Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibUnicode/PluralRules.cpp

@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2022-2024, Tim Flynn <trflynn89@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibUnicode/PluralRules.h>
+
+namespace Unicode {
+
+PluralForm plural_form_from_string(StringView plural_form)
+{
+    if (plural_form == "cardinal"sv)
+        return PluralForm::Cardinal;
+    if (plural_form == "ordinal"sv)
+        return PluralForm::Ordinal;
+    VERIFY_NOT_REACHED();
+}
+
+StringView plural_form_to_string(PluralForm plural_form)
+{
+    switch (plural_form) {
+    case PluralForm::Cardinal:
+        return "cardinal"sv;
+    case PluralForm::Ordinal:
+        return "ordinal"sv;
+    }
+    VERIFY_NOT_REACHED();
+}
+
+PluralCategory plural_category_from_string(StringView category)
+{
+    if (category == "other"sv)
+        return PluralCategory::Other;
+    if (category == "zero"sv)
+        return PluralCategory::Zero;
+    if (category == "one"sv)
+        return PluralCategory::One;
+    if (category == "two"sv)
+        return PluralCategory::Two;
+    if (category == "few"sv)
+        return PluralCategory::Few;
+    if (category == "many"sv)
+        return PluralCategory::Many;
+    if (category == "0"sv)
+        return PluralCategory::ExactlyZero;
+    if (category == "1"sv)
+        return PluralCategory::ExactlyOne;
+    VERIFY_NOT_REACHED();
+}
+
+StringView plural_category_to_string(PluralCategory category)
+{
+    switch (category) {
+    case PluralCategory::Other:
+        return "other"sv;
+    case PluralCategory::Zero:
+        return "zero"sv;
+    case PluralCategory::One:
+        return "one"sv;
+    case PluralCategory::Two:
+        return "two"sv;
+    case PluralCategory::Few:
+        return "few"sv;
+    case PluralCategory::Many:
+        return "many"sv;
+    case PluralCategory::ExactlyZero:
+        return "0"sv;
+    case PluralCategory::ExactlyOne:
+        return "1"sv;
+    }
+    VERIFY_NOT_REACHED();
+}
+
+}