#ifndef _FG_STRX_HXX
#define _FG_STRX_HXX

#include <string>
#include <ctype.h>	/* toupper */

/////////////////////////////////////////////////////////
// Case insensitive comparison of strings

class LeSsThAn{
public:
  bool operator() (const std::string& a, const std::string& b) const {
    size_t a_len = a.length();
    size_t b_len = b.length();

    size_t lim = a_len < b_len ? a_len : b_len;

    for (size_t i=0; i<lim; ++i)
    {
	    char cha = toupper(a[i]);
	    char chb = toupper(b[i]);

	    if (cha < chb) return true;
	    if (cha > chb) return false;
    }
    // here if one is an extension of the other
    if ( a_len < b_len ) return true;
    return false; 
  }
};

#endif