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authorFederico Mena Quintero <federico@helixcode.com>2000-07-03 10:24:27 +0800
committerFederico Mena Quintero <federico@src.gnome.org>2000-07-03 10:24:27 +0800
commit9ec7ff026c599c7e28b22e1f5cb8cb73b62cde9d (patch)
treefd7368330fdac022a4b5e458acb7f7be40397269 /calendar
parent38ec332283a06e014f2b73161a8eaf03464549d3 (diff)
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Handle CATEGORIES. This can appear multiple times, so we maintain a list.
2000-07-02 Federico Mena Quintero <federico@helixcode.com> * cal-util/cal-component.c (scan_categories): Handle CATEGORIES. This can appear multiple times, so we maintain a list. We compress them later to a single property with multiple values. (cal_component_get_categories_list): Ditto. (cal_component_set_categories_list): Ditto. (cal_component_free_categories_list): Ditto. (free_icalcomponent): Properly free the mappings. svn path=/trunk/; revision=3868
Diffstat (limited to 'calendar')
-rw-r--r--calendar/ChangeLog10
-rw-r--r--calendar/cal-util/cal-component.c254
-rw-r--r--calendar/cal-util/cal-component.h4
3 files changed, 244 insertions, 24 deletions
diff --git a/calendar/ChangeLog b/calendar/ChangeLog
index 01f2a00ee4..7cfe4e7346 100644
--- a/calendar/ChangeLog
+++ b/calendar/ChangeLog
@@ -1,5 +1,15 @@
2000-07-02 Federico Mena Quintero <federico@helixcode.com>
+ * cal-util/cal-component.c (scan_categories): Handle CATEGORIES.
+ This can appear multiple times, so we maintain a list. We
+ compress them later to a single property with multiple values.
+ (cal_component_get_categories_list): Ditto.
+ (cal_component_set_categories_list): Ditto.
+ (cal_component_free_categories_list): Ditto.
+ (free_icalcomponent): Properly free the mappings.
+
+2000-07-02 Federico Mena Quintero <federico@helixcode.com>
+
* cal-util/cal-component.c (scan_datetime): Handle date/time and
timezone pairs.
(scan_property): Handle DTSTART and DTEND.
diff --git a/calendar/cal-util/cal-component.c b/calendar/cal-util/cal-component.c
index 16e0398b4b..de28aab956 100644
--- a/calendar/cal-util/cal-component.c
+++ b/calendar/cal-util/cal-component.c
@@ -35,10 +35,10 @@ typedef struct {
icalproperty *uid_prop;
- struct {
+ struct categories {
icalproperty *prop;
- icalparameter *altrep_param;
- } summary;
+ };
+ GSList *categories_list;
struct description {
icalproperty *prop;
@@ -54,6 +54,11 @@ typedef struct {
struct datetime dtstart;
struct datetime dtend;
struct datetime due;
+
+ struct {
+ icalproperty *prop;
+ icalparameter *altrep_param;
+ } summary;
} CalComponentPrivate;
@@ -123,6 +128,21 @@ cal_component_init (CalComponent *comp)
priv->uid_prop = cal_component_gen_uid ();
}
+/* Does a simple g_free() of the elements of a GSList and then frees the list
+ * itself. Returns NULL.
+ */
+static GSList *
+free_slist (GSList *slist)
+{
+ GSList *l;
+
+ for (l = slist; l; l = l->next)
+ g_free (l->data);
+
+ g_slist_free (slist);
+ return NULL;
+}
+
/* Frees the internal icalcomponent only if it does not have a parent. If it
* does, it means we don't own it and we shouldn't free it.
