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src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ot-map-private.hh

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@@ -48,23 +48,29 @@
     unsigned int stage[2]; /* GSUB/GPOS */
     unsigned int shift;
     hb_mask_t mask;
     hb_mask_t _1_mask; /* mask for value=1, for quick access */
     unsigned int needs_fallback : 1;
+    unsigned int auto_zwnj : 1;
     unsigned int auto_zwj : 1;
 
-    static int cmp (const feature_map_t *a, const feature_map_t *b)
-    { return a->tag < b->tag ? -1 : a->tag > b->tag ? 1 : 0; }
+    inline int cmp (const hb_tag_t *tag_) const
+    { return *tag_ < tag ? -1 : *tag_ > tag ? 1 : 0; }
   };
 
   struct lookup_map_t {
     unsigned short index;
+    unsigned short auto_zwnj : 1;
     unsigned short auto_zwj : 1;
     hb_mask_t mask;
 
-    static int cmp (const lookup_map_t *a, const lookup_map_t *b)
-    { return a->index < b->index ? -1 : a->index > b->index ? 1 : 0; }
+    static int cmp (const void *pa, const void *pb)
+    {
+      const lookup_map_t *a = (const lookup_map_t *) pa;
+      const lookup_map_t *b = (const lookup_map_t *) pb;
+      return a->index < b->index ? -1 : a->index > b->index ? 1 : 0;
+    }
   };
 
   typedef void (*pause_func_t) (const struct hb_ot_shape_plan_t *plan, hb_font_t *font, hb_buffer_t *buffer);
 
   struct stage_map_t {

@@ -75,11 +81,11 @@
 
   hb_ot_map_t (void) { memset (this, 0, sizeof (*this)); }
 
   inline hb_mask_t get_global_mask (void) const { return global_mask; }
 
-  inline hb_mask_t get_mask (hb_tag_t feature_tag, unsigned int *shift = NULL) const {
+  inline hb_mask_t get_mask (hb_tag_t feature_tag, unsigned int *shift = nullptr) const {
     const feature_map_t *map = features.bsearch (&feature_tag);
     if (shift) *shift = map ? map->shift : 0;
     return map ? map->mask : 0;
   }
 

@@ -104,18 +110,18 @@
   }
 
   inline void get_stage_lookups (unsigned int table_index, unsigned int stage,
                                  const struct lookup_map_t **plookups, unsigned int *lookup_count) const {
     if (unlikely (stage == (unsigned int) -1)) {
-      *plookups = NULL;
+      *plookups = nullptr;
       *lookup_count = 0;
       return;
     }
     assert (stage <= stages[table_index].len);
     unsigned int start = stage ? stages[table_index][stage - 1].last_lookup : 0;
     unsigned int end   = stage < stages[table_index].len ? stages[table_index][stage].last_lookup : lookups[table_index].len;
-    *plookups = &lookups[table_index][start];
+    *plookups = end == start ? nullptr : &lookups[table_index][start];
     *lookup_count = end - start;
   }
 
   HB_INTERNAL void collect_lookups (unsigned int table_index, hb_set_t *lookups) const;
   template <typename Proxy>

@@ -148,12 +154,13 @@
 
 enum hb_ot_map_feature_flags_t {
   F_NONE                = 0x0000u,
   F_GLOBAL              = 0x0001u, /* Feature applies to all characters; results in no mask allocated for it. */
   F_HAS_FALLBACK        = 0x0002u, /* Has fallback implementation, so include mask bit even if feature not found. */
-  F_MANUAL_ZWJ          = 0x0004u, /* Don't skip over ZWJ when matching. */
-  F_GLOBAL_SEARCH       = 0x0008u  /* If feature not found in LangSys, look for it in global feature list and pick one. */
+  F_MANUAL_ZWNJ         = 0x0004u, /* Don't skip over ZWNJ when matching **context**. */
+  F_MANUAL_ZWJ          = 0x0008u, /* Don't skip over ZWJ when matching **input**. */
+  F_GLOBAL_SEARCH       = 0x0010u  /* If feature not found in LangSys, look for it in global feature list and pick one. */
 };
 HB_MARK_AS_FLAG_T (hb_ot_map_feature_flags_t);
 /* Macro version for where const is desired. */
 #define F_COMBINE(l,r) (hb_ot_map_feature_flags_t ((unsigned int) (l) | (unsigned int) (r)))
 

@@ -194,23 +201,28 @@
                                 hb_face_t    *face,
                                 unsigned int  table_index,
                                 unsigned int  feature_index,
                                 unsigned int  variations_index,
                                 hb_mask_t     mask,
-                                bool          auto_zwj);
+                                bool          auto_zwnj = true,
+                                bool          auto_zwj = true);
 
   struct feature_info_t {
     hb_tag_t tag;
     unsigned int seq; /* sequence#, used for stable sorting only */
     unsigned int max_value;
     hb_ot_map_feature_flags_t flags;
     unsigned int default_value; /* for non-global features, what should the unset glyphs take */
     unsigned int stage[2]; /* GSUB/GPOS */
 
-    static int cmp (const feature_info_t *a, const feature_info_t *b)
-    { return (a->tag != b->tag) ?  (a->tag < b->tag ? -1 : 1) :
-             (a->seq < b->seq ? -1 : a->seq > b->seq ? 1 : 0); }
+    static int cmp (const void *pa, const void *pb)
+    {
+      const feature_info_t *a = (const feature_info_t *) pa;
+      const feature_info_t *b = (const feature_info_t *) pb;
+      return (a->tag != b->tag) ?  (a->tag < b->tag ? -1 : 1) :
+             (a->seq < b->seq ? -1 : a->seq > b->seq ? 1 : 0);
+    }
   };
 
   struct stage_info_t {
     unsigned int index;
     hb_ot_map_t::pause_func_t pause_func;
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