github/esphome
2
0
Fork 0
mirror of https://github.com/esphome/esphome.git synced 2026-09-16 17:48:40 +00:00
Code Issues Packages Projects Releases Wiki Activity

adl

Browse Source
This commit is contained in:
J. Nick Koston
2026-01-17 10:54:13 -10:00
parent 3cfca5228c
commit 451447b0fc
1 changed files with 27 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
esphome/core/string_ref.h
+27
View File
@@ -185,6 +185,33 @@ inline std::string operator+(const std::string &lhs, const StringRef &rhs) {
str.append(rhs.c_str(), rhs.size());
return str;
}
// String conversion functions for ADL compatibility (allows stoi(x) where x is StringRef)
// Uses strtol/strtod directly to avoid heap allocation
// NOLINTBEGIN(readability-identifier-naming)
template<typename R, typename F> inline R parse_number(const StringRef &str, size_t *pos, F conv) {
char *end;
R result = conv(str.c_str(), &end);
if (pos)
*pos = static_cast<size_t>(end - str.c_str());
return result;
}
template<typename R, typename F> inline R parse_number(const StringRef &str, size_t *pos, int base, F conv) {
char *end;
R result = conv(str.c_str(), &end, base);
if (pos)
*pos = static_cast<size_t>(end - str.c_str());
return result;
}
inline int stoi(const StringRef &str, size_t *pos = nullptr, int base = 10) {
return static_cast<int>(parse_number<long>(str, pos, base, std::strtol));
}
inline long stol(const StringRef &str, size_t *pos = nullptr, int base = 10) {
return parse_number<long>(str, pos, base, std::strtol);
}
inline float stof(const StringRef &str, size_t *pos = nullptr) { return parse_number<float>(str, pos, std::strtof); }
inline double stod(const StringRef &str, size_t *pos = nullptr) { return parse_number<double>(str, pos, std::strtod); }
// NOLINTEND(readability-identifier-naming)
#ifdef USE_JSON
// NOLINTNEXTLINE(readability-identifier-naming)
inline void convertToJson(const StringRef &src, JsonVariant dst) { dst.set(src.c_str()); }