*/
@@ -136,12 +156,32 @@ free_icalcomponent (CalComponent *comp)
if (!priv->icalcomp)
return;
- /* FIXME: remove the mappings! */
+ /* Free the icalcomponent */
if (icalcomponent_get_parent (priv->icalcomp) != NULL)
icalcomponent_free (priv->icalcomp);
priv->icalcomp = NULL;
+
+ /* Free the mappings */
+
+ priv->uid_prop = NULL;
+
+ priv->categories_list = free_slist (priv->categories_list);
+
+ priv->description_list = free_slist (priv->description_list);
+
+ priv->dtstart.prop = NULL;
+ priv->dtstart.tzid_param = NULL;
+
+ priv->dtend.prop = NULL;
+ priv->dtend.tzid_param = NULL;
+
+ priv->due.prop = NULL;
+ priv->due.tzid_param = NULL;
+
+ priv->summary.prop = NULL;
+ priv->summary.altrep_param = NULL;
}
/* Destroy handler for the calendar component object */
@@ -220,33 +260,19 @@ cal_component_new (void)
return CAL_COMPONENT (gtk_type_new (CAL_COMPONENT_TYPE));
}
-/* Scans the summary property */
+/* Scans the categories property */
static void
-scan_summary (CalComponent *comp, icalproperty *prop)
+scan_categories (CalComponent *comp, icalproperty *prop)
{
CalComponentPrivate *priv;
- icalparameter *param;
+ struct categories *categ;
priv = comp->priv;
- priv->summary.prop = prop;
-
- for (param = icalproperty_get_first_parameter (prop, ICAL_ANY_PARAMETER);
- param;
- param = icalproperty_get_next_parameter (prop, ICAL_ANY_PARAMETER)) {
- icalparameter_kind kind;
-
- kind = icalparameter_isa (param);
-
- switch (kind) {
- case ICAL_ALTREP_PARAMETER:
- priv->summary.altrep_param = param;
- break;
+ categ = g_new (struct categories, 1);
+ categ->prop = prop;
- default:
- break;
- }
- }
+ priv->categories_list = g_slist_append (priv->categories_list, categ);
}
/* Scans the description property */
@@ -311,6 +337,35 @@ scan_datetime (CalComponent *comp, struct datetime *datetime, icalproperty *prop
}
}
+/* Scans the summary property */
+static void
+scan_summary (CalComponent *comp, icalproperty *prop)
+{
+ CalComponentPrivate *priv;
+ icalparameter *param;
+
+ priv = comp->priv;
+
+ priv->summary.prop = prop;
+
+ for (param = icalproperty_get_first_parameter (prop, ICAL_ANY_PARAMETER);
+ param;
+ param = icalproperty_get_next_parameter (prop, ICAL_ANY_PARAMETER)) {
+ icalparameter_kind kind;
+
+ kind = icalparameter_isa (param);
+
+ switch (kind) {
+ case ICAL_ALTREP_PARAMETER:
+ priv->summary.altrep_param = param;
+ break;
+
+ default:
+ break;
+ }
+ }
+}
+
/* Scans an icalproperty and adds its mapping to the component */
static void
scan_property (CalComponent *comp, icalproperty *prop)
@@ -323,6 +378,10 @@ scan_property (CalComponent *comp, icalproperty *prop)
kind = icalproperty_isa (prop);
switch (kind) {
+ case ICAL_CATEGORIES_PROPERTY:
+ scan_categories (comp, prop);
+ break;
+
case ICAL_DESCRIPTION_PROPERTY:
scan_description (comp, prop);
break;
@@ -1046,3 +1105,150 @@ cal_component_set_due (CalComponent *comp, CalComponentDateTime *dt)
icalproperty_set_due,
dt);
}
+
+/**
+ * cal_component_get_categories_list:
+ * @comp: A calendar component object.
+ * @categ_list: Return value for the list of strings, where each string is a
+ * category. This should be freed using cal_component_free_categories_list().
+ *
+ * Queries the list of categories of a calendar component object. Each element
+ * in the returned categ_list is a string with the corresponding category.
