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LibWeb: Handle http-equiv pragmas without insertion requirements

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These pragmas are either ignored or handled elsewhere
This commit is contained in:
Simon Wanner 2024-09-13 11:44:35 +02:00 committed by Andreas Kling
parent d828d80b75
commit 77610db58c
Notes: github-actions[bot] 2024-09-13 10:11:57 +00:00 
Author: https://github.com/skyrising
Commit: https://github.com/LadybirdBrowser/ladybird/commit/77610db58cd
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/1388
1 changed files with 16 additions and 0 deletions
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16
Userland/Libraries/LibWeb/HTML/HTMLMetaElement.cpp
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@ -90,6 +90,11 @@ void HTMLMetaElement::inserted()
auto http_equiv = http_equiv_state();
if (http_equiv.has_value()) {
switch (http_equiv.value()) {
case HttpEquivAttributeState::EncodingDeclaration:
// https://html.spec.whatwg.org/multipage/semantics.html#attr-meta-http-equiv-content-type
// The Encoding declaration state is just an alternative form of setting the charset attribute: it is a character encoding declaration.
// This state's user agent requirements are all handled by the parsing section of the specification.
break;
case HttpEquivAttributeState::Refresh: {
// https://html.spec.whatwg.org/multipage/semantics.html#attr-meta-http-equiv-refresh
// 1. If the meta element has no content attribute, or if that attribute's value is the empty string, then return.
@ -105,6 +110,17 @@ void HTMLMetaElement::inserted()
document().shared_declarative_refresh_steps(input, this);
break;
}
case HttpEquivAttributeState::SetCookie:
// https://html.spec.whatwg.org/multipage/semantics.html#attr-meta-http-equiv-set-cookie
// This pragma is non-conforming and has no effect.
// User agents are required to ignore this pragma.
break;
case HttpEquivAttributeState::XUACompatible:
// https://html.spec.whatwg.org/multipage/semantics.html#attr-meta-http-equiv-x-ua-compatible
// In practice, this pragma encourages Internet Explorer to more closely follow the specifications.
// For meta elements with an http-equiv attribute in the X-UA-Compatible state, the content attribute must have a value that is an ASCII case-insensitive match for the string "IE=edge".
// User agents are required to ignore this pragma.
break;
default:
dbgln("FIXME: Implement '{}' http-equiv state", get_attribute_value(AttributeNames::http_equiv));
break;