diff -r 000000000000 -r 1fb32624e06b fontservices/textshaperplugin/IcuSource/layout/GlyphLookupTables.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fontservices/textshaperplugin/IcuSource/layout/GlyphLookupTables.cpp	Tue Feb 02 02:02:46 2010 +0200
@@ -0,0 +1,32 @@
+/*
+ *
+ * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
+ *
+ */
+
+#include "LETypes.h"
+#include "OpenTypeTables.h"
+#include "ScriptAndLanguage.h"
+#include "GlyphLookupTables.h"
+#include "LESwaps.h"
+
+U_NAMESPACE_BEGIN
+
+le_bool GlyphLookupTableHeader::coversScript(LETag scriptTag) const
+{
+    const ScriptListTable *scriptListTable = (const ScriptListTable *) ((char *)this + SWAPW(scriptListOffset));
+
+    return scriptListOffset != 0 && scriptListTable->findScript(scriptTag) != NULL;
+}
+
+le_bool GlyphLookupTableHeader::coversScriptAndLanguage(LETag scriptTag, LETag languageTag, le_bool exactMatch) const
+{
+    const ScriptListTable *scriptListTable = (const ScriptListTable *) ((char *)this + SWAPW(scriptListOffset));
+    const LangSysTable    *langSysTable    = scriptListTable->findLanguage(scriptTag, languageTag, 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;
+}
+
+U_NAMESPACE_END