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LibWeb: Distinguish between integer and float in NumericStyleValue

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We have this information when parsing, and some properties specifically
only allow integers, so it makes sense to keep that around.
This commit is contained in:
Sam Atkins 2021-10-19 16:43:56 +01:00 • committed by Andreas Kling
parent 450b782c18
commit 78e57096e2
7 changed files with 55 additions and 30 deletions
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49
Userland/Libraries/LibWeb/CSS/StyleValue.h
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@ -333,11 +333,13 @@ public:
virtual bool has_identifier() const { return false; }
virtual bool has_length() const { return false; }
virtual bool has_number() const { return false; }
virtual bool has_integer() const { return false; }
virtual Color to_color(Layout::NodeWithStyle const&) const { return {}; }
virtual CSS::ValueID to_identifier() const { return ValueID::Invalid; }
virtual Length to_length() const { return {}; }
virtual float to_number() const { return {}; }
virtual float to_number() const { return 0; }
virtual float to_integer() const { return 0; }
virtual String to_string() const = 0;
bool operator==(StyleValue const& other) const { return equals(other); }
@ -1021,37 +1023,60 @@ private:
class NumericStyleValue : public StyleValue {
public:
static NonnullRefPtr<NumericStyleValue> create(float value)
static NonnullRefPtr<NumericStyleValue> create_float(float value)
{
return adopt_ref(*new NumericStyleValue(value));
}
virtual bool has_length() const override { return m_value == 0; }
static NonnullRefPtr<NumericStyleValue> create_integer(i64 value)
{
return adopt_ref(*new NumericStyleValue(value));
}
virtual bool has_length() const override { return to_number() == 0; }
virtual Length to_length() const override { return Length(0, Length::Type::Px); }
virtual bool has_number() const override { return true; }
virtual float to_number() const override { return m_value; }
virtual float to_number() const override
{
return m_value.visit(
[](float value) { return value; },
[](i64 value) { return (float)value; });
}
float value() const { return m_value; }
// FIXME: Store integer values separately
i64 int_value() const { return roundf(m_value); }
String to_string() const override { return String::formatted("{}", m_value); }
virtual bool has_integer() const override { return m_value.has<i64>(); }
virtual float to_integer() const override { return m_value.get<i64>(); }
String to_string() const override
{
return m_value.visit(
[](float value) {
return String::formatted("{}", value);
},
[](i64 value) {
return String::formatted("{}", value);
});
}
virtual bool equals(StyleValue const& other) const override
{
if (type() != other.type())
return false;
return m_value == static_cast<NumericStyleValue const&>(other).m_value;
if (has_integer() != other.has_integer())
return false;
if (has_integer())
return m_value.get<i64>() == static_cast<NumericStyleValue const&>(other).m_value.get<i64>();
return m_value.get<float>() == static_cast<NumericStyleValue const&>(other).m_value.get<float>();
}
private:
explicit NumericStyleValue(float value)
explicit NumericStyleValue(Variant<float, i64> value)
: StyleValue(Type::Numeric)
, m_value(value)
, m_value(move(value))
{
}
float m_value { 0 };
Variant<float, i64> m_value { (i64)0 };
};
class OverflowStyleValue final : public StyleValue {