Roll HarfBuzz to 0.9.32

third_party/harfbuzz-ng/src/hb-ot-layout-private.hh

 /*
  * 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
  * software and its documentation for any purpose, provided that the
  * above copyright notice and the following two paragraphs appear in
@@ skipping 32 matching lines @@
 typedef enum
 {
   /* The following three match LookupFlags::Ignore* numbers. */
   HB_OT_LAYOUT_GLYPH_PROPS_BASE_GLYPH   = 0x02u,
   HB_OT_LAYOUT_GLYPH_PROPS_LIGATURE     = 0x04u,
   HB_OT_LAYOUT_GLYPH_PROPS_MARK         = 0x08u,
 
   /* The following are used internally; not derived from GDEF. */
   HB_OT_LAYOUT_GLYPH_PROPS_SUBSTITUTED  = 0x10u,
   HB_OT_LAYOUT_GLYPH_PROPS_LIGATED      = 0x20u,
+  HB_OT_LAYOUT_GLYPH_PROPS_MULTIPLIED   = 0x40u,
 
   HB_OT_LAYOUT_GLYPH_PROPS_PRESERVE     = HB_OT_LAYOUT_GLYPH_PROPS_SUBSTITUTED |
-                                          HB_OT_LAYOUT_GLYPH_PROPS_LIGATED
+                                          HB_OT_LAYOUT_GLYPH_PROPS_LIGATED |
+                                          HB_OT_LAYOUT_GLYPH_PROPS_MULTIPLIED
 } hb_ot_layout_glyph_class_mask_t;
 
 
 /*
  * GSUB/GPOS
  */
 
 HB_INTERNAL hb_bool_t
 hb_ot_layout_lookup_would_substitute_fast (hb_face_t            *face,
                                            unsigned int          lookup_index,
@@ skipping 109 matching lines @@
 
 /* unicode_props */
 
 enum {
   MASK0_ZWJ       = 0x20u,
   MASK0_ZWNJ      = 0x40u,
   MASK0_IGNORABLE = 0x80u,
   MASK0_GEN_CAT   = 0x1Fu
 };
 
-inline void
+static inline void
 _hb_glyph_info_set_unicode_props (hb_glyph_info_t *info, hb_unicode_funcs_t *unicode)
 {
   /* XXX This shouldn't be inlined, or at least not while is_default_ignorable() is inline. */
   info->unicode_props0() = ((unsigned int) unicode->general_category (info->codepoint)) |
                            (unicode->is_default_ignorable (info->codepoint) ? MASK0_IGNORABLE : 0) |
-                           (info->codepoint == 0x200C ? MASK0_ZWNJ : 0) |
-                           (info->codepoint == 0x200D ? MASK0_ZWJ : 0);
+                           (info->codepoint == 0x200Cu ? MASK0_ZWNJ : 0) |
+                           (info->codepoint == 0x200Du ? MASK0_ZWJ : 0);
   info->unicode_props1() = unicode->modified_combining_class (info->codepoint);
 }
 
-inline void
+static inline void
 _hb_glyph_info_set_general_category (hb_glyph_info_t *info,
                                      hb_unicode_general_category_t gen_cat)
 {
   info->unicode_props0() = (unsigned int) gen_cat | ((info->unicode_props0()) & ~MASK0_GEN_CAT);
 }
 
-inline hb_unicode_general_category_t
+static inline hb_unicode_general_category_t
 _hb_glyph_info_get_general_category (const hb_glyph_info_t *info)
 {
   return (hb_unicode_general_category_t) (info->unicode_props0() & MASK0_GEN_CAT);
 }
 
-inline void
+static inline void
 _hb_glyph_info_set_modified_combining_class (hb_glyph_info_t *info,
                                              unsigned int modified_class)
 {
   info->unicode_props1() = modified_class;
 }
 
-inline unsigned int
+static inline unsigned int
 _hb_glyph_info_get_modified_combining_class (const hb_glyph_info_t *info)
 {
   return info->unicode_props1();
 }
 
-inline hb_bool_t
+static inline hb_bool_t
 _hb_glyph_info_is_default_ignorable (const hb_glyph_info_t *info)
 {
   return !!(info->unicode_props0() & MASK0_IGNORABLE);
 }
 
-inline hb_bool_t
+static inline hb_bool_t
 _hb_glyph_info_is_zwnj (const hb_glyph_info_t *info)
 {
   return !!(info->unicode_props0() & MASK0_ZWNJ);
 }
 
