Roll harfbuzz-ng 3b8fd9c48f4bde368bf2d465c148b9743a9216ee

third_party/harfbuzz-ng/src/hb-ot-layout-gdef-table.hh

 /*
  * Copyright © 2007,2008,2009  Red Hat, Inc.
- * Copyright © 2010,2011  Google, Inc.
+ * Copyright © 2010,2011,2012  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
@@ skipping 50 matching lines @@
       unsigned int count = *point_count;
       for (unsigned int i = 0; i < count; i++)
         point_array[i] = array[i];
     }
 
     return points.len;
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) {
     TRACE_SANITIZE ();
-    return coverage.sanitize (c, this)
-        && attachPoint.sanitize (c, this);
+    return TRACE_RETURN (coverage.sanitize (c, this) && attachPoint.sanitize (c, this));
   }
 
   private:
   OffsetTo<Coverage>
                 coverage;               /* Offset to Coverage table -- from
                                          * beginning of AttachList table */
   OffsetArrayOf<AttachPoint>
                 attachPoint;            /* Array of AttachPoint tables
                                          * in Coverage Index order */
   public:
   DEFINE_SIZE_ARRAY (4, attachPoint);
 };
 
 /*
  * Ligature Caret Table
  */
 
 struct CaretValueFormat1
 {
   friend struct CaretValue;
 
   private:
   inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id HB_UNUSED) const
   {
     return HB_DIRECTION_IS_HORIZONTAL (direction) ? font->em_scale_x (coordinate) : font->em_scale_y (coordinate);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) {
     TRACE_SANITIZE ();
-    return c->check_struct (this);
+    return TRACE_RETURN (c->check_struct (this));
   }
 
   private:
   USHORT        caretValueFormat;       /* Format identifier--format = 1 */
   SHORT         coordinate;             /* X or Y value, in design units */
   public:
   DEFINE_SIZE_STATIC (4);
 };
 
 struct CaretValueFormat2
 {
   friend struct CaretValue;
 
   private:
   inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id) const
   {
     hb_position_t x, y;
     if (hb_font_get_glyph_contour_point_for_origin (font, glyph_id, caretValuePoint, direction, &x, &y))
       return HB_DIRECTION_IS_HORIZONTAL (direction) ? x : y;
     else
       return 0;
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) {
     TRACE_SANITIZE ();
-    return c->check_struct (this);
+    return TRACE_RETURN (c->check_struct (this));
   }
 
   private:
   USHORT        caretValueFormat;       /* Format identifier--format = 2 */
   USHORT        caretValuePoint;        /* Contour point index on glyph */
   public:
   DEFINE_SIZE_STATIC (4);
 };
 
 struct CaretValueFormat3
 {
   friend struct CaretValue;
 
   inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id HB_UNUSED) const
   {
     return HB_DIRECTION_IS_HORIZONTAL (direction) ?
            font->em_scale_x (coordinate) + (this+deviceTable).get_x_delta (font) :
            font->em_scale_y (coordinate) + (this+deviceTable).get_y_delta (font);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) {
     TRACE_SANITIZE ();
-    return c->check_struct (this)
-        && deviceTable.sanitize (c, this);
+    return TRACE_RETURN (c->check_struct (this) && deviceTable.sanitize (c, this));
   }
 
   private:
   USHORT        caretValueFormat;       /* Format identifier--format = 3 */
   SHORT         coordinate;             /* X or Y value, in design units */
   OffsetTo<Device>
                 deviceTable;            /* Offset to Device table for X or Y
                                          * value--from beginning of CaretValue
                                          * table */
   public:
   DEFINE_SIZE_STATIC (6);
 };
 
 struct CaretValue
 {
   inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id) const
   {
     switch (u.format) {
     case 1: return u.format1.get_caret_value (font, direction, glyph_id);
     case 2: return u.format2.get_caret_value (font, direction, glyph_id);
     case 3: return u.format3.get_caret_value (font, direction, glyph_id);
     default:return 0;
     }
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) {
     TRACE_SANITIZE ();
-    if (!u.format.sanitize (c)) return false;
+    if (!u.format.sanitize (c)) return TRACE_RETURN (false);
     switch (u.format) {
-    case 1: return u.format1.sanitize (c);
-    case 2: return u.format2.sanitize (c);
-    case 3: return u.format3.sanitize (c);
-    default:return true;
+    case 1: return TRACE_RETURN (u.format1.sanitize (c));
+    case 2: return TRACE_RETURN (u.format2.sanitize (c));
+    case 3: return TRACE_RETURN (u.format3.sanitize (c));
+    default:return TRACE_RETURN (true);
     }
   }
 
   private:
   union {
   USHORT                format;         /* Format identifier */
   CaretValueFormat1     format1;
   CaretValueFormat2     format2;
   CaretValueFormat3     format3;
   } u;
@@ skipping 15 matching lines @@
       unsigned int count = *caret_count;
       for (unsigned int i = 0; i < count; i++)
         caret_array[i] = (this+array[i]).get_caret_value (font, direction, glyph_id);
     }
 
     return carets.len;
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) {
     TRACE_SANITIZE ();
-    return carets.sanitize (c, this);
+    return TRACE_RETURN (carets.sanitize (c, this));
   }
 
