The task: to Convert a string

Taras Slobodyanik:
one feature from this project helped.string Unescape(string a)
     {
      ushort as[], s[]; int n=StringToShortArray(a, as); if(ArrayResize(s, n)!=n) return NULL;
      int j=0,i=0;
      while(iushort c=as[i];
         if(c=='' && i1)
           {
            switch(as[i+1])
              {
               case '': c=''; i++; break;
               case '"': c='"'; i++; break;
               case '/': c='/'; i++; break;
               case 'b': c=8; /*08=' '*/; i++; break;
               case 'f': c=12;/*0c=�*/ i++; break;
               case 'n': c='
'; i++; break;
               case 'r': c='
'; i++; break;
               case 't': c=' '; i++; break;
               case 'u': // \uXXXX
                 {
                  i+=2; ushort k=0;
                  for(int jj=0; jj<4 && ias[i]; ushort h=0;
                     if(c>='0' && c<='9') h=c-'0';
                     else if(c>='A' && c<='F') h=c-'A'+10;
                     else if(c>='a' && c<='f') h=c-'a'+10;
                     else break; / / not hex
                     k+=h*(ushort)pow(16,(3-jj));
                    }
                  i--;
                  c=k;
                  break;
                 }
              }
           }
         s[j]=c; j++; i++;
        }
      a=ShortArrayToString(s,0,j);
      return a;
     }