File: ContainerQueryParser.cpp

package info (click to toggle)
webkit2gtk 2.42.2-1~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 362,452 kB
  • sloc: cpp: 2,881,971; javascript: 282,447; ansic: 134,088; python: 43,789; ruby: 18,308; perl: 15,872; asm: 14,389; xml: 4,395; yacc: 2,350; sh: 2,074; java: 1,734; lex: 1,323; makefile: 288; pascal: 60
file content (86 lines) | stat: -rw-r--r-- 3,033 bytes parent folder | download | duplicates (2)
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
84
85
86
/*
 * Copyright (C) 2022 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 APPLE INC. ``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 APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * 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.
 */

#include "config.h"
#include "ContainerQueryParser.h"

#include "CSSPrimitiveValue.h"
#include "CSSPropertyParserHelpers.h"
#include "ContainerQueryFeatures.h"

namespace WebCore {

using namespace MQ;

Vector<const FeatureSchema*> ContainerQueryParser::featureSchemas()
{
    return {
        &CQ::Features::width(),
        &CQ::Features::height(),
        &CQ::Features::inlineSize(),
        &CQ::Features::blockSize(),
        &CQ::Features::aspectRatio(),
        &CQ::Features::orientation(),
    };
}

std::optional<CQ::ContainerQuery> ContainerQueryParser::consumeContainerQuery(CSSParserTokenRange& range, const MediaQueryParserContext& context)
{
    ContainerQueryParser parser({ context });
    return parser.consumeContainerQuery(range);
}

std::optional<CQ::ContainerQuery> ContainerQueryParser::consumeContainerQuery(CSSParserTokenRange& range)
{
    auto consumeName = [&] {
        if (range.peek().type() == LeftParenthesisToken || range.peek().type() == FunctionToken)
            return nullAtom();
        auto nameValue = CSSPropertyParserHelpers::consumeSingleContainerName(range);
        if (!nameValue)
            return nullAtom();
        return AtomString { nameValue->stringValue() };
    };

    auto name = consumeName();

    m_requiredAxes = { };

    auto condition = consumeCondition(range);
    if (!condition)
        return { };

    return CQ::ContainerQuery { name, m_requiredAxes, *condition };
}

std::optional<MQ::Feature> ContainerQueryParser::consumeFeature(CSSParserTokenRange& range)
{
    auto sizeFeature = MQ::GenericMediaQueryParser<ContainerQueryParser>::consumeFeature(range);
    if (!sizeFeature)
        return { };

    m_requiredAxes.add(CQ::requiredAxesForFeature(*sizeFeature));
    return sizeFeature;
}

}