-inline hb_bool_t
+static inline hb_bool_t
 _hb_glyph_info_is_zwj (const hb_glyph_info_t *info)
 {
   return !!(info->unicode_props0() & MASK0_ZWJ);
 }
 
-inline void
+static inline void
 _hb_glyph_info_flip_joiners (hb_glyph_info_t *info)
 {
   info->unicode_props0() ^= MASK0_ZWNJ | MASK0_ZWJ;
 }
 
 /* lig_props: aka lig_id / lig_comp
  *
  * When a ligature is formed:
  *
  *   - The ligature glyph and any marks in between all the same newly allocated
@@ skipping 81 matching lines @@
 static inline uint8_t
 _hb_allocate_lig_id (hb_buffer_t *buffer) {
   uint8_t lig_id = buffer->next_serial () & 0x07;
   if (unlikely (!lig_id))
     lig_id = _hb_allocate_lig_id (buffer); /* in case of overflow */
   return lig_id;
 }
 
 /* glyph_props: */
 
-inline void
+static inline void
 _hb_glyph_info_set_glyph_props (hb_glyph_info_t *info, unsigned int props)
 {
   info->glyph_props() = props;
 }
 
-inline unsigned int
+static inline unsigned int
 _hb_glyph_info_get_glyph_props (const hb_glyph_info_t *info)
 {
   return info->glyph_props();
 }
 
-inline bool
+static inline bool
 _hb_glyph_info_is_base_glyph (const hb_glyph_info_t *info)
 {
   return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_BASE_GLYPH);
 }
 
-inline bool
+static inline bool
 _hb_glyph_info_is_ligature (const hb_glyph_info_t *info)
 {
   return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_LIGATURE);
 }
 
-inline bool
+static inline bool
 _hb_glyph_info_is_mark (const hb_glyph_info_t *info)
 {
   return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_MARK);
 }
 
 static inline bool
 _hb_glyph_info_substituted (const hb_glyph_info_t *info)
 {
   return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_SUBSTITUTED);
 }
 
 static inline bool
 _hb_glyph_info_ligated (const hb_glyph_info_t *info)
 {
   return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_LIGATED);
 }
 
+static inline bool
+_hb_glyph_info_multiplied (const hb_glyph_info_t *info)
+{
+  return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_MULTIPLIED);
+}
+
+static inline bool
+_hb_glyph_info_ligated_and_didnt_multiply (const hb_glyph_info_t *info)
+{
+  return _hb_glyph_info_ligated (info) && !_hb_glyph_info_multiplied (info);
+}
+
+static inline void
+_hb_glyph_info_clear_ligated_and_multiplied (hb_glyph_info_t *info)
+{
+  info->glyph_props() &= ~(HB_OT_LAYOUT_GLYPH_PROPS_LIGATED |
+                           HB_OT_LAYOUT_GLYPH_PROPS_MULTIPLIED);
+}
+
+
 /* Allocation / deallocation. */
 
-inline void
+static inline void
 _hb_buffer_allocate_unicode_vars (hb_buffer_t *buffer)
 {
   HB_BUFFER_ALLOCATE_VAR (buffer, unicode_props0);
   HB_BUFFER_ALLOCATE_VAR (buffer, unicode_props1);
 }
 
-inline void
+static inline void
 _hb_buffer_deallocate_unicode_vars (hb_buffer_t *buffer)
 {
   HB_BUFFER_DEALLOCATE_VAR (buffer, unicode_props0);
   HB_BUFFER_DEALLOCATE_VAR (buffer, unicode_props1);
 }
 
-inline void
+static inline void
 _hb_buffer_allocate_gsubgpos_vars (hb_buffer_t *buffer)
 {
   HB_BUFFER_ALLOCATE_VAR (buffer, glyph_props);
   HB_BUFFER_ALLOCATE_VAR (buffer, lig_props);
   HB_BUFFER_ALLOCATE_VAR (buffer, syllable);
 }
 
-inline void
+static inline void
 _hb_buffer_deallocate_gsubgpos_vars (hb_buffer_t *buffer)
 {
   HB_BUFFER_DEALLOCATE_VAR (buffer, syllable);
   HB_BUFFER_DEALLOCATE_VAR (buffer, lig_props);
   HB_BUFFER_DEALLOCATE_VAR (buffer, glyph_props);
 }
 
 /* Make sure no one directly touches our props... */
 #undef unicode_props0
 #undef unicode_props1
 #undef lig_props
 #undef glyph_props
 
 
 #endif /* HB_OT_LAYOUT_PRIVATE_HH */