Roll HarfBuzz to 0.9.32

third_party/harfbuzz-ng/src/hb-ot-shape-complex-myanmar.cc

 /*
  * Copyright © 2011,2012,2013  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
  * all copies of this software.
@@ skipping 116 matching lines @@
 #include "hb-ot-shape-complex-myanmar-machine.hh"
 
 
 /* Note: This enum is duplicated in the -machine.rl source file.
  * Not sure how to avoid duplication. */
 enum myanmar_category_t {
   OT_As  = 18, /* Asat */
   OT_D   = 19, /* Digits except zero */
   OT_D0  = 20, /* Digit zero */
   OT_DB  = OT_N, /* Dot below */
-  OT_GB  = OT_DOTTEDCIRCLE,
+  OT_GB  = OT_PLACEHOLDER,
   OT_MH  = 21, /* Various consonant medial types */
   OT_MR  = 22, /* Various consonant medial types */
   OT_MW  = 23, /* Various consonant medial types */
   OT_MY  = 24, /* Various consonant medial types */
   OT_PT  = 25, /* Pwo and other tones */
   OT_VAbv = 26,
   OT_VBlw = 27,
   OT_VPre = 28,
   OT_VPst = 29,
   OT_VS   = 30, /* Variation selectors */
   OT_P    = 31  /* Punctuation */
 };
 
 
 static inline bool
 is_one_of (const hb_glyph_info_t &info, unsigned int flags)
 {
   /* If it ligated, all bets are off. */
   if (_hb_glyph_info_ligated (&info)) return false;
   return !!(FLAG (info.myanmar_category()) & flags);
 }
 
-/* Note:
- *
- * We treat Vowels and placeholders as if they were consonants.  This is safe because Vowels
- * cannot happen in a consonant syllable.  The plus side however is, we can call the
- * consonant syllable logic from the vowel syllable function and get it all right! */
-#define CONSONANT_FLAGS (FLAG (OT_C) | FLAG (OT_CM) | FLAG (OT_Ra) | FLAG (OT_V) | FLAG (OT_NBSP) | FLAG (OT_GB))
 static inline bool
 is_consonant (const hb_glyph_info_t &info)
 {
   return is_one_of (info, CONSONANT_FLAGS);
 }
 
 
 static inline void
 set_myanmar_properties (hb_glyph_info_t &info)
 {
   hb_codepoint_t u = info.codepoint;
   unsigned int type = hb_indic_get_categories (u);
-  indic_category_t cat = (indic_category_t) (type & 0x7F);
+  indic_category_t cat = (indic_category_t) (type & 0x7Fu);
   indic_position_t pos = (indic_position_t) (type >> 8);
 
   /* Myanmar
    * http://www.microsoft.com/typography/OpenTypeDev/myanmar/intro.htm#analyze
    */
-  if (unlikely (hb_in_range<hb_codepoint_t> (u, 0xFE00, 0xFE0F)))
+  if (unlikely (hb_in_range (u, 0xFE00u, 0xFE0Fu)))
     cat = (indic_category_t) OT_VS;
-  else if (unlikely (u == 0x200C)) cat = (indic_category_t) OT_ZWNJ;
-  else if (unlikely (u == 0x200D)) cat = (indic_category_t) OT_ZWJ;
 
   switch (u)
   {
-    case 0x104E:
+    case 0x104Eu:
       cat = (indic_category_t) OT_C; /* The spec says C, IndicSyllableCategory doesn't have. */
       break;
 
-    case 0x002D: case 0x00A0: case 0x00D7: case 0x2012:
-    case 0x2013: case 0x2014: case 0x2015: case 0x2022:
-    case 0x25CC: case 0x25FB: case 0x25FC: case 0x25FD:
-    case 0x25FE:
+    case 0x002Du: case 0x00A0u: case 0x00D7u: case 0x2012u:
+    case 0x2013u: case 0x2014u: case 0x2015u: case 0x2022u:
+    case 0x25CCu: case 0x25FBu: case 0x25FCu: case 0x25FDu:
+    case 0x25FEu:
       cat = (indic_category_t) OT_GB;
       break;
 
-    case 0x1004: case 0x101B: case 0x105A:
+    case 0x1004u: case 0x101Bu: case 0x105Au:
       cat = (indic_category_t) OT_Ra;
       break;
 
-    case 0x1032: case 0x1036:
+    case 0x1032u: case 0x1036u:
       cat = (indic_category_t) OT_A;
       break;
 
-    case 0x103A:
+    case 0x103Au:
       cat = (indic_category_t) OT_As;
       break;
 
-    case 0x1041: case 0x1042: case 0x1043: case 0x1044:
-    case 0x1045: case 0x1046: case 0x1047: case 0x1048:
-    case 0x1049: case 0x1090: case 0x1091: case 0x1092:
-    case 0x1093: case 0x1094: case 0x1095: case 0x1096:
-    case 0x1097: case 0x1098: case 0x1099:
+    case 0x1041u: case 0x1042u: case 0x1043u: case 0x1044u:
+    case 0x1045u: case 0x1046u: case 0x1047u: case 0x1048u:
+    case 0x1049u: case 0x1090u: case 0x1091u: case 0x1092u:
+    case 0x1093u: case 0x1094u: case 0x1095u: case 0x1096u:
+    case 0x1097u: case 0x1098u: case 0x1099u:
       cat = (indic_category_t) OT_D;
       break;
 
