diff options
| author | Amlal El Mahrouss <amlal.elmahrouss@icloud.com> | 2025-03-23 19:13:48 +0100 |
|---|---|---|
| committer | Amlal El Mahrouss <amlal.elmahrouss@icloud.com> | 2025-03-23 19:15:17 +0100 |
| commit | a13e1c0911c0627184bc38f18c7fdda64447b3ad (patch) | |
| tree | 073a62c09bf216e85a3f310376640fa1805147f9 /dev/kernel/src/KString.cc | |
| parent | 149fa096eb306d03686b3b67e813cf1a78e08cd0 (diff) | |
meta(kernel): Reworked repository's filesystem structure.
Removing useless parts of the project too.
Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
Diffstat (limited to 'dev/kernel/src/KString.cc')
| -rw-r--r-- | dev/kernel/src/KString.cc | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/dev/kernel/src/KString.cc b/dev/kernel/src/KString.cc new file mode 100644 index 00000000..d96ef38c --- /dev/null +++ b/dev/kernel/src/KString.cc @@ -0,0 +1,218 @@ +/* ------------------------------------------- + + Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved. + +------------------------------------------- */ + +#include <NewKit/KString.h> +#include <NewKit/Utils.h> + +/// @file KString.cc +/// @brief Kernel String manipulation file. + +namespace NeOS +{ + Char* KString::Data() + { + return this->fData; + } + + const Char* KString::CData() const + { + return const_cast<const Char*>(this->fData); + } + + Size KString::Length() const + { + return this->fDataSz; + } + + bool KString::operator==(const KString& 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; + } + + bool KString::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; + } + + bool KString::operator!=(const KString& 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; + } + + bool KString::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; + } + + ErrorOr<KString> KStringBuilder::Construct(const Char* data) + { + if (!data || *data == 0) + return {}; + + KString* view = new KString(rt_string_len(data)); + (*view) += data; + + return ErrorOr<KString>(*view); + } + + const Char* KStringBuilder::FromBool(const Char* fmt, bool i) + { + if (!fmt) + return ("?"); + + const Char* boolean_expr = i ? "YES" : "NO"; + Char* ret = (Char*)RTL_ALLOCA((sizeof(char) * i) ? 4 : 5 + 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; + } + + 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; + } + + bool KStringBuilder::Equals(const WideChar* lhs, const WideChar* rhs) + { + for (Size index = 0; rhs[index] != 0; ++index) + { + if (rhs[index] != lhs[index]) + return false; + } + + return true; + } + + 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; + } + + STATIC 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]; + } + } + + KString& KString::operator+=(const Char* rhs) + { + rt_string_append(this->fData, rhs, this->fCur); + this->fCur += rt_string_len(rhs); + + return *this; + } + + KString& KString::operator+=(const KString& 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; + } +} // namespace NeOS |
