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1 /*
2  *
3  * (C) Copyright IBM Corp.  and others 1998-2014 - 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 
21 U_NAMESPACE_BEGIN
22 
23 class LEGlyphStorage;
24 
25 #define nComponents 16
26 
27 class LigatureSubstitutionProcessor2 : public StateTableProcessor2
28 {
29 public:
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      * @deprecated ICU 54. See {@link icu::LayoutEngine}
44      */
45     virtual UClassID getDynamicClassID() const;
46 
47     /**
48      * ICU "poor man's RTTI", returns a UClassID for this class.
49      *
50      * @deprecated ICU 54. See {@link icu::LayoutEngine}
51      */
52     static UClassID getStaticClassID();
53 
54 private:
55     LigatureSubstitutionProcessor2();
56 
57 protected:
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 
71 U_NAMESPACE_END
72 #endif
73