silentbob/silentbob-1.1/src/sblib/sstrend.cpp

   1 /*
   2  * (c) Oleg Puchinin 2006
   3  * graycardinalster@gmail.com
   4  *
   5  */
   6
   7 char * sstrend (char * d_ptr)
   8 {
   9         bool t_instring = false;
  10         int d_slash_count;
  11         char ch_last;
  12         char *d_old;
  13         unsigned limit = 1024;
  14
  15         if (! d_ptr)
  16                 return (char *) 0;
  17
  18         if (!(*d_ptr))
  19                 return (char *) 0;
  20
  21         ch_last = *d_ptr;
  22         d_old = d_ptr;
  23         limit--;
  24         while (*d_ptr && (limit > 0)) {
  25                 if (*d_ptr == '\'' || *d_ptr == '\"') {
  26                         if (t_instring && *d_ptr != ch_last) {
  27                                 d_ptr++;
  28                                 continue; // Mmm...
  29                         }
  30
  31                         if (t_instring) {
  32                                 if (d_ptr[-1] == '\\') {
  33                                         d_slash_count = 1;
  34                                         while (d_ptr [-(d_slash_count)] == '\\')
  35                                                         d_slash_count++;
  36
  37                                         if (d_slash_count & 1)
  38                                                 t_instring = false;
  39                                 } else {
  40                                         d_ptr++;
  41                                         t_instring = false;
  42                                         continue;
  43                                 }
  44                         } else {
  45                                 ch_last = *d_ptr;
  46                                 t_instring = true;
  47                         }
  48                 }
  49
  50                 if (t_instring) {
  51                         d_ptr++;
  52                         continue;
  53                 } else
  54                         break;
  55         }
  56
  57         d_ptr --;
  58
  59         if (*d_ptr == 0)
  60                 return 0;
  61
  62         return d_ptr;
  63 }
  64
  65