#include "trim.hpp"

namespace wavefront {
    std::string_view trim(const std::string_view &source) {
        auto start = source.data();
        // size is the size of buffer, data() + size() is the first available byte after the string.
        auto end = source.data() + source.size() - 1;
        while (start < end && std::isspace(*start)) {
            ++start;
        }
        while (start < end && (std::isspace(*end) || *end == 0)) {
            --end;
        }
        return std::string_view(start, end - start + 1);
    }
}