mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-04-25 05:55:13 +00:00
Resulting in a massive rename across almost everywhere! Alongside the namespace change, we now have the following names: * JS::NonnullGCPtr -> GC::Ref * JS::GCPtr -> GC::Ptr * JS::HeapFunction -> GC::Function * JS::CellImpl -> GC::Cell * JS::Handle -> GC::Root
80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
/*
|
|
* Copyright (c) 2022, Idan Horowitz <idan.horowitz@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/Utf8View.h>
|
|
#include <LibJS/Runtime/GlobalObject.h>
|
|
#include <LibJS/Runtime/Intl/Collator.h>
|
|
#include <LibJS/Runtime/Intl/CollatorCompareFunction.h>
|
|
|
|
namespace JS::Intl {
|
|
|
|
GC_DEFINE_ALLOCATOR(CollatorCompareFunction);
|
|
|
|
GC::Ref<CollatorCompareFunction> CollatorCompareFunction::create(Realm& realm, Collator& collator)
|
|
{
|
|
return realm.create<CollatorCompareFunction>(realm, collator);
|
|
}
|
|
|
|
CollatorCompareFunction::CollatorCompareFunction(Realm& realm, Collator& collator)
|
|
: NativeFunction(realm.intrinsics().function_prototype())
|
|
, m_collator(collator)
|
|
{
|
|
}
|
|
|
|
void CollatorCompareFunction::initialize(Realm&)
|
|
{
|
|
auto& vm = this->vm();
|
|
define_direct_property(vm.names.length, Value(2), Attribute::Configurable);
|
|
define_direct_property(vm.names.name, PrimitiveString::create(vm, String {}), Attribute::Configurable);
|
|
}
|
|
|
|
void CollatorCompareFunction::visit_edges(Visitor& visitor)
|
|
{
|
|
Base::visit_edges(visitor);
|
|
visitor.visit(m_collator);
|
|
}
|
|
|
|
// 10.3.3.1 Collator Compare Functions, https://tc39.es/ecma402/#sec-collator-compare-functions
|
|
ThrowCompletionOr<Value> CollatorCompareFunction::call()
|
|
{
|
|
auto& vm = this->vm();
|
|
|
|
// 1. Let collator be F.[[Collator]].
|
|
// 2. Assert: Type(collator) is Object and collator has an [[InitializedCollator]] internal slot.
|
|
// 3. If x is not provided, let x be undefined.
|
|
// 4. If y is not provided, let y be undefined.
|
|
|
|
// 5. Let X be ? ToString(x).
|
|
auto x = TRY(vm.argument(0).to_string(vm));
|
|
|
|
// 6. Let Y be ? ToString(y).
|
|
auto y = TRY(vm.argument(1).to_string(vm));
|
|
|
|
// 7. Return CompareStrings(collator, X, Y).
|
|
return compare_strings(m_collator, x, y);
|
|
}
|
|
|
|
// 10.3.3.2 CompareStrings ( collator, x, y ), https://tc39.es/ecma402/#sec-collator-comparestrings
|
|
int compare_strings(Collator const& collator, StringView x, StringView y)
|
|
{
|
|
auto result = collator.collator().compare(x, y);
|
|
|
|
// The result is intended to correspond with a sort order of String values according to the effective locale and
|
|
// collation options of collator, and will be negative when x is ordered before y, positive when x is ordered after
|
|
// y, and zero in all other cases (representing no relative ordering between x and y).
|
|
switch (result) {
|
|
case Unicode::Collator::Order::Before:
|
|
return -1;
|
|
case Unicode::Collator::Order::Equal:
|
|
return 0;
|
|
case Unicode::Collator::Order::After:
|
|
return 1;
|
|
}
|
|
|
|
VERIFY_NOT_REACHED();
|
|
}
|
|
|
|
}
|