icalendar_parser.h

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/*
 * Copyright (c) 2019 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
 
#ifndef ICAL_PARSER_H__
#define ICAL_PARSER_H__
 
#include <zephyr/kernel.h>
#include <zephyr/types.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
enum ical_parser_evt_id {
        ICAL_EVT_VEVENT,
        ICAL_EVT_VTODO,
        ICAL_EVT_VJOURNAL,
        ICAL_EVT_VTIMEZONE,
        ICAL_EVT_VFREEBUSY,
};
 
enum ical_parser_error_id {
        ICAL_ERROR_NONE,
        ICAL_ERROR_SUMMARY,
        ICAL_ERROR_LOCATION,
        ICAL_ERROR_DESCRIPTION,
        ICAL_ERROR_DTSTART,
        ICAL_ERROR_DTEND,
        ICAL_ERROR_COM_NOT_SUPPORTED,
};
 
struct ical_component {
        char summary[CONFIG_ICAL_PARSER_SUMMARY_SIZE + 1];
        char location[CONFIG_ICAL_PARSER_LOCATION_SIZE + 1];
        char description[CONFIG_ICAL_PARSER_DESCRIPTION_SIZE + 1];
        char dtstart[CONFIG_ICAL_PARSER_DTSTART_SIZE + 1];
        char dtend[CONFIG_ICAL_PARSER_DTEND_SIZE + 1];
};
 
struct ical_parser_evt {
        enum ical_parser_evt_id id;
        enum ical_parser_error_id error;
        struct ical_component ical_com;
};
 
typedef int (*icalendar_parser_callback_t)(
        const struct ical_parser_evt *event);
 
struct icalendar_parser {
        char buf[CONFIG_ICAL_PARSER_BUFFER_SIZE + 1];
        size_t offset;
        bool icalobject_begin;
        icalendar_parser_callback_t callback;
};
 
int ical_parser_init(struct icalendar_parser *ical,
                     icalendar_parser_callback_t callback);
 
size_t ical_parser_parse(struct icalendar_parser *ical,
                        const char *data, size_t len);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ICAL_PARSER_H__ */