| 1 | /* |
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| 2 | * Copyright © 2018 Google, Inc. |
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| 3 | * |
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| 4 | * This is part of HarfBuzz, a text shaping library. |
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| 5 | * |
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| 6 | * Permission is hereby granted, without written agreement and without |
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| 7 | * license or royalty fees, to use, copy, modify, and distribute this |
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| 8 | * software and its documentation for any purpose, provided that the |
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| 9 | * above copyright notice and the following two paragraphs appear in |
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| 10 | * all copies of this software. |
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| 11 | * |
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| 12 | * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
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| 13 | * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
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| 14 | * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
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| 15 | * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
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| 16 | * DAMAGE. |
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| 17 | * |
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| 18 | * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
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| 19 | * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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| 20 | * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
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| 21 | * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
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| 22 | * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
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| 23 | * |
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| 24 | * Google Author(s): Behdad Esfahbod |
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| 25 | */ |
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| 26 | |
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| 27 | #ifndef HB_H_IN |
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| 28 | #error "Include <hb.h> instead." |
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| 29 | #endif |
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| 30 | |
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| 31 | #ifndef HB_MAP_H |
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| 32 | #define HB_MAP_H |
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| 33 | |
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| 34 | #include "hb-common.h" |
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| 35 | |
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| 36 | HB_BEGIN_DECLS |
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| 37 | |
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| 38 | |
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| 39 | /* |
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| 40 | * Since: 1.7.7 |
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| 41 | */ |
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| 42 | #define HB_MAP_VALUE_INVALID ((hb_codepoint_t) -1) |
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| 43 | |
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| 44 | /** |
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| 45 | * hb_map_t: |
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| 46 | * |
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| 47 | * Data type for holding integer-to-integer hash maps. |
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| 48 | * |
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| 49 | **/ |
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| 50 | typedef struct hb_map_t hb_map_t; |
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| 51 | |
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| 52 | |
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| 53 | HB_EXTERN hb_map_t * |
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| 54 | hb_map_create (void); |
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| 55 | |
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| 56 | HB_EXTERN hb_map_t * |
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| 57 | hb_map_get_empty (void); |
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| 58 | |
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| 59 | HB_EXTERN hb_map_t * |
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| 60 | hb_map_reference (hb_map_t *map); |
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| 61 | |
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| 62 | HB_EXTERN void |
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| 63 | hb_map_destroy (hb_map_t *map); |
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| 64 | |
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| 65 | HB_EXTERN hb_bool_t |
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| 66 | hb_map_set_user_data (hb_map_t *map, |
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| 67 | hb_user_data_key_t *key, |
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| 68 | void * data, |
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| 69 | hb_destroy_func_t destroy, |
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| 70 | hb_bool_t replace); |
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| 71 | |
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| 72 | HB_EXTERN void * |
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| 73 | hb_map_get_user_data (hb_map_t *map, |
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| 74 | hb_user_data_key_t *key); |
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| 75 | |
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| 76 | |
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| 77 | /* Returns false if allocation has failed before */ |
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| 78 | HB_EXTERN hb_bool_t |
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| 79 | hb_map_allocation_successful (const hb_map_t *map); |
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| 80 | |
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| 81 | HB_EXTERN void |
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| 82 | hb_map_clear (hb_map_t *map); |
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| 83 | |
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| 84 | HB_EXTERN hb_bool_t |
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| 85 | hb_map_is_empty (const hb_map_t *map); |
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| 86 | |
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| 87 | HB_EXTERN unsigned int |
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| 88 | hb_map_get_population (const hb_map_t *map); |
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| 89 | |
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| 90 | HB_EXTERN void |
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| 91 | hb_map_set (hb_map_t *map, |
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| 92 | hb_codepoint_t key, |
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| 93 | hb_codepoint_t value); |
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| 94 | |
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| 95 | HB_EXTERN hb_codepoint_t |
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| 96 | hb_map_get (const hb_map_t *map, |
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| 97 | hb_codepoint_t key); |
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| 98 | |
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| 99 | HB_EXTERN void |
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| 100 | hb_map_del (hb_map_t *map, |
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| 101 | hb_codepoint_t key); |
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| 102 | |
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| 103 | HB_EXTERN hb_bool_t |
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| 104 | hb_map_has (const hb_map_t *map, |
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| 105 | hb_codepoint_t key); |
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| 106 | |
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| 107 | |
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| 108 | HB_END_DECLS |
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| 109 | |
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| 110 | #endif /* HB_MAP_H */ |
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| 111 | |
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