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/*
*
* (C) Copyright IBM Corp. 1998-2013 - 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 LEReferenceTo<MorphSubtableHeader> &morphSubtableHeader, LEErrorCode &success);
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;
LEReferenceToArrayOf<LigatureSubstitutionStateEntry> entryTable;
le_int32 componentStack[nComponents];
le_int16 m;
LEReferenceTo<LigatureSubstitutionHeader> ligatureSubstitutionHeader;
};
U_NAMESPACE_END
#endif
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