1 /* 2 * Copyright © 2018 Google, Inc. 3 * 4 * This is part of HarfBuzz, a text shaping library. 5 * 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. 11 * 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 16 * DAMAGE. 17 * 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. 23 * 24 * Google Author(s): Behdad Esfahbod 25 */ 26 27 #ifndef HB_H_IN 28 #error "Include <hb.h> instead." 29 #endif 30 31 #ifndef HB_MAP_H 32 #define HB_MAP_H 33 34 #include "hb-common.h" 35 36 HB_BEGIN_DECLS 37 38 39 /* 40 * Since: 1.7.7 41 */ 42 #define HB_MAP_VALUE_INVALID ((hb_codepoint_t) -1) 43 44 typedef struct hb_map_t hb_map_t; 45 46 47 HB_EXTERN hb_map_t * 48 hb_map_create (void); 49 50 HB_EXTERN hb_map_t * 51 hb_map_get_empty (void); 52 53 HB_EXTERN hb_map_t * 54 hb_map_reference (hb_map_t *map); 55 56 HB_EXTERN void 57 hb_map_destroy (hb_map_t *map); 58 59 HB_EXTERN hb_bool_t 60 hb_map_set_user_data (hb_map_t *map, 61 hb_user_data_key_t *key, 62 void * data, 63 hb_destroy_func_t destroy, 64 hb_bool_t replace); 65 66 HB_EXTERN void * 67 hb_map_get_user_data (hb_map_t *map, 68 hb_user_data_key_t *key); 69 70 71 /* Returns false if allocation has failed before */ 72 HB_EXTERN hb_bool_t 73 hb_map_allocation_successful (const hb_map_t *map); 74 75 HB_EXTERN void 76 hb_map_clear (hb_map_t *map); 77 78 HB_EXTERN hb_bool_t 79 hb_map_is_empty (const hb_map_t *map); 80 81 HB_EXTERN unsigned int 82 hb_map_get_population (const hb_map_t *map); 83 84 HB_EXTERN void 85 hb_map_set (hb_map_t *map, 86 hb_codepoint_t key, 87 hb_codepoint_t value); 88 89 HB_EXTERN hb_codepoint_t 90 hb_map_get (const hb_map_t *map, 91 hb_codepoint_t key); 92 93 HB_EXTERN void 94 hb_map_del (hb_map_t *map, 95 hb_codepoint_t key); 96 97 HB_EXTERN hb_bool_t 98 hb_map_has (const hb_map_t *map, 99 hb_codepoint_t key); 100 101 102 HB_END_DECLS 103 104 #endif /* HB_MAP_H */ 105