--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/native/sun/font/layout/LigatureSubstSubtables.cpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,94 @@
+/*
+ * 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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+/*
+ *
+ * (C) Copyright IBM Corp. 1998-2003 - All Rights Reserved
+ *
+ */
+
+#include "LETypes.h"
+#include "LEGlyphFilter.h"
+#include "OpenTypeTables.h"
+#include "GlyphSubstitutionTables.h"
+#include "LigatureSubstSubtables.h"
+#include "GlyphIterator.h"
+#include "LESwaps.h"
+
+le_uint32 LigatureSubstitutionSubtable::process(GlyphIterator *glyphIterator, const LEGlyphFilter *filter) const
+{
+    LEGlyphID glyph = glyphIterator->getCurrGlyphID();
+    le_int32 coverageIndex = getGlyphCoverage(glyph);
+
+    if (coverageIndex >= 0) {
+        Offset ligSetTableOffset = SWAPW(ligSetTableOffsetArray[coverageIndex]);
+        const LigatureSetTable *ligSetTable = (const LigatureSetTable *) ((char *) this + ligSetTableOffset);
+        le_uint16 ligCount = SWAPW(ligSetTable->ligatureCount);
+
+        for (le_uint16 lig = 0; lig < ligCount; lig += 1) {
+            Offset ligTableOffset = SWAPW(ligSetTable->ligatureTableOffsetArray[lig]);
+            const LigatureTable *ligTable = (const LigatureTable *) ((char *)ligSetTable + ligTableOffset);
+            le_uint16 compCount = SWAPW(ligTable->compCount) - 1;
+            le_int32 startPosition = glyphIterator->getCurrStreamPosition();
+            TTGlyphID ligGlyph = SWAPW(ligTable->ligGlyph);
+            le_uint16 comp;
+
+            if (filter != NULL && ! filter->accept(LE_SET_GLYPH(glyph, ligGlyph))) {
+                continue;
+            }
+
+            for (comp = 0; comp < compCount; comp += 1) {
+                if (! glyphIterator->next()) {
+                    break;
+                }
+
+                if (LE_GET_GLYPH(glyphIterator->getCurrGlyphID()) != SWAPW(ligTable->componentArray[comp])) {
+                    break;
+                }
+            }
+
+            if (comp == compCount) {
+                GlyphIterator tempIterator(*glyphIterator);
+                TTGlyphID deletedGlyph = tempIterator.ignoresMarks()? 0xFFFE : 0xFFFF;
+
+                while (comp > 0) {
+                    tempIterator.setCurrGlyphID(deletedGlyph);
+                    tempIterator.prev();
+
+                    comp -= 1;
+                }
+
+                tempIterator.setCurrGlyphID(ligGlyph);
+
+                return compCount + 1;
+            }
+
+            glyphIterator->setCurrStreamPosition(startPosition);
+        }
+
+    }
+
+    return 0;
+}