74 lines
1.7 KiB
C++
74 lines
1.7 KiB
C++
// Copyright (C) 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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*
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* (C) Copyright IBM Corp. 1998-2014 - All Rights Reserved
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*
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*/
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#ifndef __LIGATURESUBSTITUTIONPROCESSOR_H
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#define __LIGATURESUBSTITUTIONPROCESSOR_H
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/**
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* \file
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* \internal
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*/
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#include "LETypes.h"
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#include "MorphTables.h"
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#include "SubtableProcessor.h"
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#include "StateTableProcessor.h"
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#include "LigatureSubstitution.h"
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U_NAMESPACE_BEGIN
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class LEGlyphStorage;
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#define nComponents 16
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class LigatureSubstitutionProcessor : public StateTableProcessor
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{
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public:
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virtual void beginStateTable();
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virtual ByteOffset processStateEntry(LEGlyphStorage &glyphStorage, le_int32 &currGlyph, EntryTableIndex index);
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virtual void endStateTable();
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LigatureSubstitutionProcessor(const LEReferenceTo<MorphSubtableHeader> &morphSubtableHeader, LEErrorCode &success);
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virtual ~LigatureSubstitutionProcessor();
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/**
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* ICU "poor man's RTTI", returns a UClassID for the actual class.
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*
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* @deprecated ICU 54. See {@link icu::LayoutEngine}
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*/
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virtual UClassID getDynamicClassID() const;
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/**
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* ICU "poor man's RTTI", returns a UClassID for this class.
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*
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* @deprecated ICU 54. See {@link icu::LayoutEngine}
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*/
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static UClassID getStaticClassID();
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private:
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LigatureSubstitutionProcessor();
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protected:
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ByteOffset ligatureActionTableOffset;
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ByteOffset componentTableOffset;
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ByteOffset ligatureTableOffset;
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LEReferenceToArrayOf<LigatureSubstitutionStateEntry> entryTable;
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le_int32 componentStack[nComponents];
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le_int16 m;
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LEReferenceTo<LigatureSubstitutionHeader> ligatureSubstitutionHeader;
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};
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U_NAMESPACE_END
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#endif
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