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

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);
+}

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
+

calendar/calendar.c

@@ -0,0 +1,116 @@
+/*
+ * Calendar manager object
+ *
+ * This keeps track of a given calendar.  Eventually this will abtract everything
+ * related to getting calendars/saving calendars locally or to a remote Calendar Service
+ *
+ * Copyright (C) 1998 the Free Software Foundation
+ *
+ * Authors:
+ *   Miguel de Icaza (miguel@gnu.org)
+ *   Federico Mena (federico@gimp.org)
+ *
+ */
+#include "calobj.h"
+#include "calendar.h"
+
+Calendar *
+calendar_new (char *title)
+{
+	Calendar *cal;
+
+	cal = g_new0 (Calendar, 1);
+	cal->title = g_strdup (title);
+
+	return cal;
+}
+
+void
+calendar_add_object (Calendar *cal, iCalObject *obj)
+{
+	switch (obj->type){
+	case ICAL_EVENT:
+		cal->events = g_list_prepend (cal->events, obj);
+		break;
+
+	case ICAL_TODO:
+		cal->todo = g_list_prepend (cal->todo, obj);
+		break;
+
+	case ICAL_JOURNAL:
+		cal->journal = g_list_prepend (cal->journal, obj);
+		break;
+	default:
+		g_assert_not_reached ();
+	}
+}
+
+void
+calendar_remove_object (Calendar *cal, iCalObject *obj)
+{
+	switch (obj->type){
+	case ICAL_EVENT:
+		cal->events = g_list_remove (cal->events, obj);
+		break;
+
+	case ICAL_TODO:
+		cal->todo = g_list_remove (cal->todo, obj);
+		break;
+
+	case ICAL_JOURNAL:
+		cal->journal = g_list_remove (cal->journal, obj);
+		break;
+	default:
+		g_assert_not_reached ();
+	}
+}
+
+void
+calendar_destroy (Calendar *cal)
+{
+	g_list_foreach (cal->events, ical_object_destroy, NULL);
+	g_list_free (cal->events);
+	
+	g_list_foreach (cal->todo, ical_object_destroy, NULL);
+	g_list_free (cal->todo);
+	
+	g_list_foreach (cal->journal, ical_object_destroy, NULL);
+	g_list_free (cal->journal);
+
+	if (cal->title)
+		g_free (cal->title);
+	if (cal->filename)
+		g_free (cal->filename);
+	
+	g_free (cal);
+}
+
+static GList *
+calendar_get_objects_in_range (GList *objects, time_t start, time_t end)
+{
+	GList *new_events = 0;
+
+	for (; objects; objects = objects->next){
+		iCalObject *object = objects->data;
+		
+		if ((start <= object->dtstart) && (end >= object->dtend))
+			new_events = g_list_prepend (new_events, object);
+	}
+}
+
+GList *
+calendar_get_events_in_range (Calendar *cal, time_t start, time_t end)
+{
+	calendar_get_objects_in_range (cal->events, start, end);
+}
+
+GList *
+calendar_get_todo_in_range (Calendar *cal, time_t start, time_t end)
+{
+	calendar_get_objects_in_range (cal->todo, start, end);
+}
+GList *
+calendar_get_journal_in_range (Calendar *cal, time_t start, time_t end)
+{
+	calendar_get_objects_in_range (cal->journal, start, end);
+}

calendar/calendar.h

@@ -0,0 +1,25 @@
+#ifndef CALOBJ_H
+#define CALOBJ_H
+
+BEGIN_GNOME_DECLS
+
+typedef struct {
+	char    *title;
+	char    *filename;
+	GList  	*events;
+	GList  	*todo;
+	GList  	*journal;
+} Calendar;
+
+Calendar *calendar_new      (char *title);
+void calendar_add_object    (Calendar *cal, iCalObject *obj);
+void calendar_remove_object (Calendar *cal, iCalObject *obj);
+void calendar_destroy       (Calendar *cal);
+
+GList *calendar_get_events_in_range  (Calendar *cal, time_t start, time_t end);
+GList *calendar_get_todo_in_range    (Calendar *cal, time_t start, time_t end);
+GList *calendar_get_journal_in_range (Calendar *cal, time_t start, time_t end);
+
+END_GNOME_DECLS
+
+#endif

