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/*************************************************************** 
File: SCANNER.H               Copyright 1992 by Dlugosz Software 
part of the CMDL package for command-line parsing 
the scanner class, used as part of parsing the strings. 
This version may be used freely, with attribution. 
***************************************************************/ 
 
class cmdlscan { 
   const char* source;  //name of where this came from (for error reports) 
   cmdlscan* link;      //previous string 
   char* s;     //the string being scanned 
   int cursor;  //the current scan position 
public: 
   cmdlscan (char* s); 
   int mark() { return cursor; }; 
   void restore (int x) { cursor= x; }; 
   void skipws();  //skip whitespace 
   void extract_word (char* buf, int len); 
   void operator++ () { cursor++; } 
   char thischar() { return s[cursor]; } 
   char* extract_string(); 
   };