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/*
* Copyright (C) 2023 GNOME Foundation Inc.
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Alice Mikhaylenko <alicem@gnome.org>
*/
#include "gtkcsscustompropertypoolprivate.h"
struct _GtkCssCustomPropertyPool
{
GObject parent_instance;
GArray *names;
GHashTable *name_mappings;
};
struct _GtkCssCustomPropertyName
{
int ref_count;
char *name;
};
typedef struct _GtkCssCustomPropertyName GtkCssCustomPropertyName;
static GtkCssCustomPropertyPool *instance = NULL;
G_DEFINE_FINAL_TYPE (GtkCssCustomPropertyPool, gtk_css_custom_property_pool, G_TYPE_OBJECT)
static void
clear_custom_property_name (GtkCssCustomPropertyName *name)
{
g_clear_pointer (&name->name, g_free);
}
static void
gtk_css_custom_property_pool_finalize (GObject *object)
{
GtkCssCustomPropertyPool *self = (GtkCssCustomPropertyPool *)object;
g_hash_table_unref (self->name_mappings);
g_array_unref (self->names);
G_OBJECT_CLASS (gtk_css_custom_property_pool_parent_class)->finalize (object);
}
static void
gtk_css_custom_property_pool_class_init (GtkCssCustomPropertyPoolClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gtk_css_custom_property_pool_finalize;
}
static void
gtk_css_custom_property_pool_init (GtkCssCustomPropertyPool *self)
{
self->name_mappings = g_hash_table_new (g_str_hash, g_str_equal);
self->names = g_array_new (FALSE, FALSE, sizeof (GtkCssCustomPropertyName));
g_array_set_clear_func (self->names, (GDestroyNotify) clear_custom_property_name);
}
GtkCssCustomPropertyPool *
gtk_css_custom_property_pool_get (void)
{
if (instance == NULL)
instance = g_object_new (GTK_TYPE_CSS_CUSTOM_PROPERTY_POOL, NULL);
return instance;
}
int
gtk_css_custom_property_pool_add (GtkCssCustomPropertyPool *self,
const char *str)
{
GtkCssCustomPropertyName name;
int id;
id = gtk_css_custom_property_pool_lookup (self, str);
if (id > 0)
return gtk_css_custom_property_pool_ref (self, id);
name.ref_count = 1;
name.name = g_strdup (str);
// TODO reuse slots after they're gone
g_array_append_val (self->names, name);
id = self->names->len;
g_hash_table_insert (self->name_mappings, (char *) name.name, GINT_TO_POINTER (id));
return id;
}
int
gtk_css_custom_property_pool_lookup (GtkCssCustomPropertyPool *self,
const char *str)
{
gpointer id;
id = g_hash_table_lookup (self->name_mappings, str);
return GPOINTER_TO_INT (id);
}
int
gtk_css_custom_property_pool_ref (GtkCssCustomPropertyPool *self,
int id)
{
GtkCssCustomPropertyName *name;
name = &g_array_index (self->names, GtkCssCustomPropertyName, id - 1);
name->ref_count++;
return id;
}
void
gtk_css_custom_property_pool_unref (GtkCssCustomPropertyPool *self,
int id)
{
GtkCssCustomPropertyName *name;
name = &g_array_index (self->names, GtkCssCustomPropertyName, id - 1);
g_assert (name->ref_count > 0);
name->ref_count--;
if (name->ref_count == 0)
{
g_hash_table_remove (self->name_mappings, name->name);
clear_custom_property_name (name);
}
}
const char *
gtk_css_custom_property_pool_get_name (GtkCssCustomPropertyPool *self,
int id)
{
GtkCssCustomPropertyName *name;
name = &g_array_index (self->names, GtkCssCustomPropertyName, id - 1);
return name->name;
}
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