harfbuzz: check in harfbuzz-ng, add gyp define to use it

third_party/harfbuzz-ng/src/hb-glib.c

+/*
+ * Copyright (C) 2009  Red Hat, 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
+ */
+
+#include "hb-private.h"
+
+#include "hb-glib.h"
+
+#include "hb-unicode-private.h"
+
+#include <glib.h>
+
+HB_BEGIN_DECLS
+
+
+static hb_codepoint_t hb_glib_get_mirroring (hb_codepoint_t unicode) { g_unichar_get_mirror_char (unicode, &unicode); return unicode; }
+static hb_category_t hb_glib_get_general_category (hb_codepoint_t unicode) { return g_unichar_type (unicode); }
+static hb_script_t hb_glib_get_script (hb_codepoint_t unicode) { return g_unichar_get_script (unicode); }
+static unsigned int hb_glib_get_combining_class (hb_codepoint_t unicode) { return g_unichar_combining_class (unicode); }
+static unsigned int hb_glib_get_eastasian_width (hb_codepoint_t unicode) { return g_unichar_iswide (unicode); }
+
+
+static hb_unicode_funcs_t glib_ufuncs = {
+  HB_REFERENCE_COUNT_INVALID, /* ref_count */
+  TRUE, /* immutable */
+  {
+    hb_glib_get_general_category,
+    hb_glib_get_combining_class,
+    hb_glib_get_mirroring,
+    hb_glib_get_script,
+    hb_glib_get_eastasian_width
+  }
+};
+
+hb_unicode_funcs_t *
+hb_glib_get_unicode_funcs (void)
+{
+  return &glib_ufuncs;
+}
+
+
+HB_END_DECLS