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/* -------------------------------------------
Copyright (C) 2024-2025, 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 Kernel string class, not dynamic.
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;
}
}
NE_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 KStringBuilder;
};
struct KStringBuilder 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
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