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LibGUI: Port rest of the classes to property deserializers

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Dan Klishch 2023-11-05 19:29:02 -05:00 • committed by Andrew Kaster
parent bd56d2f508
commit 1f4b15dcaa
9 changed files with 164 additions and 211 deletions
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72
Userland/Libraries/LibGUI/PropertyDeserializer.cpp
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@ -7,6 +7,9 @@
#include "PropertyDeserializer.h"
#include <AK/JsonObject.h>
#include <AK/String.h>
#include <LibGUI/Margins.h>
#include <LibGUI/UIDimensions.h>
#include <LibGfx/Color.h>
#include <LibGfx/Rect.h>
namespace GUI {
@ -114,4 +117,73 @@ ErrorOr<Gfx::IntSize> PropertyDeserializer<Gfx::IntSize>::operator()(JsonValue c
return size;
}
template<>
ErrorOr<GUI::Margins> PropertyDeserializer<GUI::Margins>::operator()(JsonValue const& value) const
{
if (!value.is_array() || value.as_array().size() < 1 || value.as_array().size() > 4)
return Error::from_string_literal("Expected non-empty array with up to 4 integers");
auto const& array = value.as_array();
auto size = array.size();
int m[4];
for (size_t i = 0; i < size; ++i) {
auto const& margin = array[i];
if (!margin.is_integer<i32>())
return Error::from_string_literal("Margin value should be an integer");
m[i] = margin.to_i32();
}
if (size == 1)
return GUI::Margins { m[0] };
else if (size == 2)
return GUI::Margins { m[0], m[1] };
else if (size == 3)
return GUI::Margins { m[0], m[1], m[2] };
else
return GUI::Margins { m[0], m[1], m[2], m[3] };
}
template<>
ErrorOr<UIDimension> PropertyDeserializer<UIDimension>::operator()(JsonValue const& value) const
{
auto result = UIDimension::construct_from_json_value(value);
if (result.has_value())
return result.release_value();
return Error::from_string_literal("Value is not a valid UIDimension");
}
template<>
ErrorOr<UISize> PropertyDeserializer<UISize>::operator()(JsonValue const& value) const
{
if (!value.is_object() || !value.as_object().has("width"sv) || !value.as_object().has("height"sv))
return Error::from_string_literal("Object with keys \"width\" and \"height\" is expected");
auto const& object = value.as_object();
auto const& width = object.get("width"sv).value();
auto result_width = GUI::UIDimension::construct_from_json_value(width);
if (!result_width.has_value())
return Error::from_string_literal("width is not a valid UIDimension");
auto const& height = object.get("height"sv).value();
auto result_height = GUI::UIDimension::construct_from_json_value(height);
if (!result_height.has_value())
return Error::from_string_literal("height is not a valid UIDimension");
return UISize { result_width.value(), result_height.value() };
}
template<>
ErrorOr<Color> PropertyDeserializer<Color>::operator()(JsonValue const& value) const
{
if (value.is_string()) {
auto c = Color::from_string(value.as_string());
if (c.has_value())
return c.release_value();
}
return Error::from_string_literal("Color is expected");
}
};