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Learning_GTK4_tree/tools/gtk-builder-tool-simplify.c

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/* Copyright 2015 Red Hat, Inc.
*
* GTK is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* GLib is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with GTK; see the file COPYING. If not,
* see <http://www.gnu.org/licenses/>.
*
* Author: Matthias Clasen
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <glib/gi18n-lib.h>
#include <glib/gprintf.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include "gtkbuilderprivate.h"
#include "gtk-builder-tool.h"
typedef struct Element Element;
struct Element {
Element *parent;
char *element_name;
char **attribute_names;
char **attribute_values;
char *data;
GList *children;
int line_number;
int char_number;
};
static void
free_element (gpointer data)
{
Element *element = data;
g_list_free_full (element->children, free_element);
g_free (element->element_name);
g_strfreev (element->attribute_names);
g_strfreev (element->attribute_values);
g_free (element->data);
g_free (element);
}
typedef struct {
Element *root;
Element *current;
GString *value;
GtkBuilder *builder;
const char *input_filename;
char *output_filename;
FILE *output;
gboolean convert3to4;
gboolean has_gtk_requires;
} MyParserData;
static void
start_element (GMarkupParseContext *context,
const char *element_name,
const char **attribute_names,
const char **attribute_values,
gpointer user_data,
GError **error)
{
MyParserData *data = user_data;
Element *elt;
elt = g_new0 (Element, 1);
elt->parent = data->current;
elt->element_name = g_strdup (element_name);
elt->attribute_names = g_strdupv ((char **)attribute_names);
elt->attribute_values = g_strdupv ((char **)attribute_values);
g_markup_parse_context_get_position (context, &elt->line_number, &elt->char_number);
if (data->current)
data->current->children = g_list_append (data->current->children, elt);
data->current = elt;
if (data->root == NULL)
data->root = elt;
g_string_truncate (data->value, 0);
}
static void
end_element (GMarkupParseContext *context,
const char *element_name,
gpointer user_data,
GError **error)
{
MyParserData *data = user_data;
data->current->data = g_strdup (data->value->str);
data->current = data->current->parent;
}
static void
text (GMarkupParseContext *context,
const char *text,
gsize text_len,
gpointer user_data,
GError **error)
{
MyParserData *data = user_data;
if (data->value)
{
g_string_append_len (data->value, text, text_len);
return;
}
}
static GMarkupParser parser = {
start_element,
end_element,
text,
NULL,
NULL
};
static const char *
canonical_boolean_value (MyParserData *data,
const char *string)
{
GValue value = G_VALUE_INIT;
gboolean b = FALSE;
if (gtk_builder_value_from_string_type (data->builder, G_TYPE_BOOLEAN, string, &value, NULL))
b = g_value_get_boolean (&value);
return b ? "1" : "0";
}
typedef enum {
PROP_KIND_OBJECT,
PROP_KIND_PACKING,
PROP_KIND_CELL_PACKING,
PROP_KIND_LAYOUT
} PropKind;
static PropKind
get_prop_kind (Element *element)
{
g_assert (g_str_equal (element->element_name, "property"));
if (g_str_equal (element->parent->element_name, "packing"))
return PROP_KIND_PACKING;
else if (g_str_equal (element->parent->element_name, "layout"))
return PROP_KIND_LAYOUT;
else if (g_str_equal (element->parent->element_name, "cell-packing"))
return PROP_KIND_CELL_PACKING;
else
return PROP_KIND_OBJECT;
}
/* A number of properties unfortunately can't be omitted even
* if they are nominally set to their default value. In many
* cases, this is due to subclasses not overriding the default
* value from the superclass.
*/
static gboolean
needs_explicit_setting (GParamSpec *pspec,
PropKind kind)
{
struct _Prop {
const char *class;
const char *property;
PropKind kind;
} props[] = {
{ "GtkAboutDialog", "program-name", PROP_KIND_OBJECT },
{ "GtkCalendar", "year", PROP_KIND_OBJECT },
{ "GtkCalendar", "month", PROP_KIND_OBJECT },
{ "GtkCalendar", "day", PROP_KIND_OBJECT },
{ "GtkPlacesSidebar", "show-desktop", PROP_KIND_OBJECT },
{ "GtkRadioButton", "draw-indicator", PROP_KIND_OBJECT },
{ "GtkWidget", "hexpand", PROP_KIND_OBJECT },
{ "GtkWidget", "vexpand", PROP_KIND_OBJECT },
{ "GtkGridLayoutChild", "row", PROP_KIND_LAYOUT },
{ "GtkGridLayoutChild", "column", PROP_KIND_LAYOUT },
};
gboolean found;
int k;
const char *class_name;
class_name = g_type_name (pspec->owner_type);
found = FALSE;
for (k = 0; k < G_N_ELEMENTS (props); k++)
{
if (strcmp (class_name, props[k].class) == 0 &&
strcmp (pspec->name, props[k].property) == 0 &&
kind == props[k].kind)
{
found = TRUE;
break;
}
}
return found;
}
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 gboolean
is_cdata_property (Element *element)
{
if (g_str_equal (element->element_name, "property") &&
has_attribute (element, "name", "bytes") &&
element->parent != NULL &&
g_str_equal (element->parent->element_name, "object") &&
has_attribute (element->parent, "class", "GtkBuilderListItemFactory"))
return TRUE;
return FALSE;
}
static gboolean
is_pcdata_element (Element *element)
{
/* elements that can contain text */
const char *names[] = {
"property",
"attribute",
"action-widget",
"pattern",
"mime-type",
"col",
"item",
"mark",
"lookup",
NULL,
};
if (g_str_equal (element->element_name, "property") &&
(g_strv_contains ((const char * const *)element->attribute_names, "bind-source") ||
g_strv_contains ((const char * const *)element->attribute_names, "bind_source")))
return FALSE;
if (g_strv_contains (names, element->element_name))
return TRUE;
return FALSE;
}
static gboolean
is_container_element (Element *element)
{
/* elements that just hold a list of things and
* can be omitted when they have no children
*/
const char *names[] = {
"packing",
"layout",
"cell-packing",
"attributes",
"action-widgets",
"patterns",
"mime-types",
"attributes",
"row",
"items",
NULL
};
if (g_strv_contains (names, element->element_name))
return TRUE;
return FALSE;
}
static void
canonicalize_key (char *key)
{
char *p;
for (p = key; *p != 0; p++)
{
char c = *p;
/* We may meet something like AtkObject::accessible-name */
if (c == ':' && ((p > key && p[-1] == ':') || p[1] == ':'))
continue;
if (c != '-' &&
(c < '0' || c > '9') &&
(c < 'A' || c > 'Z') &&
(c < 'a' || c > 'z'))
*p = '-';
}
}
static struct {
const char *class;
const char *layout_manager;
} layout_managers[] = {
{ "GtkBox", "GtkBoxLayout" },
{ "GtkGrid", "GtkGridLayout" },
{ "GtkFixed", "GtkFixedLayout" },
{ "GtkFileChooserButton", "GtkBinLayout" },
{ "GtkFileChooserWidget", "GtkBinLayout" },
{ "GtkOverlay", "GtkOverlayLayout" }
};
static GParamSpec *
get_property_pspec (MyParserData *data,
const char *class_name,
const char *property_name,
PropKind kind)
{
GType type;
GObjectClass *class;
GParamSpec *pspec;
char *canonical_name;
type = g_type_from_name (class_name);
if (type == G_TYPE_INVALID)
{
type = gtk_builder_get_type_from_name (data->builder, class_name);
if (type == G_TYPE_INVALID)
return NULL;
}
class = g_type_class_ref (type);
canonical_name = g_strdup (property_name);
canonicalize_key (canonical_name);
switch (kind)
{
case PROP_KIND_OBJECT:
