Roll harfbuzz-ng to 1.0.5

third_party/harfbuzz-ng/src/hb-ot-layout.cc

 /*
  * Copyright © 1998-2004  David Turner and Werner Lemberg
  * Copyright © 2006  Behdad Esfahbod
  * Copyright © 2007,2008,2009  Red Hat, Inc.
  * Copyright © 2012,2013  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
@@ skipping 10 matching lines @@
  * 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
  * Google Author(s): Behdad Esfahbod
  */
 
+#include "hb-open-type-private.hh"
 #include "hb-ot-layout-private.hh"
 
 #include "hb-ot-layout-gdef-table.hh"
 #include "hb-ot-layout-gsub-table.hh"
 #include "hb-ot-layout-gpos-table.hh"
 #include "hb-ot-layout-jstf-table.hh"
 
 #include "hb-ot-map-private.hh"
 
 #include <stdlib.h>
@@ skipping 750 matching lines @@
   OT::GPOS::position_start (font, buffer);
 }
 
 void
 hb_ot_layout_position_finish (hb_font_t *font, hb_buffer_t *buffer)
 {
   OT::GPOS::position_finish (font, buffer);
 }
 
 /**
- * Since: 0.9.8
+ * Since: 0.9.10
  **/
 hb_bool_t
 hb_ot_layout_get_size_params (hb_face_t    *face,
                               unsigned int *design_size,       /* OUT.  May be NULL */
                               unsigned int *subfamily_id,      /* OUT.  May be NULL */
                               unsigned int *subfamily_name_id, /* OUT.  May be NULL */
                               unsigned int *range_start,       /* OUT.  May be NULL */
                               unsigned int *range_end          /* OUT.  May be NULL */)
 {
   const OT::GPOS &gpos = _get_gpos (face);
@@ skipping 106 matching lines @@
         obj.apply (c))
       ret = true;
     /* The reverse lookup doesn't "advance" cursor (for good reason). */
     buffer->idx--;
 
   }
   while ((int) buffer->idx >= 0);
   return ret;
 }
 
-struct hb_apply_forward_context_t
+struct hb_apply_forward_context_t :
+       OT::hb_dispatch_context_t<hb_apply_forward_context_t, bool, HB_DEBUG_APPLY>
 {
   inline const char *get_name (void) { return "APPLY_FWD"; }
-  static const unsigned int max_debug_depth = HB_DEBUG_APPLY;
-  typedef bool return_t;
-  template <typename T, typename F>
-  inline bool may_dispatch (const T *obj, const F *format) { return true; }
   template <typename T>
   inline return_t dispatch (const T &obj) { return apply_forward (c, obj, accel); }
   static return_t default_return_value (void) { return false; }
   bool stop_sublookup_iteration (return_t r HB_UNUSED) const { return true; }
 
   hb_apply_forward_context_t (OT::hb_apply_context_t *c_,
                               const hb_ot_layout_lookup_accelerator_t &accel_) :
                                 c (c_),
                                 accel (accel_),
                                 debug_depth (0) {}
@@ skipping 106 matching lines @@
   apply (proxy, plan, font, buffer);
 }
 
 HB_INTERNAL void
 hb_ot_layout_substitute_lookup (OT::hb_apply_context_t *c,
                                 const OT::SubstLookup &lookup,
                                 const hb_ot_layout_lookup_accelerator_t &accel)
 {
   apply_string<GSUBProxy> (c, lookup, accel);
 }