fontservices/textshaperplugin/IcuSource/layout/LigatureSubstProc.h
changeset 0 1fb32624e06b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fontservices/textshaperplugin/IcuSource/layout/LigatureSubstProc.h	Tue Feb 02 02:02:46 2010 +0200
@@ -0,0 +1,71 @@
+/*
+ *
+ * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
+ *
+ */
+
+#ifndef __LIGATURESUBSTITUTIONPROCESSOR_H
+#define __LIGATURESUBSTITUTIONPROCESSOR_H
+
+/**
+ * \file
+ * \internal
+ */
+
+#include "LETypes.h"
+#include "MorphTables.h"
+#include "SubtableProcessor.h"
+#include "StateTableProcessor.h"
+#include "LigatureSubstitution.h"
+
+U_NAMESPACE_BEGIN
+
+class LEGlyphStorage;
+
+#define nComponents 16
+
+class LigatureSubstitutionProcessor : public StateTableProcessor
+{
+public:
+    virtual void beginStateTable();
+
+    virtual ByteOffset processStateEntry(LEGlyphStorage &glyphStorage, le_int32 &currGlyph, EntryTableIndex index);
+
+    virtual void endStateTable();
+
+    LigatureSubstitutionProcessor(const MorphSubtableHeader *morphSubtableHeader);
+    virtual ~LigatureSubstitutionProcessor();
+
+    /**
+     * ICU "poor man's RTTI", returns a UClassID for the actual class.
+     *
+     * @stable ICU 2.8
+     */
+    virtual UClassID getDynamicClassID() const;
+
+    /**
+     * ICU "poor man's RTTI", returns a UClassID for this class.
+     *
+     * @stable ICU 2.8
+     */
+    static UClassID getStaticClassID();
+
+private:
+    LigatureSubstitutionProcessor();
+
+protected:
+    ByteOffset ligatureActionTableOffset;
+    ByteOffset componentTableOffset;
+    ByteOffset ligatureTableOffset;
+
+    const LigatureSubstitutionStateEntry *entryTable;
+
+    le_int32 componentStack[nComponents];
+    le_int16 m;
+
+    const LigatureSubstitutionHeader *ligatureSubstitutionHeader;
+
+};
+
+U_NAMESPACE_END
+#endif