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Meta/CodeGenerators+LibWeb: Implement parsing CSS easing functions

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This only implements the parser bits, no functionality is implemented,
and no properties are parsed because of this.
This commit is contained in:
Ali Mohammad Pur 2023-07-06 02:29:36 +03:30 • committed by Andreas Kling
parent 401544f68f
commit dd073b2711
13 changed files with 471 additions and 5 deletions
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45
Userland/Libraries/LibWeb/CSS/StyleValues/EasingStyleValue.cpp Normal file
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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
* Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
* Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
* Copyright (c) 2023, Ali Mohammad Pur <mpfard@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "EasingStyleValue.h"
#include <AK/StringBuilder.h>
namespace Web::CSS {
ErrorOr<String> EasingStyleValue::to_string() const
{
if (m_properties.easing_function == EasingFunction::StepStart)
return "steps(1, start)"_string;
if (m_properties.easing_function == EasingFunction::StepEnd)
return "steps(1, end)"_string;
StringBuilder builder;
TRY(builder.try_append(CSS::to_string(m_properties.easing_function)));
if (m_properties.values.is_empty())
return builder.to_string();
TRY(builder.try_append('('));
for (size_t i = 0; i < m_properties.values.size(); ++i) {
TRY(builder.try_append(TRY(m_properties.values[i]->to_string())));
if (i != m_properties.values.size() - 1)
TRY(builder.try_append(", "sv));
}
TRY(builder.try_append(')'));
return builder.to_string();
}
bool EasingStyleValue::Properties::operator==(Properties const& other) const
{
return easing_function == other.easing_function && values == other.values;
}
}

47
Userland/Libraries/LibWeb/CSS/StyleValues/EasingStyleValue.h Normal file
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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
* Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
* Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
* Copyright (c) 2023, Ali Mohammad Pur <mpfard@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/CSS/EasingFunctions.h>
#include <LibWeb/CSS/StyleValue.h>
namespace Web::CSS {
class EasingStyleValue final : public StyleValueWithDefaultOperators<EasingStyleValue> {
public:
static ErrorOr<ValueComparingNonnullRefPtr<EasingStyleValue>> create(CSS::EasingFunction easing_function, StyleValueVector&& values)
{
return adopt_nonnull_ref_or_enomem(new (nothrow) EasingStyleValue(easing_function, move(values)));
}
virtual ~EasingStyleValue() override = default;
CSS::EasingFunction easing_function() const { return m_properties.easing_function; }
StyleValueVector values() const { return m_properties.values; }
virtual ErrorOr<String> to_string() const override;
bool properties_equal(EasingStyleValue const& other) const { return m_properties == other.m_properties; }
private:
EasingStyleValue(CSS::EasingFunction easing_function, StyleValueVector&& values)
: StyleValueWithDefaultOperators(Type::Easing)
, m_properties { .easing_function = easing_function, .values = move(values) }
{
}
struct Properties {
CSS::EasingFunction easing_function;
StyleValueVector values;
bool operator==(Properties const& other) const;
} m_properties;
};
}