pspec = g_object_class_find_property (class, canonical_name);
break;
case PROP_KIND_PACKING:
pspec = NULL;
break;
case PROP_KIND_CELL_PACKING:
{
GObjectClass *cell_class;
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
/* We're just assuming that the cell layout is using a GtkCellAreaBox. */
cell_class = g_type_class_ref (GTK_TYPE_CELL_AREA_BOX);
pspec = gtk_cell_area_class_find_cell_property (GTK_CELL_AREA_CLASS (cell_class), canonical_name);
g_type_class_unref (cell_class);
G_GNUC_END_IGNORE_DEPRECATIONS
}
break;
case PROP_KIND_LAYOUT:
{
int i;
const char *layout_manager = NULL;
pspec = NULL;
for (i = 0; i < G_N_ELEMENTS (layout_managers); i++)
{
if (g_str_equal (layout_managers[i].class, class_name))
{
layout_manager = layout_managers[i].layout_manager;
break;
}
}
if (layout_manager)
{
GtkLayoutManagerClass *layout_manager_class;
layout_manager_class = GTK_LAYOUT_MANAGER_CLASS (g_type_class_ref (g_type_from_name (layout_manager)));
if (layout_manager_class->layout_child_type != G_TYPE_INVALID)
{
GObjectClass *layout_child_class;
layout_child_class = g_type_class_ref (layout_manager_class->layout_child_type);
pspec = g_object_class_find_property (layout_child_class, canonical_name);
g_type_class_unref (layout_child_class);
}
g_type_class_unref (layout_manager_class);
}
}
break;
default:
g_assert_not_reached ();
}
g_free (canonical_name);
g_type_class_unref (class);
return pspec;
}
static const char *get_class_name (Element *element);
static gboolean
value_is_default (Element *element,
MyParserData *data,
GParamSpec *pspec,
const char *value_string)
{
GValue value = { 0, };
gboolean ret;
GError *error = NULL;
if (g_type_is_a (G_PARAM_SPEC_VALUE_TYPE (pspec), G_TYPE_OBJECT))
return FALSE;
if (g_type_is_a (G_PARAM_SPEC_VALUE_TYPE (pspec), G_TYPE_BOXED))
return FALSE;
if (!value_string)
return FALSE;
if (!gtk_builder_value_from_string (data->builder, pspec, value_string, &value, &error))
{
g_printerr (_("%s:%d: Couldn’t parse value for property '%s': %s\n"), data->input_filename, element->line_number, pspec->name, error->message);
g_error_free (error);
ret = FALSE;
}
else
{
/* GtkWidget::visible has a 'smart' default */
if (pspec->owner_type == GTK_TYPE_WIDGET &&
g_str_equal (pspec->name, "visible"))
{
const char *class_name = get_class_name (element);
GType type = g_type_from_name (class_name);
gboolean default_value;
if (g_type_is_a (type, GTK_TYPE_ROOT) ||
g_type_is_a (type, GTK_TYPE_POPOVER))
default_value = FALSE;
else
default_value = TRUE;
ret = g_value_get_boolean (&value) == default_value;
}
else if (pspec->owner_type == GTK_TYPE_WINDOW &&
(g_str_equal (pspec->name, "default-width") ||
g_str_equal (pspec->name, "default-height")))
{
int default_size;
default_size = g_value_get_int (&value);
ret = default_size <= 0;
}
else
ret = g_param_value_defaults (pspec, &value);
}
g_value_reset (&value);
return ret;
}
static const char *
get_attribute_value (Element *element,
const char *name)
{
int i;
for (i = 0; element->attribute_names[i]; i++)
{
if (g_str_equal (element->attribute_names[i], name))
return element->attribute_values[i];
}
return "";
}
static void
set_attribute_value (Element *element,
const char *name,
const char *value)
{
int i;
int len;
for (i = 0; element->attribute_names[i]; i++)
{
if (g_str_equal (element->attribute_names[i], name))
{
g_free (element->attribute_values[i]);
element->attribute_values[i] = g_strdup (value);
return;
}
}
len = g_strv_length (element->attribute_names);
element->attribute_names = g_realloc_n (element->attribute_names, len + 2, sizeof (char *));
element->attribute_values = g_realloc_n (element->attribute_values, len + 2, sizeof (char *));
element->attribute_names[len] = g_strdup (name);
element->attribute_values[len] = g_strdup (value);
element->attribute_names[len + 1] = NULL;
element->attribute_values[len + 1] = NULL;
}
static gboolean
element_is_object_or_template (Element *element)
{
return g_str_equal (element->element_name, "object") ||
g_str_equal (element->element_name, "template");
}
static const char *
get_class_name (Element *element)
{
Element *parent = element->parent;
if (element_is_object_or_template (element))
parent = element;
if (g_str_equal (parent->element_name, "packing"))
parent = parent->parent->parent; /* child - object */
else if (g_str_equal (parent->element_name, "layout"))
parent = parent->parent->parent->parent; /* object - child - object */
if (g_str_equal (parent->element_name, "object"))
{
return get_attribute_value (parent, "class");
}
else if (g_str_equal (parent->element_name, "template"))
{
if (get_attribute_value (parent, "parent"))
return get_attribute_value (parent, "parent");
else
return get_attribute_value (parent, "class");
}
return "";
}
static gboolean
property_is_boolean (Element *element,
MyParserData *data)
{
GParamSpec *pspec = NULL;
const char *class_name;
const char *property_name;
int i;
PropKind kind;
kind = get_prop_kind (element);
class_name = get_class_name (element);
property_name = "";
for (i = 0; element->attribute_names[i]; i++)
{
if (strcmp (element->attribute_names[i], "name") == 0)
property_name = (const char *)element->attribute_values[i];
}
if (class_name && property_name)
pspec = get_property_pspec (data, class_name, property_name, kind);
if (pspec)
return G_PARAM_SPEC_VALUE_TYPE (pspec) == G_TYPE_BOOLEAN;
return FALSE;
}
static gboolean
property_is_enum (Element *element,
MyParserData *data,
GType *type)
{
GParamSpec *pspec = NULL;
const char *class_name;
const char *property_name;
int i;
PropKind kind;
kind = get_prop_kind (element);
class_name = get_class_name (element);
property_name = "";
for (i = 0; element->attribute_names[i]; i++)
{
if (strcmp (element->attribute_names[i], "name") == 0)
property_name = (const char *)element->attribute_values[i];
}
if (class_name && property_name)
pspec = get_property_pspec (data, class_name, property_name, kind);
if (pspec && G_TYPE_IS_ENUM (G_PARAM_SPEC_VALUE_TYPE (pspec)))
{
*type = G_PARAM_SPEC_VALUE_TYPE (pspec);
return TRUE;
}
*type = G_TYPE_NONE;
return FALSE;
}
static char *
canonical_enum_value (MyParserData *data,
GType type,
const char *string)
{
GValue value = G_VALUE_INIT;
if (gtk_builder_value_from_string_type (data->builder, type, string, &value, NULL))
{
GEnumClass *eclass = g_type_class_ref (type);
GEnumValue *evalue = g_enum_get_value (eclass, g_value_get_enum (&value));
if (evalue)
return g_strdup (evalue->value_nick);
else
return g_strdup_printf ("%d", g_value_get_enum (&value));
}
return NULL;
}
static void
warn_missing_property (Element *element,
MyParserData *data,
const char *class_name,
const char *property_name,
PropKind kind)
{
char *name;
char *msg;
name = g_strconcat (class_name, "::", property_name, NULL);
switch (kind)
{
case PROP_KIND_OBJECT:
msg = g_strdup_printf (_("Property %s not found"), name);
break;
case PROP_KIND_PACKING:
msg = g_strdup_printf (_("Packing property %s not found"), name);
break;
case PROP_KIND_CELL_PACKING:
msg = g_strdup_printf (_("Cell property %s not found"), name);
break;
case PROP_KIND_LAYOUT:
msg = g_strdup_printf (_("Layout property %s not found"), name);
break;
default:
g_assert_not_reached ();
