Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/harfbuzz/src/hb-multimap.hh @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1 /*
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2 * Copyright © 2022 Behdad Esfahbod
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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
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25 #ifndef HB_MULTIMAP_HH
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26 #define HB_MULTIMAP_HH
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27
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28 #include "hb.hh"
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29 #include "hb-map.hh"
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30 #include "hb-vector.hh"
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32
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33 /*
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34 * hb_multimap_t
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35 */
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36
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37 struct hb_multimap_t
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38 {
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39 void add (hb_codepoint_t k, hb_codepoint_t v)
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40 {
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41 hb_codepoint_t *i;
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42 if (multiples_indices.has (k, &i))
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43 {
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44 multiples_values[*i].push (v);
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45 return;
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46 }
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47
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48 hb_codepoint_t *old_v;
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49 if (singulars.has (k, &old_v))
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50 {
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51 hb_codepoint_t old = *old_v;
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52 singulars.del (k);
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53
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54 multiples_indices.set (k, multiples_values.length);
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55 auto *vec = multiples_values.push ();
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56
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57 vec->push (old);
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58 vec->push (v);
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59
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60 return;
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61 }
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62
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63 singulars.set (k, v);
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64 }
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66 hb_array_t<const hb_codepoint_t> get (hb_codepoint_t k) const
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67 {
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68 hb_codepoint_t *v;
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69 if (singulars.has (k, &v))
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70 return hb_array (v, 1);
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71
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72 hb_codepoint_t *i;
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73 if (multiples_indices.has (k, &i))
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74 return multiples_values[*i].as_array ();
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75
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76 return hb_array_t<hb_codepoint_t> ();
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77 }
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79 bool in_error () const
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80 {
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81 return singulars.in_error () || multiples_indices.in_error () || multiples_values.in_error ();
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82 }
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83
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84 protected:
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85 hb_map_t singulars;
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86 hb_map_t multiples_indices;
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87 hb_vector_t<hb_vector_t<hb_codepoint_t>> multiples_values;
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88 };
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92 #endif /* HB_MULTIMAP_HH */