mirror of
https://gitlab.gnome.org/GNOME/glib.git
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d68e7bc84a
Add functions to steal all the keys or values from a ghash (especially useful when it's used as a set), passing the ownership of then to a GPtrArray container that preserves the destroy notify functions.
207 lines
8.4 KiB
C
207 lines
8.4 KiB
C
/* GLIB - Library of useful routines for C programming
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GLib Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GLib Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GLib at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#ifndef __G_HASH_H__
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#define __G_HASH_H__
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#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
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#error "Only <glib.h> can be included directly."
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#endif
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#include <glib/gtypes.h>
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#include <glib/garray.h>
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#include <glib/glist.h>
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G_BEGIN_DECLS
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typedef struct _GHashTable GHashTable;
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typedef gboolean (*GHRFunc) (gpointer key,
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gpointer value,
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gpointer user_data);
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typedef struct _GHashTableIter GHashTableIter;
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struct _GHashTableIter
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{
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/*< private >*/
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gpointer dummy1;
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gpointer dummy2;
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gpointer dummy3;
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int dummy4;
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gboolean dummy5;
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gpointer dummy6;
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};
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GLIB_AVAILABLE_IN_ALL
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GHashTable* g_hash_table_new (GHashFunc hash_func,
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GEqualFunc key_equal_func);
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GLIB_AVAILABLE_IN_ALL
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GHashTable* g_hash_table_new_full (GHashFunc hash_func,
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GEqualFunc key_equal_func,
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GDestroyNotify key_destroy_func,
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GDestroyNotify value_destroy_func);
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GLIB_AVAILABLE_IN_2_72
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GHashTable *g_hash_table_new_similar (GHashTable *other_hash_table);
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GLIB_AVAILABLE_IN_ALL
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void g_hash_table_destroy (GHashTable *hash_table);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_hash_table_insert (GHashTable *hash_table,
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gpointer key,
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gpointer value);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_hash_table_replace (GHashTable *hash_table,
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gpointer key,
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gpointer value);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_hash_table_add (GHashTable *hash_table,
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gpointer key);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_hash_table_remove (GHashTable *hash_table,
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gconstpointer key);
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GLIB_AVAILABLE_IN_ALL
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void g_hash_table_remove_all (GHashTable *hash_table);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_hash_table_steal (GHashTable *hash_table,
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gconstpointer key);
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GLIB_AVAILABLE_IN_2_58
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gboolean g_hash_table_steal_extended (GHashTable *hash_table,
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gconstpointer lookup_key,
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gpointer *stolen_key,
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gpointer *stolen_value);
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GLIB_AVAILABLE_IN_ALL
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void g_hash_table_steal_all (GHashTable *hash_table);
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GLIB_AVAILABLE_IN_2_76
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GPtrArray * g_hash_table_steal_all_keys (GHashTable *hash_table);
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GLIB_AVAILABLE_IN_2_76
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GPtrArray * g_hash_table_steal_all_values (GHashTable *hash_table);
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GLIB_AVAILABLE_IN_ALL
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gpointer g_hash_table_lookup (GHashTable *hash_table,
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gconstpointer key);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_hash_table_contains (GHashTable *hash_table,
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gconstpointer key);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_hash_table_lookup_extended (GHashTable *hash_table,
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gconstpointer lookup_key,
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gpointer *orig_key,
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gpointer *value);
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GLIB_AVAILABLE_IN_ALL
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void g_hash_table_foreach (GHashTable *hash_table,
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GHFunc func,
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gpointer user_data);
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GLIB_AVAILABLE_IN_ALL
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gpointer g_hash_table_find (GHashTable *hash_table,
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GHRFunc predicate,
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gpointer user_data);
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GLIB_AVAILABLE_IN_ALL
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guint g_hash_table_foreach_remove (GHashTable *hash_table,
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GHRFunc func,
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gpointer user_data);
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GLIB_AVAILABLE_IN_ALL
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guint g_hash_table_foreach_steal (GHashTable *hash_table,
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GHRFunc func,
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gpointer user_data);
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GLIB_AVAILABLE_IN_ALL
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guint g_hash_table_size (GHashTable *hash_table);
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GLIB_AVAILABLE_IN_ALL
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GList * g_hash_table_get_keys (GHashTable *hash_table);
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GLIB_AVAILABLE_IN_ALL
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GList * g_hash_table_get_values (GHashTable *hash_table);
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GLIB_AVAILABLE_IN_2_40
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gpointer * g_hash_table_get_keys_as_array (GHashTable *hash_table,
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guint *length);
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GLIB_AVAILABLE_IN_2_76
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GPtrArray * g_hash_table_get_keys_as_ptr_array (GHashTable *hash_table);
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GLIB_AVAILABLE_IN_2_76
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GPtrArray * g_hash_table_get_values_as_ptr_array (GHashTable *hash_table);
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GLIB_AVAILABLE_IN_ALL
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void g_hash_table_iter_init (GHashTableIter *iter,
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GHashTable *hash_table);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_hash_table_iter_next (GHashTableIter *iter,
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gpointer *key,
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gpointer *value);
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GLIB_AVAILABLE_IN_ALL
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GHashTable* g_hash_table_iter_get_hash_table (GHashTableIter *iter);
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GLIB_AVAILABLE_IN_ALL
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void g_hash_table_iter_remove (GHashTableIter *iter);
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GLIB_AVAILABLE_IN_2_30
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void g_hash_table_iter_replace (GHashTableIter *iter,
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gpointer value);
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GLIB_AVAILABLE_IN_ALL
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void g_hash_table_iter_steal (GHashTableIter *iter);
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GLIB_AVAILABLE_IN_ALL
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GHashTable* g_hash_table_ref (GHashTable *hash_table);
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GLIB_AVAILABLE_IN_ALL
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void g_hash_table_unref (GHashTable *hash_table);
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#define g_hash_table_freeze(hash_table) ((void)0) GLIB_DEPRECATED_MACRO_IN_2_26
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#define g_hash_table_thaw(hash_table) ((void)0) GLIB_DEPRECATED_MACRO_IN_2_26
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/* Hash Functions
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*/
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GLIB_AVAILABLE_IN_ALL
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gboolean g_str_equal (gconstpointer v1,
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gconstpointer v2);
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/* Macro for optimization in the case it is not used as callback function */
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#define g_str_equal(v1, v2) (strcmp ((const char *) (v1), (const char *) (v2)) == 0)
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GLIB_AVAILABLE_IN_ALL
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guint g_str_hash (gconstpointer v);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_int_equal (gconstpointer v1,
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gconstpointer v2);
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GLIB_AVAILABLE_IN_ALL
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guint g_int_hash (gconstpointer v);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_int64_equal (gconstpointer v1,
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gconstpointer v2);
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GLIB_AVAILABLE_IN_ALL
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guint g_int64_hash (gconstpointer v);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_double_equal (gconstpointer v1,
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gconstpointer v2);
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GLIB_AVAILABLE_IN_ALL
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guint g_double_hash (gconstpointer v);
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GLIB_AVAILABLE_IN_ALL
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guint g_direct_hash (gconstpointer v) G_GNUC_CONST;
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GLIB_AVAILABLE_IN_ALL
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gboolean g_direct_equal (gconstpointer v1,
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gconstpointer v2) G_GNUC_CONST;
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G_END_DECLS
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#endif /* __G_HASH_H__ */
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