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#pragma once
#include <iostream>
#include <string>
const std::string WHITESPACE = " \n\r\t\f\v";
inline std::string ltrim(const std::string& s) {
size_t begin = s.find_first_not_of(WHITESPACE);
return (begin == std::string::npos) ? "" : s.substr(begin);
}
inline std::string rtrim(const std::string& s) {
size_t end = s.find_last_not_of(WHITESPACE);
return (end == std::string::npos) ? "" : s.substr(0, end + 1);
}
inline std::string trim(const std::string& s) { return rtrim(ltrim(s)); }
inline std::string capitalize(const std::string& str) {
std::string result = str;
std::transform(result.begin(), result.end(), result.begin(),
[](unsigned char c) { return std::toupper(c); });
return result;
}
inline std::string toLower(const std::string& str) {
std::string result = str;
std::transform(result.begin(), result.end(), result.begin(),
[](unsigned char c) { return std::tolower(c); });
return result;
}
inline std::vector<std::string> split(std::string_view s, std::string_view delimiter,
int max_splits = -1) {
std::vector<std::string> result;
size_t pos = 0;
size_t next_pos = 0;
while ((next_pos = s.find(delimiter, pos)) != std::string::npos) {
result.push_back(std::string(s.substr(pos, next_pos - pos)));
pos = next_pos + delimiter.size();
if (max_splits > 0 && result.size() == static_cast<size_t>(max_splits)) {
break;
}
}
result.push_back(std::string(s.substr(pos)));
return result;
}
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