2018-09-26 17:20:51 +00:00
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/*
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* Copyright © 2018 Ebrahim Byagowi
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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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*/
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <pthread.h>
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#include <hb.h>
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2018-09-26 20:02:45 +00:00
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#include <hb-ft.h>
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2018-09-26 17:20:51 +00:00
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#include <hb-ot.h>
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2018-09-30 16:01:20 +00:00
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static const char *text = "طرحنَما";
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static const char *path =
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2018-09-26 17:20:51 +00:00
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#if defined(__linux__)
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"/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf";
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2018-10-03 15:22:43 +00:00
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#elif defined(__FreeBSD__)
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"/usr/local/share/fonts/dejavu/DejaVuSans.ttf";
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2018-09-26 17:20:51 +00:00
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#elif defined(_WIN32) || defined(_WIN64)
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"C:\\Windows\\Fonts\\tahoma.ttf";
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#elif __APPLE__
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"/Library/Fonts/Tahoma.ttf";
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#endif
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2018-09-30 16:01:20 +00:00
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static int num_threads = 30;
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static int num_iters = 200;
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2018-09-26 17:20:51 +00:00
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2018-09-30 16:01:20 +00:00
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static hb_font_t *font;
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static hb_buffer_t *ref_buffer;
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2018-09-26 17:20:51 +00:00
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2018-10-02 07:37:06 +00:00
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static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
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2018-09-26 17:20:51 +00:00
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static void
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2018-09-28 12:31:15 +00:00
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fill_the_buffer (hb_buffer_t *buffer)
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2018-09-26 17:20:51 +00:00
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{
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hb_buffer_add_utf8 (buffer, text, sizeof (text), 0, sizeof (text));
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hb_buffer_guess_segment_properties (buffer);
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hb_shape (font, buffer, NULL, 0);
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}
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2018-09-28 12:43:01 +00:00
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static void
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validity_check (hb_buffer_t *buffer) {
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if (hb_buffer_diff (ref_buffer, buffer, (hb_codepoint_t) -1, 0))
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{
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fprintf (stderr, "One of the buffers was different from the reference.\n");
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char out[255];
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hb_buffer_serialize_glyphs (buffer, 0, hb_buffer_get_length (ref_buffer),
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out, sizeof (out), NULL,
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font, HB_BUFFER_SERIALIZE_FORMAT_TEXT,
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2018-09-28 17:23:48 +00:00
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HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES);
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2018-09-29 06:49:54 +00:00
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fprintf (stderr, "Actual: %s\n", out);
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2018-09-28 12:43:01 +00:00
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hb_buffer_serialize_glyphs (ref_buffer, 0, hb_buffer_get_length (ref_buffer),
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out, sizeof (out), NULL,
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font, HB_BUFFER_SERIALIZE_FORMAT_TEXT,
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2018-09-28 17:23:48 +00:00
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HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES);
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2018-09-28 12:43:01 +00:00
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fprintf (stderr, "Expected: %s\n", out);
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exit (1);
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}
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}
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2018-09-26 17:20:51 +00:00
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static void *
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thread_func (void *data)
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{
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hb_buffer_t *buffer = (hb_buffer_t *) data;
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pthread_mutex_lock (&mutex);
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pthread_mutex_unlock (&mutex);
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int i;
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for (i = 0; i < num_iters; i++)
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{
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hb_buffer_clear_contents (buffer);
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fill_the_buffer (buffer);
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2018-09-28 12:43:01 +00:00
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validity_check (buffer);
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2018-09-26 17:20:51 +00:00
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}
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return 0;
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}
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2018-09-30 16:14:50 +00:00
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static void
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2018-09-30 16:01:20 +00:00
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test_body (void)
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2018-09-26 17:20:51 +00:00
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{
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int i;
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pthread_t *threads = calloc (num_threads, sizeof (pthread_t));
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hb_buffer_t **buffers = calloc (num_threads, sizeof (hb_buffer_t *));
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pthread_mutex_lock (&mutex);
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for (i = 0; i < num_threads; i++)
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{
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hb_buffer_t *buffer = hb_buffer_create ();
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buffers[i] = buffer;
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pthread_create (&threads[i], NULL, thread_func, buffer);
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}
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/* Let them loose! */
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pthread_mutex_unlock (&mutex);
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for (i = 0; i < num_threads; i++)
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{
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pthread_join (threads[i], NULL);
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2018-09-28 12:43:01 +00:00
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hb_buffer_destroy (buffers[i]);
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2018-09-26 17:20:51 +00:00
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}
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free (buffers);
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free (threads);
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2018-09-26 20:02:45 +00:00
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}
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int
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main (int argc, char **argv)
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{
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2018-09-28 12:43:37 +00:00
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if (argc > 1)
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num_threads = atoi (argv[1]);
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if (argc > 2)
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num_iters = atoi (argv[2]);
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2018-09-28 12:31:15 +00:00
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// Dummy call to alleviate _guess_segment_properties thread safety-ness
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2018-09-28 12:33:26 +00:00
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// https://github.com/harfbuzz/harfbuzz/issues/1191
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2018-09-28 12:31:15 +00:00
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hb_language_get_default ();
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2018-09-26 20:02:45 +00:00
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hb_blob_t *blob = hb_blob_create_from_file (path);
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hb_face_t *face = hb_face_create (blob, 0);
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font = hb_font_create (face);
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2018-09-28 12:45:57 +00:00
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hb_ot_font_set_funcs (font);
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2018-09-28 12:43:01 +00:00
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ref_buffer = hb_buffer_create ();
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fill_the_buffer (ref_buffer);
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2018-09-26 20:02:45 +00:00
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test_body ();
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2018-09-29 00:53:07 +00:00
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/* hb-font backed by FreeType functions can only be used from
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* one thread at a time, because that's FT_Face's MT guarantee.
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* So, disable this, even though it works "most of the time". */
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//hb_ft_font_set_funcs (font);
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//test_body ();
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2018-09-26 17:20:51 +00:00
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2018-09-28 12:43:01 +00:00
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hb_buffer_destroy (ref_buffer);
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2018-09-26 17:20:51 +00:00
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hb_font_destroy (font);
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hb_face_destroy (face);
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hb_blob_destroy (blob);
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return 0;
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}
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