mirror of
https://github.com/RGBCube/serenity
synced 2025-07-26 16:17:45 +00:00
LibWeb: Split CalculatedStyleValue out of StyleValue.{h,cpp}
This commit is contained in:
Sam Atkins
Andreas Kling
parent
0c14103025
commit
1280d70d74
9 changed files with 1001 additions and 968 deletions
230
Userland/Libraries/LibWeb/CSS/StyleValues/CalculatedStyleValue.h
Normal file
230
Userland/Libraries/LibWeb/CSS/StyleValues/CalculatedStyleValue.h
Normal file
|
|
@ -0,0 +1,230 @@
|
|||
/*
|
||||
* 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>
|
||||
*
|
||||
* SPDX-License-Identifier: BSD-2-Clause
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <LibWeb/CSS/Angle.h>
|
||||
#include <LibWeb/CSS/Frequency.h>
|
||||
#include <LibWeb/CSS/Length.h>
|
||||
#include <LibWeb/CSS/Percentage.h>
|
||||
#include <LibWeb/CSS/StyleValue.h>
|
||||
#include <LibWeb/CSS/Time.h>
|
||||
|
||||
namespace Web::CSS {
|
||||
|
||||
class CalculatedStyleValue : public StyleValue {
|
||||
public:
|
||||
enum class ResolvedType {
|
||||
Angle,
|
||||
Frequency,
|
||||
Integer,
|
||||
Length,
|
||||
Number,
|
||||
Percentage,
|
||||
Time,
|
||||
};
|
||||
|
||||
enum class SumOperation {
|
||||
Add,
|
||||
Subtract,
|
||||
};
|
||||
enum class ProductOperation {
|
||||
Multiply,
|
||||
Divide,
|
||||
};
|
||||
|
||||
using PercentageBasis = Variant<Empty, Angle, Frequency, Length, Time>;
|
||||
|
||||
class CalculationResult {
|
||||
public:
|
||||
using Value = Variant<Number, Angle, Frequency, Length, Percentage, Time>;
|
||||
CalculationResult(Value value)
|
||||
: m_value(move(value))
|
||||
{
|
||||
}
|
||||
void add(CalculationResult const& other, Layout::Node const*, PercentageBasis const& percentage_basis);
|
||||
void subtract(CalculationResult const& other, Layout::Node const*, PercentageBasis const& percentage_basis);
|
||||
void multiply_by(CalculationResult const& other, Layout::Node const*);
|
||||
void divide_by(CalculationResult const& other, Layout::Node const*);
|
||||
|
||||
Value const& value() const { return m_value; }
|
||||
|
||||
private:
|
||||
void add_or_subtract_internal(SumOperation op, CalculationResult const& other, Layout::Node const*, PercentageBasis const& percentage_basis);
|
||||
Value m_value;
|
||||
};
|
||||
|
||||
struct CalcSum;
|
||||
struct CalcSumPartWithOperator;
|
||||
struct CalcProduct;
|
||||
struct CalcProductPartWithOperator;
|
||||
struct CalcNumberSum;
|
||||
struct CalcNumberSumPartWithOperator;
|
||||
struct CalcNumberProduct;
|
||||
struct CalcNumberProductPartWithOperator;
|
||||
|
||||
struct CalcNumberValue {
|
||||
Variant<Number, NonnullOwnPtr<CalcNumberSum>> value;
|
||||
ErrorOr<String> to_string() const;
|
||||
Optional<ResolvedType> resolved_type() const;
|
||||
CalculationResult resolve(Layout::Node const*, PercentageBasis const& percentage_basis) const;
|
||||
};
|
||||
|
||||
struct CalcValue {
|
||||
Variant<Number, Angle, Frequency, Length, Percentage, Time, NonnullOwnPtr<CalcSum>> value;
|
||||
ErrorOr<String> to_string() const;
|
||||
Optional<ResolvedType> resolved_type() const;
|
||||
CalculationResult resolve(Layout::Node const*, PercentageBasis const& percentage_basis) const;
|
||||
bool contains_percentage() const;
|
||||
};
|
||||
|
||||
