; i < 4 && *str; str++, i++ )
  30                 if( *str != ' ' )
  31                         return false;
  32
  33         for( int i = 0; i < 8 && *str; str++, i++ )
  34                 if( !isdigit(*str) && !(*str >= 'a' && *str <= 'f') )
  35                         return false;
  36
  37         if( *str != ':' )
  38                 return false;
  39
  40         return true;
  41 }
  42
  43 void PrintHex(const char *str)
  44 {
  45         cout << setiosflags(ios::left) << setw(14 + 16 * 3 + 1) << str;
  46         cout << setw(0);
  47         str += 14;
  48         char *endpos = (char*) str;
  49         while( *endpos ) {
  50                 long c = strtol(str, &endpos, 16);
  51                 if( c == LONG_MIN || c == LONG_MAX )
  52                         break;
  53                 if( isprint(c) )
  54                         cout << (char)c;
  55                 else
  56                         cout << '.';
  57                 str = endpos;
  58         }
  59         cout << '\n';
  60 }
  61
  62 int main()
  63 {
  64         INIT_I18N(PACKAGE);
  65
  66         cout.sync_with_stdio(false);
  67
  68         while( cin ) {
  69                 char buff[1024];
  70                 cin.getline(buff, sizeof(buff));
  71                 if( IsHexData(buff) ) {
  72                         // strip whitespace
  73                         size_t sln = strlen(buff);
  74                         while( sln && (buff[sln] == 0 || isspace(buff[sln])) ){
  75                                 buff[sln--] = 0;
  76                         }
  77                         PrintHex(buff);
  78                 }
  79                 else {
  80                         cout << buff << "\n";
  81                 }
  82
  83                 if( cin.fail() && !cin.eof() ) {
  84                         // getline busted its buffer... discard the
  85                         // rest of the line.
  86                         while( cin.fail() && !cin.eof() ) {
  87                                 cin.clear();
  88                                 cin.getline(buff, sizeof(buff));
  89                         }
  90                 }
  91         }
  92 }
  93