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/*                         LEXICAL ANALYSOR (MAINLY FOR CONFIG FILES)
                                             
 */


#ifndef HTLEX_H
#define HTLEX_H

#include "HTUtils.h"


#ifdef SHORT_NAMES
#define lex_verb        lex_verbose
#endif /*SHORT_NAMES*/


typedef enum {
    LEX_NONE,           /* Internally used      */
    LEX_EOF,            /* End of file          */
    LEX_REC_SEP,        /* Record separator     */
    LEX_FIELD_SEP,      /* Field separator      */
    LEX_ITEM_SEP,       /* List item separator  */
    LEX_OPEN_PAREN,     /* Group start tag      */
    LEX_CLOSE_PAREN,    /* Group end tag        */
    LEX_AT_SIGN,        /* Address qualifier    */
    LEX_ALPH_STR,       /* Alphanumeric string  */
    LEX_TMPL_STR        /* Template string      */
} LexItem;

extern char lex_buffer[];       /* Read lexical string          */
extern int lex_line;            /* Line number in source file   */

/*

Get Next Lexical Item

   If returns LEX_ALPH_STR or LEX_TMPL_STR the string is in global buffer lex_buffer.
   
 */


PUBLIC LexItem lex PARAMS((FILE * fp));
/*

Push Back Latest Item

 */


PUBLIC void unlex PARAMS((LexItem lex_item));
/*

Get the Name for Lexical Item

 */


PUBLIC char *lex_verbose PARAMS((LexItem lex_item));
/*

 */


#endif /* not HTLEX_H */
/*

   End of file HTLex.h.  */