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css: Create and use a tree for css selector matching

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This commit is contained in:
Alexander Larsson 2012-11-28 11:21:06 +01:00
parent daefb12a23
commit 1bfa6593c8
1 changed files with 60 additions and 13 deletions
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73
gtk/gtkcssprovider.c
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@ -1011,6 +1011,7 @@ struct _GtkCssProviderPrivate
GHashTable *keyframes;
GArray *rulesets;
GtkCssSelectorTree *tree;
GResource *resource;
};
@ -1506,17 +1507,41 @@ gtk_css_style_provider_lookup (GtkStyleProviderPrivate *provider,
GtkCssProviderPrivate *priv;
GtkCssRuleset *ruleset;
guint j;
int i;
GPtrArray *tree_rules;
css_provider = GTK_CSS_PROVIDER (provider);
priv = css_provider->priv;
if (priv->rulesets->len == 0)
return;
tree_rules = _gtk_css_selector_tree_match_all (priv->tree, matcher);
for (ruleset = &g_array_index (priv->rulesets, GtkCssRuleset, priv->rulesets->len - 1);
ruleset >= &g_array_index (priv->rulesets, GtkCssRuleset, 0);
ruleset--)
#ifdef VERIFY_TREE
for (i = 0; i < priv->rulesets->len; i++)
{
gboolean found = FALSE;
ruleset = &g_array_index (priv->rulesets, GtkCssRuleset, i);
for (j = 0; j < tree_rules->len; j++)
{
if (ruleset == tree_rules->pdata[j])
{
found = TRUE;
break;
}
}
if (found)
g_assert (gtk_css_ruleset_matches (ruleset, matcher));
else
g_assert (!gtk_css_ruleset_matches (ruleset, matcher));
}
#endif
for (i = tree_rules->len - 1; i >= 0; i--)
{
ruleset = tree_rules->pdata[i];
if (ruleset->styles == NULL)
continue;
@ -1524,9 +1549,6 @@ gtk_css_style_provider_lookup (GtkStyleProviderPrivate *provider,
ruleset->set_styles))
continue;
if (!gtk_css_ruleset_matches (ruleset, matcher))
continue;
for (j = 0; j < ruleset->n_styles; j++)
{
GtkCssStyleProperty *prop = ruleset->styles[j].property;
@ -1544,6 +1566,8 @@ gtk_css_style_provider_lookup (GtkStyleProviderPrivate *provider,
if (_gtk_bitmask_is_empty (_gtk_css_lookup_get_missing (lookup)))
break;
}
g_ptr_array_free (tree_rules, TRUE);
}
static GtkCssChange
@ -1553,26 +1577,28 @@ gtk_css_style_provider_get_change (GtkStyleProviderPrivate *provider,
GtkCssProvider *css_provider;
GtkCssProviderPrivate *priv;
GtkCssChange change = 0;
GPtrArray *tree_rules;
int i;
css_provider = GTK_CSS_PROVIDER (provider);
priv = css_provider->priv;
for (i = priv->rulesets->len - 1; i >= 0; i--)
tree_rules = _gtk_css_selector_tree_match_all (priv->tree, matcher);
for (i = tree_rules->len - 1; i >= 0; i--)
{
GtkCssRuleset *ruleset;
ruleset = &g_array_index (priv->rulesets, GtkCssRuleset, i);
ruleset = tree_rules->pdata[i];
if (ruleset->styles == NULL)
continue;
if (!gtk_css_ruleset_matches (ruleset, matcher))
continue;
change |= gtk_css_ruleset_get_change (ruleset);
}
g_ptr_array_free (tree_rules, TRUE);
return change;
}
@ -1599,6 +1625,7 @@ gtk_css_provider_finalize (GObject *object)
gtk_css_ruleset_clear (&g_array_index (priv->rulesets, GtkCssRuleset, i));
g_array_free (priv->rulesets, TRUE);
_gtk_css_selector_tree_free (priv->tree);
g_hash_table_destroy (priv->symbolic_colors);
g_hash_table_destroy (priv->keyframes);
@ -1736,6 +1763,9 @@ gtk_css_provider_reset (GtkCssProvider *css_provider)
for (i = 0; i < priv->rulesets->len; i++)
gtk_css_ruleset_clear (&g_array_index (priv->rulesets, GtkCssRuleset, i));
g_array_set_size (priv->rulesets, 0);
_gtk_css_selector_tree_free (priv->tree);
priv->tree = NULL;
}
static void
@ -2370,8 +2400,25 @@ static void
gtk_css_provider_postprocess (GtkCssProvider *css_provider)
{
GtkCssProviderPrivate *priv = css_provider->priv;
GtkCssSelectorTreeBuilder *builder;
guint i;
g_array_sort (priv->rulesets, gtk_css_provider_compare_rule);
builder = _gtk_css_selector_tree_builder_new ();
for (i = 0; i < priv->rulesets->len; i++)
{
GtkCssRuleset *ruleset;
ruleset = &g_array_index (priv->rulesets, GtkCssRuleset, i);
_gtk_css_selector_tree_builder_add (builder,
ruleset->selector,
ruleset);
}
priv->tree = _gtk_css_selector_tree_builder_build (builder);
_gtk_css_selector_tree_builder_free (builder);
}
static gboolean