2018-10-16 07:53:40 +02:00
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/*
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* Copyright © 2018 Google, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Google Author(s): Behdad Esfahbod
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*/
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#include "hb.hh"
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#include "hb-ot-name-table.hh"
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#include "hb-ot-face.hh"
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2018-10-16 08:32:08 +02:00
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#include "hb-utf.hh"
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2018-10-16 07:53:40 +02:00
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static inline const OT::name_accelerator_t&
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_get_name (hb_face_t *face)
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{
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if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return Null(OT::name_accelerator_t);
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return *(hb_ot_face_data (face)->name.get ());
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}
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unsigned int
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hb_ot_name_get_names (hb_face_t *face,
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const hb_ot_name_entry_t **entries /* OUT */)
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{
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const OT::name_accelerator_t &name = _get_name (face);
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if (entries)
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*entries = name.names.arrayZ();
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return name.names.len;
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}
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2018-10-16 08:09:28 +02:00
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2018-10-16 08:32:08 +02:00
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template <typename utf_t>
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2018-10-17 04:55:17 +02:00
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static inline unsigned int
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2018-10-16 08:32:08 +02:00
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hb_ot_name_get_utf (hb_face_t *face,
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hb_name_id_t name_id,
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hb_language_t language,
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unsigned int *text_size /* IN/OUT */,
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typename utf_t::codepoint_t *text /* OUT */)
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2018-10-16 08:09:28 +02:00
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{
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const OT::name_accelerator_t &name = _get_name (face);
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unsigned int idx = 0; //XXX
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hb_bytes_t bytes = name.table->get_name (idx);
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2018-10-16 08:34:54 +02:00
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if (text_size && *text_size)
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2018-10-16 08:09:28 +02:00
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{
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/* TODO Switch to walking string and validating. */
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memcpy (text, bytes.arrayZ, MIN (*text_size * 2, bytes.len));
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}
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/* XXX Null-terminate. */
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2018-10-16 08:34:54 +02:00
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if (text_size)
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*text_size = bytes.len / 2; //TODO
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2018-10-16 08:09:28 +02:00
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/* TODO Fallback? */
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2018-10-17 04:55:17 +02:00
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return *text_size; //XXX
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2018-10-16 08:09:28 +02:00
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}
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2018-10-16 08:32:08 +02:00
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2018-10-17 04:55:17 +02:00
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unsigned int
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2018-10-16 08:32:08 +02:00
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hb_ot_name_get_utf16 (hb_face_t *face,
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hb_name_id_t name_id,
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hb_language_t language,
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unsigned int *text_size /* IN/OUT */,
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uint16_t *text /* OUT */)
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{
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return hb_ot_name_get_utf<hb_utf16_t> (face, name_id, language, text_size, text);
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}
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