ICU-57132.0.1.tar.gz

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

diff --git a/icuSources/layout/AlternateSubstSubtables.cpp b/icuSources/layout/AlternateSubstSubtables.cpp
index 9239db3db4643c2d58a9179807254bf620593558..c4323e3c0cab39a840550b0c3315b295d6d77ebe 100644 (file)
--- a/icuSources/layout/AlternateSubstSubtables.cpp
+++ b/icuSources/layout/AlternateSubstSubtables.cpp
@@ -1,7 +1,6 @@
 /*
- * @(#)AlternateSubstSubtables.cpp     1.7 00/03/15
  *
- * (C) Copyright IBM Corp. 1998-2003 - All Rights Reserved
+ * (C) Copyright IBM Corp. 1998-2013 - All Rights Reserved
  *
  */
 
@@ -15,25 +14,26 @@
 
 U_NAMESPACE_BEGIN
 
-le_uint32 AlternateSubstitutionSubtable::process(GlyphIterator *glyphIterator, const LEGlyphFilter *filter) const
+le_uint32 AlternateSubstitutionSubtable::process(const LEReferenceTo<AlternateSubstitutionSubtable> &base,
+                                       GlyphIterator *glyphIterator, LEErrorCode &success, const LEGlyphFilter *filter) const
 {
     // NOTE: For now, we'll just pick the first alternative...
     LEGlyphID glyph = glyphIterator->getCurrGlyphID();
-    le_int32 coverageIndex = getGlyphCoverage(glyph);
+    le_int32 coverageIndex = getGlyphCoverage(base, glyph, success);
 
-    if (coverageIndex >= 0) {
+    if (coverageIndex >= 0 && LE_SUCCESS(success)) {
         le_uint16 altSetCount = SWAPW(alternateSetCount);
 
         if (coverageIndex < altSetCount) {
             Offset alternateSetTableOffset = SWAPW(alternateSetTableOffsetArray[coverageIndex]);
-            const AlternateSetTable *alternateSetTable =
-                (const AlternateSetTable *) ((char *) this + alternateSetTableOffset);
+            const LEReferenceTo<AlternateSetTable> alternateSetTable(base, success,
+                                  (const AlternateSetTable *) ((char *) this + alternateSetTableOffset));
             TTGlyphID alternate = SWAPW(alternateSetTable->alternateArray[0]);
 
             if (filter == NULL || filter->accept(LE_SET_GLYPH(glyph, alternate))) {
                 glyphIterator->setCurrGlyphID(SWAPW(alternateSetTable->alternateArray[0]));
             }
-            
+
             return 1;
         }