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 /*

  * Copyright © 2010,2011,2013  Google, Inc.

  *

  *  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.

  *

  * Google Author(s): Behdad Esfahbod

  */

 #ifdef HAVE_CONFIG_H

 #include "config.h"

 #endif

 #include "hb.h"

 #ifdef HAVE_FREETYPE

 #include "hb-ft.h"

 #endif

 #ifdef HAVE_GLIB

 # include <glib.h>

 # if !GLIB_CHECK_VERSION (2, 22, 0)

 #  define g_mapped_file_unref g_mapped_file_free

 # endif

 #endif

 #include <stdlib.h>

 #include <stdio.h>

 int

 main (int argc, char **argv)

 {

   hb_blob_t *blob = NULL;

   if (argc != 2) {

     fprintf (stderr, "usage: %s font-file\n", argv[0]);

     exit (1);

   }

   /* Create the blob */

   {

     const char *font_data;

     unsigned int len;

     hb_destroy_func_t destroy;

     void *user_data;

     hb_memory_mode_t mm;

 #ifdef HAVE_GLIB

     GMappedFile *mf = g_mapped_file_new (argv[1], false, NULL);

     font_data = g_mapped_file_get_contents (mf);

     len = g_mapped_file_get_length (mf);

     destroy = (hb_destroy_func_t) g_mapped_file_unref;

     user_data = (void *) mf;

     mm = HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE;

 #else

     FILE *f = fopen (argv[1], "rb");

     fseek (f, 0, SEEK_END);

     len = ftell (f);

     fseek (f, 0, SEEK_SET);

     font_data = (const char *) malloc (len);

     if (!font_data) len = 0;

     len = fread ((char *) font_data, 1, len, f);

     destroy = free;

     user_data = (void *) font_data;

     fclose (f);

     mm = HB_MEMORY_MODE_WRITABLE;

 #endif

     blob = hb_blob_create (font_data, len, mm, user_data, destroy);

   }

   hb_face_t *face = hb_face_create (blob, 0 /* first face */);

   hb_blob_destroy (blob);

   blob = NULL;

   unsigned int upem = hb_face_get_upem (face);

   hb_font_t *font = hb_font_create (face);

   hb_face_destroy (face);

   hb_font_set_scale (font, upem, upem);

 #ifdef HAVE_FREETYPE

   hb_ft_font_set_funcs (font);

 #endif

   hb_buffer_t *buf;

   buf = hb_buffer_create ();

   bool ret = true;

   char line[BUFSIZ], out[BUFSIZ];

   while (fgets (line, sizeof(line), stdin) != 0)

   {

     hb_buffer_clear_contents (buf);

     const char *p = line;

     while (hb_buffer_deserialize_glyphs (buf,

 					 p, -1, &p,

 					 font,

 					 HB_BUFFER_SERIALIZE_FORMAT_JSON))

       ;

     if (*p && *p != '\n')

       ret = false;

     hb_buffer_serialize_glyphs (buf, 0, hb_buffer_get_length (buf),

 				out, sizeof (out), NULL,

 				font, HB_BUFFER_SERIALIZE_FORMAT_JSON,

 				HB_BUFFER_SERIALIZE_FLAG_DEFAULT);

     puts (out);

   }

   hb_buffer_destroy (buf);

   hb_font_destroy (font);

   return !ret;

 }