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#ifndef _UTIL_H
#define _UTIL_H

inline char * skip_ws(char * ptr) {
  while (*ptr == ' ' || *ptr == '\t' || *ptr == '\n')
    ptr++;
  return ptr;
}

inline char peek_next_nonws(std::istream& in) {
  char c = in.peek();
  while (! in.eof() && std::isspace(c)) {
    in.get(c);
    c = in.peek();
  }
  return c;
}

#define READ_INTO(str, targ, size, var, cond) {		\
  char * _p = targ;					\
  var = str.peek();					\
  while (! str.eof() && (cond) && _p - targ < size) {	\
    str.get(var);					\
    if (str.eof())					\
      break;						\
    if (var == '\\') {					\
      str.get(var);					\
      if (in.eof())					\
	break;						\
    }							\
    *_p++ = var;					\
    var = str.peek();					\
  }							\
  *_p = '\0';						\
}

#endif // _UTIL_H