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css: Speed up name matching

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We use the new g_type_get_type_registration_serial() so that we can
cache and properly invalidate the result of g_type_from_name().

This bumps the glib requirement to 2.35.3 to get the new function.

https://bugzilla.gnome.org/show_bug.cgi?id=689847
This commit is contained in:
Alexander Larsson 2012-12-10 12:57:10 +01:00
parent 089eafb468
commit a1ee2b7b82
4 changed files with 93 additions and 29 deletions
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2
configure.ac
View File

@ -39,7 +39,7 @@ AC_CONFIG_AUX_DIR([build-aux])
m4_define([gtk_binary_version], [3.0.0])
# required versions of other packages
m4_define([glib_required_version], [2.35.0])
m4_define([glib_required_version], [2.35.3])
m4_define([pango_required_version], [1.32.4])
m4_define([atk_required_version], [2.5.3])
m4_define([cairo_required_version], [1.10.0])

24
gtk/gtkcssmatcher.c
View File

@ -62,13 +62,11 @@ gtk_css_matcher_widget_path_get_state (const GtkCssMatcher *matcher)
}
static gboolean
gtk_css_matcher_widget_path_has_name (const GtkCssMatcher *matcher,
const char *name)
gtk_css_matcher_widget_path_has_type (const GtkCssMatcher *matcher,
GType type)
{
const GtkWidgetPath *siblings;
GType type;
type = g_type_from_name (name);
siblings = gtk_widget_path_iter_get_siblings (matcher->path.path, matcher->path.index);
if (siblings && matcher->path.sibling_index != gtk_widget_path_iter_get_sibling_index (matcher->path.path, matcher->path.index))
return g_type_is_a (gtk_widget_path_iter_get_object_type (siblings, matcher->path.sibling_index), type);
@ -179,7 +177,7 @@ static const GtkCssMatcherClass GTK_CSS_MATCHER_WIDGET_PATH = {
gtk_css_matcher_widget_path_get_parent,
gtk_css_matcher_widget_path_get_previous,
gtk_css_matcher_widget_path_get_state,
gtk_css_matcher_widget_path_has_name,
gtk_css_matcher_widget_path_has_type,
gtk_css_matcher_widget_path_has_class,
gtk_css_matcher_widget_path_has_id,
gtk_css_matcher_widget_path_has_regions,
@ -236,8 +234,8 @@ gtk_css_matcher_any_get_state (const GtkCssMatcher *matcher)
}
static gboolean
gtk_css_matcher_any_has_name (const GtkCssMatcher *matcher,
const char *name)
gtk_css_matcher_any_has_type (const GtkCssMatcher *matcher,
GType type)
{
return TRUE;
}
@ -283,7 +281,7 @@ static const GtkCssMatcherClass GTK_CSS_MATCHER_ANY = {
gtk_css_matcher_any_get_parent,
gtk_css_matcher_any_get_previous,
gtk_css_matcher_any_get_state,
gtk_css_matcher_any_has_name,
gtk_css_matcher_any_has_type,
gtk_css_matcher_any_has_class,
gtk_css_matcher_any_has_id,
gtk_css_matcher_any_has_regions,
@ -332,11 +330,11 @@ gtk_css_matcher_superset_get_state (const GtkCssMatcher *matcher)
}
static gboolean
gtk_css_matcher_superset_has_name (const GtkCssMatcher *matcher,
const char *name)
gtk_css_matcher_superset_has_type (const GtkCssMatcher *matcher,
GType type)
{
if (matcher->superset.relevant & GTK_CSS_CHANGE_NAME)
return _gtk_css_matcher_has_name (matcher->superset.subset, name);
return _gtk_css_matcher_has_type (matcher->superset.subset, type);
else
return TRUE;
}
@ -402,7 +400,7 @@ static const GtkCssMatcherClass GTK_CSS_MATCHER_SUPERSET = {
gtk_css_matcher_superset_get_parent,
gtk_css_matcher_superset_get_previous,
gtk_css_matcher_superset_get_state,
gtk_css_matcher_superset_has_name,
gtk_css_matcher_superset_has_type,
gtk_css_matcher_superset_has_class,
gtk_css_matcher_superset_has_id,
gtk_css_matcher_superset_has_regions,

10
gtk/gtkcssmatcherprivate.h
View File

@ -36,8 +36,8 @@ struct _GtkCssMatcherClass {
const GtkCssMatcher *next);
GtkStateFlags (* get_state) (const GtkCssMatcher *matcher);
gboolean (* has_name) (const GtkCssMatcher *matcher,
const char *name);
gboolean (* has_type) (const GtkCssMatcher *matcher,
GType type);
gboolean (* has_class) (const GtkCssMatcher *matcher,
GQuark class_name);
gboolean (* has_id) (const GtkCssMatcher *matcher,
@ -103,10 +103,10 @@ _gtk_css_matcher_get_state (const GtkCssMatcher *matcher)
}
static inline gboolean
_gtk_css_matcher_has_name (const GtkCssMatcher *matcher,
const char *name)
_gtk_css_matcher_has_type (const GtkCssMatcher *matcher,
GType type)
{
return matcher->klass->has_name (matcher, name);
return matcher->klass->has_type (matcher, type);
}
static inline gboolean

