[gtk/child-properties: 3/4] builder-tool: Rewrite GtkPopoverMenu::submenu

[Matthias Clasen <matthiasc src gnome org>]

commit 8c807303da3132d30a6d0118aa44d71b8bd06d67
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Mar 27 18:38:29 2019 -0400

    builder-tool: Rewrite GtkPopoverMenu::submenu

 gtk/tools/gtk-builder-tool-simplify.c | 157 +++++++++++++++++++++++++++++-----
 1 file changed, 137 insertions(+), 20 deletions(-)
---
diff --git a/gtk/tools/gtk-builder-tool-simplify.c b/gtk/tools/gtk-builder-tool-simplify.c
index 76dc3ea840..3266fcf0ff 100644
--- a/gtk/tools/gtk-builder-tool-simplify.c
+++ b/gtk/tools/gtk-builder-tool-simplify.c
@@ -183,6 +183,38 @@ needs_explicit_setting (GParamSpec *pspec,
   return found;
 }
 
+static gboolean
+keep_for_rewrite (const char *class_name,
+                  const char *prop_name,
+                  gboolean    packing)
+{
+  struct _Prop {
+    const char *class;
+    const char *property;
+    gboolean packing;
+  } props[] = {
+    { "GtkActionBar", "pack-type", 1 },
+    { "GtkHeaderBar", "pack-type", 1 },
+    { "GtkPopoverMenu", "submenu", 1 },
+  };
+  gboolean found;
+  gint k;
+
+  found = FALSE;
+  for (k = 0; k < G_N_ELEMENTS (props); k++)
+    {
+      if (strcmp (class_name, props[k].class) == 0 &&
+          strcmp (prop_name, props[k].property) == 0 &&
+          packing == props[k].packing)
+        {
+          found = TRUE;
+          break;
+        }
+    }
+
+  return found;
+}
+
 static gboolean
 is_pcdata_element (Element *element)
 {
@@ -323,6 +355,23 @@ value_is_default (MyParserData *data,
   return ret;
 }
 
+static gboolean
+has_attribute (Element    *elt,
+               const char *name,
+               const char *value)
+{
+  int i;
+
+  for (i = 0; elt->attribute_names[i]; i++)
+    {
+      if (strcmp (elt->attribute_names[i], name) == 0 &&
+          (value == NULL || strcmp (elt->attribute_values[i], value) == 0))
+        return TRUE;
+    }
+
+  return FALSE;
+}
+
 static const char *
 get_attribute_value (Element *element,
                      const char *name)
@@ -426,9 +475,7 @@ property_can_be_omitted (Element      *element,
         property_name = (const gchar *)element->attribute_values[i];
     }
 
-  if ((strcmp (class_name, "GtkActionBar") == 0 ||
-       strcmp (class_name, "GtkHeaderBar") == 0) &&
-       strcmp (property_name, "pack-type") == 0)
+  if (keep_for_rewrite (class_name, property_name, packing))
     return FALSE; /* keep, will be rewritten */
 
   if (translatable)
@@ -646,23 +693,6 @@ rewrite_assistant (Element      *element,
   element->children = new_children;
 }
 
-static gboolean
-has_attribute (Element    *elt,
-               const char *name,
-               const char *value)
-{
-  int i;
-
-  for (i = 0; elt->attribute_names[i]; i++)
-    {
-      if (strcmp (elt->attribute_names[i], name) == 0 &&
-          (value == NULL || strcmp (elt->attribute_values[i], value) == 0))
-        return TRUE;
-    }
-
-  return FALSE;
-}
-
 static Element *
 rewrite_notebook_page (Element *child, Element *tab, MyParserData *data)
 {
@@ -792,10 +822,18 @@ rewrite_pack_type_child (Element *element,
                 {
                   pack_type = elt2;
                   elt->children = g_list_remove (elt->children, pack_type);
+                  if (elt->children == NULL)
+                    {
+                      element->children = g_list_remove (element->children, elt);
+                      free_element (elt);
+                    }
                   break;
                 }
             }
         }
+
+      if (pack_type)
+        break;
     }
 
   if (pack_type)
@@ -837,6 +875,81 @@ rewrite_pack_type (Element *element,
     }
 }
 
+static void
+rewrite_popover_menu_child (Element *element,
+                            MyParserData *data)
+{
+  Element *submenu = NULL;
+  Element *object = NULL;
+  GList *l, *ll;
+
+  if (!g_str_equal (element->element_name, "child"))
+    return;
+
+  for (l = element->children; l; l = l->next)
+    {
+      Element *elt = l->data;
+
+      if (g_str_equal (elt->element_name, "object"))
+        object = elt;
+
+      if (g_str_equal (elt->element_name, "packing"))
+        {
+          for (ll = elt->children; ll; ll = ll->next)
+            {
+              Element *elt2 = ll->data;
+
+              if (g_str_equal (elt2->element_name, "property") &&
+                  has_attribute (elt2, "name", "submenu"))
+                {
+                  submenu = elt2;
+                  elt->children = g_list_remove (elt->children, submenu);
+                  if (elt->children == NULL)
+                    {
+                      element->children = g_list_remove (element->children, elt);
+                      free_element (elt);
+                    }
+                  break;
+                }
+            }
+        }
+
+      if (submenu)
+        break;
+    }
+
+  if (submenu)
+    {
+      Element *elt;
+
+      elt = g_new0 (Element, 1);
+      elt->parent = element;
+      elt->element_name = g_strdup ("property");
+      elt->attribute_names = g_new0 (char *, 2);
+      elt->attribute_names[0] = g_strdup ("name");
+      elt->attribute_values = g_new0 (char *, 2);
+      elt->attribute_values[0] = g_strdup ("name");
+      elt->data = g_strdup (submenu->data);
+
+      object->children = g_list_prepend (object->children, elt);
+
+      free_element (submenu);
+    }
+}
+static void
+rewrite_popover_menu (Element *element,
+                      MyParserData *data)
+{
+  GList *l;
+
+  for (l = element->children; l; l = l->next)
+    {
+      Element *elt = l->data;
+      if (g_str_equal (elt->element_name, "child"))
+        rewrite_popover_menu_child (elt, data); 
+    }
+}
+
 static gboolean
 simplify_element (Element      *element,
                   MyParserData *data)
@@ -892,6 +1005,10 @@ simplify_element (Element      *element,
            g_str_equal (get_class_name (element), "GtkHeaderBar")))
         rewrite_pack_type (element, data);
 
+      if (g_str_equal (element->element_name, "object") &&
+          g_str_equal (get_class_name (element), "GtkPopoverMenu"))
+        rewrite_popover_menu (element, data);
+
       if (g_str_equal (element->element_name, "property") &&
           property_has_been_removed (element, data))
         return TRUE;