}
g_printerr ("%s:%d: %s\n", data->input_filename, element->line_number, msg);
g_free (name);
g_free (msg);
}
static gboolean
property_can_be_omitted (Element *element,
MyParserData *data)
{
int i;
gboolean bound;
gboolean translatable;
const char *class_name;
const char *property_name;
const char *value_string;
GParamSpec *pspec;
PropKind kind;
kind = get_prop_kind (element);
class_name = get_class_name (element);
property_name = "";
value_string = element->data;
bound = FALSE;
translatable = FALSE;
for (i = 0; element->attribute_names[i]; i++)
{
if (strcmp (element->attribute_names[i], "bind-source") == 0 ||
strcmp (element->attribute_names[i], "bind_source") == 0)
bound = TRUE;
else if (strcmp (element->attribute_names[i], "translatable") == 0)
translatable = TRUE;
else if (strcmp (element->attribute_names[i], "name") == 0)
property_name = (const char *)element->attribute_values[i];
}
if (translatable)
return FALSE;
if (bound)
return FALSE;
pspec = get_property_pspec (data, class_name, property_name, kind);
if (pspec == NULL)
{
warn_missing_property (element, data, class_name, property_name, kind);
return FALSE;
}
if (needs_explicit_setting (pspec, kind))
return FALSE;
return value_is_default (element, data, pspec, value_string);
}
static gboolean
property_has_been_removed (Element *element,
MyParserData *data)
{
const char *class_name;
const char *property_name;
struct _Prop {
const char *class;
const char *property;
PropKind kind;
} props[] = {
{ "GtkActionBar", "position", PROP_KIND_PACKING },
{ "GtkButtonBox", "secondary", PROP_KIND_PACKING },
{ "GtkButtonBox", "non-homogeneous", PROP_KIND_PACKING },
{ "GtkBox", "position", PROP_KIND_PACKING },
{ "GtkBox", "pack-type", PROP_KIND_PACKING },
{ "GtkHeaderBar", "position", PROP_KIND_PACKING },
{ "GtkPopoverMenu", "position",PROP_KIND_PACKING },
{ "GtkCheckButton", "draw-indicator", PROP_KIND_OBJECT },
};
char *canonical_name;
gboolean found;
int i, k;
PropKind kind;
kind = get_prop_kind (element);
class_name = get_class_name (element);
property_name = "";
for (i = 0; element->attribute_names[i]; i++)
{
if (strcmp (element->attribute_names[i], "name") == 0)
property_name = (const char *)element->attribute_values[i];
}
canonical_name = g_strdup (property_name);
g_strdelimit (canonical_name, "_", '-');
found = FALSE;
for (k = 0; k < G_N_ELEMENTS (props); k++)
{
if (strcmp (class_name, props[k].class) == 0 &&
strcmp (canonical_name, props[k].property) == 0 &&
kind == props[k].kind)
{
found = TRUE;
break;
}
}
g_free (canonical_name);
return found;
}
static void
maybe_rename_property (Element *element, MyParserData *data)
{
const char *class_name;
const char *property_name;
struct _Prop {
const char *class;
const char *property;
GType type;
PropKind kind;
const char *new_name;
const char *alt_names[3];
} props[] = {
/* the "replacement" property is placed *after* the "added" properties */
{ "GtkPopover", "modal", GTK_TYPE_POPOVER, PROP_KIND_OBJECT, "autohide", { NULL, NULL, NULL } },
{ "GtkWidget", "expand", GTK_TYPE_WIDGET, PROP_KIND_OBJECT, "vexpand", { "hexpand", NULL, NULL } },
{ "GtkWidget", "margin", GTK_TYPE_WIDGET, PROP_KIND_OBJECT, "margin-bottom", { "margin-start", "margin-end", "margin-top" } },
{ "GtkWidget", "margin-left", GTK_TYPE_WIDGET, PROP_KIND_OBJECT, "margin-start", { NULL, NULL, NULL } },
{ "GtkWidget", "margin-right", GTK_TYPE_WIDGET, PROP_KIND_OBJECT, "margin-end", { NULL, NULL, NULL } },
{ "GtkHeaderBar", "show-close-button", GTK_TYPE_HEADER_BAR, PROP_KIND_OBJECT, "show-title-buttons", { NULL, NULL, NULL } },
{ "GtkHeaderBar", "custom-title", GTK_TYPE_HEADER_BAR, PROP_KIND_OBJECT, "title-widget", { NULL, NULL, NULL } },
{ "GtkStack", "homogeneous", GTK_TYPE_STACK, PROP_KIND_OBJECT, "hhomogeneous", { "vhomogeneous", NULL, NULL } },
{ "GtkImage", "pixbuf", GTK_TYPE_IMAGE, PROP_KIND_OBJECT, "file", { NULL, NULL, NULL } },
{ "GtkWidget", "can-focus", GTK_TYPE_WIDGET, PROP_KIND_OBJECT, "focusable", { NULL, NULL, NULL } },
};
int i, k, l;
PropKind kind;
int prop_name_index = 0;
GType type;
char *canonical_name;
kind = get_prop_kind (element);
class_name = get_class_name (element);
property_name = NULL;
for (i = 0; element->attribute_names[i]; i++)
{
if (strcmp (element->attribute_names[i], "name") == 0)
{
prop_name_index = i;
property_name = (const char *)element->attribute_values[i];
}
}
if (property_name == NULL)
return;
type = g_type_from_name (class_name);
canonical_name = g_strdup (property_name);
g_strdelimit (canonical_name, "_", '-');
for (k = 0; k < G_N_ELEMENTS (props); k++)
{
if (g_type_is_a (type, props[k].type) &&
strcmp (canonical_name, props[k].property) == 0 &&
kind == props[k].kind)
{
g_free (element->attribute_values[prop_name_index]);
element->attribute_values[prop_name_index] = g_strdup (props[k].new_name);
for (l = 0; l < 3 && props[k].alt_names[l]; l++)
{
Element *elt;
GList *sibling;
elt = g_new0 (Element, 1);
elt->parent = element->parent;
elt->element_name = g_strdup (element->element_name);
elt->attribute_names = g_strdupv ((char **) element->attribute_names);
elt->attribute_values = g_strdupv ((char **) element->attribute_values);
elt->data = g_strdup (element->data);
g_free (elt->attribute_values[prop_name_index]);
elt->attribute_values[prop_name_index] = g_strdup (props[k].alt_names[l]);
sibling = g_list_find (element->parent->children, element);
element->parent->children = g_list_insert_before (element->parent->children,
sibling,
elt);
}
break;
}
}
g_free (canonical_name);
}
static Element *
rewrite_stack_child (Element *child, MyParserData *data)
{
Element *object = NULL;
Element *packing = NULL;
Element *new_object;
Element *prop;
GList *l;
if (!g_str_equal (child->element_name, "child"))
return child;
for (l = child->children; l; l = l->next)
{
Element *elt = l->data;
if (g_str_equal (elt->element_name, "object"))
object = elt;
else if (g_str_equal (elt->element_name, "packing"))
packing = elt;
}
if (!packing)
return child;
new_object = g_new0 (Element, 1);
new_object->element_name = g_strdup ("object");
new_object->attribute_names = g_new0 (char *, 2);
new_object->attribute_names[0] = g_strdup ("class");
new_object->attribute_values = g_new0 (char *, 2);
new_object->attribute_values[0] = g_strdup ("GtkStackPage");
new_object->children = packing->children;
new_object->parent = child;
packing->children = NULL;
prop = g_new0 (Element, 1);
prop->element_name = g_strdup ("property");
prop->attribute_names = g_new0 (char *, 2);
prop->attribute_names[0] = g_strdup ("name");
prop->attribute_values = g_new0 (char *, 2);
prop->attribute_values[0] = g_strdup ("child");
prop->children = g_list_append (prop->children, object);
prop->parent = new_object;
new_object->children = g_list_append (new_object->children, prop);
g_list_free (child->children);
child->children = g_list_append (NULL, new_object);
return child;
}
static void
rewrite_stack (Element *element,
MyParserData *data)
{
GList *l, *new_children;
new_children = NULL;
for (l = element->children; l; l = l->next)
{
Element *child = l->data;
new_children = g_list_append (new_children, rewrite_stack_child (child, data));
}
g_list_free (element->children);
