ADD: Open version, with important changes kept out.

Signed-off-by: Amlal <amlal.elmahrouss@icloud.com>

1 files changed, 94 insertions, 0 deletions

diff --git a/dev/Kernel/NewKit/KString.h b/dev/Kernel/NewKit/KString.h
new file mode 100644
index 00000000..350623d7
--- /dev/null
+++ b/dev/Kernel/NewKit/KString.h
@@ -0,0 +1,94 @@
+/* -------------------------------------------
+
+	Copyright (C) 2024, Amlal EL Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <CompilerKit/CompilerKit.h>
+#include <NewKit/Defines.h>
+#include <NewKit/ErrorOr.h>
+#include <NewKit/Utils.h>
+#include <NewKit/KernelPanic.h>
+
+#define cMinimumStringSize 8196
+
+namespace Kernel
+{
+	/// @brief KString static string class.
+	class KString final
+	{
+	public:
+		explicit KString()
+		{
+			fDataSz = cMinimumStringSize;
+
+			fData = new Char[fDataSz];
+			MUST_PASS(fData);
+
+			rt_set_memory(fData, 0, fDataSz);
+		}
+
+		explicit KString(const SizeT& Sz)
+			: fDataSz(Sz)
+		{
+			MUST_PASS(Sz > 1);
+
+			fData = new Char[Sz];
+			MUST_PASS(fData);
+
+			rt_set_memory(fData, 0, Sz);
+		}
+
+		~KString()
+		{
+			if (fData)
+			{
+				delete[] fData;
+				fData = nullptr;
+			}
+		}
+
+		ZKA_COPY_DEFAULT(KString);
+
+		Char*		Data();
+		const Char* CData() const;
+		Size		Length() const;
+
+		bool operator==(const Char* rhs) const;
+		bool operator!=(const Char* rhs) const;
+
+		bool operator==(const KString& rhs) const;
+		bool operator!=(const KString& rhs) const;
+
+		KString& operator+=(const Char* rhs);
+		KString& operator+=(const KString& rhs);
+
+		operator bool()
+		{
+			return fData;
+		}
+
+		bool operator!()
+		{
+			return fData;
+		}
+
+	private:
+		Char* fData{nullptr};
+		Size  fDataSz{0};
+		Size  fCur{0};
+
+		friend class StringBuilder;
+	};
+
+	struct StringBuilder final
+	{
+		static ErrorOr<KString> Construct(const Char* data);
+		static const Char*		FromBool(const Char* fmt, bool n);
+		static const Char*		Format(const Char* fmt, const Char* from);
+		static bool				Equals(const Char* lhs, const Char* rhs);
+		static bool				Equals(const WideChar* lhs, const WideChar* rhs);
+	};
+} // namespace Kernel