/*                         LEXICAL ANALYSOR (MAINLY FOR CONFIG FILES)

 */

#ifndef HTLEX_H

#define HTLEX_H

#ifndef HTUTILS_H

#include <HTUtils.h>

#endif

#ifdef __cplusplus

extern "C" {

#endif

    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 HTlex_buffer[];	/* Read lexical string          */

    extern int HTlex_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.

 */

    extern LexItem lex(FILE *fp);

/*

Push Back Latest Item

 */

    extern void unlex(LexItem lex_item);

/*

Get the Name for Lexical Item

 */

    extern const char *lex_verbose(LexItem lex_item);

/*

 */

#ifdef __cplusplus

}

#endif

#endif				/* not HTLEX_H */