ICU-57132.0.1.tar.gz

[apple/icu.git] / icuSources / layout / SegmentArrayProcessor2.cpp

diff --git a/icuSources/layout/SegmentArrayProcessor2.cpp b/icuSources/layout/SegmentArrayProcessor2.cpp
index 04bfe9b4caf08f09777f94721f84c3180f0fc476..80bb573a5d94dcdb67aab757d6f754e94373d788 100644 (file)
--- a/icuSources/layout/SegmentArrayProcessor2.cpp
+++ b/icuSources/layout/SegmentArrayProcessor2.cpp
@@ -1,6 +1,6 @@
 /*
  *
- * (C) Copyright IBM Corp.  and others 1998-2013 - All Rights Reserved
+ * (C) Copyright IBM Corp.  and others 1998-2015 - All Rights Reserved
  *
  */
 
@@ -21,34 +21,35 @@ SegmentArrayProcessor2::SegmentArrayProcessor2()
 {
 }
 
-SegmentArrayProcessor2::SegmentArrayProcessor2(const MorphSubtableHeader2 *morphSubtableHeader)
-  : NonContextualGlyphSubstitutionProcessor2(morphSubtableHeader)
+SegmentArrayProcessor2::SegmentArrayProcessor2(const LEReferenceTo<MorphSubtableHeader2> &morphSubtableHeader, LEErrorCode &success)
+  : NonContextualGlyphSubstitutionProcessor2(morphSubtableHeader, success)
 {
-    const NonContextualGlyphSubstitutionHeader2 *header = (const NonContextualGlyphSubstitutionHeader2 *) morphSubtableHeader;
-
-    segmentArrayLookupTable = (const SegmentArrayLookupTable *) &header->table;
+  const LEReferenceTo<NonContextualGlyphSubstitutionHeader2> header(morphSubtableHeader, success);
+  segmentArrayLookupTable = LEReferenceTo<SegmentArrayLookupTable>(morphSubtableHeader,  success, &header->table); // don't parent to 'header' as it is on the stack
 }
 
 SegmentArrayProcessor2::~SegmentArrayProcessor2()
 {
 }
 
-void SegmentArrayProcessor2::process(LEGlyphStorage &glyphStorage)
+void SegmentArrayProcessor2::process(LEGlyphStorage &glyphStorage, LEErrorCode &success)
 {
     const LookupSegment *segments = segmentArrayLookupTable->segments;
     le_int32 glyphCount = glyphStorage.getGlyphCount();
     le_int32 glyph;
 
+    if (LE_FAILURE(success)) return;
+
     for (glyph = 0; glyph < glyphCount; glyph += 1) {
         LEGlyphID thisGlyph = glyphStorage[glyph];
-        const LookupSegment *lookupSegment = segmentArrayLookupTable->lookupSegment(segments, thisGlyph);
+        const LookupSegment *lookupSegment = segmentArrayLookupTable->lookupSegment(segmentArrayLookupTable, segments, thisGlyph, success);
 
         if (lookupSegment != NULL)  {
             TTGlyphID firstGlyph = SWAPW(lookupSegment->firstGlyph);
             le_int16  offset = SWAPW(lookupSegment->value);
 
             if (offset != 0) {
-                TTGlyphID  *glyphArray = (TTGlyphID *) ((char *) subtableHeader + offset);
+              TTGlyphID  *glyphArray = (TTGlyphID *) ((char *) subtableHeader.getAliasRAW() + offset);
                 TTGlyphID   newGlyph   = SWAPW(glyphArray[LE_GET_GLYPH(thisGlyph) - firstGlyph]);
                 
                 glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);