ladybird/Libraries/LibWeb/CSS/Flex.h
Sam Atkins 995c19da56 LibWeb/CSS: Return unit names as FlyStrings
From the CSS token side, we already have these in FlyString form. From
the generated code side, we can easily return FlyStrings instead of
StringViews. So, let's do that, and save some work converting back and
forth.
2025-09-12 13:45:41 +02:00

60 lines
1.4 KiB
C++

/*
* Copyright (c) 2023-2025, Sam Atkins <sam@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/String.h>
#include <LibWeb/CSS/SerializationMode.h>
#include <LibWeb/CSS/Units.h>
#include <LibWeb/Forward.h>
namespace Web::CSS {
// https://drafts.csswg.org/css-grid-2/#typedef-flex
class Flex {
public:
Flex(double value, FlexUnit unit);
static Flex make_fr(double);
Flex percentage_of(Percentage const&) const;
String to_string(SerializationMode = SerializationMode::Normal) const;
double to_fr() const;
double raw_value() const { return m_value; }
FlexUnit unit() const { return m_unit; }
FlyString unit_name() const { return CSS::to_string(m_unit); }
bool operator==(Flex const& other) const
{
return m_unit == other.m_unit && m_value == other.m_value;
}
int operator<=>(Flex const& other) const
{
auto this_fr = to_fr();
auto other_fr = other.to_fr();
if (this_fr < other_fr)
return -1;
if (this_fr > other_fr)
return 1;
return 0;
}
private:
FlexUnit m_unit;
double m_value { 0 };
};
}
template<>
struct AK::Formatter<Web::CSS::Flex> : Formatter<StringView> {
ErrorOr<void> format(FormatBuilder& builder, Web::CSS::Flex const& flex)
{
return Formatter<StringView>::format(builder, flex.to_string());
}
};