[HB] Start adding Unicode funcs

src/hb-unicode.c

diff --git a/src/hb-unicode.c b/src/hb-unicode.c
new file mode 100644
index 0000000..ecb4148
--- /dev/null
+++ b/src/hb-unicode.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2009  Red Hat, Inc.
+ *
+ *  This is part of HarfBuzz, an OpenType Layout engine 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-unicode-private.h"
+
+/*
+ * hb_unicode_funcs_t
+ */
+
+static hb_unicode_funcs_t _hb_unicode_funcs_nil = {
+  HB_REFERENCE_COUNT_INVALID /* ref_count */
+  /*
+  hb_unicode_get_general_category_func_t general_category_func);
+  hb_unicode_get_combining_class_func_t combining_class_func);
+  hb_unicode_get_mirroring_char_func_t mirroring_char_func);
+  hb_unicode_get_script_func_t script_func);
+  hb_unicode_get_eastasian_width_func_t eastasian_width_func);
+  */
+};
+
+hb_unicode_funcs_t *
+hb_unicode_funcs_create (void)
+{
+  hb_unicode_funcs_t *ufuncs;
+
+  if (!HB_OBJECT_DO_CREATE (hb_unicode_funcs_t, ufuncs))
+    return &_hb_unicode_funcs_nil;
+
+  return ufuncs;
+}
+
+hb_unicode_funcs_t *
+hb_unicode_funcs_reference (hb_unicode_funcs_t *ufuncs)
+{
+  HB_OBJECT_DO_REFERENCE (ufuncs);
+}
+
+unsigned int
+hb_unicode_funcs_get_reference_count (hb_unicode_funcs_t *ufuncs)
+{
+  HB_OBJECT_DO_GET_REFERENCE_COUNT (ufuncs);
+}
+
+void
+hb_unicode_funcs_destroy (hb_unicode_funcs_t *ufuncs)
+{
+  HB_OBJECT_DO_DESTROY (ufuncs);
+
+  free (ufuncs);
+}
+
+hb_unicode_funcs_t *
+hb_unicode_funcs_copy (hb_unicode_funcs_t *other_ufuncs)
+{
+  hb_unicode_funcs_t *ufuncs;
+
+  if (!HB_OBJECT_DO_CREATE (hb_unicode_funcs_t, ufuncs))
+    return &_hb_unicode_funcs_nil;
+
+  *ufuncs = *other_ufuncs;
+  HB_OBJECT_DO_INIT (ufuncs);
+
+  return ufuncs;
+}