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LibHTML: Handle stand-alone attribute selectors

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A selector like "[foo]" is now parsed as a universal selector component
with an attribute match type. Pretty neat :^)
This commit is contained in:
Andreas Kling
2019-11-21 20:19:00 +01:00
parent c02f560f73
commit 61ba19f031
2 changed files with 13 additions and 4 deletions
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5
Base/home/anon/www/attrselectors.html
View File

@@ -2,6 +2,10 @@
<head>
<title>CSS attribute selector test</title>
<style type="text/css">
[hello=friends] {
background-color: #f0f;
color: white;
}
div[id="foo"] {
background-color: blue;
color: #fff;
@@ -13,6 +17,7 @@
</style>
</head>
<body>
<div hello=friends>This div is hello, friends!</div>
<div id="foo">This div has id="foo" and is bloo!</div>
<div cool="">This div has a "cool" attribute and a cool green color.</div>
</body>

12
Libraries/LibHTML/Parser/CSSParser.cpp
View File

@@ -244,14 +244,18 @@ public:
} else if (peek() == '#') {
type = Selector::Component::Type::Id;
consume_one();
} else {
} else if (isalpha(peek())) {
type = Selector::Component::Type::TagName;
} else {
type = Selector::Component::Type::Universal;
}
while (is_valid_selector_char(peek()))
buffer.append(consume_one());
if (type != Selector::Component::Type::Universal) {
while (is_valid_selector_char(peek()))
buffer.append(consume_one());
PARSE_ASSERT(!buffer.is_null());
}
PARSE_ASSERT(!buffer.is_null());
Selector::Component component {
type,
Selector::Component::PseudoClass::None,