1/*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.  Oracle designates this
7 * particular file as subject to the "Classpath" exception as provided
8 * by Oracle in the LICENSE file that accompanied this code.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26/*
27 *
28 * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
29 *
30 */
31
32#ifndef __CONTEXTUALGLYPHSUBSTITUTIONPROCESSOR_H
33#define __CONTEXTUALGLYPHSUBSTITUTIONPROCESSOR_H
34
35/**
36 * \file
37 * \internal
38 */
39
40#include "LETypes.h"
41#include "MorphTables.h"
42#include "SubtableProcessor.h"
43#include "StateTableProcessor.h"
44#include "ContextualGlyphSubstitution.h"
45
46U_NAMESPACE_BEGIN
47
48class LEGlyphStorage;
49
50class ContextualGlyphSubstitutionProcessor : public StateTableProcessor
51{
52public:
53    virtual void beginStateTable();
54
55    virtual ByteOffset processStateEntry(LEGlyphStorage &glyphStorage, le_int32 &currGlyph, EntryTableIndex index, LEErrorCode &success);
56
57    virtual void endStateTable();
58
59    ContextualGlyphSubstitutionProcessor(const LEReferenceTo<MorphSubtableHeader> &morphSubtableHeader, LEErrorCode &success);
60    virtual ~ContextualGlyphSubstitutionProcessor();
61
62    /**
63     * ICU "poor man's RTTI", returns a UClassID for the actual class.
64     *
65     * @stable ICU 2.8
66     */
67    virtual UClassID getDynamicClassID() const;
68
69    /**
70     * ICU "poor man's RTTI", returns a UClassID for this class.
71     *
72     * @stable ICU 2.8
73     */
74    static UClassID getStaticClassID();
75
76private:
77    ContextualGlyphSubstitutionProcessor();
78
79protected:
80    ByteOffset substitutionTableOffset;
81    LEReferenceToArrayOf<ContextualGlyphSubstitutionStateEntry> entryTable;
82    LEReferenceToArrayOf<le_int16> int16Table;
83    le_int32 markGlyph;
84
85    LEReferenceTo<ContextualGlyphSubstitutionHeader> contextualGlyphSubstitutionHeader;
86
87};
88
89U_NAMESPACE_END
90#endif
91