third_party/harfbuzz-ng/src/hb-set.cc

   1 /*
   2  * Copyright © 2012  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 #include "hb-set-private.hh"
  28
  29
  30 /* Public API */
  31
  32
  33 hb_set_t *
  34 hb_set_create (void)
  35 {
  36   hb_set_t *set;
  37
  38   if (!(set = hb_object_create<hb_set_t> ()))
  39     return hb_set_get_empty ();
  40
  41   set->clear ();
  42
  43   return set;
  44 }
  45
  46 hb_set_t *
  47 hb_set_get_empty (void)
  48 {
  49   static const hb_set_t _hb_set_nil = {
  50     HB_OBJECT_HEADER_STATIC,
  51     true, /* in_error */
  52
  53     {0} /* elts */
  54   };
  55
  56   return const_cast<hb_set_t *> (&_hb_set_nil);
  57 }
  58
  59 hb_set_t *
  60 hb_set_reference (hb_set_t *set)
  61 {
  62   return hb_object_reference (set);
  63 }
  64
  65 void
  66 hb_set_destroy (hb_set_t *set)
  67 {
  68   if (!hb_object_destroy (set)) return;
  69
  70   set->fini ();
  71
  72   free (set);
  73 }
  74
  75 hb_bool_t
  76 hb_set_set_user_data (hb_set_t           *set,
  77                       hb_user_data_key_t *key,
  78                       void *              data,
  79                       hb_destroy_func_t   destroy,
  80                       hb_bool_t           replace)
  81 {
  82   return hb_object_set_user_data (set, key, data, destroy, replace);
  83 }
  84
  85 void *
  86 hb_set_get_user_data (hb_set_t           *set,
  87                       hb_user_data_key_t *key)
  88 {
  89   return hb_object_get_user_data (set, key);
  90 }
  91
  92
  93 hb_bool_t
  94 hb_set_allocation_successful (const hb_set_t  *set HB_UNUSED)
  95 {
  96   return !set->in_error;
  97 }
  98
  99 void
 100 hb_set_clear (hb_set_t *set)
 101 {
 102   set->clear ();
 103 }
 104
 105 hb_bool_t
 106 hb_set_is_empty (const hb_set_t *set)
 107 {
 108   return set->is_empty ();
 109 }
 110
 111 hb_bool_t
 112 hb_set_has (const hb_set_t *set,
 113             hb_codepoint_t  codepoint)
 114 {
 115   return set->has (codepoint);
 116 }
 117
 118 void
 119 hb_set_add (hb_set_t       *set,
 120             hb_codepoint_t  codepoint)
 121 {
 122   set->add (codepoint);
 123 }
 124
 125 void
 126 hb_set_add_range (hb_set_t       *set,
 127                   hb_codepoint_t  first,
 128                   hb_codepoint_t  last)
 129 {
 130   set->add_range (first, last);
 131 }
 132
 133 void
 134 hb_set_del (hb_set_t       *set,
 135             hb_codepoint_t  codepoint)
 136 {
 137   set->del (codepoint);
 138 }
 139
 140 void
 141 hb_set_del_range (hb_set_t       *set,
 142                   hb_codepoint_t  first,
 143                   hb_codepoint_t  last)
 144 {
 145   set->del_range (first, last);
 146 }
 147
 148 hb_bool_t
 149 hb_set_is_equal (const hb_set_t *set,
 150                  const hb_set_t *other)
 151 {
 152   return set->is_equal (other);
 153 }
 154
 155 void
 156 hb_set_set (hb_set_t       *set,
 157             const hb_set_t *other)
 158 {
 159   set->set (other);
 160 }
 161
 162 void
 163 hb_set_union (hb_set_t       *set,
 164               const hb_set_t *other)
 165 {
 166   set->union_ (other);
 167 }
 168
 169 void
 170 hb_set_intersect (hb_set_t       *set,
 171                   const hb_set_t *other)
 172 {
 173   set->intersect (other);
 174 }
 175
 176 void
 177 hb_set_subtract (hb_set_t       *set,
 178                  const hb_set_t *other)
 179 {
 180   set->subtract (other);
 181 }
 182
 183 void
 184 hb_set_symmetric_difference (hb_set_t       *set,
 185                              const hb_set_t *other)
 186 {
 187   set->symmetric_difference (other);
 188 }
 189
 190 void
 191 hb_set_invert (hb_set_t *set)
 192 {
 193   set->invert ();
 194 }
 195
 196 unsigned int
 197 hb_set_get_population (const hb_set_t *set)
 198 {
 199   return set->get_population ();
 200 }
 201
 202 hb_codepoint_t
 203 hb_set_get_min (const hb_set_t *set)
 204 {
 205   return set->get_min ();
 206 }
 207
 208 hb_codepoint_t
 209 hb_set_get_max (const hb_set_t *set)
 210 {
 211   return set->get_max ();
 212 }
 213
 214 hb_bool_t
 215 hb_set_next (const hb_set_t *set,
 216              hb_codepoint_t *codepoint)
 217 {
 218   return set->next (codepoint);
 219 }
 220
 221 hb_bool_t
 222 hb_set_next_range (const hb_set_t *set,
 223                    hb_codepoint_t *first,
 224                    hb_codepoint_t *last)
 225 {
 226   return set->next_range (first, last);
 227 }