ladybird/Userland/Libraries/LibWeb/CSS/StyleValues/ShorthandStyleValue.cpp

111 lines
5.1 KiB
C++

/*
* Copyright (c) 2023, Ali Mohammad Pur <mpfard@serenityos.org>
* Copyright (c) 2023, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "ShorthandStyleValue.h"
#include <LibWeb/CSS/PropertyID.h>
#include <LibWeb/CSS/StyleValues/BorderRadiusStyleValue.h>
#include <LibWeb/CSS/StyleValues/StyleValueList.h>
namespace Web::CSS {
ShorthandStyleValue::ShorthandStyleValue(PropertyID shorthand, Vector<PropertyID> sub_properties, Vector<ValueComparingNonnullRefPtr<StyleValue const>> values)
: StyleValueWithDefaultOperators(Type::Shorthand)
, m_properties { shorthand, move(sub_properties), move(values) }
{
if (m_properties.sub_properties.size() != m_properties.values.size()) {
dbgln("ShorthandStyleValue: sub_properties and values must be the same size! {} != {}", m_properties.sub_properties.size(), m_properties.values.size());
VERIFY_NOT_REACHED();
}
}
ShorthandStyleValue::~ShorthandStyleValue() = default;
ValueComparingRefPtr<StyleValue const> ShorthandStyleValue::longhand(PropertyID longhand) const
{
for (auto i = 0u; i < m_properties.sub_properties.size(); ++i) {
if (m_properties.sub_properties[i] == longhand)
return m_properties.values[i];
}
return nullptr;
}
String ShorthandStyleValue::to_string() const
{
// Special-cases first
switch (m_properties.shorthand_property) {
case PropertyID::Background: {
auto color = longhand(PropertyID::BackgroundColor);
auto image = longhand(PropertyID::BackgroundImage);
auto position = longhand(PropertyID::BackgroundPosition);
auto size = longhand(PropertyID::BackgroundSize);
auto repeat = longhand(PropertyID::BackgroundRepeat);
auto attachment = longhand(PropertyID::BackgroundAttachment);
auto origin = longhand(PropertyID::BackgroundOrigin);
auto clip = longhand(PropertyID::BackgroundClip);
auto get_layer_count = [](auto style_value) -> size_t {
return style_value->is_value_list() ? style_value->as_value_list().size() : 1;
};
auto layer_count = max(get_layer_count(image), max(get_layer_count(position), max(get_layer_count(size), max(get_layer_count(repeat), max(get_layer_count(attachment), max(get_layer_count(origin), get_layer_count(clip)))))));
if (layer_count == 1) {
return MUST(String::formatted("{} {} {} {} {} {} {} {}", color->to_string(), image->to_string(), position->to_string(), size->to_string(), repeat->to_string(), attachment->to_string(), origin->to_string(), clip->to_string()));
}
auto get_layer_value_string = [](ValueComparingRefPtr<StyleValue const> const& style_value, size_t index) {
if (style_value->is_value_list())
return style_value->as_value_list().value_at(index, true)->to_string();
return style_value->to_string();
};
StringBuilder builder;
for (size_t i = 0; i < layer_count; i++) {
if (i)
builder.append(", "sv);
if (i == layer_count - 1)
builder.appendff("{} ", color->to_string());
builder.appendff("{} {} {} {} {} {} {}", get_layer_value_string(image, i), get_layer_value_string(position, i), get_layer_value_string(size, i), get_layer_value_string(repeat, i), get_layer_value_string(attachment, i), get_layer_value_string(origin, i), get_layer_value_string(clip, i));
}
return MUST(builder.to_string());
}
case PropertyID::BorderRadius: {
auto& top_left = longhand(PropertyID::BorderTopLeftRadius)->as_border_radius();
auto& top_right = longhand(PropertyID::BorderTopRightRadius)->as_border_radius();
auto& bottom_right = longhand(PropertyID::BorderBottomRightRadius)->as_border_radius();
auto& bottom_left = longhand(PropertyID::BorderBottomLeftRadius)->as_border_radius();
return MUST(String::formatted("{} {} {} {} / {} {} {} {}",
top_left.horizontal_radius().to_string(),
top_right.horizontal_radius().to_string(),
bottom_right.horizontal_radius().to_string(),
bottom_left.horizontal_radius().to_string(),
top_left.vertical_radius().to_string(),
top_right.vertical_radius().to_string(),
bottom_right.vertical_radius().to_string(),
bottom_left.vertical_radius().to_string()));
}
case PropertyID::Flex:
return MUST(String::formatted("{} {} {}", longhand(PropertyID::FlexGrow)->to_string(), longhand(PropertyID::FlexShrink)->to_string(), longhand(PropertyID::FlexBasis)->to_string()));
case PropertyID::FlexFlow:
return MUST(String::formatted("{} {}", longhand(PropertyID::FlexDirection)->to_string(), longhand(PropertyID::FlexWrap)->to_string()));
default:
StringBuilder builder;
auto first = true;
for (auto& value : m_properties.values) {
if (first)
first = false;
else
builder.append(' ');
builder.append(value->to_string());
}
return MUST(builder.to_string());
}
}
}