element->children = new_children;
}
static Element *
rewrite_assistant_child (Element *child, MyParserData *data)
{
Element *object = NULL;
Element *packing = NULL;
Element *new_object;
Element *prop;
GList *l;
if (!g_str_equal (child->element_name, "child"))
return child;
for (l = child->children; l; l = l->next)
{
Element *elt = l->data;
if (g_str_equal (elt->element_name, "object"))
object = elt;
else if (g_str_equal (elt->element_name, "packing"))
packing = elt;
}
if (!packing)
return child;
new_object = g_new0 (Element, 1);
new_object->element_name = g_strdup ("object");
new_object->attribute_names = g_new0 (char *, 2);
new_object->attribute_names[0] = g_strdup ("class");
new_object->attribute_values = g_new0 (char *, 2);
new_object->attribute_values[0] = g_strdup ("GtkAssistantPage");
new_object->children = packing->children;
new_object->parent = child;
packing->children = NULL;
prop = g_new0 (Element, 1);
prop->element_name = g_strdup ("property");
prop->attribute_names = g_new0 (char *, 2);
prop->attribute_names[0] = g_strdup ("name");
prop->attribute_values = g_new0 (char *, 2);
prop->attribute_values[0] = g_strdup ("child");
prop->children = g_list_append (prop->children, object);
prop->parent = new_object;
new_object->children = g_list_append (new_object->children, prop);
g_list_free (child->children);
child->children = g_list_append (NULL, new_object);
return child;
}
static void
rewrite_assistant (Element *element,
MyParserData *data)
{
GList *l, *new_children;
new_children = NULL;
for (l = element->children; l; l = l->next)
{
Element *child = l->data;
new_children = g_list_append (new_children, rewrite_assistant_child (child, data));
}
g_list_free (element->children);
element->children = new_children;
}
static Element *
rewrite_notebook_page (Element *child, Element *tab, MyParserData *data)
{
Element *object = NULL;
Element *tab_obj = NULL;
Element *packing = NULL;
Element *new_object;
Element *prop;
GList *l;
if (!g_str_equal (child->element_name, "child"))
return child;
if (has_attribute (child, "type", "tab") ||
has_attribute (child, "type", "action-start") ||
has_attribute (child, "type", "action-end"))
return child;
for (l = child->children; l; l = l->next)
{
Element *elt = l->data;
if (g_str_equal (elt->element_name, "object"))
object = elt;
else if (g_str_equal (elt->element_name, "packing"))
packing = elt;
else if (g_str_equal (elt->element_name, "placeholder"))
return child;
}
if (!packing && !tab)
return child;
if (tab)
{
for (l = tab->children; l; l = l->next)
{
Element *elt = l->data;
if (g_str_equal (elt->element_name, "object"))
tab_obj = elt;
}
}
new_object = g_new0 (Element, 1);
new_object->element_name = g_strdup ("object");
new_object->attribute_names = g_new0 (char *, 2);
new_object->attribute_names[0] = g_strdup ("class");
new_object->attribute_values = g_new0 (char *, 2);
new_object->attribute_values[0] = g_strdup ("GtkNotebookPage");
new_object->parent = child;
if (packing)
{
new_object->children = packing->children;
packing->children = NULL;
}
prop = g_new0 (Element, 1);
prop->element_name = g_strdup ("property");
prop->attribute_names = g_new0 (char *, 2);
prop->attribute_names[0] = g_strdup ("name");
prop->attribute_values = g_new0 (char *, 2);
prop->attribute_values[0] = g_strdup ("child");
prop->children = g_list_append (prop->children, object);
prop->parent = new_object;
new_object->children = g_list_append (new_object->children, prop);
if (tab_obj)
{
prop = g_new0 (Element, 1);
prop->element_name = g_strdup ("property");
prop->attribute_names = g_new0 (char *, 2);
prop->attribute_names[0] = g_strdup ("name");
prop->attribute_values = g_new0 (char *, 2);
prop->attribute_values[0] = g_strdup ("tab");
prop->children = g_list_append (prop->children, tab_obj);
prop->parent = new_object;
new_object->children = g_list_append (new_object->children, prop);
}
g_list_free (child->children);
child->children = g_list_append (NULL, new_object);
return child;
}
static void
rewrite_notebook (Element *element,
MyParserData *data)
{
GList *l, *new_children;
new_children = NULL;
for (l = element->children; l; l = l->next)
{
Element *child = l->data;
Element *tab = l->next ? l->next->data : NULL;
if (tab && has_attribute (tab, "type", "tab"))
{
new_children = g_list_append (new_children, rewrite_notebook_page (child, tab, data));
l = l->next; /* skip the tab */
}
else
new_children = g_list_append (new_children, rewrite_notebook_page (child, NULL, data));
}
g_list_free (element->children);
element->children = new_children;
}
static void
rewrite_pack_type_child (Element *element,
MyParserData *data)
{
Element *pack_type = 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, "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", "pack-type"))
{
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)
{
char **attnames = g_new0 (char *, g_strv_length (element->attribute_names) + 2);
char **attvalues = g_new0 (char *, g_strv_length (element->attribute_names) + 2);
int i;
for (i = 0; element->attribute_names[i]; i++)
{
attnames[i] = g_strdup (element->attribute_names[i]);
attvalues[i] = g_strdup (element->attribute_values[i]);
}
attnames[i] = g_strdup ("type");
attvalues[i] = g_strdup (pack_type->data);
g_strfreev (element->attribute_names);
g_strfreev (element->attribute_values);
element->attribute_names = attnames;
element->attribute_values = attvalues;
free_element (pack_type);
}
}
static void
rewrite_pack_type (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_pack_type_child (elt, data);
}
}
static void
rewrite_paned_child (Element *element,
MyParserData *data,
Element *child,
const char *suffix)
{
Element *resize = NULL;
Element *shrink = NULL;
GList *l, *ll;
for (l = child->children; l; l = l->next)
{
Element *elt = l->data;
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", "resize"))
resize = elt2;
else if (g_str_equal (elt2->element_name, "property") &&
has_attribute (elt2, "name", "shrink"))
shrink = elt2;
}
if (resize)
elt->children = g_list_remove (elt->children, resize);
if (shrink)
elt->children = g_list_remove (elt->children, shrink);
if (elt->children == NULL)
{
child->children = g_list_remove (child->children, elt);
free_element (elt);
}
}
if (resize || shrink)
break;
}
if (resize)
{
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_strconcat ("resize-", suffix, NULL);
elt->data = g_strdup (resize->data);
element->children = g_list_prepend (element->children, elt);
free_element (resize);
}
if (shrink)
{
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_strconcat ("shrink-", suffix, NULL);
elt->data = g_strdup (shrink->data);
element->children = g_list_prepend (element->children, elt);
free_element (shrink);
}
}
static void
rewrite_paned (Element *element,
MyParserData *data)
{
Element *child1 = NULL;
Element *child2 = NULL;
GList *l;
for (l = element->children; l; l = l->next)
{
Element *elt = l->data;
if (g_str_equal (elt->element_name, "child"))
{
if (child1 == NULL)
child1 = elt;
else if (child2 == NULL)
child2 = elt;
else
break;
}
}
if (child1)
rewrite_paned_child (element, data, child1, "start-child");
if (child2)
