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			66 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2023, Sam Atkins <atkinssj@serenityos.org>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include <AK/Optional.h>
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| #include <AK/String.h>
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| #include <LibWeb/Forward.h>
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| 
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| namespace Web::CSS {
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| 
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| // https://drafts.csswg.org/css-grid-2/#typedef-flex
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| class Flex {
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| public:
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|     enum class Type {
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|         Fr,
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|     };
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| 
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|     static Optional<Type> unit_from_name(StringView);
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| 
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|     Flex(double value, Type type);
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|     static Flex make_fr(double);
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|     Flex percentage_of(Percentage const&) const;
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| 
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|     String to_string() const;
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|     double to_fr() const;
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| 
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|     Type type() const { return m_type; }
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|     double raw_value() const { return m_value; }
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| 
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|     bool operator==(Flex const& other) const
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|     {
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|         return m_type == other.m_type && m_value == other.m_value;
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|     }
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| 
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|     int operator<=>(Flex const& other) const
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|     {
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|         auto this_fr = to_fr();
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|         auto other_fr = other.to_fr();
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| 
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|         if (this_fr < other_fr)
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|             return -1;
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|         if (this_fr > other_fr)
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|             return 1;
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|         return 0;
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|     }
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| 
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| private:
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|     StringView unit_name() const;
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| 
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|     Type m_type;
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|     double m_value { 0 };
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| };
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| 
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| }
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| 
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| template<>
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| struct AK::Formatter<Web::CSS::Flex> : Formatter<StringView> {
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|     ErrorOr<void> format(FormatBuilder& builder, Web::CSS::Flex const& flex)
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|     {
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|         return Formatter<StringView>::format(builder, flex.to_string());
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|     }
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| };
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