* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Ryan Lortie <desrt@desrt.ca>
*/
/* < private >
* GVariantSerialised:
* @type_info: the #GVariantTypeInfo of this value
- * @data: the serialised data of this value, or %NULL
+ * @data: (allow-none): the serialised data of this value, or %NULL
* @size: the size of this value
*
* A structure representing a GVariant in serialised form. This
}
}
+static gsize
+gvs_fixed_sized_maybe_write_to_vectors (GVariantVectors *vectors,
+ GVariantTypeInfo *type_info,
+ gsize size,
+ const gpointer *children,
+ gsize n_children)
+{
+ if (!n_children)
+ return 0;
+
+ return g_variant_callback_write_to_vectors (vectors, children[0], NULL);
+}
+
static gboolean
gvs_fixed_sized_maybe_is_normal (GVariantSerialised value)
{
}
}
+static void
+gvs_variable_sized_maybe_write_to_vectors (GVariantVectors *vectors,
+ GVariantTypeInfo *type_info,
+ gsize size,
+ const gpointer *children,
+ gsize n_children)
+{
+ if (n_children)
+ {
+ g_variant_callback_write_to_vectors (vectors, children[0], NULL);
+ g_variant_vectors_append_copy (vectors, "", 1);
+ }
+}
+
static gboolean
gvs_variable_sized_maybe_is_normal (GVariantSerialised value)
{
}
}
+static void
+gvs_fixed_sized_array_write_to_vectors (GVariantVectors *vectors,
+ GVariantTypeInfo *type_info,
+ gsize size,
+ const gpointer *children,
+ gsize n_children)
+{
+ gsize i;
+
+ for (i = 0; i < n_children; i++)
+ g_variant_callback_write_to_vectors (vectors, children[i], NULL);
+}
+
static gboolean
gvs_fixed_sized_array_is_normal (GVariantSerialised value)
{
* normal form and that is the one that the serialiser must produce.
*/
+/* bytes may be NULL if (size == 0). */
static inline gsize
gvs_read_unaligned_le (guchar *bytes,
guint size)
} tmpvalue;
tmpvalue.integer = 0;
- memcpy (&tmpvalue.bytes, bytes, size);
+ if (bytes != NULL)
+ memcpy (&tmpvalue.bytes, bytes, size);
return GSIZE_FROM_LE (tmpvalue.integer);
}
}
}
+static void
+gvs_variable_sized_array_write_to_vectors (GVariantVectors *vectors,
+ GVariantTypeInfo *type_info,
+ gsize size,
+ const gpointer *children,
+ gsize n_children)
+{
+ guint offset_key;
+ guint alignment;
+ gsize offset;
+ gsize i;
+
+ if (n_children == 0)
+ return;
+
+ offset_key = g_variant_vectors_reserve_offsets (vectors, n_children, gvs_get_offset_size (size));
+ g_variant_type_info_query (type_info, &alignment, NULL);
+ offset = 0;
+
+ for (i = 0; i < n_children; i++)
+ {
+ if ((-offset) & alignment)
+ offset += g_variant_vectors_append_pad (vectors, (-offset) & alignment);
+
+ offset += g_variant_callback_write_to_vectors (vectors, children[i], NULL);
+
+ g_variant_vectors_write_to_offsets (vectors, i, offset, offset_key);
+ }
+
+ g_variant_vectors_commit_offsets (vectors, offset_key);
+}
+
static gboolean
gvs_variable_sized_array_is_normal (GVariantSerialised value)
{
child.size = fixed_size;
}
- else /* G_VARIANT_MEMEBER_ENDING_OFFSET */
+ else /* G_VARIANT_MEMBER_ENDING_OFFSET */
end = gvs_read_unaligned_le (value.data + value.size -
offset_size * (member_info->i + 2),
offset_size);
value.data[offset++] = '\0';
}
+
+static void
+gvs_tuple_write_to_vectors (GVariantVectors *vectors,
+ GVariantTypeInfo *type_info,
+ gsize size,
+ const gpointer *children,
+ gsize n_children)
+{
+ const GVariantMemberInfo *member_info = NULL;
+ gsize fixed_size;
+ gsize offset;
+ gsize i;
+
+ if (n_children == 0)
+ {
+ g_variant_vectors_append_copy (vectors, "", 1);
+ return;
+ }
+
+ g_variant_type_info_query (type_info, NULL, &fixed_size);
+ offset = 0;
+
+ if (!fixed_size)
+ {
+ gsize n_offsets;
+
+ member_info = g_variant_type_info_member_info (type_info, n_children - 1);
+ n_offsets = member_info->i + 1;
+
+ if (n_offsets)
+ {
+ gsize offset_key = 0;
+
+ offset_key = g_variant_vectors_reserve_offsets (vectors, n_offsets, gvs_get_offset_size (size));
+
+ for (i = 0; i < n_children; i++)
+ {
+ guint alignment;
+
+ member_info = g_variant_type_info_member_info (type_info, i);
+ g_variant_type_info_query (member_info->type_info, &alignment, NULL);
+
+ if ((-offset) & alignment)
