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	ical.h - ics2txt - convert icalendar .ics file to plain text
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	---
	ical.h (1170B)
	---
	1 #ifndef ICAL_H
	2 #define ICAL_H
	3
	4 #include <stdio.h>
	5 #include <time.h>
	6
	7 #define ICAL_STACK_SIZE 10
	8
	9 typedef enum {
	10 ICAL_BLOCK_VEVENT,
	11 ICAL_BLOCK_VTODO,
	12 ICAL_BLOCK_VJOURNAL,
	13 ICAL_BLOCK_VFREEBUSY,
	14 ICAL_BLOCK_VALARM,
	15 ICAL_BLOCK_OTHER,
	16 } IcalBlock;
	17
	18 typedef struct {
	19 char name[32];
	20 char tzid[32];
	21 } IcalStack;
	22
	23 typedef struct IcalParser IcalParser;
	24 struct IcalParser {
	25 /* function called while parsing in this order */
	26 int (fn_field_name)(IcalParser , char *);
	27 int (fn_param_name)(IcalParser , char *);
	28 int (fn_param_value)(IcalParser , char , char );
	29 int (fn_field_value)(IcalParser , char , char );
	30 int (fn_block_begin)(IcalParser , char *);
	31 int (fn_block_end)(IcalParser , char *);
	32 /* if returning non-zero then halt the parser */
	33
	34 int base64;
	35 char *errmsg;
	36 size_t linenum;
	37 char *tzid;
	38 IcalBlock blocktype;
	39 IcalStack stack[ICAL_STACK_SIZE], *current;
	40 };
	41
	42 extern char *ical_block_name[ICAL_BLOCK_OTHER + 1];
	43
	44 int ical_parse(IcalParser , FILE );
	45 int ical_get_level(IcalParser *);
	46 int ical_get_time(IcalParser , char , time_t *);
	47 int ical_get_value(IcalParser , char , size_t *);
	48 int ical_err(IcalParser , char );
	49
	50 #endif