1/*
2 * Copyright (C) 2015 Frederic Wang (fred.wang@free.fr). 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS
14 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
15 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
16 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
17 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
18 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
19 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY 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#pragma once
27
28#if ENABLE(MATHML)
29
30#include <unicode/utypes.h>
31#include <wtf/Forward.h>
32
33namespace WebCore {
34
35namespace MathMLOperatorDictionary {
36enum Form { Infix, Prefix, Postfix };
37enum Flag {
38 Accent = 0x1, // FIXME: This must be used to implement accentunder/accent on munderover (https://bugs.webkit.org/show_bug.cgi?id=124826).
39 Fence = 0x2, // This has no visual effect but allows to expose semantic information via the accessibility tree.
40 LargeOp = 0x4,
41 MovableLimits = 0x8,
42 Separator = 0x10, // This has no visual effect but allows to expose semantic information via the accessibility tree.
43 Stretchy = 0x20,
44 Symmetric = 0x40
45};
46const unsigned allFlags = Accent | Fence | LargeOp | MovableLimits | Separator | Stretchy | Symmetric;
47struct Property {
48 MathMLOperatorDictionary::Form form;
49 // Default leading and trailing spaces are "thickmathspace".
50 unsigned short leadingSpaceInMathUnit { 5 };
51 unsigned short trailingSpaceInMathUnit { 5 };
52 // Default operator properties are all set to "false".
53 unsigned short flags { 0 };
54};
55Optional<Property> search(UChar32, Form, bool explicitForm);
56bool isVertical(UChar32);
57}
58
59}
60#endif // ENABLE(MATHML)
61