-    case 0x1040:
+    case 0x1040u:
       cat = (indic_category_t) OT_D; /* XXX The spec says D0, but Uniscribe doesn't seem to do. */
       break;
 
-    case 0x103E: case 0x1060:
+    case 0x103Eu: case 0x1060u:
       cat = (indic_category_t) OT_MH;
       break;
 
-    case 0x103C:
+    case 0x103Cu:
       cat = (indic_category_t) OT_MR;
       break;
 
-    case 0x103D: case 0x1082:
+    case 0x103Du: case 0x1082u:
       cat = (indic_category_t) OT_MW;
       break;
 
-    case 0x103B: case 0x105E: case 0x105F:
+    case 0x103Bu: case 0x105Eu: case 0x105Fu:
       cat = (indic_category_t) OT_MY;
       break;
 
-    case 0x1063: case 0x1064: case 0x1069: case 0x106A:
-    case 0x106B: case 0x106C: case 0x106D: case 0xAA7B:
+    case 0x1063u: case 0x1064u: case 0x1069u: case 0x106Au:
+    case 0x106Bu: case 0x106Cu: case 0x106Du: case 0xAA7Bu:
       cat = (indic_category_t) OT_PT;
       break;
 
-    case 0x1038: case 0x1087: case 0x1088: case 0x1089:
-    case 0x108A: case 0x108B: case 0x108C: case 0x108D:
-    case 0x108F: case 0x109A: case 0x109B: case 0x109C:
+    case 0x1038u: case 0x1087u: case 0x1088u: case 0x1089u:
+    case 0x108Au: case 0x108Bu: case 0x108Cu: case 0x108Du:
+    case 0x108Fu: case 0x109Au: case 0x109Bu: case 0x109Cu:
       cat = (indic_category_t) OT_SM;
       break;
 
-    case 0x104A: case 0x104B:
+    case 0x104Au: case 0x104Bu:
       cat = (indic_category_t) OT_P;
       break;
   }
 
   if (cat == OT_M)
   {
     switch ((int) pos)
     {
       case POS_PRE_C:   cat = (indic_category_t) OT_VPre;
                         pos = POS_PRE_M;                  break;
@@ skipping 14 matching lines @@
                    hb_buffer_t              *buffer,
                    hb_font_t                *font HB_UNUSED)
 {
   HB_BUFFER_ALLOCATE_VAR (buffer, myanmar_category);
   HB_BUFFER_ALLOCATE_VAR (buffer, myanmar_position);
 
   /* We cannot setup masks here.  We save information about characters
    * and setup masks later on in a pause-callback. */
 
   unsigned int count = buffer->len;
+  hb_glyph_info_t *info = buffer->info;
   for (unsigned int i = 0; i < count; i++)
-    set_myanmar_properties (buffer->info[i]);
+    set_myanmar_properties (info[i]);
 }
 
 static void
 setup_syllables (const hb_ot_shape_plan_t *plan HB_UNUSED,
                  hb_font_t *font HB_UNUSED,
                  hb_buffer_t *buffer)
 {
   find_syllables (buffer);
 }
 
@@ skipping 152 matching lines @@
 }
 
 static inline void
 insert_dotted_circles (const hb_ot_shape_plan_t *plan HB_UNUSED,
                        hb_font_t *font,
                        hb_buffer_t *buffer)
 {
   /* Note: This loop is extra overhead, but should not be measurable. */
   bool has_broken_syllables = false;
   unsigned int count = buffer->len;
+  hb_glyph_info_t *info = buffer->info;
   for (unsigned int i = 0; i < count; i++)
-    if ((buffer->info[i].syllable() & 0x0F) == broken_cluster) {
+    if ((info[i].syllable() & 0x0F) == broken_cluster)
+    {
       has_broken_syllables = true;
       break;
     }
   if (likely (!has_broken_syllables))
     return;
 
 
   hb_codepoint_t dottedcircle_glyph;
-  if (!font->get_glyph (0x25CC, 0, &dottedcircle_glyph))
+  if (!font->get_glyph (0x25CCu, 0, &dottedcircle_glyph))
     return;
 
   hb_glyph_info_t dottedcircle = {0};
-  dottedcircle.codepoint = 0x25CC;
+  dottedcircle.codepoint = 0x25CCu;
   set_myanmar_properties (dottedcircle);
   dottedcircle.codepoint = dottedcircle_glyph;
 
   buffer->clear_output ();
 
   buffer->idx = 0;
   unsigned int last_syllable = 0;
   while (buffer->idx < buffer->len)
   {
     unsigned int syllable = buffer->cur().syllable();
@@ skipping 62 matching lines @@
   NULL, /* data_create */
   NULL, /* data_destroy */
   NULL, /* preprocess_text */
   HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
   NULL, /* decompose */
   NULL, /* compose */
   setup_masks_myanmar,
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_EARLY,
   false, /* fallback_position */
 };