rewrite_paned_child (element, data, child2, "end-child");
}
static void
replace_child_by_property (Element *element,
Element *child,
const char *property,
MyParserData *data)
{
Element *obj, *elt;
obj = child->children->data;
g_assert (obj && g_str_equal (obj->element_name, "object"));
child->children = g_list_remove (child->children, obj);
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 (property);
elt->children = g_list_prepend (NULL, obj);
for (GList *l = element->children; l; l = l->next)
{
if (l->data == child)
{
l->data = elt;
elt = NULL;
free_element (child);
break;
}
}
g_assert (elt == NULL);
}
static void
rewrite_start_end_children (Element *element,
MyParserData *data)
{
Element *start_child = NULL;
Element *end_child = NULL;
GList *l;
for (l = element->children; l; l = l->next)
{
Element *child = l->data;
if (!g_str_equal (child->element_name, "child"))
continue;
if (has_attribute (child, "type", "start"))
start_child = child;
else if (has_attribute (child, "type", "end"))
end_child = child;
else if (start_child == NULL)
start_child = child;
else if (end_child == NULL)
end_child = child;
else
g_warning ("%s only accepts two children", get_class_name (element));
}
if (start_child)
replace_child_by_property (element, start_child, "start-child", data);
if (end_child)
replace_child_by_property (element, end_child, "end-child", data);
}
static void
rewrite_start_center_end_children (Element *element,
MyParserData *data)
{
Element *start_child = NULL;
Element *center_child = NULL;
Element *end_child = NULL;
GList *l;
for (l = element->children; l; l = l->next)
{
Element *child = l->data;
if (has_attribute (child, "type", "start"))
start_child = child;
else if (has_attribute (child, "type", "center"))
center_child = child;
else if (has_attribute (child, "type", "end"))
end_child = child;
else if (start_child == NULL)
start_child = child;
else if (center_child == NULL)
center_child = child;
else if (end_child == NULL)
end_child = child;
else
g_warning (_("%s only accepts three children"), get_class_name (element));
}
if (start_child)
replace_child_by_property (element, start_child, "start-widget", data);
if (center_child)
replace_child_by_property (element, center_child, "center-widget", data);
if (end_child)
replace_child_by_property (element, end_child, "end-widget", data);
}
static void
rewrite_dialog (Element *element,
MyParserData *data)
{
Element *content_area = NULL;
Element *vbox = NULL;
Element *action_area = NULL;
GList *l;
for (l = element->children; l; l = l->next)
{
Element *elt = l->data;
if (g_str_equal (elt->element_name, "child") &&
g_strcmp0 (get_attribute_value (elt, "internal-child"), "vbox") == 0)
{
content_area = elt;
break;
}
}
if (!content_area || !content_area->children)
return;
vbox = content_area->children->data;
for (l = vbox->children; l; l = l->next)
{
Element *elt = l->data;
if (g_str_equal (elt->element_name, "child") &&
g_strcmp0 (get_attribute_value (elt, "internal-child"), "action_area") == 0)
{
action_area = elt;
break;
}
}
if (!action_area)
return;
set_attribute_value (content_area, "internal-child", "content_area");
vbox->children = g_list_remove (vbox->children, action_area);
action_area->parent = element;
element->children = g_list_append (element->children, action_area);
for (l = action_area->children; l; l = l->next)
{
Element *elt = l->data;
if (g_str_equal (elt->element_name, "packing"))
{
action_area->children = g_list_remove (action_area->children, elt);
free_element (elt);
break;
}
}
}
static void
rewrite_grid_layout_prop (Element *element,
const char *attr_name,
const char *old_value,
const char *new_value)
{
if (g_str_equal (element->element_name, "property"))
{
char *canonical_name;
canonical_name = g_strdup (old_value);
g_strdelimit (canonical_name, "_", '-');
if (has_attribute (element, attr_name, old_value) ||
has_attribute (element, attr_name, canonical_name))
{
set_attribute_value (element, attr_name, new_value);
}
g_free (canonical_name);
}
}
static void
rewrite_grid_layout (Element *element,
MyParserData *data)
{
struct _Prop {
const char *attr_name;
const char *old_value;
const char *new_value;
} props[] = {
{ "name", "left_attach", "column", },
{ "name", "top_attach", "row", },
{ "name", "width", "column-span", },
{ "name", "height", "row-span", },
};
GList *l, *ll;
for (l = element->children; l; l = l->next)
{
Element *child = l->data;
if (g_str_equal (child->element_name, "child"))
{
Element *object = NULL;
Element *packing = NULL;
for (ll = child->children; ll; ll = ll->next)
{
Element *elt2 = ll->data;
if (g_str_equal (elt2->element_name, "object"))
object = elt2;
if (g_str_equal (elt2->element_name, "packing"))
packing = elt2;
}
if (object && packing)
{
int i;
child->children = g_list_remove (child->children, packing);
g_free (packing->element_name);
packing->element_name = g_strdup ("layout");
packing->parent = object;
object->children = g_list_append (object->children, packing);
for (ll = packing->children; ll; ll = ll->next)
{
Element *elt = ll->data;
for (i = 0; i < G_N_ELEMENTS (props); i++)
rewrite_grid_layout_prop (elt,
props[i].attr_name,
props[i].old_value,
props[i].new_value);
}
}
}
}
}
static Element *
add_element (Element *parent,
const char *element_name)
{
Element *child;
child = g_new0 (Element, 1);
child->parent = parent;
child->element_name = g_strdup (element_name);
child->attribute_names = g_new0 (char *, 1);
child->attribute_values = g_new0 (char *, 1);
parent->children = g_list_prepend (parent->children, child);
return child;
}
static Element *
write_box_prop (Element *element,
Element *parent,
const char *name,
const char *value)
{
if (element)
g_free (element->data);
else
{
element = add_element (parent, "property");
set_attribute_value (element, "name", name);
}
element->data = g_strdup (value);
return element;
}
static void
rewrite_box (Element *element,
MyParserData *data)
{
GList *l, *ll;
GtkOrientation orientation = GTK_ORIENTATION_HORIZONTAL;
if (g_str_equal (get_class_name (element), "GtkVBox"))
write_box_prop (NULL, element, "orientation", "vertical");
if (!g_str_equal (get_class_name (element), "GtkBox"))
set_attribute_value (element, "class", "GtkBox");
for (l = element->children; l; l = l->next)
{
Element *child = l->data;
if (g_str_equal (child->element_name, "property"))
{
if (has_attribute (child, "name", "orientation"))
{
GValue value = G_VALUE_INIT;
if (gtk_builder_value_from_string_type (data->builder,
GTK_TYPE_ORIENTATION,
child->data,
&value,
NULL))
orientation = g_value_get_enum (&value);
}
}
}
for (l = element->children; l; l = l->next)
{
Element *child = l->data;
if (g_str_equal (child->element_name, "child"))
{
Element *object = NULL;
Element *packing = NULL;
for (ll = child->children; ll; ll = ll->next)
{
Element *elt2 = ll->data;
if (g_str_equal (elt2->element_name, "object"))
object = elt2;
if (g_str_equal (elt2->element_name, "packing"))
packing = elt2;
}
if (object && packing)
{
Element *halign = NULL;
Element *hexpand = NULL;
Element *valign = NULL;
Element *vexpand = NULL;
gboolean expand = FALSE;
gboolean fill = TRUE;
for (ll = object->children; ll; ll = ll->next)
