#include <brewtils/string.h>

std::string

brewtils::string::join(const std::vector<std::string> &strings,

const std::string &delimiter) noexcept(true) {

std::string result;

for (size_t i = 0; i < strings.size(); ++i) {

if (i > 0) {

result += delimiter;

}

result += strings[i];

}

return result;

}

std::string

brewtils::string::join(const std::set<std::string> &strings,

const std::string &delimiter) noexcept(true) {

std::string result;

std::set<std::string>::iterator it = strings.begin();

result += *it;

++it;

for (; it != strings.end(); ++it) {

result += delimiter;

result += *it;

}

return result;

}

std::vector<std::string>

brewtils::string::split(const std::string &str,

const std::string &delimiter) noexcept(true) {

std::vector<std::string> result;

size_t start = 0;

size_t end = str.find(delimiter);

result.reserve(str.size() / (delimiter.size() + 1));

while (end != std::string::npos) {

result.emplace_back(str.substr(start, end - start));

start = end + delimiter.size();

end = str.find(delimiter, start);

}

result.emplace_back(str.substr(start));

return result;

}

std::string brewtils::string::trim(const std::string &str) noexcept(true) {

std::regex pattern(R"(^\s+|\s+$)");

return std::regex_replace(str, pattern, "");

}

std::string brewtils::string::replace(const std::string &str,

const std::string &from,

const std::string &to) noexcept(true) {

std::string result = str;

size_t start_pos = 0;

while ((start_pos = result.find(from, start_pos)) != std::string::npos) {

result.replace(start_pos, from.length(), to);

start_pos += to.length();

}

return result;

}

std::string brewtils::string::lower(const std::string &str) noexcept(true) {

std::string result = str;

std::transform(result.begin(), result.end(), result.begin(), ::tolower);

return result;

}

std::string brewtils::string::upper(const std::string &str) noexcept(true) {

std::string result = str;

std::transform(result.begin(), result.end(), result.begin(), ::toupper);

return result;

}