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GtkBuilder: added template parent type check.

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This commit is contained in:
Juan Pablo Ugarte 2014-05-02 14:38:05 -03:00
parent 35df3bc182
commit b059098c71
1 changed files with 25 additions and 1 deletions
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26
gtk/gtkbuilderparser.c
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@ -438,6 +438,7 @@ parse_template (GMarkupParseContext *context,
ObjectInfo *object_info;
int i;
const gchar *object_class = NULL;
const gchar *parent_class = NULL;
gint line, line2;
GType template_type = _gtk_builder_get_template_type (data->builder);
GType parsed_type;
@ -464,7 +465,7 @@ parse_template (GMarkupParseContext *context,
if (strcmp (names[i], "class") == 0)
object_class = values[i];
else if (strcmp (names[i], "parent") == 0)
/* Ignore 'parent' attribute, however it's needed by Glade */;
parent_class = values[i];
else
{
error_invalid_attribute (data, element_name, names[i], error);
@ -489,6 +490,29 @@ parse_template (GMarkupParseContext *context,
return;
}
if (parent_class)
{
GType parent_type = g_type_from_name (parent_class);
GType expected_type = g_type_parent (parsed_type);
if (parent_type == G_TYPE_INVALID)
{
g_set_error (error, GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_INVALID_VALUE,
"Invalid template parent type `%s'",
parent_class);
return;
}
if (parent_type != expected_type)
{
g_set_error (error, GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_TEMPLATE_MISMATCH,
"Template parent type `%s' does not match instance parent type `%s'.",
parent_class, g_type_name (expected_type));
return;
}
}
++data->cur_object_level;
object_info = g_slice_new0 (ObjectInfo);