1/*
2 *
3 * (C) Copyright IBM Corp.  and others 1998-2013 - All Rights Reserved
4 *
5 */
6
7#ifndef __CONTEXTUALGLYPHSUBSTITUTIONPROCESSOR2_H
8#define __CONTEXTUALGLYPHSUBSTITUTIONPROCESSOR2_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 "ContextualGlyphSubstitution.h"
20
21U_NAMESPACE_BEGIN
22
23class LEGlyphStorage;
24
25class ContextualGlyphSubstitutionProcessor2 : public StateTableProcessor2
26{
27public:
28    virtual void beginStateTable();
29
30    virtual le_uint16 processStateEntry(LEGlyphStorage &glyphStorage, le_int32 &currGlyph, EntryTableIndex2 index);
31
32    virtual void endStateTable();
33
34    ContextualGlyphSubstitutionProcessor2(const MorphSubtableHeader2 *morphSubtableHeader);
35    virtual ~ContextualGlyphSubstitutionProcessor2();
36
37    /**
38     * ICU "poor man's RTTI", returns a UClassID for the actual class.
39     *
40     * @stable ICU 2.8
41     */
42    virtual UClassID getDynamicClassID() const;
43
44    /**
45     * ICU "poor man's RTTI", returns a UClassID for this class.
46     *
47     * @stable ICU 2.8
48     */
49    static UClassID getStaticClassID();
50
51private:
52    ContextualGlyphSubstitutionProcessor2();
53    TTGlyphID lookup(le_uint32 offset, LEGlyphID gid);
54
55protected:
56    const le_uint32* perGlyphTable;
57    const ContextualGlyphStateEntry2 *entryTable;
58
59    le_int16 perGlyphTableFormat;
60    le_int32 markGlyph;
61
62    const ContextualGlyphHeader2 *contextualGlyphHeader;
63
64};
65
66U_NAMESPACE_END
67#endif
68