calendar/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);
+}

calendar/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
+

calendar/gui/calendar.c

@@ -0,0 +1,116 @@
+/*
+ * Calendar manager object
+ *
+ * This keeps track of a given calendar.  Eventually this will abtract everything
+ * related to getting calendars/saving calendars locally or to a remote Calendar Service
+ *
+ * Copyright (C) 1998 the Free Software Foundation
+ *
+ * Authors:
+ *   Miguel de Icaza (miguel@gnu.org)
+ *   Federico Mena (federico@gimp.org)
+ *
+ */
+#include "calobj.h"
+#include "calendar.h"
+
+Calendar *
+calendar_new (char *title)
+{
+	Calendar *cal;
+
+	cal = g_new0 (Calendar, 1);
+	cal->title = g_strdup (title);
+
+	return cal;
+}
+
+void
+calendar_add_object (Calendar *cal, iCalObject *obj)
+{
+	switch (obj->type){
+	case ICAL_EVENT:
+		cal->events = g_list_prepend (cal->events, obj);
+		break;
+
+	case ICAL_TODO:
+		cal->todo = g_list_prepend (cal->todo, obj);
+		break;
+
+	case ICAL_JOURNAL:
+		cal->journal = g_list_prepend (cal->journal, obj);
+		break;
+	default:
+		g_assert_not_reached ();
+	}
+}
+
+void
+calendar_remove_object (Calendar *cal, iCalObject *obj)
+{
+	switch (obj->type){
+	case ICAL_EVENT:
+		cal->events = g_list_remove (cal->events, obj);
+		break;
+
+	case ICAL_TODO:
+		cal->todo = g_list_remove (cal->todo, obj);
+		break;
+
+	case ICAL_JOURNAL:
+		cal->journal = g_list_remove (cal->journal, obj);
+		break;
+	default:
+		g_assert_not_reached ();
+	}
+}
+
+void
+calendar_destroy (Calendar *cal)
+{
+	g_list_foreach (cal->events, ical_object_destroy, NULL);
+	g_list_free (cal->events);
+	
+	g_list_foreach (cal->todo, ical_object_destroy, NULL);
+	g_list_free (cal->todo);
+	
+	g_list_foreach (cal->journal, ical_object_destroy, NULL);
+	g_list_free (cal->journal);
+
+	if (cal->title)
+		g_free (cal->title);
+	if (cal->filename)
+		g_free (cal->filename);
+	
+	g_free (cal);
+}
+
+static GList *
+calendar_get_objects_in_range (GList *objects, time_t start, time_t end)
+{
+	GList *new_events = 0;
+
+	for (; objects; objects = objects->next){
+		iCalObject *object = objects->data;
+		
+		if ((start <= object->dtstart) && (end >= object->dtend))
+			new_events = g_list_prepend (new_events, object);
+	}
+}
+
+GList *
+calendar_get_events_in_range (Calendar *cal, time_t start, time_t end)
+{
+	calendar_get_objects_in_range (cal->events, start, end);
+}
+
+GList *
+calendar_get_todo_in_range (Calendar *cal, time_t start, time_t end)
+{
+	calendar_get_objects_in_range (cal->todo, start, end);
+}
+GList *
+calendar_get_journal_in_range (Calendar *cal, time_t start, time_t end)
+{
+	calendar_get_objects_in_range (cal->journal, start, end);
+}

