Calendar objects as defined by the iCalendar IETF draft. Calendar holder

Calendar objects as defined by the iCalendar IETF draft.
Calendar holder for Calendar Objects.

-mig&fed

svn path=/trunk/; revision=79

2 files changed, 148 insertions, 0 deletions

diff --git a/calendar/cal-util/calobj.c b/calendar/cal-util/calobj.c
new file mode 100644
index 0000000000..87dd8db78d
--- /dev/null
+++ b/calendar/cal-util/calobj.c
@@ -0,0 +1,48 @@
+/*
+ * Calendar objects implementations.
+ * Copyright (C) 1998 the Free Software Foundation
+ *
+ * Authors:
+ *   Miguel de Icaza (miguel@gnu.org)
+ *   Federico Mena (federico@gimp.org)
+ */
+#include "calobj.h"
+
+iCalObject *
+ical_object_new (void)
+{
+	iCalObject *ico;
+
+	ico = g_new0 (iCalObject);
+	
+	ico->seq = -1;
+	ico->dtstamp = time (NULL);
+
+	return ico;
+}
+
+iCalObject *
+ical_new (char *comment, char *organizer, char *summary)
+{
+	iCalObject *ico;
+
+	ico = ical_object_new ();
+
+	ico->comment   = g_strdup (comment);
+	ico->organizer = g_strdup (organizer);
+	ico->summary   = g_strdup (summary);
+
+	return ico;
+}
+
+#define free_if_defined(x) if (x){ g_free (x); x = 0; }
+
+void
+ical_object_destroy (iCalObject *ico)
+{
+	free_if_defined (ico->comment);
+	free_if_defined (ico->organizer);
+	free_if_defined (ico->summary);
+	
+	g_free (ico);
+}
diff --git a/calendar/cal-util/calobj.h b/calendar/cal-util/calobj.h
new file mode 100644
index 0000000000..fda3a1e4b5
--- /dev/null
+++ b/calendar/cal-util/calobj.h
@@ -0,0 +1,100 @@
+/*
+ * Internal representation of a Calendar object.  This is modeled after the
+ * iCalendar/vCalendar specificiation
+ *
+ * Authors: Miguel de Icaza (miguel@gnu.org), Federico Mena (federico@gimp.org).
+ */
+#ifndef CALOBJ_H
+#define CALOBJ_H
+
+BEGIN_GNOME_DECLS
+
+typedef struct {
+	char      *alarm_audio_file;
+	char      *alarm_script;
+	char      *alarm_email;
+	char      *alarm_text;	/* Text to be displayed */
+} CalendarAlarm;
+
+/* Calendar object type */
+typedef enum {
+	ICAL_EVENT,
+	ICAL_TODO,
+	ICAL_JOURNAL,
+	ICAL_FBREQUEST,
+	ICAL_FBREPLY,
+	ICAL_BUSYTIME,
+	ICAL_TIMEZONE
+} iCalType;
+
+/* For keys that might contain binary or text/binary */
+typedef struct {
+	char *data;
+	int  len;
+} iCalValue;
+
+typedef struct {
+	int     valid;		/* true if the Geography was specified */
+	double  latitude;
+	double  longitude;
+} iCalGeo;
+
+typedef enum {
+	ICAL_OPAQUE,
+	ICAL_TRANSPARENT
+};
+
+typedef char NotYet;
+
+/*
+ * This describes an iCalendar object, note that we never store durations, instead we
+ * always compute the end time computed from the start + duration.
+ */
+typedef struct {
+	iCalType      type;
+
+	GList         *attach;		/* type: one or more URIs or binary data */
+	GList         *attendee; 	/* type: CAL-ADDRESS */
+	GList         *categories; 	/* type: one or more TEXT */
+	char          *class;
+
+	char          *comment;		/* we collapse one or more TEXTs into one */
+	time_t        completed;
+	time_t        created;
+	GList         *contact;		/* type: one or more TEXT */
+	char          *description;
+	time_t        dtstamp;
+	time_t        dtstart;
+	time_t        dtend;
+	GList         *exdate;		/* type: one or more time_t's */
+	GList         *exrule;		/* type: one or more RECUR */
+	iCalGeo       geo;
+	time_t        last_mod;
+	char          *location;
+	char          *organizer;
+	int           percent;
+	int           priority;
+	char          *rstatus;	        /* request status for freebusy */
+	GList         *related;		/* type: one or more TEXT */
+	GList         *resources;	/* type: one or more TEXT */
+	GList         *rdate;		/* type: one or more recurrence date */
+	GList         *rrule;		/* type: one or more recurrence rules */
+	int           seq;
+	char          *status;
+	char          *summary;
+	iCalTransp    transp;
+	char          *uid;
+	char          *url;
+	time_t        recurid;
+
+	/* VALARM objects are always inside another object, never alone */
+	CalendarAlarm *alarm;
+} iCalObject;
+
+iCalObject *ical_new (char *comment, char *organizer, char *summary);
+iCalObject *ical_object_new (void);
+
+END_GNOME_DECLS
+
+#endif
+