1/*
2 *
3 * (C) Copyright IBM Corp.  and others 1998-2013 - All Rights Reserved
4 *
5 */
6
7#ifndef __LIGATURESUBSTITUTIONPROCESSOR2_H
8#define __LIGATURESUBSTITUTIONPROCESSOR2_H
9
10/**
11 * \file
12 * \internal
13 */
14
15#include "LETypes.h"
16#include "MorphTables.h"
17#include "SubtableProcessor2.h"
18#include "StateTableProcessor2.h"
19#include "LigatureSubstitution.h"
20
21U_NAMESPACE_BEGIN
22
23class LEGlyphStorage;
24
25#define nComponents 16
26
27class LigatureSubstitutionProcessor2 : public StateTableProcessor2
28{
29public:
30    virtual void beginStateTable();
31
32    virtual le_uint16 processStateEntry(LEGlyphStorage &glyphStorage, le_int32 &currGlyph,
33                                        EntryTableIndex2 index, LEErrorCode &success);
34
35    virtual void endStateTable();
36
37    LigatureSubstitutionProcessor2(const LEReferenceTo<MorphSubtableHeader2> &morphSubtableHeader, LEErrorCode &success);
38    virtual ~LigatureSubstitutionProcessor2();
39
40    /**
41     * ICU "poor man's RTTI", returns a UClassID for the actual class.
42     *
43     * @stable ICU 2.8
44     */
45    virtual UClassID getDynamicClassID() const;
46
47    /**
48     * ICU "poor man's RTTI", returns a UClassID for this class.
49     *
50     * @stable ICU 2.8
51     */
52    static UClassID getStaticClassID();
53
54private:
55    LigatureSubstitutionProcessor2();
56
57protected:
58    le_uint32 ligActionOffset;
59    le_uint32 componentOffset;
60    le_uint32 ligatureOffset;
61
62    LEReferenceToArrayOf<LigatureSubstitutionStateEntry2> entryTable;
63
64    le_int32 componentStack[nComponents];
65    le_int16 m;
66
67    const LEReferenceTo<LigatureSubstitutionHeader2> ligatureSubstitutionHeader;
68
69};
70
71U_NAMESPACE_END
72#endif
73