|  | /* | 
|  | * Copyright © 2011  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 | 
|  | */ | 
|  |  | 
|  | #include "hb-private.hh" | 
|  |  | 
|  | /* g++ didn't like older gtype.h gcc-only code path. */ | 
|  | #include <glib.h> | 
|  | #if !GLIB_CHECK_VERSION(2,29,16) | 
|  | #undef __GNUC__ | 
|  | #undef __GNUC_MINOR__ | 
|  | #define __GNUC__ 2 | 
|  | #define __GNUC_MINOR__ 6 | 
|  | #endif | 
|  |  | 
|  | #include "hb-gobject.h" | 
|  |  | 
|  | #define HB_DEFINE_BOXED_TYPE(name,copy_func,free_func) \ | 
|  | GType \ | 
|  | hb_gobject_##name##_get_type (void) \ | 
|  | { \ | 
|  | static gsize type_id = 0; \ | 
|  | if (g_once_init_enter (&type_id)) { \ | 
|  | GType id = g_boxed_type_register_static (g_intern_static_string ("hb_" #name "_t"), \ | 
|  | (GBoxedCopyFunc) copy_func, \ | 
|  | (GBoxedFreeFunc) free_func); \ | 
|  | g_once_init_leave (&type_id, id); \ | 
|  | } \ | 
|  | return type_id; \ | 
|  | } | 
|  |  | 
|  | #define HB_DEFINE_OBJECT_TYPE(name) \ | 
|  | HB_DEFINE_BOXED_TYPE (name, hb_##name##_reference, hb_##name##_destroy); | 
|  |  | 
|  | #define HB_DEFINE_VALUE_TYPE(name) \ | 
|  | static hb_##name##_t *_hb_##name##_reference (const hb_##name##_t *l) \ | 
|  | { \ | 
|  | hb_##name##_t *c = (hb_##name##_t *) calloc (1, sizeof (hb_##name##_t)); \ | 
|  | if (unlikely (!c)) return NULL; \ | 
|  | *c = *l; \ | 
|  | return c; \ | 
|  | } \ | 
|  | static void _hb_##name##_destroy (hb_##name##_t *l) { free (l); } \ | 
|  | HB_DEFINE_BOXED_TYPE (name, _hb_##name##_reference, _hb_##name##_destroy); | 
|  |  | 
|  | HB_DEFINE_OBJECT_TYPE (buffer) | 
|  | HB_DEFINE_OBJECT_TYPE (blob) | 
|  | HB_DEFINE_OBJECT_TYPE (face) | 
|  | HB_DEFINE_OBJECT_TYPE (font) | 
|  | HB_DEFINE_OBJECT_TYPE (font_funcs) | 
|  | HB_DEFINE_OBJECT_TYPE (set) | 
|  | HB_DEFINE_OBJECT_TYPE (shape_plan) | 
|  | HB_DEFINE_OBJECT_TYPE (unicode_funcs) | 
|  | HB_DEFINE_VALUE_TYPE (feature) | 
|  | HB_DEFINE_VALUE_TYPE (glyph_info) | 
|  | HB_DEFINE_VALUE_TYPE (glyph_position) | 
|  | HB_DEFINE_VALUE_TYPE (segment_properties) | 
|  | HB_DEFINE_VALUE_TYPE (user_data_key) | 
|  |  | 
|  | HB_DEFINE_VALUE_TYPE (ot_math_glyph_variant) | 
|  | HB_DEFINE_VALUE_TYPE (ot_math_glyph_part) |