about summary refs log tree commit diff stats
path: root/WWW/Library/Implementation/HTLex.h
blob: c647b61fa337d2056590ccd7f018f6d3765a5760 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
/*                         LEXICAL ANALYSOR (MAINLY FOR CONFIG FILES)

 */

#ifndef HTLEX_H
#define HTLEX_H

#ifndef HTUTILS_H
#include <HTUtils.h>
#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);

/*

 */

#endif /* not HTLEX_H */