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. 1998-2013 - All Rights Reserved
29 *
30 */
31
32#ifndef __LEGLYPHFILTER__H
33#define __LEGLYPHFILTER__H
34
35#include "LETypes.h"
36
37U_NAMESPACE_BEGIN
38
39#ifndef U_HIDE_INTERNAL_API
40/**
41 * This is a helper class that is used to
42 * recognize a set of glyph indices.
43 *
44 * @internal
45 */
46class LEGlyphFilter /* not : public UObject because this is an interface/mixin class */ {
47public:
48    /**
49     * Destructor.
50     * @internal
51     */
52    virtual ~LEGlyphFilter();
53
54    /**
55     * This method is used to test a particular
56     * glyph index to see if it is in the set
57     * recognized by the filter.
58     *
59     * @param glyph - the glyph index to be tested
60     *
61     * @return TRUE if the glyph index is in the set.
62     *
63     * @internal
64     */
65    virtual le_bool accept(LEGlyphID glyph, LEErrorCode &success) const = 0;
66};
67#endif  /* U_HIDE_INTERNAL_API */
68
69U_NAMESPACE_END
70#endif
71