Method find

modules/gui/gui/src/backend/text_server/ustring.cpp:3454–3500

}

int String::find(const String& p_str, int p_from) const
{
    if (p_from < 0)
    {
        return -1;
    }

    const int src_len = p_str.length();

    const int len = length();

    if (src_len == 0 || len == 0)
    {
        return -1; // won't find anything!
    }

    const char32_t* src = get_data();
    const char32_t* str = p_str.get_data();

    for (int i = p_from; i <= (len - src_len); i++)
    {
        bool found = true;
        for (int j = 0; j < src_len; j++)
        {
            int read_pos = i + j;

            if (read_pos >= len)
            {
                ERR_PRINT("read_pos>=len");
                return -1;
            }

            if (src[read_pos] != str[j])
            {
                found = false;
                break;
            }
        }

        if (found)
        {
            return i;
        }
    }

    return -1;
}

int String::find(const char* p_str, int p_from) const
{