1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/*
* Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
* Copyright (C) 2012-2020 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#pragma once
namespace WebCore {
// Must not grow beyond 3 bits, due to packing in StyleProperties.
enum CSSParserMode : uint8_t {
HTMLStandardMode,
HTMLQuirksMode,
// SVG attributes are parsed in quirks mode but rules differ slightly.
SVGAttributeMode,
// User agent stylesheets are parsed in standards mode but also allows internal properties and values.
UASheetMode,
// WebVTT places limitations on external resources.
WebVTTMode
};
inline bool isQuirksModeBehavior(CSSParserMode mode)
{
return mode == HTMLQuirksMode;
}
inline bool isUASheetBehavior(CSSParserMode mode)
{
return mode == UASheetMode;
}
inline bool isUnitlessValueParsingEnabledForMode(CSSParserMode mode)
{
return mode == SVGAttributeMode;
}
// FIXME-NEWPARSER: Next two functions should be removed eventually.
inline CSSParserMode strictToCSSParserMode(bool inStrictMode)
{
return inStrictMode ? HTMLStandardMode : HTMLQuirksMode;
}
inline bool isStrictParserMode(CSSParserMode cssParserMode)
{
switch (cssParserMode) {
case UASheetMode:
case HTMLStandardMode:
case SVGAttributeMode:
case WebVTTMode:
return true;
case HTMLQuirksMode:
return false;
}
ASSERT_NOT_REACHED();
return false;
}
} // namespace WebCore
|
