79 lines
1.8 KiB
C++
79 lines
1.8 KiB
C++
/*
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* @(#)LigatureSubstProc.h 1.6 00/03/15
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*
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* (C) Copyright IBM Corp. 1998-2003 - 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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#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(LEGlyphID *glyphs, le_int32 *charIndices, le_int32 &currGlyph,
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le_int32 glyphCount, EntryTableIndex index);
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virtual void endStateTable();
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LigatureSubstitutionProcessor(const MorphSubtableHeader *morphSubtableHeader);
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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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* @draft ICU 2.2
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*/
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virtual inline UClassID getDynamicClassID() const { return getStaticClassID(); }
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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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* @draft ICU 2.2
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*/
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static inline UClassID getStaticClassID() { return (UClassID)&fgClassID; }
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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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const LigatureSubstitutionStateEntry *entryTable;
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le_int32 componentStack[nComponents];
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le_int16 m;
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const LigatureSubstitutionHeader *ligatureSubstitutionHeader;
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private:
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/**
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* The address of this static class variable serves as this class's ID
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* for ICU "poor man's RTTI".
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*/
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static const char fgClassID;
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};
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U_NAMESPACE_END
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#endif
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