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-rw-r--r--dev/kernel/NewKit/Variant.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/dev/kernel/NewKit/Variant.h b/dev/kernel/NewKit/Variant.h
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+++ b/dev/kernel/NewKit/Variant.h
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+/* -------------------------------------------
+
+ Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <NewKit/Defines.h>
+#include <NewKit/KString.h>
+#include <NewKit/Json.h>
+
+namespace NeOS
+{
+ class Variant final
+ {
+ public:
+ enum class VariantKind
+ {
+ kString,
+ kBlob,
+ kNull,
+ kJson,
+ kXML,
+ };
+
+ public:
+ explicit Variant() = delete;
+
+ public:
+ NE_COPY_DEFAULT(Variant);
+
+ ~Variant() = default;
+
+ public:
+ explicit Variant(KString* stringView)
+ : fPtr((VoidPtr)stringView), fKind(VariantKind::kString)
+ {
+ }
+
+ explicit Variant(Json* json)
+ : fPtr((VoidPtr)json), fKind(VariantKind::kJson)
+ {
+ }
+
+ explicit Variant(nullPtr ptr)
+ : fPtr(ptr), fKind(VariantKind::kNull)
+ {
+ }
+
+ explicit Variant(VoidPtr ptr)
+ : fPtr(ptr), fKind(VariantKind::kBlob)
+ {
+ }
+
+ public:
+ const Char* ToString();
+ VoidPtr Leak();
+
+ template <typename T>
+ T* As()
+ {
+ return reinterpret_cast<T*>(fPtr);
+ }
+
+ VariantKind& Kind();
+
+ private:
+ voidPtr fPtr{nullptr};
+ VariantKind fKind{VariantKind::kNull};
+ };
+} // namespace NeOS