--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/native/sun/font/layout/ContextualGlyphSubstProc2.cpp	Fri Feb 15 13:07:17 2013 -0800
@@ -0,0 +1,160 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ *
+ * (C) Copyright IBM Corp.  and others 1998-2013 - All Rights Reserved
+ *
+ */
+
+#include "LETypes.h"
+#include "MorphTables.h"
+#include "StateTables.h"
+#include "MorphStateTables.h"
+#include "SubtableProcessor2.h"
+#include "StateTableProcessor2.h"
+#include "ContextualGlyphSubstProc2.h"
+#include "LEGlyphStorage.h"
+#include "LESwaps.h"
+#include <stdio.h>
+
+U_NAMESPACE_BEGIN
+
+UOBJECT_DEFINE_RTTI_IMPLEMENTATION(ContextualGlyphSubstitutionProcessor2)
+
+ContextualGlyphSubstitutionProcessor2::ContextualGlyphSubstitutionProcessor2(const MorphSubtableHeader2 *morphSubtableHeader)
+  : StateTableProcessor2(morphSubtableHeader)
+{
+    contextualGlyphHeader = (const ContextualGlyphHeader2 *) morphSubtableHeader;
+    le_uint32 perGlyphTableOffset = SWAPL(contextualGlyphHeader->perGlyphTableOffset);
+    perGlyphTable = ((le_uint32 *) ((char *)&stateTableHeader->stHeader + perGlyphTableOffset));
+    entryTable = (const ContextualGlyphStateEntry2 *) ((char *) &stateTableHeader->stHeader + entryTableOffset);
+}
+
+ContextualGlyphSubstitutionProcessor2::~ContextualGlyphSubstitutionProcessor2()
+{
+}
+
+void ContextualGlyphSubstitutionProcessor2::beginStateTable()
+{
+    markGlyph = 0;
+}
+
+le_uint16 ContextualGlyphSubstitutionProcessor2::processStateEntry(LEGlyphStorage &glyphStorage, le_int32 &currGlyph, EntryTableIndex2 index)
+{
+    const ContextualGlyphStateEntry2 *entry = &entryTable[index];
+    le_uint16 newState = SWAPW(entry->newStateIndex);
+    le_uint16 flags = SWAPW(entry->flags);
+    le_int16 markIndex = SWAPW(entry->markIndex);
+    le_int16 currIndex = SWAPW(entry->currIndex);
+
+    if (markIndex != -1) {
+        le_uint32 offset = SWAPL(perGlyphTable[markIndex]);
+        LEGlyphID mGlyph = glyphStorage[markGlyph];
+        TTGlyphID newGlyph = lookup(offset, mGlyph);
+        glyphStorage[markGlyph] = LE_SET_GLYPH(mGlyph, newGlyph);
+    }
+
+    if (currIndex != -1) {
+        le_uint32 offset = SWAPL(perGlyphTable[currIndex]);
+        LEGlyphID thisGlyph = glyphStorage[currGlyph];
+        TTGlyphID newGlyph = lookup(offset, thisGlyph);
+        glyphStorage[currGlyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
+    }
+
+    if (flags & cgsSetMark) {
+        markGlyph = currGlyph;
+    }
+
+    if (!(flags & cgsDontAdvance)) {
+        currGlyph += dir;
+    }
+
+    return newState;
+}
+
+TTGlyphID ContextualGlyphSubstitutionProcessor2::lookup(le_uint32 offset, LEGlyphID gid)
+{
+    LookupTable *lookupTable = ((LookupTable *) ((char *)perGlyphTable + offset));
+    le_int16 format = SWAPW(lookupTable->format);
+    TTGlyphID newGlyph = 0xFFFF;
+
+    switch (format) {
+        case ltfSimpleArray: {
+#ifdef TEST_FORMAT
+            // Disabled pending for design review
+            SimpleArrayLookupTable *lookupTable0 = (SimpleArrayLookupTable *) lookupTable;
+            TTGlyphID glyphCode = (TTGlyphID) LE_GET_GLYPH(gid);
+            newGlyph = SWAPW(lookupTable0->valueArray[glyphCode]);
+#endif
+            break;
+        }
+        case ltfSegmentSingle: {
+#ifdef TEST_FORMAT
+            // Disabled pending for design review
+            SegmentSingleLookupTable *lookupTable2 = (SegmentSingleLookupTable *) lookupTable;
+            const LookupSegment *segment = lookupTable2->lookupSegment(lookupTable2->segments, gid);
+            if (segment != NULL) {
+                newGlyph = SWAPW(segment->value);
+            }
+#endif
+            break;
+        }
+        case ltfSegmentArray: {
+            printf("Context Lookup Table Format4: specific interpretation needed!\n");
+            break;
+        }
+        case ltfSingleTable:
+        {
+#ifdef TEST_FORMAT
+            // Disabled pending for design review
+            SingleTableLookupTable *lookupTable6 = (SingleTableLookupTable *) lookupTable;
+            const LookupSingle *segment = lookupTable6->lookupSingle(lookupTable6->entries, gid);
+            if (segment != NULL) {
+                newGlyph = SWAPW(segment->value);
+            }
+#endif
+            break;
+        }
+        case ltfTrimmedArray: {
+            TrimmedArrayLookupTable *lookupTable8 = (TrimmedArrayLookupTable *) lookupTable;
+            TTGlyphID firstGlyph = SWAPW(lookupTable8->firstGlyph);
+            TTGlyphID lastGlyph  = firstGlyph + SWAPW(lookupTable8->glyphCount);
+            TTGlyphID glyphCode = (TTGlyphID) LE_GET_GLYPH(gid);
+            if ((glyphCode >= firstGlyph) && (glyphCode < lastGlyph)) {
+                newGlyph = SWAPW(lookupTable8->valueArray[glyphCode - firstGlyph]);
+            }
+        }
+        default:
+            break;
+    }
+    return newGlyph;
+}
+
+void ContextualGlyphSubstitutionProcessor2::endStateTable()
+{
+}
+
+U_NAMESPACE_END