ICU-57132.0.1.tar.gz

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

diff --git a/icuSources/layout/SubstitutionLookups.cpp b/icuSources/layout/SubstitutionLookups.cpp
index fa6771ac1f77308069d912909bb2bf46eb0a6ede..1fb281300ed504c6903c773469af71df2cb04c5b 100644 (file)
--- a/icuSources/layout/SubstitutionLookups.cpp
+++ b/icuSources/layout/SubstitutionLookups.cpp
@@ -1,6 +1,6 @@
 /*
  *
 /*
  *

- * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
+ * (C) Copyright IBM Corp. 1998-2008 - All Rights Reserved

  *
  */
 
  *
  */
 


@@ -28,18 +28,23 @@ void SubstitutionLookup::applySubstitutionLookups(
         le_uint16 substCount,
         GlyphIterator *glyphIterator,
         const LEFontInstance *fontInstance,
         le_uint16 substCount,
         GlyphIterator *glyphIterator,
         const LEFontInstance *fontInstance,

-        le_int32 position)
+        le_int32 position,
+        LEErrorCode& success)

 {
 {

+    if (LE_FAILURE(success)) { 
+        return;
+    }
+

     GlyphIterator tempIterator(*glyphIterator);
 
     GlyphIterator tempIterator(*glyphIterator);
 

-    for (le_uint16 subst = 0; subst < substCount; subst += 1) {
+    for (le_uint16 subst = 0; subst < substCount && LE_SUCCESS(success); subst += 1) {

         le_uint16 sequenceIndex = SWAPW(substLookupRecordArray[subst].sequenceIndex);
         le_uint16 lookupListIndex = SWAPW(substLookupRecordArray[subst].lookupListIndex);
 
         tempIterator.setCurrStreamPosition(position);
         tempIterator.next(sequenceIndex);
 
         le_uint16 sequenceIndex = SWAPW(substLookupRecordArray[subst].sequenceIndex);
         le_uint16 lookupListIndex = SWAPW(substLookupRecordArray[subst].lookupListIndex);
 
         tempIterator.setCurrStreamPosition(position);
         tempIterator.next(sequenceIndex);
 

-        lookupProcessor->applySingleLookup(lookupListIndex, &tempIterator, fontInstance);
+        lookupProcessor->applySingleLookup(lookupListIndex, &tempIterator, fontInstance, success);

     }
 }
 
     }
 }