{
Element *elt = ll->data;
if (g_str_equal (elt->element_name, "property"))
{
if (has_attribute (elt, "name", "halign"))
halign = elt;
else if (has_attribute (elt, "name", "hexpand"))
hexpand = elt;
else if (has_attribute (elt, "name", "valign"))
valign = elt;
else if (has_attribute (elt, "name", "vexpand"))
vexpand = elt;
}
}
for (ll = packing->children; ll; ll = ll->next)
{
Element *elt = ll->data;
if (has_attribute (elt, "name", "expand"))
{
GValue value = G_VALUE_INIT;
if (gtk_builder_value_from_string_type (data->builder,
G_TYPE_BOOLEAN,
elt->data,
&value,
NULL))
expand = g_value_get_boolean (&value);
}
if (has_attribute (elt, "name", "fill"))
{
GValue value = G_VALUE_INIT;
if (gtk_builder_value_from_string_type (data->builder,
G_TYPE_BOOLEAN,
elt->data,
&value,
NULL))
fill = g_value_get_boolean (&value);
}
}
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
if (expand)
write_box_prop (hexpand, object, "hexpand", "1");
if (!fill)
write_box_prop (halign, object, "halign", "center");
}
else if (orientation == GTK_ORIENTATION_VERTICAL)
{
if (expand)
write_box_prop (vexpand, object, "vexpand", "1");
if (!fill)
write_box_prop (valign, object, "valign", "center");
}
child->children = g_list_remove (child->children, packing);
free_element (packing);
}
}
}
}
static void
rewrite_bin_child (Element *element,
MyParserData *data)
{
GList *l, *ll;
const char *class_name;
GType type;
for (l = element->children; l; l = l->next)
{
Element *child = l->data;
Element *object = NULL;
if (!g_str_equal (child->element_name, "child") ||
has_attribute (child, "type", NULL))
continue;
for (ll = child->children; ll; ll = ll->next)
{
Element *elem = ll->data;
if (!g_str_equal (elem->element_name, "object"))
continue;
class_name = get_attribute_value (elem, "class");
if (!class_name)
continue;
type = g_type_from_name (class_name);
if (!g_type_is_a (type, GTK_TYPE_WIDGET))
continue;
object = elem;
}
if (object)
{
g_free (child->element_name);
g_strfreev (child->attribute_names);
g_strfreev (child->attribute_values);
child->element_name = g_strdup ("property");
child->attribute_names = g_new0 (char *, 2);
child->attribute_names[0] = g_strdup ("name");
child->attribute_values = g_new0 (char *, 2);
child->attribute_values[0] = g_strdup ("child");
break;
}
}
}
static gboolean
remove_boolean_prop (Element *element,
MyParserData *data,
const char *prop_name,
gboolean *value)
{
GList *l;
for (l = element->children; l; l = l->next)
{
Element *child = l->data;
if (g_str_equal (child->element_name, "property") &&
has_attribute (child, "name", prop_name))
{
*value = strcmp (canonical_boolean_value (data, child->data), "1") == 0;
element->children = g_list_remove (element->children, child);
free_element (child);
return TRUE;
}
}
return FALSE;
}
static void
rewrite_radio_button (Element *element,
MyParserData *data)
{
gboolean draw_indicator = TRUE;
if (!remove_boolean_prop (element, data, "draw-indicator", &draw_indicator))
remove_boolean_prop (element, data, "draw_indicator", &draw_indicator);
if (draw_indicator)
set_attribute_value (element, "class", "GtkCheckButton");
else
set_attribute_value (element, "class", "GtkToggleButton");
}
static gboolean
has_prop (Element *element,
MyParserData *data,
const char *prop_name)
{
GList *l;
for (l = element->children; l; l = l->next)
{
Element *child = l->data;
if (g_str_equal (child->element_name, "property") &&
has_attribute (child, "name", prop_name))
return TRUE;
}
return FALSE;
}
static void
rewrite_scale (Element *element,
MyParserData *data)
{
if (!has_prop (element, data, "draw-value") &&
!has_prop (element, data, "draw_value"))
{
Element *child;
child = add_element (element, "property");
set_attribute_value (child, "name", "draw-value");
child->data = g_strdup ("1");
}
}
static void
rewrite_requires (Element *element,
MyParserData *data)
{
if (has_attribute (element, "lib", "gtk+"))
{
set_attribute_value (element, "lib", "gtk");
set_attribute_value (element, "version", "4.0");
}
}
static void
rewrite_overlay (Element *element,
MyParserData *data)
{
GList *l, *ll;
for (l = element->children; l; l = l->next)
{
Element *child = l->data;
if (g_str_equal (child->element_name, "child"))
{
Element *object = NULL;
Element *packing = NULL;
for (ll = child->children; ll; ll = ll->next)
{
Element *elt2 = ll->data;
if (g_str_equal (elt2->element_name, "object"))
object = elt2;
if (g_str_equal (elt2->element_name, "packing"))
packing = elt2;
}
if (object && packing)
{
child->children = g_list_remove (child->children, packing);
for (ll = packing->children; ll; ll = ll->next)
{
Element *elt2 = ll->data;
if (g_str_equal (elt2->element_name, "property") &&
(has_attribute (elt2, "name", "pass-through") ||
has_attribute (elt2, "name", "pass_through")))
{
const char *b = canonical_boolean_value (data, elt2->data);
if (g_str_equal (b, "1"))
{
Element *new_prop;
new_prop = add_element (object, "property");
set_attribute_value (new_prop, "name", "can-target");
new_prop->data = g_strdup ("0");
}
break;
}
}
free_element (packing);
}
}
}
}
static void
rewrite_toolbar (Element *element,
MyParserData *data)
{
GList *l, *ll;
set_attribute_value (element, "class", "GtkBox");
for (l = element->children; l; l = l->next)
{
Element *child = l->data;
if (g_str_equal (child->element_name, "property") &&
(has_attribute (child, "name", "toolbar_style") ||
has_attribute (child, "name", "toolbar-style")))
{
element->children = g_list_remove (element->children, child);
free_element (child);
break;
}
}
for (l = element->children; l; l = l->next)
{
Element *child = l->data;
Element *object = NULL;
Element *packing = NULL;
if (!g_str_equal (child->element_name, "child"))
continue;
for (ll = child->children; ll; ll = ll->next)
{
Element *elt2 = ll->data;
if (g_str_equal (elt2->element_name, "object"))
object = elt2;
if (g_str_equal (elt2->element_name, "packing"))
packing = elt2;
}
if (object)
{
const char *class_name;
class_name = get_class_name (object);
if (g_str_equal (class_name, "GtkToolButton"))
{
set_attribute_value (object, "class", "GtkButton");
}
else if (g_str_equal (class_name, "GtkToggleToolButton") ||
g_str_equal (class_name, "GtkRadioToolButton"))
{
set_attribute_value (object, "class", "GtkToggleButton");
}
else if (g_str_equal (class_name, "GtkSeparatorToolItem"))
{
Element *prop;
set_attribute_value (object, "class", "GtkSeparator");
prop = add_element (object, "property");
set_attribute_value (prop, "name", "orientation");
prop->data = g_strdup ("vertical");
}
}
if (packing)
child->children = g_list_remove (child->children, packing);
}
{
Element *child;
child = add_element (element, "property");
set_attribute_value (child, "name", "css-classes");
child->data = g_strdup ("toolbar");
}
}
static void
rewrite_fixed (Element *element,
MyParserData *data)
{
GList *l, *ll;
for (l = element->children; l; l = l->next)
{
Element *child = l->data;
if (g_str_equal (child->element_name, "child"))
{
Element *object = NULL;
Element *packing = NULL;
for (ll = child->children; ll; ll = ll->next)
{
Element *elt2 = ll->data;
if (g_str_equal (elt2->element_name, "object"))
object = elt2;