// This represents that: https://www.w3.org/TR/css-values-3/#calc-syntax
|
||||
struct CalcSum {
|
||||
CalcSum(NonnullOwnPtr<CalcProduct> first_calc_product, Vector<NonnullOwnPtr<CalcSumPartWithOperator>> additional)
|
||||
: first_calc_product(move(first_calc_product))
|
||||
, zero_or_more_additional_calc_products(move(additional)) {};
|
||||
|
||||
NonnullOwnPtr<CalcProduct> first_calc_product;
|
||||
Vector<NonnullOwnPtr<CalcSumPartWithOperator>> zero_or_more_additional_calc_products;
|
||||
|
||||
ErrorOr<String> to_string() const;
|
||||
Optional<ResolvedType> resolved_type() const;
|
||||
CalculationResult resolve(Layout::Node const*, PercentageBasis const& percentage_basis) const;
|
||||
|
||||
bool contains_percentage() const;
|
||||
};
|
||||
|
||||
struct CalcNumberSum {
|
||||
CalcNumberSum(NonnullOwnPtr<CalcNumberProduct> first_calc_number_product, Vector<NonnullOwnPtr<CalcNumberSumPartWithOperator>> additional)
|
||||
: first_calc_number_product(move(first_calc_number_product))
|
||||
, zero_or_more_additional_calc_number_products(move(additional)) {};
|
||||
|
||||
NonnullOwnPtr<CalcNumberProduct> first_calc_number_product;
|
||||
Vector<NonnullOwnPtr<CalcNumberSumPartWithOperator>> zero_or_more_additional_calc_number_products;
|
||||
|
||||
ErrorOr<String> to_string() const;
|
||||
Optional<ResolvedType> resolved_type() const;
|
||||
CalculationResult resolve(Layout::Node const*, PercentageBasis const& percentage_basis) const;
|
||||
};
|
||||
|
||||
struct CalcProduct {
|
||||
CalcValue first_calc_value;
|
||||
Vector<NonnullOwnPtr<CalcProductPartWithOperator>> zero_or_more_additional_calc_values;
|
||||
|
||||
ErrorOr<String> to_string() const;
|
||||
Optional<ResolvedType> resolved_type() const;
|
||||
CalculationResult resolve(Layout::Node const*, PercentageBasis const& percentage_basis) const;
|
||||
bool contains_percentage() const;
|
||||
};
|
||||
|
||||
struct CalcSumPartWithOperator {
|
||||
CalcSumPartWithOperator(SumOperation op, NonnullOwnPtr<CalcProduct> calc_product)
|
||||
: op(op)
|
||||
, value(move(calc_product)) {};
|
||||
|
||||
SumOperation op;
|
||||
NonnullOwnPtr<CalcProduct> value;
|
||||
|
||||
ErrorOr<String> to_string() const;
|
||||
Optional<ResolvedType> resolved_type() const;
|
||||
CalculationResult resolve(Layout::Node const*, PercentageBasis const& percentage_basis) const;
|
||||
bool contains_percentage() const;
|
||||
};
|
||||
|
||||
struct CalcProductPartWithOperator {
|
||||
ProductOperation op;
|
||||
Variant<CalcValue, CalcNumberValue> value;
|
||||
|
||||
ErrorOr<String> to_string() const;
|
||||
Optional<ResolvedType> resolved_type() const;
|
||||
CalculationResult resolve(Layout::Node const*, PercentageBasis const& percentage_basis) const;
|
||||
|
||||
bool contains_percentage() const;
|
||||
};
|
||||
|
||||
struct CalcNumberProduct {
|
||||
CalcNumberValue first_calc_number_value;
|
||||
Vector<NonnullOwnPtr<CalcNumberProductPartWithOperator>> zero_or_more_additional_calc_number_values;
|
||||
|
||||
ErrorOr<String> to_string() const;
|
||||
Optional<ResolvedType> resolved_type() const;
|
||||
CalculationResult resolve(Layout::Node const*, PercentageBasis const& percentage_basis) const;
|
||||
};
|
||||
|
||||
