diff options
| author | Amlal El Mahrouss <amlal@nekernel.org> | 2025-08-06 16:41:31 +0100 |
|---|---|---|
| committer | Amlal El Mahrouss <amlal@nekernel.org> | 2025-08-06 16:41:31 +0100 |
| commit | 3658cb8407814603aceaf2970a5c1016b6c9fdc8 (patch) | |
| tree | 070b8a2bfed27899f1baad50c99da13884d2471f /dev/CompilerKit/src/FrontendHelpers.cc | |
| parent | 555530e9de49324e2e5fed035418d32ac4045608 (diff) | |
feat! breaking API changes before NeKernel.org 0.0.4.
Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
Diffstat (limited to 'dev/CompilerKit/src/FrontendHelpers.cc')
| -rw-r--r-- | dev/CompilerKit/src/FrontendHelpers.cc | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/dev/CompilerKit/src/FrontendHelpers.cc b/dev/CompilerKit/src/FrontendHelpers.cc new file mode 100644 index 0000000..37b36f7 --- /dev/null +++ b/dev/CompilerKit/src/FrontendHelpers.cc @@ -0,0 +1,51 @@ +/* ------------------------------------------- + + Copyright (C) 2025 Amlal EL Mahrouss, all rights reserved + +------------------------------------------- */ + +#include <CompilerKit/Frontend.h> + +namespace CompilerKit { +/// find the perfect matching word in a haystack. +/// \param haystack base string +/// \param needle the string we search for. +/// \return if we found it or not. +BOOL find_word(STLString haystack, STLString needle) noexcept { + auto index = haystack.find(needle); + + // check for needle validity. + if (index == STLString::npos) return false; + + // declare lambda + auto not_part_of_word = [&](int index) { + if (std::isspace(haystack[index]) || std::ispunct(haystack[index])) return true; + + if (index <= 0 || index >= haystack.size()) return true; + + return false; + }; + + return not_part_of_word(index - 1) && not_part_of_word(index + needle.size()); +} + +/// find a word within strict conditions and returns a range of it. +/// \param haystack +/// \param needle +/// \return position of needle. +SizeType find_word_range(STLString haystack, STLString needle) noexcept { + auto index = haystack.find(needle); + + // check for needle validity. + if (index == STLString::npos) return false; + + if (!isalnum((haystack[index + needle.size() + 1])) && + !isdigit(haystack[index + needle.size() + 1]) && + !isalnum((haystack[index - needle.size() - 1])) && + !isdigit(haystack[index - needle.size() - 1])) { + return index; + } + + return STLString::npos; +} +} // namespace CompilerKit
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