   private:
   OffsetArrayOf<CaretValue>
                 carets;                 /* Offset array of CaretValue tables
                                          * --from beginning of LigGlyph table
                                          * --in increasing coordinate order */
   public:
   DEFINE_SIZE_ARRAY (2, carets);
 };
@@ skipping 13 matching lines @@
       if (caret_count)
         *caret_count = 0;
       return 0;
     }
     const LigGlyph &lig_glyph = this+ligGlyph[index];
     return lig_glyph.get_lig_carets (font, direction, glyph_id, start_offset, caret_count, caret_array);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) {
     TRACE_SANITIZE ();
-    return coverage.sanitize (c, this)
-        && ligGlyph.sanitize (c, this);
+    return TRACE_RETURN (coverage.sanitize (c, this) && ligGlyph.sanitize (c, this));
   }
 
   private:
   OffsetTo<Coverage>
                 coverage;               /* Offset to Coverage table--from
                                          * beginning of LigCaretList table */
   OffsetArrayOf<LigGlyph>
                 ligGlyph;               /* Array of LigGlyph tables
                                          * in Coverage Index order */
   public:
   DEFINE_SIZE_ARRAY (4, ligGlyph);
 };
 
 
 struct MarkGlyphSetsFormat1
 {
   inline bool covers (unsigned int set_index, hb_codepoint_t glyph_id) const
   { return (this+coverage[set_index]).get_coverage (glyph_id) != NOT_COVERED; }
 
   inline bool sanitize (hb_sanitize_context_t *c) {
     TRACE_SANITIZE ();
-    return coverage.sanitize (c, this);
+    return TRACE_RETURN (coverage.sanitize (c, this));
   }
 
   private:
   USHORT        format;                 /* Format identifier--format = 1 */
   LongOffsetArrayOf<Coverage>
                 coverage;               /* Array of long offsets to mark set
                                          * coverage tables */
   public:
   DEFINE_SIZE_ARRAY (4, coverage);
 };
 
 struct MarkGlyphSets
 {
   inline bool covers (unsigned int set_index, hb_codepoint_t glyph_id) const
   {
     switch (u.format) {
     case 1: return u.format1.covers (set_index, glyph_id);
     default:return false;
     }
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) {
     TRACE_SANITIZE ();
-    if (!u.format.sanitize (c)) return false;
+    if (!u.format.sanitize (c)) return TRACE_RETURN (false);
     switch (u.format) {
-    case 1: return u.format1.sanitize (c);
-    default:return true;
+    case 1: return TRACE_RETURN (u.format1.sanitize (c));
+    default:return TRACE_RETURN (true);
     }
   }
 
   private:
   union {
   USHORT                format;         /* Format identifier */
   MarkGlyphSetsFormat1  format1;
   } u;
   public:
   DEFINE_SIZE_UNION (2, format);
 };
 
 
 /*
  * GDEF -- The Glyph Definition Table
  */
 
 struct GDEF
 {
   static const hb_tag_t Tag     = HB_OT_TAG_GDEF;
 
-  enum {
+  enum GlyphClasses {
     UnclassifiedGlyph   = 0,
     BaseGlyph           = 1,
     LigatureGlyph       = 2,
     MarkGlyph           = 3,
     ComponentGlyph      = 4
   };
 
   inline bool has_glyph_classes (void) const { return glyphClassDef != 0; }
   inline unsigned int get_glyph_class (hb_codepoint_t glyph) const
   { return (this+glyphClassDef).get_class (glyph); }
@@ skipping 17 matching lines @@
                                       unsigned int *caret_count /* IN/OUT */,
                                       hb_position_t *caret_array /* OUT */) const
   { return (this+ligCaretList).get_lig_carets (font, direction, glyph_id, start_offset, caret_count, caret_array); }
 
   inline bool has_mark_sets (void) const { return version.to_int () >= 0x00010002 && markGlyphSetsDef[0] != 0; }
   inline bool mark_set_covers (unsigned int set_index, hb_codepoint_t glyph_id) const
   { return version.to_int () >= 0x00010002 && (this+markGlyphSetsDef[0]).covers (set_index, glyph_id); }
 
   inline bool sanitize (hb_sanitize_context_t *c) {
     TRACE_SANITIZE ();
-    return version.sanitize (c) && likely (version.major == 1)
-        && glyphClassDef.sanitize (c, this)
-        && attachList.sanitize (c, this)
-        && ligCaretList.sanitize (c, this)
-        && markAttachClassDef.sanitize (c, this)
-        && (version.to_int () < 0x00010002 || markGlyphSetsDef[0].sanitize (c, this));
+    return TRACE_RETURN (version.sanitize (c) &&
+                         likely (version.major == 1) &&
+                         glyphClassDef.sanitize (c, this) &&
+                         attachList.sanitize (c, this) &&
+                         ligCaretList.sanitize (c, this) &&
+                         markAttachClassDef.sanitize (c, this) &&
+                         (version.to_int () < 0x00010002 || markGlyphSetsDef[0].sanitize (c, this)));
   }
 
 
   /* glyph_props is a 16-bit integer where the lower 8-bit have bits representing
    * glyph class and other bits, and high 8-bit gthe mark attachment type (if any).
    * Not to be confused with lookup_props which is very similar. */
   inline unsigned int get_glyph_props (hb_codepoint_t glyph) const
   {
     unsigned int klass = get_glyph_class (glyph);
 
@@ skipping 34 matching lines @@
                                          * definitions--from beginning of GDEF
                                          * header (may be NULL).  Introduced
                                          * in version 00010002. */
   public:
   DEFINE_SIZE_ARRAY (12, markGlyphSetsDef);
 };
 
 
 
 #endif /* HB_OT_LAYOUT_GDEF_TABLE_HH */