Function StrTrim

codegen/code_utils.cpp:34–47

void StrTrim(string *str, const char *to_trim) {
    string::size_type start_pos = 0;
    string::size_type end_pos = 0;

    start_pos = str->find_first_not_of(to_trim);

    end_pos = str->find_last_not_of(to_trim);

    if (start_pos == string::npos || end_pos == string::npos) {
        *str = "";
    } else {
        *str = str->substr(start_pos, end_pos - start_pos + 1);
    }
}

void StrReplaceAll(string *haystack, string needle, string s) {
    string::size_type pos = 0;