+ offset += g_variant_vectors_append_pad (vectors, (-offset) & alignment);
+
+ offset += g_variant_callback_write_to_vectors (vectors, children[i], NULL);
+
+ if (member_info->ending_type == G_VARIANT_MEMBER_ENDING_OFFSET)
+ g_variant_vectors_write_to_offsets (vectors, --n_offsets, offset, offset_key);
+ }
+
+ g_variant_vectors_commit_offsets (vectors, offset_key);
+ }
+ else
+ {
+ for (i = 0; i < n_children; i++)
+ {
+ guint alignment;
+
+ member_info = g_variant_type_info_member_info (type_info, i);
+ g_variant_type_info_query (member_info->type_info, &alignment, NULL);
+
+ if ((-offset) & alignment)
+ offset += g_variant_vectors_append_pad (vectors, (-offset) & alignment);
+
+ offset += g_variant_callback_write_to_vectors (vectors, children[i], NULL);
+ }
+ }
+ }
+ else
+ {
+ for (i = 0; i < n_children; i++)
+ {
+ guint alignment;
+
+ member_info = g_variant_type_info_member_info (type_info, i);
+ g_variant_type_info_query (member_info->type_info, &alignment, NULL);
+
+ if ((-offset) & alignment)
+ offset += g_variant_vectors_append_pad (vectors, (-offset) & alignment);
+
+ offset += g_variant_callback_write_to_vectors (vectors, children[i], NULL);
+ }
+
+ g_assert (fixed_size - offset < 8);
+ g_variant_vectors_append_pad (vectors, fixed_size - offset);
+ }
+}
+
static gboolean
gvs_tuple_is_normal (GVariantSerialised value)
{
gsize offset;
gsize i;
+ /* as per the comment in gvs_tuple_get_child() */
+ if G_UNLIKELY (value.data == NULL && value.size != 0)
+ return FALSE;
+
offset_size = gvs_get_offset_size (value.size);
length = g_variant_type_info_n_members (value.type_info);
offset_ptr = value.size;
memcpy (value.data + child.size + 1, type_string, strlen (type_string));
}
+static void
+gvs_variant_write_to_vectors (GVariantVectors *vectors,
+ GVariantTypeInfo *type_info,
+ gsize size,
+ const gpointer *children,
+ gsize n_children)
+{
+ GVariantTypeInfo *child_type_info;
+ const gchar *type_string;
+
+ g_variant_callback_write_to_vectors (vectors, children[0], &child_type_info);
+ type_string = g_variant_type_info_get_type_string (child_type_info);
+
+ g_variant_vectors_append_copy (vectors, "", 1);
+ g_variant_vectors_append_copy (vectors, type_string, strlen (type_string));
+}
+
static inline gboolean
gvs_variant_is_normal (GVariantSerialised value)
{
/* < private >
* g_variant_serialised_n_children:
* @serialised: a #GVariantSerialised
- * @returns: the number of children
*
* For serialised data that represents a container value (maybes,
* tuples, arrays, variants), determine how many child items are inside
* that container.
+ *
+ * Returns: the number of children
*/
gsize
g_variant_serialised_n_children (GVariantSerialised serialised)
* g_variant_serialised_get_child:
* @serialised: a #GVariantSerialised
* @index_: the index of the child to fetch
- * @returns: a #GVariantSerialised for the child
*
* Extracts a child from a serialised data representing a container
* value.
* item of a variable-sized type is being returned.
*
* .data is never non-%NULL if size is 0.
+ *
+ * Returns: a #GVariantSerialised for the child
*/
GVariantSerialised
g_variant_serialised_get_child (GVariantSerialised serialised,
return gvs_/**/,/**/_needed_size (type_info, gvs_filler,
children, n_children);
+ )
+ g_assert_not_reached ();
+}
+
+void
+g_variant_serialiser_write_to_vectors (GVariantVectors *vectors,
+ GVariantTypeInfo *type_info,
+ gsize size,
+ const gpointer *children,
+ gsize n_children)
+{
+ DISPATCH_CASES (type_info,
+ gvs_/**/,/**/_write_to_vectors (vectors, type_info, size, children, n_children);
+ return;
)
g_assert_not_reached ();
}
g_variant_serialiser_is_string (gconstpointer data,
gsize size)
{
+ const gchar *expected_end;
const gchar *end;
+ if (size == 0)
+ return FALSE;
+
+ expected_end = ((gchar *) data) + size - 1;
+
+ if (*expected_end != '\0')
+ return FALSE;
+
g_utf8_validate (data, size, &end);
- return data == end - (size - 1);
+ return end == expected_end;
}
/* < private >
projects / platform / upstream / glib.git / blobdiff