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/* -------------------------------------------
Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
------------------------------------------- */
#include <NeKit/Utils.h>
/// @file BasicKString<>.cc
/// @brief Kernel String manipulation file.
namespace Kernel {
inline void rt_string_append(Char* lhs, const Char* rhs, Int32 cur) {
SizeT sz_rhs = rt_string_len(rhs);
SizeT rhs_i = 0;
for (; rhs_i < sz_rhs; ++rhs_i) {
lhs[rhs_i + cur] = rhs[rhs_i];
}
}
template <>
inline Char* BasicKString<>::Data() {
return this->fData;
}
template <>
inline const Char* BasicKString<>::CData() const {
return const_cast<const Char*>(this->fData);
}
template <>
inline SizeT BasicKString<>::Length() const {
return this->fDataSz;
}
template <>
inline bool BasicKString<>::operator==(const BasicKString<>& rhs) const {
if (rhs.Length() != this->Length()) return false;
for (Size index = 0; index < this->Length(); ++index) {
if (rhs.fData[index] != this->fData[index]) return false;
}
return true;
}
template <>
inline bool BasicKString<>::operator==(const Char* rhs) const {
if (rt_string_len(rhs) != this->Length()) return false;
for (Size index = 0; index < rt_string_len(rhs); ++index) {
if (rhs[index] != this->fData[index]) return false;
}
return true;
}
template <>
inline bool BasicKString<>::operator!=(const BasicKString<>& rhs) const {
if (rhs.Length() != this->Length()) return false;
for (Size index = 0; index < rhs.Length(); ++index) {
if (rhs.fData[index] == this->fData[index]) return false;
}
return true;
}
template <>
inline bool BasicKString<>::operator!=(const Char* rhs) const {
if (rt_string_len(rhs) != this->Length()) return false;
for (Size index = 0; index < rt_string_len(rhs); ++index) {
if (rhs[index] == this->fData[index]) return false;
}
return true;
}
template <>
inline BasicKString<>& BasicKString<>::operator+=(const BasicKString<>& rhs) {
if (rt_string_len(rhs.fData) > this->Length()) return *this;
rt_string_append(this->fData, const_cast<Char*>(rhs.fData), this->fCur);
this->fCur += rt_string_len(const_cast<Char*>(rhs.fData));
return *this;
}
template <>
inline BasicKString<>& BasicKString<>::operator+=(const Char* rhs) {
rt_string_append(this->fData, const_cast<Char*>(rhs), this->fCur);
this->fCur += rt_string_len(const_cast<Char*>(rhs));
return *this;
}
inline ErrorOr<BasicKString<>> KStringBuilder::Construct(const Char* data) {
if (!data || *data == 0) return ErrorOr<BasicKString<>>(new BasicKString<>(0));
BasicKString<>* view = new BasicKString<>(rt_string_len(data));
(*view) += data;
return ErrorOr<BasicKString<>>(*view);
}
inline const Char* KStringBuilder::FromBool(const Char* fmt, bool i) {
if (!fmt) return ("?");
const Char* boolean_expr = i ? "YES" : "NO";
Char* ret = (Char*) RTL_ALLOCA(rt_string_len(boolean_expr) + rt_string_len(fmt));
if (!ret) return ("?");
const auto fmt_len = rt_string_len(fmt);
const auto res_len = rt_string_len(boolean_expr);
for (Size idx = 0; idx < fmt_len; ++idx) {
if (fmt[idx] == '%') {
SizeT result_cnt = idx;
for (auto y_idx = idx; y_idx < res_len; ++y_idx) {
ret[result_cnt] = boolean_expr[y_idx];
++result_cnt;
}
break;
}
ret[idx] = fmt[idx];
}
return ret;
}
inline bool KStringBuilder::Equals(const Char* lhs, const Char* rhs) {
if (rt_string_len(rhs) != rt_string_len(lhs)) return false;
for (Size index = 0; index < rt_string_len(rhs); ++index) {
if (rhs[index] != lhs[index]) return false;
}
return true;
}
inline bool KStringBuilder::Equals(const Utf8Char* lhs, const Utf8Char* rhs) {
if (urt_string_len(rhs) != urt_string_len(lhs)) return false;
for (Size index = 0; rhs[index] != 0; ++index) {
if (rhs[index] != lhs[index]) return false;
}
return true;
}
inline const Char* KStringBuilder::Format(const Char* fmt, const Char* fmt2) {
if (!fmt || !fmt2) return ("?");
Char* ret = (Char*) RTL_ALLOCA(sizeof(char) * (rt_string_len(fmt2) + rt_string_len(fmt)));
if (!ret) return ("?");
const auto len = rt_string_len(fmt);
for (Size idx = 0; idx < len; ++idx) {
if (fmt[idx] == '%' && idx < rt_string_len(fmt) && fmt[idx] == 's') {
Size result_cnt = idx;
for (Size y_idx = 0; y_idx < rt_string_len(fmt2); ++y_idx) {
ret[result_cnt] = fmt2[y_idx];
++result_cnt;
}
}
ret[idx] = fmt[idx];
}
return ret;
}
} // namespace Kernel
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