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.  and others 1998-2013 - All Rights Reserved
29 *
30 */
31
32#ifndef __LIGATURESUBSTITUTIONPROCESSOR2_H
33#define __LIGATURESUBSTITUTIONPROCESSOR2_H
34
35/**
36 * \file
37 * \internal
38 */
39
40#include "LETypes.h"
41#include "MorphTables.h"
42#include "SubtableProcessor2.h"
43#include "StateTableProcessor2.h"
44#include "LigatureSubstitution.h"
45
46U_NAMESPACE_BEGIN
47
48class LEGlyphStorage;
49
50#define nComponents 16
51
52class LigatureSubstitutionProcessor2 : public StateTableProcessor2
53{
54public:
55    virtual void beginStateTable();
56
57    virtual le_uint16 processStateEntry(LEGlyphStorage &glyphStorage, le_int32 &currGlyph,
58                                        EntryTableIndex2 index, LEErrorCode &success);
59
60    virtual void endStateTable();
61
62    LigatureSubstitutionProcessor2(const LEReferenceTo<MorphSubtableHeader2> &morphSubtableHeader, LEErrorCode &success);
63    virtual ~LigatureSubstitutionProcessor2();
64
65    /**
66     * ICU "poor man's RTTI", returns a UClassID for the actual class.
67     *
68     * @stable ICU 2.8
69     */
70    virtual UClassID getDynamicClassID() const;
71
72    /**
73     * ICU "poor man's RTTI", returns a UClassID for this class.
74     *
75     * @stable ICU 2.8
76     */
77    static UClassID getStaticClassID();
78
79private:
80    LigatureSubstitutionProcessor2();
81
82protected:
83    le_uint32 ligActionOffset;
84    le_uint32 componentOffset;
85    le_uint32 ligatureOffset;
86
87    LEReferenceToArrayOf<LigatureSubstitutionStateEntry2> entryTable;
88
89    le_int32 componentStack[nComponents];
90    le_int16 m;
91
92    const LEReferenceTo<LigatureSubstitutionHeader2> ligatureSubstitutionHeader;
93
94};
95
96U_NAMESPACE_END
97#endif
98