mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-07-15 05:22:04 +00:00
107b47f884
The main motivation here is that the CSS Parser needs to know about PageSelectorList so that we can parse one in `CSSPageRule::set_selector_text()`. Including all of `CSSPageRule.h` there would pull in a lot of other headers that aren't needed.
92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
/*
|
|
* Copyright (c) 2025, Sam Atkins <sam@ladybird.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibWeb/Bindings/CSSPageRulePrototype.h>
|
|
#include <LibWeb/Bindings/Intrinsics.h>
|
|
#include <LibWeb/CSS/CSSPageRule.h>
|
|
#include <LibWeb/CSS/DescriptorID.h>
|
|
#include <LibWeb/CSS/Serialize.h>
|
|
#include <LibWeb/WebIDL/ExceptionOr.h>
|
|
|
|
namespace Web::CSS {
|
|
|
|
GC_DEFINE_ALLOCATOR(CSSPageRule);
|
|
|
|
GC::Ref<CSSPageRule> CSSPageRule::create(JS::Realm& realm, PageSelectorList&& selectors, GC::Ref<CSSPageDescriptors> style, CSSRuleList& rules)
|
|
{
|
|
return realm.create<CSSPageRule>(realm, move(selectors), style, rules);
|
|
}
|
|
|
|
CSSPageRule::CSSPageRule(JS::Realm& realm, PageSelectorList&& selectors, GC::Ref<CSSPageDescriptors> style, CSSRuleList& rules)
|
|
: CSSGroupingRule(realm, rules, Type::Page)
|
|
, m_selectors(move(selectors))
|
|
, m_style(style)
|
|
{
|
|
m_style->set_parent_rule(*this);
|
|
}
|
|
|
|
void CSSPageRule::initialize(JS::Realm& realm)
|
|
{
|
|
WEB_SET_PROTOTYPE_FOR_INTERFACE(CSSPageRule);
|
|
Base::initialize(realm);
|
|
}
|
|
|
|
// https://drafts.csswg.org/cssom/#dom-csspagerule-selectortext
|
|
String CSSPageRule::selector_text() const
|
|
{
|
|
// The selectorText attribute, on getting, must return the result of serializing the associated selector list.
|
|
|
|
// https://www.w3.org/TR/cssom/#serialize-a-group-of-selectors
|
|
// To serialize a group of selectors serialize each selector in the group of selectors and then serialize a comma-separated list of these serializations.
|
|
return MUST(String::join(", "sv, m_selectors));
|
|
}
|
|
|
|
// https://drafts.csswg.org/cssom/#dom-csspagerule-selectortext
|
|
void CSSPageRule::set_selector_text(StringView)
|
|
{
|
|
// FIXME: On setting the selectorText attribute these steps must be run:
|
|
// 1. Run the parse a list of CSS page selectors algorithm on the given value.
|
|
// 2. If the algorithm returns a non-null value replace the associated selector list with the returned value.
|
|
// 3. Otherwise, if the algorithm returns a null value, do nothing.
|
|
}
|
|
|
|
// https://drafts.csswg.org/cssom/#ref-for-csspagerule
|
|
String CSSPageRule::serialized() const
|
|
{
|
|
auto& descriptors = *m_style;
|
|
|
|
StringBuilder builder;
|
|
|
|
// AD-HOC: There's no spec for this yet, but Chrome puts declarations before margin rules.
|
|
builder.append("@page "sv);
|
|
if (auto selector = selector_text(); !selector.is_empty())
|
|
builder.appendff("{} ", selector);
|
|
builder.append("{ "sv);
|
|
if (descriptors.length() > 0) {
|
|
builder.append(descriptors.serialized());
|
|
builder.append(' ');
|
|
}
|
|
for (size_t i = 0; i < css_rules().length(); i++) {
|
|
auto rule = css_rules().item(i);
|
|
auto result = rule->css_text();
|
|
|
|
if (result.is_empty())
|
|
continue;
|
|
|
|
builder.appendff("{} ", result);
|
|
}
|
|
builder.append("}"sv);
|
|
|
|
return builder.to_string_without_validation();
|
|
}
|
|
|
|
void CSSPageRule::visit_edges(Visitor& visitor)
|
|
{
|
|
Base::visit_edges(visitor);
|
|
visitor.visit(m_style);
|
|
}
|
|
|
|
}
|