src/translate.cc

   1 /*
   2     Copyright (C) 2005-2006, 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 /*
  42         ios::fmtflags flags = cout.setf(ios::right);
  43         streamsize width = cout.width(14 + 16 * 3 + 1);
  44         cout.flags(flags);
  45         cout.width(width);
  46 */
  47
  48         cout << setiosflags(ios::left) << setw(14 + 16 * 3 + 1) << str;
  49         cout << setw(0);
  50         str += 14;
  51         char *endpos = (char*) str;
  52         while( *endpos ) {
  53                 int c = (int) strtol(str, &endpos, 16);
  54                 if( c == LONG_MIN || c == LONG_MAX )
  55                         break;
  56                 if( isprint(c) )
  57                         cout << (char)c;
  58                 else
  59                         cout << '.';
  60                 str = endpos;
  61         }
  62         cout << '\n';
  63
  64 /*
  65         cout << str << ' ';
  66         istringstream iss(str+14);
  67         iss.setf(ios::hex);
  68         cout.setf(ios::hex);
  69         cout.width(2);
  70         cout.fill('0');
  71         while( iss ) {
  72                 unsigned int val;
  73                 iss >> val;
  74                 cout << val << ' ';
  75         }
  76         cout << '\n';
  77 */
  78 }
  79
  80 int main()
  81 {
  82         cout.sync_with_stdio(false);
  83
  84         while( cin ) {
  85                 char buff[1024];
  86                 cin.getline(buff, sizeof(buff));
  87                 if( IsHexData(buff) ) {
  88                         // strip whitespace
  89                         int sln = strlen(buff);
  90                         while( sln && (buff[sln] == 0 || isspace(buff[sln])) ){
  91                                 buff[sln--] = 0;
  92                         }
  93                         PrintHex(buff);
  94                 }
  95                 else {
  96                         cout << buff << "\n";
  97                 }
  98
  99                 if( cin.fail() && !cin.eof() ) {
 100                         // getline busted its buffer... discard the
 101                         // rest of the line.
 102                         while( cin.fail() && !cin.eof() ) {
 103                                 cin.clear();
 104                                 cin.getline(buff, sizeof(buff));
 105                         }
 106                 }
 107         }
 108 }
 109