86
gtk/gtkcssselector.c
View File

@ -682,18 +682,74 @@ static const GtkCssSelectorClass GTK_CSS_SELECTOR_ANY = {
/* NAME */
typedef struct {
GType type;
const char *name;
} TypeReference;
static GHashTable *type_refs_ht = NULL;
static guint type_refs_last_serial = 0;
static TypeReference *
get_type_reference (const char *name)
{
TypeReference *ref;
if (type_refs_ht == NULL)
type_refs_ht = g_hash_table_new (g_str_hash, g_str_equal);
ref = g_hash_table_lookup (type_refs_ht, name);
if (ref != NULL)
return ref;
ref = g_slice_new (TypeReference);
ref->name = g_intern_string (name);
ref->type = g_type_from_name (ref->name);
g_hash_table_insert (type_refs_ht,
(gpointer)ref->name, ref);
return ref;
}
static void
update_type_references (void)
{
GHashTableIter iter;
guint serial;
gpointer value;
serial = g_type_get_type_registration_serial ();
if (serial == type_refs_last_serial)
return;
type_refs_last_serial = serial;
g_hash_table_iter_init (&iter, type_refs_ht);
while (g_hash_table_iter_next (&iter,
NULL, &value))
{
TypeReference *ref = value;
if (ref->type == G_TYPE_INVALID)
ref->type = g_type_from_name (ref->name);
}
}
static void
gtk_css_selector_name_print (const GtkCssSelector *selector,
GString *string)
{
g_string_append (string, selector->data);
g_string_append (string, ((TypeReference *)selector->data)->name);
}
static gboolean
gtk_css_selector_name_match (const GtkCssSelector *selector,
const GtkCssMatcher *matcher)
{
if (!_gtk_css_matcher_has_name (matcher, selector->data))
if (!_gtk_css_matcher_has_type (matcher, ((TypeReference *)selector->data)->type))
return FALSE;
return gtk_css_selector_match (gtk_css_selector_previous (selector), matcher);
@ -704,7 +760,7 @@ gtk_css_selector_name_tree_match (const GtkCssSelectorTree *tree,
const GtkCssMatcher *matcher,
GHashTable *res)
{
if (!_gtk_css_matcher_has_name (matcher, tree->selector.data))
if (!_gtk_css_matcher_has_type (matcher, ((TypeReference *)tree->selector.data)->type))
return;
gtk_css_selector_tree_found_match (tree, res);
@ -718,7 +774,7 @@ gtk_css_selector_name_tree_get_change (const GtkCssSelectorTree *tree,
{
GtkCssChange change, previous_change;
if (!_gtk_css_matcher_has_name (matcher, tree->selector.data))
if (!_gtk_css_matcher_has_type (matcher, ((TypeReference *)tree->selector.data)->type))
return 0;
change = 0;
@ -745,7 +801,8 @@ static int
gtk_css_selector_name_compare_one (const GtkCssSelector *a,
const GtkCssSelector *b)
{
return strcmp (a->data, b->data);
return strcmp (((TypeReference *)a->data)->name,
((TypeReference *)b->data)->name);
}
static const GtkCssSelectorClass GTK_CSS_SELECTOR_NAME = {
@ -1805,11 +1862,14 @@ try_parse_name (GtkCssParser *parser,
name = _gtk_css_parser_try_ident (parser, FALSE);
if (name)
{
selector = gtk_css_selector_new (_gtk_style_context_check_region_name (name)
? &GTK_CSS_SELECTOR_REGION
: &GTK_CSS_SELECTOR_NAME,
selector,
g_intern_string (name));
if (_gtk_style_context_check_region_name (name))
selector = gtk_css_selector_new (&GTK_CSS_SELECTOR_REGION,
selector,
g_intern_string (name));
else
selector = gtk_css_selector_new (&GTK_CSS_SELECTOR_NAME,
selector,
get_type_reference (name));
g_free (name);
}
else if (_gtk_css_parser_try (parser, "*", FALSE))
@ -1916,6 +1976,8 @@ _gtk_css_selector_tree_match_get_change (const GtkCssSelectorTree *tree)
{
GtkCssChange change = 0;
update_type_references ();
while (tree)
{
change = tree->selector.class->get_change (&tree->selector, change);
@ -1947,6 +2009,8 @@ _gtk_css_selector_matches (const GtkCssSelector *selector,
g_return_val_if_fail (selector != NULL, FALSE);
g_return_val_if_fail (matcher != NULL, FALSE);
update_type_references ();
return gtk_css_selector_match (selector, matcher);
}
@ -2085,6 +2149,8 @@ _gtk_css_selector_tree_match_all (const GtkCssSelectorTree *tree,
GHashTableIter iter;
gpointer key;
update_type_references ();
res = g_hash_table_new (g_direct_hash, g_direct_equal);
for (; tree != NULL;