Update harfbuzz-ng to 1a5a91dc0d8bf4b72a2f22dc6300b06ad7000b79.

third_party/harfbuzz-ng/src/hb-unicode-private.hh

Index: third_party/harfbuzz-ng/src/hb-unicode-private.hh
diff --git a/third_party/harfbuzz-ng/src/hb-unicode-private.hh b/third_party/harfbuzz-ng/src/hb-unicode-private.hh
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+/*
+ * Copyright © 2009  Red Hat, Inc.
+ * Copyright © 2011  Codethink Limited
+ * Copyright © 2010,2011  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.
+ *
+ * Red Hat Author(s): Behdad Esfahbod
+ * Codethink Author(s): Ryan Lortie
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_UNICODE_PRIVATE_HH
+#define HB_UNICODE_PRIVATE_HH
+
+#include "hb-private.hh"
+
+#include "hb-unicode.h"
+#include "hb-object-private.hh"
+
+
+
+/*
+ * hb_unicode_funcs_t
+ */
+
+#define HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS \
+  HB_UNICODE_FUNC_IMPLEMENT (combining_class) \
+  HB_UNICODE_FUNC_IMPLEMENT (eastasian_width) \
+  HB_UNICODE_FUNC_IMPLEMENT (general_category) \
+  HB_UNICODE_FUNC_IMPLEMENT (mirroring) \
+  HB_UNICODE_FUNC_IMPLEMENT (script) \
+  HB_UNICODE_FUNC_IMPLEMENT (compose) \
+  HB_UNICODE_FUNC_IMPLEMENT (decompose) \
+  /* ^--- Add new callbacks here */
+
+/* Simple callbacks are those taking a hb_codepoint_t and returning a hb_codepoint_t */
+#define HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE \
+  HB_UNICODE_FUNC_IMPLEMENT (unsigned int, combining_class) \
+  HB_UNICODE_FUNC_IMPLEMENT (unsigned int, eastasian_width) \
+  HB_UNICODE_FUNC_IMPLEMENT (hb_unicode_general_category_t, general_category) \
+  HB_UNICODE_FUNC_IMPLEMENT (hb_codepoint_t, mirroring) \
+  HB_UNICODE_FUNC_IMPLEMENT (hb_script_t, script) \
+  /* ^--- Add new simple callbacks here */
+
+struct _hb_unicode_funcs_t {
+  hb_object_header_t header;
+
+  hb_unicode_funcs_t *parent;
+
+  bool immutable;
+
+  /* Don't access these directly.  Call hb_unicode_*() instead. */
+
+  struct {
+#define HB_UNICODE_FUNC_IMPLEMENT(name) hb_unicode_##name##_func_t name;
+    HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_UNICODE_FUNC_IMPLEMENT
+  } func;
+
+  struct {
+#define HB_UNICODE_FUNC_IMPLEMENT(name) void *name;
+    HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_UNICODE_FUNC_IMPLEMENT
+  } user_data;
+
+  struct {
+#define HB_UNICODE_FUNC_IMPLEMENT(name) hb_destroy_func_t name;
+    HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_UNICODE_FUNC_IMPLEMENT
+  } destroy;
+};
+
+
+#ifdef HAVE_GLIB
+extern HB_INTERNAL hb_unicode_funcs_t _hb_glib_unicode_funcs;
+#define _hb_unicode_funcs_default _hb_glib_unicode_funcs
+#elif defined(HAVE_ICU)
+extern HB_INTERNAL hb_unicode_funcs_t _hb_icu_unicode_funcs;
+#define _hb_unicode_funcs_default _hb_icu_unicode_funcs
+#else
+extern HB_INTERNAL hb_unicode_funcs_t _hb_unicode_funcs_nil;
+#define _hb_unicode_funcs_default _hb_unicode_funcs_nil
+#endif
+
+
+
+
+#endif /* HB_UNICODE_PRIVATE_HH */