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#include "common.hh"
#include "strutils.hh"
namespace stuff {
std::string ascii_tolower(const std::string& str) {
for (auto it = str.begin(); it != str.end(); ++it) {
if (*it >= 'A' && *it <= 'Z') {
std::string ret(str.begin(), it);
ret.push_back('a' + *it - 'A');
auto last = ++it;
while (it != str.end()) {
if (*it >= 'A' && *it <= 'Z') {
ret.append(last, it);
ret.push_back('a' + *it - 'A');
last = ++it;
} else {
++it;
}
}
ret.append(last, it);
return ret;
}
}
return str;
}
namespace {
bool is_ws(char c) {
return c == ' ' || c == '\t' || c == '\n' || c == '\r';
}
} // namespace
std::string trim(const std::string& str) {
auto start = str.begin();
while (start != str.end() && is_ws(*start)) start++;
auto end = str.end() - 1;
while (end >= start && is_ws(*end)) end--;
return std::string(start, end + 1);
}
} // namespace stuff
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