| /* |
| * Copyright © 2018 Google, Inc. |
| * |
| * This is part of HarfBuzz, a text shaping library. |
| * |
| * Permission is hereby granted, without written agreement and without |
| * license or royalty fees, to use, copy, modify, and distribute this |
| * software and its documentation for any purpose, provided that the |
| * above copyright notice and the following two paragraphs appear in |
| * all copies of this software. |
| * |
| * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
| * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
| * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
| * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
| * DAMAGE. |
| * |
| * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
| * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
| * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
| * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
| * |
| * Google Author(s): Behdad Esfahbod |
| */ |
| |
| #if !defined(HB_H_IN) && !defined(HB_NO_SINGLE_HEADER_ERROR) |
| #error "Include <hb.h> instead." |
| #endif |
| |
| #ifndef HB_MAP_H |
| #define HB_MAP_H |
| |
| #include "hb-common.h" |
| |
| HB_BEGIN_DECLS |
| |
| |
| /** |
| * HB_MAP_VALUE_INVALID: |
| * |
| * Unset #hb_map_t value. |
| * |
| * Since: 1.7.7 |
| */ |
| #define HB_MAP_VALUE_INVALID ((hb_codepoint_t) -1) |
| |
| /** |
| * hb_map_t: |
| * |
| * Data type for holding integer-to-integer hash maps. |
| * |
| **/ |
| typedef struct hb_map_t hb_map_t; |
| |
| |
| HB_EXTERN hb_map_t * |
| hb_map_create (void); |
| |
| HB_EXTERN hb_map_t * |
| hb_map_get_empty (void); |
| |
| HB_EXTERN hb_map_t * |
| hb_map_reference (hb_map_t *map); |
| |
| HB_EXTERN void |
| hb_map_destroy (hb_map_t *map); |
| |
| HB_EXTERN hb_bool_t |
| hb_map_set_user_data (hb_map_t *map, |
| hb_user_data_key_t *key, |
| void * data, |
| hb_destroy_func_t destroy, |
| hb_bool_t replace); |
| |
| HB_EXTERN void * |
| hb_map_get_user_data (hb_map_t *map, |
| hb_user_data_key_t *key); |
| |
| |
| /* Returns false if allocation has failed before */ |
| HB_EXTERN hb_bool_t |
| hb_map_allocation_successful (const hb_map_t *map); |
| |
| HB_EXTERN hb_map_t * |
| hb_map_copy (const hb_map_t *map); |
| |
| HB_EXTERN void |
| hb_map_clear (hb_map_t *map); |
| |
| HB_EXTERN hb_bool_t |
| hb_map_is_empty (const hb_map_t *map); |
| |
| HB_EXTERN unsigned int |
| hb_map_get_population (const hb_map_t *map); |
| |
| HB_EXTERN hb_bool_t |
| hb_map_is_equal (const hb_map_t *map, |
| const hb_map_t *other); |
| |
| HB_EXTERN unsigned int |
| hb_map_hash (const hb_map_t *map); |
| |
| HB_EXTERN void |
| hb_map_set (hb_map_t *map, |
| hb_codepoint_t key, |
| hb_codepoint_t value); |
| |
| HB_EXTERN hb_codepoint_t |
| hb_map_get (const hb_map_t *map, |
| hb_codepoint_t key); |
| |
| HB_EXTERN void |
| hb_map_del (hb_map_t *map, |
| hb_codepoint_t key); |
| |
| HB_EXTERN hb_bool_t |
| hb_map_has (const hb_map_t *map, |
| hb_codepoint_t key); |
| |
| |
| HB_END_DECLS |
| |
| #endif /* HB_MAP_H */ |