Method parse_url

modules/gui/gui/src/backend/text_server/ustring.cpp:258–337

/*************************************************************************/

Error String::parse_url(String& r_scheme, String& r_host, int& r_port, String& r_path) const
{
    // Splits the URL into scheme, host, port, path. Strip credentials when present.
    String base = *this;
    r_scheme    = "";
    r_host      = "";
    r_port      = 0;
    r_path      = "";
    int pos     = base.find("://");
    // Scheme
    if (pos != -1)
    {
        r_scheme = base.substr(0, pos + 3).to_lower();
        base     = base.substr(pos + 3, base.length() - pos - 3);
    }
    pos = base.find("/");
    // Path
    if (pos != -1)
    {
        r_path = base.substr(pos, base.length() - pos);
        base   = base.substr(0, pos);
    }
    // Host
    pos = base.find("@");
    if (pos != -1)
    {
        // Strip credentials
        base = base.substr(pos + 1, base.length() - pos - 1);
    }
    if (base.begins_with("["))
    {
        // Literal IPv6
        pos = base.rfind("]");
        if (pos == -1)
        {
            return ERR_INVALID_PARAMETER;
        }
        r_host = base.substr(1, pos - 1);
        base   = base.substr(pos + 1, base.length() - pos - 1);
    }
    else
    {
        // Anything else
        if (base.get_slice_count(":") > 2)
        {
            return ERR_INVALID_PARAMETER;
        }
        pos = base.rfind(":");
        if (pos == -1)
        {
            r_host = base;
            base   = "";
        }
        else
        {
            r_host = base.substr(0, pos);
            base   = base.substr(pos, base.length() - pos);
        }