calendar/gui/calendar.h

@@ -0,0 +1,25 @@
+#ifndef CALOBJ_H
+#define CALOBJ_H
+
+BEGIN_GNOME_DECLS
+
+typedef struct {
+	char    *title;
+	char    *filename;
+	GList  	*events;
+	GList  	*todo;
+	GList  	*journal;
+} Calendar;
+
+Calendar *calendar_new      (char *title);
+void calendar_add_object    (Calendar *cal, iCalObject *obj);
+void calendar_remove_object (Calendar *cal, iCalObject *obj);
+void calendar_destroy       (Calendar *cal);
+
+GList *calendar_get_events_in_range  (Calendar *cal, time_t start, time_t end);
+GList *calendar_get_todo_in_range    (Calendar *cal, time_t start, time_t end);
+GList *calendar_get_journal_in_range (Calendar *cal, time_t start, time_t end);
+
+END_GNOME_DECLS
+
+#endif

calendar/gui/icalendar-types

@@ -0,0 +1,39 @@
+evento			 todo	      journal	   fbrequest	    fbreply  busytime  timezone
+	attach		 attach	      attach
+	attendee	 attendee     attendee	   attendee	    attendee attendee
+	categories	 categories   categories
+	class		 class	      class
+	comment		 comment      comment	   comment	    comment  comment   comment
+			 completed
+	contact		 contact      contact
+	created		 created      created			    created
+	description	 description  description
+			 dtstamp      dtstamp
+	dtend/duration	 due->dtend		   dtend [duration] dtend    dtend
+	dtstart		 dtstart      dtstart	   dtstart	    dtstart  dtstart   dtstart
+	exdate		 exdate	      exdate
+	exrule		 exrule	      exrule
+	geo		 geo
+	last-mod	 last-mod     last-mod	   last-mod	    last-mod
+	location	 location
+	organizer	 organizer    organizer
+			 percent
+	priority	 priority
+	rstatus		 rstatus      rstatus			    rstatus
+	related		 related      related
+	resources	 resources
+	rdate		 rdate	      rdate					       [rdate/rrule]
+	rrule		 rrule	      rrule
+	dtstamp					   dtstamp	    dtstamp  dtstamp
+	seq		 seq	      seq	   seq		    seq
+	status		 status
+	summary		 summary      summary
+	transp
+	uid		 uid	      uid	   uid		    uid
+	url		 url	      url			    url	     url
+	recurid		 recurid      recurid
+								    freebusy freebusy
+										       tzname
+										       tzoffset-to
+										       tzoffset-from
+

calendar/icalendar-types

@@ -0,0 +1,39 @@
+evento			 todo	      journal	   fbrequest	    fbreply  busytime  timezone
+	attach		 attach	      attach
+	attendee	 attendee     attendee	   attendee	    attendee attendee
+	categories	 categories   categories
+	class		 class	      class
+	comment		 comment      comment	   comment	    comment  comment   comment
+			 completed
+	contact		 contact      contact
+	created		 created      created			    created
+	description	 description  description
+			 dtstamp      dtstamp
+	dtend/duration	 due->dtend		   dtend [duration] dtend    dtend
+	dtstart		 dtstart      dtstart	   dtstart	    dtstart  dtstart   dtstart
+	exdate		 exdate	      exdate
+	exrule		 exrule	      exrule
+	geo		 geo
+	last-mod	 last-mod     last-mod	   last-mod	    last-mod
+	location	 location
+	organizer	 organizer    organizer
+			 percent
+	priority	 priority
+	rstatus		 rstatus      rstatus			    rstatus
+	related		 related      related
+	resources	 resources
+	rdate		 rdate	      rdate					       [rdate/rrule]
+	rrule		 rrule	      rrule
+	dtstamp					   dtstamp	    dtstamp  dtstamp
+	seq		 seq	      seq	   seq		    seq
+	status		 status
+	summary		 summary      summary
+	transp
+	uid		 uid	      uid	   uid		    uid
+	url		 url	      url			    url	     url
+	recurid		 recurid      recurid
+								    freebusy freebusy
+										       tzname
+										       tzoffset-to
+										       tzoffset-from
+

calendar/pcs/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);
+}

calendar/pcs/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
+