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

third_party/harfbuzz-ng/src/hb-ot-shape-complex-private.hh

+/*
+ * Copyright (C) 2010  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
+ */
+
+#ifndef HB_OT_SHAPE_COMPLEX_PRIVATE_HH
+#define HB_OT_SHAPE_COMPLEX_PRIVATE_HH
+
+#include "hb-private.h"
+
+#include "hb-ot-shape-private.hh"
+
+HB_BEGIN_DECLS
+
+
+static inline hb_ot_complex_shaper_t
+hb_ot_shape_complex_categorize (const hb_segment_properties_t *props)
+{
+  switch ((int) props->script) {
+    case HB_SCRIPT_ARABIC:
+    case HB_SCRIPT_NKO:
+    case HB_SCRIPT_SYRIAC:
+    case HB_SCRIPT_MANDAIC:
+    case HB_SCRIPT_MONGOLIAN:
+      return hb_ot_complex_shaper_arabic;
+
+    default:
+      return hb_ot_complex_shaper_none;
+  }
+}
+
+
+
+/*
+ * collect_features()
+ *
+ * Called during shape_plan().
+ *
+ * Shapers should use plan->map to add their features.
+ */
+
+HB_INTERNAL void _hb_ot_shape_complex_collect_features_arabic   (hb_ot_shape_plan_t *plan, const hb_segment_properties_t  *props);
+
+static inline void
+hb_ot_shape_complex_collect_features (hb_ot_shape_plan_t *plan,
+                                      const hb_segment_properties_t  *props)
+{
+  switch (plan->shaper) {
+    case hb_ot_complex_shaper_arabic:   _hb_ot_shape_complex_collect_features_arabic (plan, props);     return;
+    case hb_ot_complex_shaper_none:     default:                                                        return;
+  }
+}
+
+
+/* setup_masks()
+ *
+ * Called during shape_execute().
+ *
+ * Shapers should use c->plan.map to get feature masks and set on buffer.
+ */
+
+HB_INTERNAL void _hb_ot_shape_complex_setup_masks_arabic        (hb_ot_shape_context_t *c);
+
+static inline void
+hb_ot_shape_complex_setup_masks (hb_ot_shape_context_t *c)
+{
+  switch (c->plan->shaper) {
+    case hb_ot_complex_shaper_arabic:   _hb_ot_shape_complex_setup_masks_arabic (c);    return;
+    case hb_ot_complex_shaper_none:     default:                                        return;
+  }
+}
+
+
+HB_END_DECLS
+
+#endif /* HB_OT_SHAPE_COMPLEX_PRIVATE_HH */