struct CalcNumberProductPartWithOperator {
|
||||
ProductOperation op;
|
||||
CalcNumberValue value;
|
||||
|
||||
ErrorOr<String> to_string() const;
|
||||
Optional<ResolvedType> resolved_type() const;
|
||||
CalculationResult resolve(Layout::Node const*, PercentageBasis const& percentage_basis) const;
|
||||
};
|
||||
|
||||
struct CalcNumberSumPartWithOperator {
|
||||
CalcNumberSumPartWithOperator(SumOperation op, NonnullOwnPtr<CalcNumberProduct> calc_number_product)
|
||||
: op(op)
|
||||
, value(move(calc_number_product)) {};
|
||||
|
||||
SumOperation op;
|
||||
NonnullOwnPtr<CalcNumberProduct> value;
|
||||
|
||||
ErrorOr<String> to_string() const;
|
||||
Optional<ResolvedType> resolved_type() const;
|
||||
CalculationResult resolve(Layout::Node const*, PercentageBasis const& percentage_basis) const;
|
||||
};
|
||||
|
||||
static ValueComparingNonnullRefPtr<CalculatedStyleValue> create(NonnullOwnPtr<CalcSum> calc_sum, ResolvedType resolved_type)
|
||||
{
|
||||
return adopt_ref(*new CalculatedStyleValue(move(calc_sum), resolved_type));
|
||||
}
|
||||
|
||||
ErrorOr<String> to_string() const override;
|
||||
virtual bool equals(StyleValue const& other) const override;
|
||||
ResolvedType resolved_type() const { return m_resolved_type; }
|
||||
NonnullOwnPtr<CalcSum> const& expression() const { return m_expression; }
|
||||
|
||||
bool resolves_to_angle() const { return m_resolved_type == ResolvedType::Angle; }
|
||||
Optional<Angle> resolve_angle() const;
|
||||
Optional<Angle> resolve_angle_percentage(Angle const& percentage_basis) const;
|
||||
|
||||
bool resolves_to_frequency() const { return m_resolved_type == ResolvedType::Frequency; }
|
||||
Optional<Frequency> resolve_frequency() const;
|
||||
Optional<Frequency> resolve_frequency_percentage(Frequency const& percentage_basis) const;
|
||||
|
||||
bool resolves_to_length() const { return m_resolved_type == ResolvedType::Length; }
|
||||
Optional<Length> resolve_length(Layout::Node const& layout_node) const;
|
||||
Optional<Length> resolve_length_percentage(Layout::Node const&, Length const& percentage_basis) const;
|
||||
|
||||
bool resolves_to_percentage() const { return m_resolved_type == ResolvedType::Percentage; }
|
||||
Optional<Percentage> resolve_percentage() const;
|
||||
|
||||
bool resolves_to_time() const { return m_resolved_type == ResolvedType::Time; }
|
||||
Optional<Time> resolve_time() const;
|
||||
Optional<Time> resolve_time_percentage(Time const& percentage_basis) const;
|
||||
|
||||
bool resolves_to_integer() const { return m_resolved_type == ResolvedType::Integer; }
|
||||
bool resolves_to_number() const { return resolves_to_integer() || m_resolved_type == ResolvedType::Number; }
|
||||
Optional<float> resolve_number();
|
||||
Optional<i64> resolve_integer();
|
||||
|
||||
bool contains_percentage() const;
|
||||
|
||||
private:
|
||||
explicit CalculatedStyleValue(NonnullOwnPtr<CalcSum> calc_sum, ResolvedType resolved_type)
|
||||
: StyleValue(Type::Calculated)
|
||||
, m_resolved_type(resolved_type)
|
||||
, m_expression(move(calc_sum))
|
||||
{
|
||||
}
|
||||
|
||||
ResolvedType m_resolved_type;
|
||||
NonnullOwnPtr<CalcSum> m_expression;
|
||||
};
|
||||
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue