source/libs/cairo/cairo-src/src/cairo-hash-private.h

   1 /* cairo - a vector graphics library with display and print output
   2  *
   3  * Copyright © 2004 Red Hat, Inc.
   4  * Copyright © 2005 Red Hat, Inc.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it either under the terms of the GNU Lesser General Public
   8  * License version 2.1 as published by the Free Software Foundation
   9  * (the "LGPL") or, at your option, under the terms of the Mozilla
  10  * Public License Version 1.1 (the "MPL"). If you do not alter this
  11  * notice, a recipient may use your version of this file under either
  12  * the MPL or the LGPL.
  13  *
  14  * You should have received a copy of the LGPL along with this library
  15  * in the file COPYING-LGPL-2.1; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
  17  * You should have received a copy of the MPL along with this library
  18  * in the file COPYING-MPL-1.1
  19  *
  20  * The contents of this file are subject to the Mozilla Public License
  21  * Version 1.1 (the "License"); you may not use this file except in
  22  * compliance with the License. You may obtain a copy of the License at
  23  * http://www.mozilla.org/MPL/
  24  *
  25  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
  26  * OF ANY KIND, either express or implied. See the LGPL or the MPL for
  27  * the specific language governing rights and limitations.
  28  *
  29  * The Original Code is the cairo graphics library.
  30  *
  31  * The Initial Developer of the Original Code is Red Hat, Inc.
  32  *
  33  * Contributor(s):
  34  *      Keith Packard <keithp@keithp.com>
  35  *      Graydon Hoare <graydon@redhat.com>
  36  *      Carl Worth <cworth@cworth.org>
  37  */
  38
  39 #ifndef CAIRO_HASH_PRIVATE_H
  40 #define CAIRO_HASH_PRIVATE_H
  41
  42 #include "cairo-compiler-private.h"
  43 #include "cairo-types-private.h"
  44
  45 /* XXX: I'd like this file to be self-contained in terms of
  46  * includeability, but that's not really possible with the current
  47  * monolithic cairoint.h. So, for now, just include cairoint.h instead
  48  * if you want to include this file. */
  49
  50 typedef cairo_bool_t
  51 (*cairo_hash_keys_equal_func_t) (const void *key_a, const void *key_b);
  52
  53 typedef cairo_bool_t
  54 (*cairo_hash_predicate_func_t) (const void *entry);
  55
  56 typedef void
  57 (*cairo_hash_callback_func_t) (void *entry,
  58                                void *closure);
  59
  60 cairo_private cairo_hash_table_t *
  61 _cairo_hash_table_create (cairo_hash_keys_equal_func_t keys_equal);
  62
  63 cairo_private void
  64 _cairo_hash_table_destroy (cairo_hash_table_t *hash_table);
  65
  66 cairo_private void *
  67 _cairo_hash_table_lookup (cairo_hash_table_t  *hash_table,
  68                           cairo_hash_entry_t  *key);
  69
  70 cairo_private void *
  71 _cairo_hash_table_random_entry (cairo_hash_table_t         *hash_table,
  72                                 cairo_hash_predicate_func_t predicate);
  73
  74 cairo_private cairo_status_t
  75 _cairo_hash_table_insert (cairo_hash_table_t *hash_table,
  76                           cairo_hash_entry_t *entry);
  77
  78 cairo_private void
  79 _cairo_hash_table_remove (cairo_hash_table_t *hash_table,
  80                           cairo_hash_entry_t *key);
  81
  82 cairo_private void
  83 _cairo_hash_table_foreach (cairo_hash_table_t         *hash_table,
  84                            cairo_hash_callback_func_t  hash_callback,
  85                            void                       *closure);
  86
  87 #endif