/**
* grl_related_keys_set:
* @relkeys: set of related keys to modify
* @key: (type GrlKeyID): key to change or add
* @value: the new value
*
* Sets the value associated with @key into @relkeys. Old value is freed and
* the new one is set.
*
* Also, checks that @value is compliant with @key specification, modifying it
* accordingly. For instance, if @key requires a number between 0 and 10, but
* value is outside this range, it will be adapted accordingly.
*
* Since: 0.1.10
**/
void
grl_related_keys_set (GrlRelatedKeys *relkeys,
GrlKeyID key,
const GValue *value)
{
GValue *copy = NULL;
GrlRegistry *registry;
g_return_if_fail (GRL_IS_RELATED_KEYS (relkeys));
g_return_if_fail (key);
if (!value) {
return;
}
/* Dup value */
if (G_VALUE_TYPE (value) != GRL_METADATA_KEY_GET_TYPE (key)) {
GRL_WARNING ("value has type %s, but expected %s",
g_type_name (G_VALUE_TYPE (value)),
g_type_name (GRL_METADATA_KEY_GET_TYPE (key)));
return;
}
copy = g_new0 (GValue, 1);
g_value_init (copy, G_VALUE_TYPE (value));
g_value_copy (value, copy);
registry = grl_registry_get_default ();
if (!grl_registry_metadata_key_validate (registry, key, copy)) {
GRL_WARNING ("'%s' value invalid, adjusting",
GRL_METADATA_KEY_GET_NAME (key));
}
g_hash_table_insert (relkeys->priv->data, GRLKEYID_TO_POINTER (key), copy);
}
static void
gen_prop_insert_string (GString *gstr,
tracker_grl_sparql_t *assoc,
GrlData *data)
{
gchar *tmp;
switch (GRL_METADATA_KEY_GET_TYPE (assoc->grl_key)) {
case G_TYPE_STRING:
tmp = g_strescape (grl_data_get_string (data, assoc->grl_key), NULL);
g_string_append_printf (gstr, "%s \"%s\"",
assoc->sparql_key_attr, tmp);
g_free (tmp);
break;
case G_TYPE_INT:
g_string_append_printf (gstr, "%s %i",
assoc->sparql_key_attr,
grl_data_get_int (data, assoc->grl_key));
break;
case G_TYPE_FLOAT:
g_string_append_printf (gstr, "%s %f",
assoc->sparql_key_attr,
grl_data_get_float (data, assoc->grl_key));
break;
default:
break;
}
}
/**
* grl_related_keys_new_valist:
* @key: first key
* @args: #va_list of value, followed by (key,value) pairs to insert
*
* Creates a new #GrlRelatedKeys containing pairs of (key, value). Finish the
* list with %NULL.
*
* In case of a binary-type key, the expected element is (key, value, size).
*
* value type will be extracted from key information.
*
* Returns: a new #GrlRelatedKeys
*
* Since: 0.1.10
**/
GrlRelatedKeys *
grl_related_keys_new_valist (GrlKeyID key,
va_list args)
{
GType key_type;
GrlKeyID next_key;
GrlRelatedKeys *prop;
gpointer next_value;
prop = grl_related_keys_new ();
next_key = key;
while (next_key) {
key_type = GRL_METADATA_KEY_GET_TYPE (next_key);
if (key_type == G_TYPE_STRING) {
grl_related_keys_set_string (prop, next_key, va_arg (args, gchar *));
} else if (key_type == G_TYPE_INT) {
grl_related_keys_set_int (prop, next_key, va_arg (args, gint));
} else if (key_type == G_TYPE_FLOAT) {
grl_related_keys_set_float (prop, next_key, va_arg (args, double));
} else if (key_type == G_TYPE_BYTE_ARRAY) {
next_value = va_arg (args, gpointer);
grl_related_keys_set_binary (prop,
next_key,
next_value,
va_arg (args, gsize));
}
next_key = va_arg (args, GrlKeyID);
}
return prop;
}
static void
gen_prop_insert_string (GString *gstr,
tracker_grl_sparql_t *assoc,
GrlData *data)
{
gchar *tmp;
GType type = GRL_METADATA_KEY_GET_TYPE (assoc->grl_key);
switch (type) {
case G_TYPE_STRING:
tmp = g_strescape (grl_data_get_string (data, assoc->grl_key), NULL);
g_string_append_printf (gstr, "%s \"%s\"",
assoc->sparql_key_attr, tmp);
g_free (tmp);
break;
case G_TYPE_INT:
g_string_append_printf (gstr, "%s %i",
assoc->sparql_key_attr,
grl_data_get_int (data, assoc->grl_key));
break;
case G_TYPE_FLOAT:
g_string_append_printf (gstr, "%s %f",
assoc->sparql_key_attr,
grl_data_get_float (data, assoc->grl_key));
break;
case G_TYPE_BOOLEAN:
/* Special case for favourite tag, see comment in
* grl_tracker_tracker_get_insert_string for more details.
*/
if (assoc->grl_key == GRL_METADATA_KEY_FAVOURITE) {
g_string_append_printf (gstr, "%s nao:predefined-tag-favorite",
assoc->sparql_key_attr);
}
break;
default:
if (type == G_TYPE_DATE_TIME) {
tmp = g_date_time_format (grl_data_get_boxed (data, assoc->grl_key),
"%FT%T%:z");
g_string_append_printf (gstr, "%s '%s'",
assoc->sparql_key_attr,
tmp);
g_free (tmp);
}
break;
}
}
/**
* grl_operation_options_set_key_filters:
* @options: a #GrlOperationOptions instance
* @...: pairs of #GrlKeyID, value
*
* Set filter as "k1 == v1 AND k2 == v2 AND ..."
*
* <example>
* Elements from album "Frozen" with a bitrate of 256kbs.
* <programlisting>
* grl_operation_options_set_key_filters (my_options,
* GRL_METADATA_KEY_ALBUM, "Frozen",
* GRL_METADATA_KEY_BITRATE, 256,
* NULL);
* </programlisting>
* </example>
*
* Returns: %TRUE on success
*
* Since: 0.2.0
**/
gboolean
grl_operation_options_set_key_filters (GrlOperationOptions *options,
...)
{
GType key_type;
GValue value = { 0 };
GrlKeyID next_key;
gboolean skip;
gboolean success = TRUE;
va_list args;
va_start (args, options);
next_key = va_arg (args, GrlKeyID);
while (next_key) {
key_type = GRL_METADATA_KEY_GET_TYPE (next_key);
g_value_init (&value, key_type);
skip = FALSE;
if (key_type == G_TYPE_STRING) {
g_value_set_string (&value, va_arg (args, gchar *));
} else if (key_type == G_TYPE_INT) {
