kc3-lang/harfbuzz/src/test-ot-meta.cc

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• Hash : 75f91987
  Author :
  Date : 2025-07-25T02:39:47
  

  [src/test-*] Use hb_always_assert() which isn't compiled out under NDEBUG
  
  Part of https://github.com/harfbuzz/harfbuzz/issues/5418
  

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• src/test-ot-meta.cc

• /*
   * Copyright © 2019  Ebrahim Byagowi
   *
   *  This is part of HarfBuzz, a text shaping library.
   *
   * Permission is hereby granted, without written agreement and without
   * license or royalty fees, to use, copy, modify, and distribute this
   * software and its documentation for any purpose, provided that the
   * above copyright notice and the following two paragraphs appear in
   * all copies of this software.
   *
   * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
   * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
   * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
   * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
   * DAMAGE.
   *
   * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
   * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
   * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
   * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
   */
  
  #include "hb.hh"
  #include "hb-ot.h"
  
  #ifdef HB_NO_OPEN
  #define hb_blob_create_from_file_or_fail(x)  hb_blob_get_empty ()
  #endif
  
  int
  main (int argc, char **argv)
  {
    if (argc != 2) {
      fprintf (stderr, "usage: %s font-file\n", argv[0]);
      exit (1);
    }
  
    hb_blob_t *blob = hb_blob_create_from_file_or_fail (argv[1]);
    hb_always_assert (blob);
    hb_face_t *face = hb_face_create (blob, 0 /* first face */);
    hb_blob_destroy (blob);
    blob = nullptr;
  
    unsigned int count = 0;
  
  #ifndef HB_NO_META
    count = hb_ot_meta_get_entry_tags (face, 0, nullptr, nullptr);
  
    hb_ot_meta_tag_t *tags = (hb_ot_meta_tag_t *)
  			   malloc (sizeof (hb_ot_meta_tag_t) * count);
    hb_ot_meta_get_entry_tags (face, 0, &count, tags);
    for (unsigned i = 0; i < count; ++i)
    {
      hb_blob_t *entry = hb_ot_meta_reference_entry (face, tags[i]);
      printf ("%c%c%c%c, size: %u: %.*s\n",
  	    HB_UNTAG (tags[i]), hb_blob_get_length (entry),
  	    (int) hb_blob_get_length (entry), hb_blob_get_data (entry, nullptr));
      hb_blob_destroy (entry);
    }
    free (tags);
  #endif
  
    hb_face_destroy (face);
  
    return !count;
  }
  

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