1 /*
2 * Copyright (C) 2011 Google, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_TEXT_UNICODE_BIDI_H_
27 #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_TEXT_UNICODE_BIDI_H_
28
29 namespace blink {
30
31 enum class UnicodeBidi : unsigned {
32 kNormal,
33 kEmbed,
34 kBidiOverride,
35 kIsolate,
36 kPlaintext,
37 kIsolateOverride,
38 };
39
IsIsolated(const UnicodeBidi & unicode_bidi)40 inline bool IsIsolated(const UnicodeBidi& unicode_bidi) {
41 return unicode_bidi == UnicodeBidi::kIsolate ||
42 unicode_bidi == UnicodeBidi::kIsolateOverride ||
43 unicode_bidi == UnicodeBidi::kPlaintext;
44 }
45
IsOverride(UnicodeBidi unicode_bidi)46 inline bool IsOverride(UnicodeBidi unicode_bidi) {
47 return unicode_bidi == UnicodeBidi::kBidiOverride ||
48 unicode_bidi == UnicodeBidi::kIsolateOverride;
49 }
50
51 } // namespace blink
52
53 #endif
54