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Meta/CodeGenerators+LibWeb: Implement parsing CSS easing functions
This only implements the parser bits, no functionality is implemented, and no properties are parsed because of this.
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13 changed files with 471 additions and 5 deletions
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
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* Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
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* Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
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* Copyright (c) 2023, Ali Mohammad Pur <mpfard@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "EasingStyleValue.h"
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#include <AK/StringBuilder.h>
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namespace Web::CSS {
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ErrorOr<String> EasingStyleValue::to_string() const
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{
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if (m_properties.easing_function == EasingFunction::StepStart)
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return "steps(1, start)"_string;
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if (m_properties.easing_function == EasingFunction::StepEnd)
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return "steps(1, end)"_string;
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StringBuilder builder;
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TRY(builder.try_append(CSS::to_string(m_properties.easing_function)));
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if (m_properties.values.is_empty())
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return builder.to_string();
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TRY(builder.try_append('('));
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for (size_t i = 0; i < m_properties.values.size(); ++i) {
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TRY(builder.try_append(TRY(m_properties.values[i]->to_string())));
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if (i != m_properties.values.size() - 1)
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TRY(builder.try_append(", "sv));
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}
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TRY(builder.try_append(')'));
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return builder.to_string();
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}
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bool EasingStyleValue::Properties::operator==(Properties const& other) const
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{
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return easing_function == other.easing_function && values == other.values;
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}
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}
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47
Userland/Libraries/LibWeb/CSS/StyleValues/EasingStyleValue.h
Normal file
47
Userland/Libraries/LibWeb/CSS/StyleValues/EasingStyleValue.h
Normal file
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
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* Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
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* Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
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* Copyright (c) 2023, Ali Mohammad Pur <mpfard@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibWeb/CSS/EasingFunctions.h>
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#include <LibWeb/CSS/StyleValue.h>
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namespace Web::CSS {
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class EasingStyleValue final : public StyleValueWithDefaultOperators<EasingStyleValue> {
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public:
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static ErrorOr<ValueComparingNonnullRefPtr<EasingStyleValue>> create(CSS::EasingFunction easing_function, StyleValueVector&& values)
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{
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return adopt_nonnull_ref_or_enomem(new (nothrow) EasingStyleValue(easing_function, move(values)));
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}
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virtual ~EasingStyleValue() override = default;
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CSS::EasingFunction easing_function() const { return m_properties.easing_function; }
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StyleValueVector values() const { return m_properties.values; }
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virtual ErrorOr<String> to_string() const override;
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bool properties_equal(EasingStyleValue const& other) const { return m_properties == other.m_properties; }
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private:
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EasingStyleValue(CSS::EasingFunction easing_function, StyleValueVector&& values)
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: StyleValueWithDefaultOperators(Type::Easing)
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, m_properties { .easing_function = easing_function, .values = move(values) }
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{
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}
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struct Properties {
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CSS::EasingFunction easing_function;
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StyleValueVector values;
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bool operator==(Properties const& other) const;
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} m_properties;
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};
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}
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