StringBuffer buf = new StringBuffer(input);
int i = 0;
while (i < buf.length())
{
char ch = buf.charAt(i);
switch (ch)
{
case '\'":
buf.replace(i,i+1,"\\\'");
i += 1;
break;
case '\"":
buf.replace(i,i+1,"\\\"");
i += 1;
break;
case '=":
buf.replace(i,i+1,"\\=");
i += 1;
break;
case '-":
buf.replace(i,i+1,"\\-");
i += 1;
break;
case '/":
buf.replace(i,i+1,"\\/");
i += 1;
break;
case '\\":
buf.replace(i,i+1,"\\\\");
i += 1;
break;
case ';":
buf.replace(i,i+1,"\\;");
i += 1;
break;
case '\r":
buf.replace(i,i+1,"\\r");
i += 1;
break;
case '\n":
buf.replace(i,i+1,"\\n");
i += 1;
break;
default:
}
i++;
}
return buf.toString();
