third_party/harfbuzz-ng/src/hb-gobject-structs.cc

   1 /*
   2  * Copyright © 2011  Google, Inc.
   3  *
   4  *  This is part of HarfBuzz, a text shaping library.
   5  *
   6  * Permission is hereby granted, without written agreement and without
   7  * license or royalty fees, to use, copy, modify, and distribute this
   8  * software and its documentation for any purpose, provided that the
   9  * above copyright notice and the following two paragraphs appear in
  10  * all copies of this software.
  11  *
  12  * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
  13  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
  14  * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
  15  * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
  16  * DAMAGE.
  17  *
  18  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
  19  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  20  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
  21  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  22  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  23  *
  24  * Google Author(s): Behdad Esfahbod
  25  */
  26
  27 #include "hb-private.hh"
  28
  29 /* g++ didn't like older gtype.h gcc-only code path. */
  30 #include <glib.h>
  31 #if !GLIB_CHECK_VERSION(2,29,16)
  32 #undef __GNUC__
  33 #undef __GNUC_MINOR__
  34 #define __GNUC__ 2
  35 #define __GNUC_MINOR__ 6
  36 #endif
  37
  38 #include "hb-gobject.h"
  39
  40 #define HB_DEFINE_BOXED_TYPE(name,copy_func,free_func) \
  41 GType \
  42 hb_gobject_##name##_get_type (void) \
  43 { \
  44    static gsize type_id = 0; \
  45    if (g_once_init_enter (&type_id)) { \
  46       GType id = g_boxed_type_register_static (g_intern_static_string ("hb_" #name "_t"), \
  47                                                (GBoxedCopyFunc) copy_func, \
  48                                                (GBoxedFreeFunc) free_func); \
  49       g_once_init_leave (&type_id, id); \
  50    } \
  51    return type_id; \
  52 }
  53
  54 #define HB_DEFINE_OBJECT_TYPE(name) \
  55         HB_DEFINE_BOXED_TYPE (name, hb_##name##_reference, hb_##name##_destroy);
  56
  57 #define HB_DEFINE_VALUE_TYPE(name) \
  58         static hb_##name##_t *_hb_##name##_reference (const hb_##name##_t *l) \
  59         { \
  60           hb_##name##_t *c = (hb_##name##_t *) calloc (1, sizeof (hb_##name##_t)); \
  61           if (unlikely (!c)) return NULL; \
  62           *c = *l; \
  63           return c; \
  64         } \
  65         static void _hb_##name##_destroy (hb_##name##_t *l) { free (l); } \
  66         HB_DEFINE_BOXED_TYPE (name, _hb_##name##_reference, _hb_##name##_destroy);
  67
  68 HB_DEFINE_OBJECT_TYPE (buffer)
  69 HB_DEFINE_OBJECT_TYPE (blob)
  70 HB_DEFINE_OBJECT_TYPE (face)
  71 HB_DEFINE_OBJECT_TYPE (font)
  72 HB_DEFINE_OBJECT_TYPE (font_funcs)
  73 HB_DEFINE_OBJECT_TYPE (set)
  74 HB_DEFINE_OBJECT_TYPE (shape_plan)
  75 HB_DEFINE_OBJECT_TYPE (unicode_funcs)
  76 HB_DEFINE_VALUE_TYPE (feature)
  77 HB_DEFINE_VALUE_TYPE (glyph_info)
  78 HB_DEFINE_VALUE_TYPE (glyph_position)
  79 HB_DEFINE_VALUE_TYPE (segment_properties)
  80 HB_DEFINE_VALUE_TYPE (user_data_key)