6e19ab2bbc
We have a new, improved string type coming up in AK (OOM aware, no null state), and while it's going to use UTF-8, the name UTF8String is a mouthful - so let's free up the String name by renaming the existing class. Making the old one have an annoying name will hopefully also help with quick adoption :^)
116 lines
2.8 KiB
C++
116 lines
2.8 KiB
C++
/*
|
|
* Copyright (c) 2021-2022, Sam Atkins <atkinssj@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibWeb/CSS/Parser/Parser.h>
|
|
#include <LibWeb/CSS/Supports.h>
|
|
|
|
namespace Web::CSS {
|
|
|
|
Supports::Supports(NonnullOwnPtr<Condition>&& condition)
|
|
: m_condition(move(condition))
|
|
{
|
|
m_matches = m_condition->evaluate();
|
|
}
|
|
|
|
bool Supports::Condition::evaluate() const
|
|
{
|
|
switch (type) {
|
|
case Type::Not:
|
|
return !children.first().evaluate();
|
|
case Type::And:
|
|
for (auto& child : children) {
|
|
if (!child.evaluate())
|
|
return false;
|
|
}
|
|
return true;
|
|
case Type::Or:
|
|
for (auto& child : children) {
|
|
if (child.evaluate())
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
VERIFY_NOT_REACHED();
|
|
}
|
|
|
|
bool Supports::InParens::evaluate() const
|
|
{
|
|
return value.visit(
|
|
[&](NonnullOwnPtr<Condition> const& condition) {
|
|
return condition->evaluate();
|
|
},
|
|
[&](Feature const& feature) {
|
|
return feature.evaluate();
|
|
},
|
|
[&](GeneralEnclosed const&) {
|
|
return false;
|
|
});
|
|
}
|
|
|
|
bool Supports::Declaration::evaluate() const
|
|
{
|
|
auto style_property = Parser::Parser({}, declaration).parse_as_supports_condition();
|
|
return style_property.has_value();
|
|
}
|
|
|
|
bool Supports::Selector::evaluate() const
|
|
{
|
|
auto style_property = Parser::Parser({}, selector).parse_as_selector();
|
|
return style_property.has_value();
|
|
}
|
|
|
|
bool Supports::Feature::evaluate() const
|
|
{
|
|
return value.visit(
|
|
[&](Declaration const& declaration) {
|
|
return declaration.evaluate();
|
|
},
|
|
[&](Selector const& selector) {
|
|
return selector.evaluate();
|
|
});
|
|
}
|
|
|
|
DeprecatedString Supports::Declaration::to_string() const
|
|
{
|
|
return DeprecatedString::formatted("({})", declaration);
|
|
}
|
|
|
|
DeprecatedString Supports::Selector::to_string() const
|
|
{
|
|
return DeprecatedString::formatted("selector({})", selector);
|
|
}
|
|
|
|
DeprecatedString Supports::Feature::to_string() const
|
|
{
|
|
return value.visit([](auto& it) { return it.to_string(); });
|
|
}
|
|
|
|
DeprecatedString Supports::InParens::to_string() const
|
|
{
|
|
return value.visit(
|
|
[](NonnullOwnPtr<Condition> const& condition) -> DeprecatedString { return DeprecatedString::formatted("({})", condition->to_string()); },
|
|
[](auto& it) -> DeprecatedString { return it.to_string(); });
|
|
}
|
|
|
|
DeprecatedString Supports::Condition::to_string() const
|
|
{
|
|
switch (type) {
|
|
case Type::Not:
|
|
return DeprecatedString::formatted("not {}", children.first().to_string());
|
|
case Type::And:
|
|
return DeprecatedString::join(" and "sv, children);
|
|
case Type::Or:
|
|
return DeprecatedString::join(" or "sv, children);
|
|
}
|
|
VERIFY_NOT_REACHED();
|
|
}
|
|
|
|
DeprecatedString Supports::to_string() const
|
|
{
|
|
return m_condition->to_string();
|
|
}
|
|
|
|
}
|