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// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
// Licensed under the Apache License, Version 2.0 (see LICENSE file)
// Official repository: https://github.com/ne-foss-org/nekernel
/// @file KBasicString.inl
/// @brief Kernel String manipulation file.
namespace Kernel {
template <typename CharKind>
inline void ort_string_append(CharKind* lhs, const CharKind* rhs, Int32 cur) {
SizeT sz_rhs = oe_string_len<CharKind>(rhs);
SizeT rhs_i = 0;
for (; rhs_i < sz_rhs; ++rhs_i) {
lhs[rhs_i + cur] = rhs[rhs_i];
}
}
template <typename CharKind, Int MinSz>
inline CharKind* KBasicString<CharKind, MinSz>::Data() {
return this->fData;
}
template <typename CharKind, Int MinSz>
inline const CharKind* KBasicString<CharKind, MinSz>::CData() const {
return const_cast<const CharKind*>(this->fData);
}
template <typename CharKind, Int MinSz>
inline SizeT KBasicString<CharKind, MinSz>::Length() const {
return this->fDataSz;
}
template <typename CharKind, Int MinSz>
inline bool KBasicString<CharKind, MinSz>::operator==(
const KBasicString<CharKind, MinSz>& 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 <typename CharKind, Int MinSz>
inline bool KBasicString<CharKind, MinSz>::operator==(const CharKind* rhs) const {
if (oe_string_len<CharKind>(rhs) != this->Length()) return false;
for (Size index = 0; index < oe_string_len<CharKind>(rhs); ++index) {
if (rhs[index] != this->fData[index]) return false;
}
return true;
}
template <typename CharKind, Int MinSz>
inline bool KBasicString<CharKind, MinSz>::operator!=(
const KBasicString<CharKind, MinSz>& 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 <typename CharKind, Int MinSz>
inline bool KBasicString<CharKind, MinSz>::operator!=(const CharKind* rhs) const {
if (oe_string_len<CharKind>(rhs) != this->Length()) return false;
for (Size index = 0; index < oe_string_len<CharKind>(rhs); ++index) {
if (rhs[index] == this->fData[index]) return false;
}
return true;
}
template <typename CharKind, Int MinSz>
inline KBasicString<CharKind, MinSz>& KBasicString<CharKind, MinSz>::operator+=(
const KBasicString<CharKind, MinSz>& rhs) {
if (oe_string_len<CharKind>(rhs.fData) > this->Length()) return *this;
ort_string_append(this->fData, const_cast<CharKind*>(rhs.fData), this->fCur);
this->fCur += oe_string_len<CharKind>(const_cast<CharKind*>(rhs.fData));
return *this;
}
template <typename CharKind, Int MinSz>
inline KBasicString<CharKind, MinSz>& KBasicString<CharKind, MinSz>::operator+=(
const CharKind* rhs) {
ort_string_append(this->fData, const_cast<CharKind*>(rhs), this->fCur);
this->fCur += oe_string_len<CharKind>(const_cast<CharKind*>(rhs));
return *this;
}
template <typename CharKind, Int MinSz>
inline ErrorOr<KBasicString<CharKind, MinSz>> KStringBuilder::Construct(const CharKind* data) {
if (!data || *data == 0) return ErrorOr<KBasicString<CharKind, MinSz>>(-kErrorInvalidData);
KBasicString<CharKind>* view = new KBasicString<CharKind, MinSz>(oe_string_len<CharKind>(data));
(*view) += data;
return ErrorOr<KBasicString<CharKind, MinSz>>(*view);
}
template <typename CharKind>
inline const CharKind* KStringBuilder::FromBool(const CharKind* fmt, bool i) {
if (!fmt) return ("?");
const CharKind* boolean_expr = i ? "YES" : "NO";
CharKind* ret =
(CharKind*) RTL_ALLOCA(oe_string_len<CharKind>(boolean_expr) + oe_string_len<CharKind>(fmt));
if (!ret) return ("?");
const auto fmt_len = oe_string_len<CharKind>(fmt);
const auto res_len = oe_string_len<CharKind>(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;
}
template <typename CharKind>
inline bool KStringBuilder::Equals(const CharKind* lhs, const CharKind* rhs) {
if (oe_string_len<CharKind>(rhs) != oe_string_len<CharKind>(lhs)) return false;
for (Size index = 0; index < oe_string_len<CharKind>(rhs); ++index) {
if (rhs[index] != lhs[index]) return false;
}
return true;
}
template <typename CharKind>
inline const CharKind* KStringBuilder::Format(const CharKind* fmt, const CharKind* fmt2) {
if (!fmt || !fmt2) return ("?");
CharKind* ret = (CharKind*) RTL_ALLOCA(
sizeof(char) * (oe_string_len<CharKind>(fmt2) + oe_string_len<CharKind>(fmt)));
if (!ret) return ("?");
const auto len = oe_string_len<CharKind>(fmt);
for (Size idx = 0; idx < len; ++idx) {
if (fmt[idx] == '%' && idx < oe_string_len<CharKind>(fmt) && fmt[idx] == 's') {
Size result_cnt = idx;
for (Size y_idx = 0; y_idx < oe_string_len<CharKind>(fmt2); ++y_idx) {
ret[result_cnt] = fmt2[y_idx];
++result_cnt;
}
}
ret[idx] = fmt[idx];
}
return ret;
}
} // namespace Kernel
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