// Copyright (C) 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
 *
 * (C) Copyright IBM Corp.  and others 1998-2016 - All Rights Reserved
 *
 */

#ifndef __STATETABLEPROCESSOR2_H
#define __STATETABLEPROCESSOR2_H

/**
 * \file
 * \internal
 */

#include "LETypes.h"
#include "MorphTables.h"
#include "MorphStateTables.h"
#include "SubtableProcessor2.h"
#include "LookupTables.h"

U_NAMESPACE_BEGIN

class LEGlyphStorage;

class StateTableProcessor2 : public SubtableProcessor2
{
public:
    void process(LEGlyphStorage &glyphStorage, LEErrorCode &success);

    virtual void beginStateTable() = 0;

    virtual le_uint16 processStateEntry(LEGlyphStorage &glyphStorage, le_int32 &currGlyph, EntryTableIndex2 index, LEErrorCode &success) = 0;

    virtual void endStateTable() = 0;

protected:
    StateTableProcessor2(const LEReferenceTo<MorphSubtableHeader2> &morphSubtableHeader, LEErrorCode &success);
    virtual ~StateTableProcessor2();

    StateTableProcessor2();

    le_int32  dir;
    le_uint16 format;
    le_uint32 nClasses;
    le_uint32 classTableOffset;
    le_uint32 stateArrayOffset;
    le_uint32 entryTableOffset;

    LEReferenceTo<LookupTableBase> classTable;
    LEReferenceToArrayOf<EntryTableIndex2> stateArray;
    LEReferenceTo<MorphStateTableHeader2> stateTableHeader;
    LEReferenceTo<StateTableHeader2> stHeader; // for convenience

private:
    StateTableProcessor2(const StateTableProcessor2 &other); // forbid copying of this class
    StateTableProcessor2 &operator=(const StateTableProcessor2 &other); // forbid copying of this class
};

U_NAMESPACE_END
#endif