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[meta] Add a test program for metadata

This commit is contained in:
Ebrahim Byagowi 2019-07-24 03:08:34 +04:30 committed by Behdad Esfahbod
parent bc65ebbce7
commit 80e246a1f2
2 changed files with 75 additions and 0 deletions
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5
src/Makefile.am
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@ -332,6 +332,7 @@ noinst_PROGRAMS = \
main \
test \
test-buffer-serialize \
test-ot-metadata \
test-ot-name \
test-gpos-size-params \
test-gsub-would-substitute \
@ -350,6 +351,10 @@ test_buffer_serialize_SOURCES = test-buffer-serialize.cc
test_buffer_serialize_CPPFLAGS = $(HBCFLAGS)
test_buffer_serialize_LDADD = libharfbuzz.la $(HBLIBS)
test_ot_metadata_SOURCES = test-ot-metadata.cc
test_ot_metadata_CPPFLAGS = $(HBCFLAGS)
test_ot_metadata_LDADD = libharfbuzz.la $(HBLIBS)
test_ot_name_SOURCES = test-ot-name.cc
test_ot_name_CPPFLAGS = $(HBCFLAGS)
test_ot_name_LDADD = libharfbuzz.la $(HBLIBS)

70
src/test-ot-metadata.cc Normal file
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@ -0,0 +1,70 @@
/*
* 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"
#include <stdlib.h>
#include <stdio.h>
#ifdef HB_NO_OPEN
#define hb_blob_create_from_file(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 (argv[1]);
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_metadata_get_entries (face, 0, nullptr, nullptr);
hb_ot_metadata_t *tags = (hb_ot_metadata_t *)
malloc (sizeof (hb_ot_metadata_t) * count);
hb_ot_metadata_get_entries (face, 0, &count, tags);
for (unsigned i = 0; i < count; ++i)
{
hb_blob_t *entry = hb_ot_metadata_reference_entry (face, tags[i]);
printf ("%c%c%c%c, size: %d: %.*s\n",
HB_UNTAG (tags[i]), hb_blob_get_length (entry),
hb_blob_get_length (entry), hb_blob_get_data (entry, nullptr));
hb_blob_destroy (entry);
}
free (tags);
#endif
hb_face_destroy (face);
return !count;
}