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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 typedef struct hb_map_t hb_map_t;
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45
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46
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47 HB_EXTERN hb_map_t *
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48 hb_map_create (void);
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49
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50 HB_EXTERN hb_map_t *
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51 hb_map_get_empty (void);
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52
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53 HB_EXTERN hb_map_t *
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54 hb_map_reference (hb_map_t *map);
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55
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56 HB_EXTERN void
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57 hb_map_destroy (hb_map_t *map);
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58
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59 HB_EXTERN hb_bool_t
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60 hb_map_set_user_data (hb_map_t *map,
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61 hb_user_data_key_t *key,
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62 void * data,
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63 hb_destroy_func_t destroy,
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64 hb_bool_t replace);
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65
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66 HB_EXTERN void *
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67 hb_map_get_user_data (hb_map_t *map,
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68 hb_user_data_key_t *key);
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69
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70
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71 /* Returns false if allocation has failed before */
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72 HB_EXTERN hb_bool_t
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73 hb_map_allocation_successful (const hb_map_t *map);
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74
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75 HB_EXTERN void
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76 hb_map_clear (hb_map_t *map);
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77
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78 HB_EXTERN hb_bool_t
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79 hb_map_is_empty (const hb_map_t *map);
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80
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81 HB_EXTERN unsigned int
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82 hb_map_get_population (const hb_map_t *map);
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83
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84 HB_EXTERN void
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85 hb_map_set (hb_map_t *map,
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86 hb_codepoint_t key,
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87 hb_codepoint_t value);
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88
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89 HB_EXTERN hb_codepoint_t
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90 hb_map_get (const hb_map_t *map,
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91 hb_codepoint_t key);
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92
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93 HB_EXTERN void
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94 hb_map_del (hb_map_t *map,
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95 hb_codepoint_t key);
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96
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97 HB_EXTERN hb_bool_t
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98 hb_map_has (const hb_map_t *map,
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99 hb_codepoint_t key);
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100
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101
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102 HB_END_DECLS
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103
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104 #endif /* HB_MAP_H */
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