tools/btranslate.cc

   1 /*
   2     Copyright (C) 2005-2008, 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
  21 using namespace std;
  22
  23 bool IsHexData(const char *str)
  24 {
  25         for( int i = 0; i < 4 && *str; str++, i++ )
  26                 if( *str != ' ' )
  27                         return false;
  28
  29         for( int i = 0; i < 8 && *str; str++, i++ )
  30                 if( !isdigit(*str) && !(*str >= 'a' && *str <= 'f') )
  31                         return false;
  32
  33         if( *str != ':' )
  34                 return false;
  35
  36         return true;
  37 }
  38
  39 void PrintHex(const char *str)
  40 {
  41         cout << setiosflags(ios::left) << setw(14 + 16 * 3 + 1) << str;
  42         cout << setw(0);
  43         str += 14;
  44         char *endpos = (char*) str;
  45         while( *endpos ) {
  46                 long c = strtol(str, &endpos, 16);
  47                 if( c == LONG_MIN || c == LONG_MAX )
  48                         break;
  49                 if( isprint(c) )
  50                         cout << (char)c;
  51                 else
  52                         cout << '.';
  53                 str = endpos;
  54         }
  55         cout << '\n';
  56 }
  57
  58 int main()
  59 {
  60         cout.sync_with_stdio(false);
  61
  62         while( cin ) {
  63                 char buff[1024];
  64                 cin.getline(buff, sizeof(buff));
  65                 if( IsHexData(buff) ) {
  66                         // strip whitespace
  67                         size_t sln = strlen(buff);
  68                         while( sln && (buff[sln] == 0 || isspace(buff[sln])) ){
  69                                 buff[sln--] = 0;
  70                         }
  71                         PrintHex(buff);
  72                 }
  73                 else {
  74                         cout << buff << "\n";
  75                 }
  76
  77                 if( cin.fail() && !cin.eof() ) {
  78                         // getline busted its buffer... discard the
  79                         // rest of the line.
  80                         while( cin.fail() && !cin.eof() ) {
  81                                 cin.clear();
  82                                 cin.getline(buff, sizeof(buff));
  83                         }
  84                 }
  85         }
  86 }
  87