1 files changed, 54 insertions, 0 deletions
diff --git a/src/qdoc/qdoc/src/qdoc/comparisoncategory.h b/src/qdoc/qdoc/src/qdoc/comparisoncategory.h
new file mode 100644
index 000000000..d3f36654b
--- /dev/null
+++ b/src/qdoc/qdoc/src/qdoc/comparisoncategory.h
@@ -0,0 +1,54 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#ifndef COMPARISONCATEGORY_H
+#define COMPARISONCATEGORY_H
+
+#include <string>
+
+QT_BEGIN_NAMESPACE
+
+enum struct ComparisonCategory : unsigned char {
+    None,
+    Strong,
+    Weak,
+    Partial,
+    Equality
+};
+
+static inline std::string comparisonCategoryAsString(ComparisonCategory category)
+{
+    switch (category) {
+    case ComparisonCategory::Strong:
+        return "strong";
+    case ComparisonCategory::Weak:
+        return "weak";
+    case ComparisonCategory::Partial:
+        return "partial";
+    case ComparisonCategory::Equality:
+        return "equality";
+    case ComparisonCategory::None:
+        [[fallthrough]];
+    default:
+        break;
+    }
+    return {};
+}
+
+static inline ComparisonCategory comparisonCategoryFromString(const std::string &string)
+{
+    if (string == "strong")
+        return ComparisonCategory::Strong;
+    if (string == "weak")
+        return ComparisonCategory::Weak;
+    if (string == "partial")
+        return ComparisonCategory::Partial;
+    if (string == "equality")
+        return ComparisonCategory::Equality;
+
+    return ComparisonCategory::None;
+}
+
+QT_END_NAMESPACE
+
+#endif // COMPARISONCATEGORY_H