if (g_str_equal (elt2->element_name, "packing"))
packing = elt2;
}
if (object && packing)
{
int x = 0;
int y = 0;
Element *layout;
Element *new_prop;
GskTransform *transform;
for (ll = packing->children; ll; ll = ll->next)
{
Element *elt2 = ll->data;
GValue value = G_VALUE_INIT;
if (has_attribute (elt2, "name", "x"))
{
if (gtk_builder_value_from_string_type (data->builder, G_TYPE_INT, elt2->data, &value, NULL))
x = g_value_get_int (&value);
}
else if (has_attribute (elt2, "name", "y"))
{
if (gtk_builder_value_from_string_type (data->builder, G_TYPE_INT, elt2->data, &value, NULL))
y = g_value_get_int (&value);
}
}
child->children = g_list_remove (child->children, packing);
free_element (packing);
layout = add_element (object, "layout");
new_prop = add_element (layout, "property");
set_attribute_value (new_prop, "name", "transform");
transform = gsk_transform_translate (NULL, &GRAPHENE_POINT_INIT (x, y));
new_prop->data = gsk_transform_to_string (transform);
gsk_transform_unref (transform);
}
}
}
}
/* returns TRUE to remove the element from the parent */
static gboolean
simplify_element (Element *element,
MyParserData *data)
{
GList *l;
GType type;
if (!is_pcdata_element (element))
{
g_clear_pointer (&element->data, g_free);
}
else if (g_str_equal (element->element_name, "property"))
{
if (property_is_boolean (element, data))
{
const char *b = canonical_boolean_value (data, element->data);
g_free (element->data);
element->data = g_strdup (b);
}
else if (property_is_enum (element, data, &type))
{
char *e = canonical_enum_value (data, type, element->data);
g_free (element->data);
element->data = e;
}
for (int i = 0; element->attribute_names[i]; i++)
{
if (g_str_equal (element->attribute_names[i], "translatable"))
{
const char *b = canonical_boolean_value (data, element->attribute_values[i]);
g_free (element->attribute_values[i]);
element->attribute_values[i] = g_strdup (b);
break;
}
}
}
l = element->children;
while (l)
{
GList *next = l->next;
Element *child = l->data;
if (simplify_element (child, data))
{
element->children = g_list_remove (element->children, child);
free_element (child);
}
l = next;
}
if (is_container_element (element) && element->children == NULL)
return TRUE;
if (g_str_equal (element->element_name, "property") &&
property_can_be_omitted (element, data))
return TRUE;
if (g_str_equal (element->element_name, "binding"))
{
const char *property_name = get_attribute_value (element, "name");
const char *class_name = get_class_name (element);
if (!get_property_pspec (data, class_name, property_name, PROP_KIND_OBJECT))
warn_missing_property (element, data, class_name, property_name, PROP_KIND_OBJECT);
}
return FALSE;
}
static void
simplify_tree (MyParserData *data)
{
simplify_element (data->root, data);
}
static gboolean
rewrite_element_3to4 (Element *element,
MyParserData *data)
{
GList *l;
l = element->children;
while (l)
{
GList *next = l->next;
Element *child = l->data;
if (rewrite_element_3to4 (child, data))
{
element->children = g_list_remove (element->children, child);
free_element (child);
}
l = next;
}
if (element_is_object_or_template (element) &&
g_str_equal (get_class_name (element), "GtkStack"))
rewrite_stack (element, data);
if (element_is_object_or_template (element) &&
g_str_equal (get_class_name (element), "GtkAssistant"))
rewrite_assistant (element, data);
if (element_is_object_or_template (element) &&
g_str_equal (get_class_name (element), "GtkNotebook"))
rewrite_notebook (element, data);
if (element_is_object_or_template (element) &&
(g_str_equal (get_class_name (element), "GtkActionBar") ||
g_str_equal (get_class_name (element), "GtkHeaderBar")))
rewrite_pack_type (element, data);
if (element_is_object_or_template (element) &&
g_str_equal (get_class_name (element), "GtkToolbar"))
rewrite_toolbar (element, data);
if (element_is_object_or_template (element) &&
g_str_equal (get_class_name (element), "GtkPaned"))
rewrite_paned (element, data);
if (element_is_object_or_template (element) &&
g_str_equal (get_class_name (element), "GtkDialog"))
rewrite_dialog (element, data);
if (element_is_object_or_template (element) &&
g_str_equal (get_class_name (element), "GtkOverlay"))
rewrite_overlay (element, data);
if (element_is_object_or_template (element) &&
g_str_equal (get_class_name (element), "GtkGrid"))
rewrite_grid_layout (element, data);
if (element_is_object_or_template (element) &&
(g_str_equal (get_class_name (element), "GtkHBox") ||
g_str_equal (get_class_name (element), "GtkVBox") ||
g_str_equal (get_class_name (element), "GtkBox")))
rewrite_box (element, data);
if (element_is_object_or_template (element) &&
g_str_equal (get_class_name (element), "GtkFixed"))
rewrite_fixed (element, data);
if (element_is_object_or_template (element) &&
g_str_equal (get_class_name (element), "GtkRadioButton"))
rewrite_radio_button (element, data);
if (element_is_object_or_template (element) &&
g_str_equal (get_class_name (element), "GtkScale"))
rewrite_scale (element, data);
if (g_str_equal (element->element_name, "property"))
maybe_rename_property (element, data);
if (g_str_equal (element->element_name, "property") &&
property_has_been_removed (element, data))
return TRUE;
if (g_str_equal (element->element_name, "requires"))
rewrite_requires (element, data);
return FALSE;
}
static void
rewrite_tree_3to4 (MyParserData *data)
{
rewrite_element_3to4 (data->root, data);
}
static gboolean
rewrite_element (Element *element,
MyParserData *data)
{
GList *l;
l = element->children;
while (l)
{
GList *next = l->next;
Element *child = l->data;
if (rewrite_element (child, data))
{
element->children = g_list_remove (element->children, child);
free_element (child);
}
l = next;
}
if (element_is_object_or_template (element) &&
(g_str_equal (get_class_name (element), "GtkAspectFrame") ||
g_str_equal (get_class_name (element), "GtkComboBox") ||
g_str_equal (get_class_name (element), "GtkComboBoxText") ||
g_str_equal (get_class_name (element), "GtkFlowBoxChild") ||
g_str_equal (get_class_name (element), "GtkFrame") ||
g_str_equal (get_class_name (element), "GtkListBoxRow") ||
g_str_equal (get_class_name (element), "GtkOverlay") ||
g_str_equal (get_class_name (element), "GtkPopover") ||
g_str_equal (get_class_name (element), "GtkPopoverMenu") ||
g_str_equal (get_class_name (element), "GtkRevealer") ||
g_str_equal (get_class_name (element), "GtkScrolledWindow") ||
g_str_equal (get_class_name (element), "GtkSearchBar") ||
g_str_equal (get_class_name (element), "GtkViewport") ||
g_str_equal (get_class_name (element), "GtkWindow")))
rewrite_bin_child (element, data);
if (element_is_object_or_template (element) &&
g_str_equal (get_class_name (element), "GtkPaned"))
rewrite_start_end_children (element, data);
if (element_is_object_or_template (element) &&
g_str_equal (get_class_name (element), "GtkCenterBox"))
rewrite_start_center_end_children (element, data);
return FALSE;
}
static void
rewrite_tree (MyParserData *data)
{
rewrite_element (data->root, data);
}
/* For properties which have changed their default
* value between 3 and 4, we make sure that their
* old default value is present in the tree before
* simplifying it.
