2 * Copyright © 2018 Google, Inc.
4 * This is part of HarfBuzz, a text shaping library.
6 * Permission is hereby granted, without written agreement and without
7 * license or royalty fees, to use, copy, modify, and distribute this
8 * software and its documentation for any purpose, provided that the
9 * above copyright notice and the following two paragraphs appear in
10 * all copies of this software.
12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
24 * Google Author(s): Behdad Esfahbod
27 #if !defined(HB_H_IN) && !defined(HB_NO_SINGLE_HEADER_ERROR)
28 #error "Include <hb.h> instead."
34 #include "hb-common.h"
41 * HB_MAP_VALUE_INVALID:
43 * Unset #hb_map_t value.
47 #define HB_MAP_VALUE_INVALID HB_CODEPOINT_INVALID
52 * Data type for holding integer-to-integer hash maps.
55 typedef struct hb_map_t hb_map_t;
62 hb_map_get_empty (void);
65 hb_map_reference (hb_map_t *map);
68 hb_map_destroy (hb_map_t *map);
71 hb_map_set_user_data (hb_map_t *map,
72 hb_user_data_key_t *key,
74 hb_destroy_func_t destroy,
78 hb_map_get_user_data (const hb_map_t *map,
79 hb_user_data_key_t *key);
82 /* Returns false if allocation has failed before */
84 hb_map_allocation_successful (const hb_map_t *map);
87 hb_map_copy (const hb_map_t *map);
90 hb_map_clear (hb_map_t *map);
93 hb_map_is_empty (const hb_map_t *map);
95 HB_EXTERN unsigned int
96 hb_map_get_population (const hb_map_t *map);
99 hb_map_is_equal (const hb_map_t *map,
100 const hb_map_t *other);
102 HB_EXTERN unsigned int
103 hb_map_hash (const hb_map_t *map);
106 hb_map_set (hb_map_t *map,
108 hb_codepoint_t value);
110 HB_EXTERN hb_codepoint_t
111 hb_map_get (const hb_map_t *map,
115 hb_map_del (hb_map_t *map,
119 hb_map_has (const hb_map_t *map,
123 hb_map_update (hb_map_t *map,
124 const hb_map_t *other);
126 /* Pass -1 in for idx to get started. */
128 hb_map_next (const hb_map_t *map,
131 hb_codepoint_t *value);
134 hb_map_keys (const hb_map_t *map,
138 hb_map_values (const hb_map_t *map,
143 #endif /* HB_MAP_H */