1 /*
2  *
3  * (C) Copyright IBM Corp. 1998-2014 - All Rights Reserved
4  *
5  */
6 
7 #ifndef __CONTEXTUALGLYPHSUBSTITUTIONPROCESSOR_H
8 #define __CONTEXTUALGLYPHSUBSTITUTIONPROCESSOR_H
9 
10 /**
11  * \file
12  * \internal
13  */
14 
15 #include "LETypes.h"
16 #include "MorphTables.h"
17 #include "SubtableProcessor.h"
18 #include "StateTableProcessor.h"
19 #include "ContextualGlyphSubstitution.h"
20 
21 U_NAMESPACE_BEGIN
22 
23 class LEGlyphStorage;
24 
25 class ContextualGlyphSubstitutionProcessor : public StateTableProcessor
26 {
27 public:
28     virtual void beginStateTable();
29 
30     virtual ByteOffset processStateEntry(LEGlyphStorage &glyphStorage, le_int32 &currGlyph, EntryTableIndex index);
31 
32     virtual void endStateTable();
33 
34     ContextualGlyphSubstitutionProcessor(const LEReferenceTo<MorphSubtableHeader> &morphSubtableHeader, LEErrorCode &success);
35     virtual ~ContextualGlyphSubstitutionProcessor();
36 
37     /**
38      * ICU "poor man's RTTI", returns a UClassID for the actual class.
39      *
40      * @deprecated ICU 54. See {@link icu::LayoutEngine}
41      */
42     virtual UClassID getDynamicClassID() const;
43 
44     /**
45      * ICU "poor man's RTTI", returns a UClassID for this class.
46      *
47      * @deprecated ICU 54. See {@link icu::LayoutEngine}
48      */
49     static UClassID getStaticClassID();
50 
51 private:
52     ContextualGlyphSubstitutionProcessor();
53 
54 protected:
55     ByteOffset substitutionTableOffset;
56     LEReferenceToArrayOf<ContextualGlyphSubstitutionStateEntry> entryTable;
57     LEReferenceToArrayOf<le_int16> int16Table;
58     le_int32 markGlyph;
59 
60     LEReferenceTo<ContextualGlyphSubstitutionHeader> contextualGlyphSubstitutionHeader;
61 
62 };
63 
64 U_NAMESPACE_END
65 #endif
66