*
* So far, this is just GtkWidget::visible,
* changing its default from 0 to 1.
*/
static void
add_old_default_properties (Element *element,
MyParserData *data)
{
const char *class_name;
GType type;
if (!g_str_equal (element->element_name, "object"))
return;
class_name = get_class_name (element);
type = g_type_from_name (class_name);
if (g_type_is_a (type, GTK_TYPE_WIDGET))
{
GList *l;
gboolean has_visible = FALSE;
for (l = element->children; l; l = l->next)
{
Element *prop = l->data;
const char *name = get_attribute_value (prop, "name");
if (g_str_equal (prop->element_name, "property") &&
g_str_equal (name, "visible"))
has_visible = TRUE;
}
if (!has_visible)
{
Element *new_prop;
new_prop = add_element (element, "property");
set_attribute_value (new_prop, "name", "visible");
new_prop->data = g_strdup ("0");
}
}
}
static void
enhance_element (Element *element,
MyParserData *data)
{
GList *l;
if (strcmp (element->element_name, "requires") == 0 &&
has_attribute (element, "lib", "gtk+"))
{
data->has_gtk_requires = TRUE;
}
add_old_default_properties (element, data);
for (l = element->children; l; l = l->next)
{
Element *child = l->data;
enhance_element (child, data);
}
if (element == data->root && !data->has_gtk_requires)
{
Element *requires = add_element (element, "requires");
set_attribute_value (requires, "lib", "gtk+");
set_attribute_value (requires, "version", "3.0");
}
}
static void
enhance_tree (MyParserData *data)
{
enhance_element (data->root, data);
}
static void
dump_element (Element *element,
FILE *output,
int indent)
{
g_fprintf (output, "%*s<%s", indent, "", element->element_name);
if (element->attribute_names[0])
{
int i;
for (i = 0; element->attribute_names[i]; i++)
{
char *escaped = g_markup_escape_text (element->attribute_values[i], -1);
g_fprintf (output, " %s=\"%s\"", element->attribute_names[i], escaped);
g_free (escaped);
}
}
if (element->children || element->data)
{
g_fprintf (output, ">");
if (element->children)
{
GList *l;
g_fprintf (output, "\n");
for (l = element->children; l; l = l->next)
{
Element *child = l->data;
dump_element (child, output, indent + 2);
}
g_fprintf (output, "%*s", indent, "");
}
else
{
if (is_cdata_property (element))
{
g_fprintf (output, "<![CDATA[");
g_fprintf (output, "%s", element->data);
g_fprintf (output, "]]>");
}
else
{
char *escaped = g_markup_escape_text (element->data, -1);
g_fprintf (output, "%s", escaped);
g_free (escaped);
}
}
g_fprintf (output, "</%s>\n", element->element_name);
}
else
g_fprintf (output, "/>\n");
}
static void
write_xml_declaration (FILE *output)
{
g_fprintf (output, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
}
static void
dump_tree (MyParserData *data)
{
write_xml_declaration (data->output);
dump_element (data->root, data->output, 0);
}
static gboolean
simplify_file (const char *filename,
gboolean replace,
gboolean convert3to4)
{
GMarkupParseContext *context;
char *buffer;
MyParserData data;
GError *error = NULL;
data.input_filename = filename;
data.output_filename = NULL;
data.convert3to4 = convert3to4;
data.has_gtk_requires = FALSE;
if (replace)
{
int fd;
fd = g_file_open_tmp ("gtk-builder-tool-XXXXXX", &data.output_filename, NULL);
data.output = fdopen (fd, "w");
}
else
{
data.output = stdout;
}
if (!g_file_get_contents (filename, &buffer, NULL, &error))
{
g_printerr (_("Can’t load “%s”: %s\n"), filename, error->message);
return FALSE;
}
data.root = NULL;
data.current = NULL;
data.value = g_string_new ("");
context = g_markup_parse_context_new (&parser, G_MARKUP_TREAT_CDATA_AS_TEXT, &data, NULL);
if (!g_markup_parse_context_parse (context, buffer, -1, &error))
{
g_printerr (_("Can’t parse “%s”: %s\n"), filename, error->message);
return FALSE;
}
if (!g_markup_parse_context_end_parse (context, &error))
{
g_printerr (_("Can’t parse “%s”: %s\n"), filename, error->message);
return FALSE;
}
if (data.root == NULL)
{
g_printerr (_("Can’t parse “%s”: %s\n"), filename, "");
return FALSE;
}
data.builder = gtk_builder_new ();
if (data.convert3to4)
{
enhance_tree (&data);
rewrite_tree_3to4 (&data);
}
rewrite_tree (&data);
simplify_tree (&data);
dump_tree (&data);
fclose (data.output);
if (data.output_filename)
{
char *content;
gsize length;
if (!g_file_get_contents (data.output_filename, &content, &length, &error))
{
g_printerr (_("Failed to read “%s”: %s\n"), data.output_filename, error->message);
return FALSE;
}
if (!g_file_set_contents (data.input_filename, content, length, &error))
{
g_printerr (_("Failed to write “%s”: “%s”\n"), data.input_filename, error->message);
return FALSE;
}
}
return TRUE;
}
void
do_simplify (int *argc,
const char ***argv)
{
gboolean replace = FALSE;
gboolean convert3to4 = FALSE;
char **filenames = NULL;
GOptionContext *context;
const GOptionEntry entries[] = {
{ "replace", 0, 0, G_OPTION_ARG_NONE, &replace, N_("Replace the file"), NULL },
{ "3to4", 0, 0, G_OPTION_ARG_NONE, &convert3to4, N_("Convert from GTK 3 to GTK 4"), NULL },
{ G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &filenames, NULL, N_("FILE") },
{ NULL, }
};
GError *error = NULL;
int i;
g_set_prgname ("gtk4-builder-tool simplify");
context = g_option_context_new (NULL);
g_option_context_set_translation_domain (context, GETTEXT_PACKAGE);
g_option_context_add_main_entries (context, entries, NULL);
g_option_context_set_summary (context, _("Simplify the file."));
if (!g_option_context_parse (context, argc, (char ***)argv, &error))
{
g_printerr ("%s\n", error->message);
g_error_free (error);
exit (1);
}
g_option_context_free (context);
if (filenames == NULL)
{
g_printerr (_("No .ui file specified\n"));
exit (1);
}
if (g_strv_length (filenames) > 1 && !replace)
{
g_printerr (_("Can only simplify a single .ui file without --replace\n"));
exit (1);
}
for (i = 0; filenames[i]; i++)
{
if (!simplify_file (filenames[i], replace, convert3to4))
exit (1);
}
g_strfreev (filenames);
}
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