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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/*
* Copyright (C) 2025 Samuel Weinig <sam@webkit.org>
*
* 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 "StyleURL.h"
#include "CSSURLValue.h"
#include "Document.h"
#include "StyleBuilderState.h"
#include <wtf/text/TextStream.h>
namespace WebCore {
namespace Style {
// Possible states/transitions:
//
// 1. empty (empty string)
// CSS: [.specified = "", .resolved = "" ]
// Style: [.resolved = ""]
// 2. local (starts with #)
// CSS: [.specified = "#foo", .resolved = "#foo"]
// Style: [.resolved = "#foo"]
// 3. relative, in stylesheet
// CSS: [.specified = "foo/bar.png", .resolved = { stylesheet-base-url, "foo/bar.png" }]
// Style: [.resolved = { stylesheet-base-url, "foo/bar.png" }]
// 4. relative, in document with base-url
// CSS: [.specified = "foo/bar.png", .resolved = { "foo/bar.png", document-base-url }]
// Style: [.resolved = { document-base-url, "foo/bar.png" }]
// 5. relative, in document without base-url
// CSS: [.specified = "foo/bar.png", .resolved = null-url]
// Style: [.resolved = "foo/bar.png"]
auto toStyleWithScriptExecutionContext(const CSS::URL& url, const ScriptExecutionContext& context) -> URL
{
if (url.resolved.isNull()) {
return {
.resolved = context.completeURL(url.specified),
.modifiers = url.modifiers,
};
}
return {
.resolved = url.resolved,
.modifiers = url.modifiers,
};
}
auto ToCSS<URL>::operator()(const URL& url, const RenderStyle&) -> CSS::URL
{
return {
.specified = url.resolved.string(),
.resolved = url.resolved,
.modifiers = url.modifiers,
};
}
auto ToStyle<CSS::URL>::operator()(const CSS::URL& url, const BuilderState& state) -> URL
{
return toStyleWithScriptExecutionContext(url, state.protectedDocument());
}
Ref<CSSValue> CSSValueCreation<URL>::operator()(CSSValuePool&, const RenderStyle& style, const URL& value)
{
return CSSURLValue::create(toCSS(value, style));
}
// MARK: - Serialization
void Serialize<URL>::operator()(StringBuilder& builder, const CSS::SerializationContext& context, const RenderStyle& style, const URL& value)
{
CSS::serializationForCSS(builder, context, toCSS(value, style));
}
// MARK: - Logging
TextStream& operator<<(TextStream& ts, const URL& value)
{
ts << "url(\""_s << value.resolved << "\"";
if (value.modifiers.crossOrigin) {
ts << " cross-origin("_s;
WTF::switchOn(value.modifiers.crossOrigin->parameters, [&](const auto& alternative) {
ts << alternative;
});
ts << ")"_s;
}
if (value.modifiers.integrity) {
ts << " integrity("_s;
ts << *value.modifiers.integrity;
ts << ")"_s;
}
if (value.modifiers.referrerPolicy) {
ts << " referrer-policy("_s;
WTF::switchOn(value.modifiers.referrerPolicy->parameters, [&](const auto& alternative) {
ts << alternative;
});
ts << ")"_s;
}
ts << ")";
return ts;
}
} // namespace Style
} // namespace WebCore
|
