ICU-57166.0.1.tar.gz

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

diff --git a/icuSources/layout/GlyphLookupTables.cpp b/icuSources/layout/GlyphLookupTables.cpp
index fdc646fe4f86d5fcddbd0c7fec96eb007c1768c4..5b79916bab6365604cf827f6170383a9709db013 100644 (file)
--- a/icuSources/layout/GlyphLookupTables.cpp
+++ b/icuSources/layout/GlyphLookupTables.cpp
@@ -1,6 +1,6 @@
 /*
  *
- * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
+ * (C) Copyright IBM Corp. 1998-2013 - All Rights Reserved
  *
  */
 
@@ -12,21 +12,22 @@
 
 U_NAMESPACE_BEGIN
 
-le_bool GlyphLookupTableHeader::coversScript(LETag scriptTag) const
+le_bool GlyphLookupTableHeader::coversScript(const LETableReference &base, LETag scriptTag, LEErrorCode &success) const
 {
-    const ScriptListTable *scriptListTable = (const ScriptListTable *) ((char *)this + SWAPW(scriptListOffset));
+  LEReferenceTo<ScriptListTable> scriptListTable(base, success, SWAPW(scriptListOffset));
 
-    return scriptListOffset != 0 && scriptListTable->findScript(scriptTag) != NULL;
+  return (scriptListOffset != 0) && scriptListTable->findScript(scriptListTable, scriptTag, success) .isValid();
 }
 
-le_bool GlyphLookupTableHeader::coversScriptAndLanguage(LETag scriptTag, LETag languageTag, le_bool exactMatch) const
+le_bool GlyphLookupTableHeader::coversScriptAndLanguage(const LETableReference &base, LETag scriptTag, LETag languageTag, LEErrorCode &success, le_bool exactMatch) const
 {
-    const ScriptListTable *scriptListTable = (const ScriptListTable *) ((char *)this + SWAPW(scriptListOffset));
-    const LangSysTable    *langSysTable    = scriptListTable->findLanguage(scriptTag, languageTag, exactMatch);
+  LEReferenceTo<ScriptListTable> scriptListTable(base, success, SWAPW(scriptListOffset));
+  LEReferenceTo<LangSysTable> langSysTable = scriptListTable->findLanguage(scriptListTable,
+                                    scriptTag, languageTag, success, exactMatch);
 
     // FIXME: could check featureListOffset, lookupListOffset, and lookup count...
     // Note: don't have to SWAPW langSysTable->featureCount to check for non-zero.
-    return langSysTable != NULL && langSysTable->featureCount != 0;
+  return LE_SUCCESS(success)&&langSysTable.isValid() && langSysTable->featureCount != 0;
 }
 
 U_NAMESPACE_END