#ifndef _UTIL_H
#define _UTIL_H

#include <iostream>

#if defined __FreeBSD__ && __FreeBSD__ <=4
// FreeBSD has a broken isspace macro, so dont use it
#undef isspace(c)
#endif

#if defined(__GNUG__) && __GNUG__ < 3
namespace std {
  inline ostream & right (ostream & i) {
    i.setf(i.right, i.adjustfield);
    return i;
  }
  inline ostream & left (ostream & i) {
    i.setf(i.left, i.adjustfield);
    return i;
  }
}
typedef unsigned long istream_pos_type;
typedef unsigned long ostream_pos_type;
#else
typedef std::istream::pos_type istream_pos_type;
typedef std::ostream::pos_type ostream_pos_type;
#endif

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() && var != '\n' && (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';								\
}

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

std::string resolve_path(const std::string& path);

#ifdef HAVE_REALPATH
extern "C" char *realpath(const char *, char resolved_path[]);
#endif

enum elision_style_t {
  TRUNCATE_TRAILING,
  TRUNCATE_MIDDLE,
  TRUNCATE_LEADING,
  ABBREVIATE
};

std::string abbreviate(const std::string& str, unsigned int width,
		       elision_style_t elision_style = TRUNCATE_TRAILING,
		       const bool is_account = false, int abbrev_length = 2);

#endif // _UTIL_H