tical.h - ics2txt - convert icalendar .ics file to plain text
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       ---
       tical.h (1806B)
       ---
            1 #ifndef ICAL_H
            2 #define ICAL_H
            3 
            4 #include <stdio.h>
            5 #include <time.h>
            6 
            7 #include "map.h"
            8 
            9 #define ICAL_NESTED_MAX 4
           10 
           11 enum ical_err {
           12         ICAL_ERR_OK,
           13         ICAL_ERR_SYSTEM,
           14         ICAL_ERR_END_MISMATCH,
           15         ICAL_ERR_MISSING_BEGIN,
           16         ICAL_ERR_MISSING_COLUMN,
           17         ICAL_ERR_MISSING_SEMICOLUMN,
           18         ICAL_ERR_MISSING_EQUAL,
           19         ICAL_ERR_MIN_NESTED,
           20         ICAL_ERR_MAX_NESTED,
           21 
           22         ICAL_ERR_LENGTH,
           23 };
           24 
           25 /* global propoerties for an iCalendar document as well as parsing state */
           26 
           27 struct ical_vcalendar {
           28         time_t tzid;
           29         struct ical_vnode *root;
           30         struct ical_vnode *nested[ICAL_NESTED_MAX + 1];
           31         struct ical_vnode *current;
           32 };
           33 
           34 /* element part of an iCalendar document with eventual nested childs */
           35 
           36 struct ical_vnode {
           37         char name[32];
           38         struct map values; /*(struct ical_value *)*/
           39         struct map childs; /*(struct ical_vnode *)*/
           40         struct ical_vnode *next;
           41 };
           42 
           43 /* one line whith the whole content unfolded */
           44 
           45 struct ical_value {
           46         char *name, *value;
           47         struct map param;
           48         struct ical_value *next;
           49         char buf[];
           50 };
           51 
           52 /** src/ical.c **/
           53 int ical_getline(char **line, char **ln, size_t *sz, FILE *fp);
           54 char * ical_strerror(int i);
           55 struct ical_value * ical_new_value(char const *line);
           56 void ical_free_value(struct ical_value *value);
           57 int ical_parse_value(struct ical_value *value);
           58 struct ical_vnode * ical_new_vnode(char const *name);
           59 void ical_free_vnode(struct ical_vnode *node);
           60 int ical_push_nested(struct ical_vcalendar *vcal, struct ical_vnode *new);
           61 struct ical_vnode * ical_pop_nested(struct ical_vcalendar *vcal);
           62 int ical_begin_vnode(struct ical_vcalendar *vcal, char const *name);
           63 int ical_end_vnode(struct ical_vcalendar *vcal, char const *name);
           64 int ical_push_value(struct ical_vcalendar *vcal, struct ical_value *new);
           65 void ical_free_vcalendar(struct ical_vcalendar *vcal);
           66 int ical_read_vcalendar(struct ical_vcalendar *vcal, FILE *fp);
           67 
           68 #endif