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/* -------------------------------------------
Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
------------------------------------------- */
#pragma once
#include <CompilerKit/CompilerKit.h>
#include <NeKit/Defines.h>
#include <NeKit/ErrorOr.h>
#include <NeKit/KernelPanic.h>
#include <NeKit/Utils.h>
#define kMinimumStringSize (8196U)
namespace Kernel {
/// @brief Kernel string class, not dynamic.
template <typename CharKind = Char>
class BasicKString final {
public:
explicit BasicKString() {
fDataSz = kMinimumStringSize;
fData = new CharKind[fDataSz];
MUST_PASS(fData);
rt_set_memory(fData, 0, fDataSz);
}
explicit BasicKString(SizeT Sz) : fDataSz(Sz) {
MUST_PASS(Sz > 1);
fData = new CharKind[Sz];
MUST_PASS(fData);
rt_set_memory(fData, 0, Sz);
}
~BasicKString() {
if (fData) {
delete[] fData;
fData = nullptr;
}
}
NE_COPY_DEFAULT(BasicKString)
CharKind* Data();
const CharKind* CData() const;
Size Length() const;
bool operator==(const CharKind* rhs) const;
bool operator!=(const CharKind* rhs) const;
bool operator==(const BasicKString<CharKind>& rhs) const;
bool operator!=(const BasicKString<CharKind>& rhs) const;
BasicKString<CharKind>& operator+=(const CharKind* rhs);
BasicKString<CharKind>& operator+=(const BasicKString<CharKind>& rhs);
operator const char*() { return fData; }
operator bool() { return fData; }
bool operator!() { return fData; }
private:
CharKind* fData{nullptr};
Size fDataSz{0};
Size fCur{0};
friend class KStringBuilder;
};
using KString = BasicKString<>;
using KStringOr = ErrorOr<KString>;
class KStringBuilder final {
public:
template <typename CharKind = Char>
static ErrorOr<BasicKString<CharKind>> Construct(const CharKind* data);
template <typename CharKind = Char>
static const CharKind* FromBool(const CharKind* fmt, bool n);
template <typename CharKind = Char>
static const CharKind* Format(const CharKind* fmt, const CharKind* from);
template <typename CharKind = Char>
static bool Equals(const CharKind* lhs, const CharKind* rhs);
};
} // namespace Kernel
#include <NeKit/KString.inl>
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