+ **/
+void
+cal_component_get_categories_list (CalComponent *comp, GSList **categ_list)
+{
+ CalComponentPrivate *priv;
+ const char *categories;
+ const char *p;
+ const char *cat_start;
+ char *str;
+
+ g_return_if_fail (comp != NULL);
+ g_return_if_fail (IS_CAL_COMPONENT (comp));
+
+ priv = comp->priv;
+ g_return_if_fail (priv->icalcomp != NULL);
+ g_return_if_fail (categ_list != NULL);
+
+ if (!priv->categories_list) {
+ *categ_list = NULL;
+ return;
+ }
+
+ categories = icalproperty_get_categories (priv->categories_list);
+ g_assert (categories != NULL);
+
+ cat_start = categories;
+
+ *categ_list = NULL;
+
+ for (p = categories; *p; p++)
+ if (*p == ',') {
+ str = g_strndup (cat_start, p - cat_start);
+ *categ_list = g_slist_prepend (*categ_list, str);
+
+ cat_start = p + 1;
+ }
+
+ str = g_strndup (cat_start, p - cat_start);
+ *categ_list = g_slist_prepend (*categ_list, str);
+
+ *categ_list = g_slist_reverse (*categ_list);
+}
+
+/* Creates a comma-delimited string of categories */
+static char *
+stringify_categories (GSList *categ_list)
+{
+ GString *s;
+ GSList *l;
+ char *str;
+
+ s = g_string_new (NULL);
+
+ for (l = categ_list; l; l = l->next) {
+ g_string_append (s, l->data);
+
+ if (l->next != NULL)
+ g_string_append (s, ",");
+ }
+
+ str = s->str;
+ g_string_free (s, FALSE);
+
+ return str;
+}
+
+/**
+ * cal_component_set_categories_list:
+ * @comp: A calendar component object.
+ * @categ_list: List of strings, one for each category.
+ *
+ * Sets the list of categories of a calendar component object.
+ **/
+void
+cal_component_set_categories_list (CalComponent *comp, GSList *categ_list)
+{
+ CalComponentPrivate *priv;
+ struct categories *cat;
+ char *categories_str;
+
+ g_return_if_fail (comp != NULL);
+ g_return_if_fail (IS_CAL_COMPONENT (comp));
+
+ priv = comp->priv;
+ g_return_if_fail (priv->icalcomp != NULL);
+
+ /* Free the old list */
+
+ if (!categ_list) {
+ if (priv->categories_list) {
+ GSList *l;
+
+ for (l = priv->categories_list; l; l = l->next) {
+ struct categories *c;
+
+ c = l->data;
+ icalcomponent_remove_property (priv->icalcomp, c->prop);
+ icalproperty_free (c->prop);
+
+ g_free (c);
+ }
+
+ g_slist_free (priv->categories_list);
+ priv->categories_list = NULL;
+ }
+
+ return;
+ }
+
+ /* Create a single string of categories */
+
+ categories_str = stringify_categories (categ_list);
+
+ /* Set the categories */
+
+ cat = g_new (struct categories, 1);
+ cat->prop = icalproperty_new_categories (categories_str);
+ g_free (categories_str);
+
+ icalcomponent_add_property (priv->icalcomp, cat->prop);
+}
+
+/**
+ * cal_component_free_categories_list:
+ * @categ_list: List of category strings.
+ *
+ * Frees a list of category strings.
+ **/
+void
+cal_component_free_categories_list (GSList *categ_list)
+{
+ GSList *l;
+
+ for (l = categ_list; l; l = l->next)
+ g_free (l->data);
+
+ g_slist_free (categ_list);
+}
diff --git a/calendar/cal-util/cal-component.h b/calendar/cal-util/cal-component.h
index d6c84d9db0..8b32acdf2d 100644
--- a/calendar/cal-util/cal-component.h
+++ b/calendar/cal-util/cal-component.h
@@ -125,6 +125,10 @@ void cal_component_set_dtend (CalComponent *comp, CalComponentDateTime *dt);
void cal_component_get_due (CalComponent *comp, CalComponentDateTime *dt);
void cal_component_set_due (CalComponent *comp, CalComponentDateTime *dt);
+void cal_component_get_categories_list (CalComponent *comp, GSList **categ_list);
+void cal_component_set_categories_list (CalComponent *comp, GSList *categ_list);
+void cal_component_free_categories_list (GSList *categ_list);
+
END_GNOME_DECLS