summaryrefslogtreecommitdiff
path: root/Build/source/libs/icu/icu-4.4/layout/ContextualGlyphSubstProc.h
blob: b0c5a6b38c33f14eb227f74764b01c8c8b74499c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
/*
 *
 * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
 *
 */

#ifndef __CONTEXTUALGLYPHSUBSTITUTIONPROCESSOR_H
#define __CONTEXTUALGLYPHSUBSTITUTIONPROCESSOR_H

/**
 * \file
 * \internal
 */

#include "LETypes.h"
#include "MorphTables.h"
#include "SubtableProcessor.h"
#include "StateTableProcessor.h"
#include "ContextualGlyphSubstitution.h"

U_NAMESPACE_BEGIN

class LEGlyphStorage;

class ContextualGlyphSubstitutionProcessor : public StateTableProcessor
{
public:
    virtual void beginStateTable();

    virtual ByteOffset processStateEntry(LEGlyphStorage &glyphStorage, le_int32 &currGlyph, EntryTableIndex index);

    virtual void endStateTable();

    ContextualGlyphSubstitutionProcessor(const MorphSubtableHeader *morphSubtableHeader);
    virtual ~ContextualGlyphSubstitutionProcessor();

    /**
     * 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:
    ContextualGlyphSubstitutionProcessor();

protected:
    ByteOffset substitutionTableOffset;
    const ContextualGlyphSubstitutionStateEntry *entryTable;

    le_int32 markGlyph;

    const ContextualGlyphSubstitutionHeader *contextualGlyphSubstitutionHeader;

};

U_NAMESPACE_END
#endif