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 2013 - All Rights Reserved
29 *
30 */
31
32#ifndef __CONTEXTUALGLYPHINSERTIONPROCESSOR2_H
33#define __CONTEXTUALGLYPHINSERTIONPROCESSOR2_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 "ContextualGlyphInsertionProc2.h"
45#include "ContextualGlyphInsertion.h"
46
47U_NAMESPACE_BEGIN
48
49class LEGlyphStorage;
50
51class ContextualGlyphInsertionProcessor2 : public StateTableProcessor2
52{
53public:
54    virtual void beginStateTable();
55
56    virtual le_uint16 processStateEntry(LEGlyphStorage &glyphStorage,
57                                        le_int32 &currGlyph, EntryTableIndex2 index, LEErrorCode &success);
58
59    virtual void endStateTable();
60
61    ContextualGlyphInsertionProcessor2(const LEReferenceTo<MorphSubtableHeader2> &morphSubtableHeader, LEErrorCode &success);
62    virtual ~ContextualGlyphInsertionProcessor2();
63
64    /**
65     * ICU "poor man's RTTI", returns a UClassID for the actual class.
66     *
67     * @stable ICU 2.8
68     */
69    virtual UClassID getDynamicClassID() const;
70
71    /**
72     * ICU "poor man's RTTI", returns a UClassID for this class.
73     *
74     * @stable ICU 2.8
75     */
76    static UClassID getStaticClassID();
77
78private:
79    ContextualGlyphInsertionProcessor2();
80
81    /**
82     * Perform the actual insertion
83     * @param atGlyph index of glyph to insert at
84     * @param index index into the insertionTable (in/out)
85     * @param count number of insertions
86     * @param isKashidaLike Kashida like (vs Split Vowel like). No effect currently.
87     * @param isBefore if true, insert extra glyphs before the marked glyph
88     */
89    void doInsertion(LEGlyphStorage &glyphStorage,
90                              le_int16 atGlyph,
91                              le_int16 &index,
92                              le_int16 count,
93                              le_bool isKashidaLike,
94                              le_bool isBefore,
95                              LEErrorCode &success);
96
97
98protected:
99    le_int32 markGlyph;
100    LEReferenceToArrayOf<le_uint16> insertionTable;
101    LEReferenceToArrayOf<ContextualGlyphInsertionStateEntry2> entryTable;
102    LEReferenceTo<ContextualGlyphInsertionHeader2> contextualGlyphHeader;
103};
104
105U_NAMESPACE_END
106#endif
107