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  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
  88.