Zorba - NoSQL Query Processing

Content of text_with_image.xq example

(:
 : This example uses the send function of the SMTP module to send an email
 : containing a simple text message with an image as attachement from a GMail
 : account.
 : To make things really interesting, the image is made on the spot with the
 : help o the image modules available in Zorba.
 :)

import module namespace smtp = 'http://www.zorba-xquery.com/modules/email/smtp'; 
import module namespace basic = 'http://www.zorba-xquery.com/modules/image/basic';
import module namespace paint = 'http://www.zorba-xquery.com/modules/image/paint';


(: This variable contains the information of the account from which the email should be sent. :) 
let $hostInfo :=
  &lt;hostInfo xmlns="http://www.zorba-xquery.com/modules/email"&gt;
    &lt;hostName&gt;smtp.gmail.com:587/tls/novalidate-cert&lt;/hostName&gt;
    &lt;userName&gt;zorba.smtp.sender&lt;/userName&gt;
    &lt;password&gt;1openssl!!&lt;/password&gt;
  &lt;/hostInfo&gt;

(: The base64 representation of the image to be sent. :) 
let $image := paint:paint(
  basic:create(xs:unsignedInt(200), xs:unsignedInt(200), "GIF"),
  &lt;text xmlns="http://www.zorba-xquery.com/modules/image/image"&gt;
    &lt;origin&gt;&lt;x&gt;20&lt;/x&gt;&lt;y&gt;50&lt;/y&gt;&lt;/origin&gt;
    &lt;text&gt;Zorba really rocks.&lt;/text&gt;
    &lt;font&gt;Arial&lt;/font&gt;
    &lt;font-size&gt;14&lt;/font-size&gt;
  &lt;/text&gt;)

(: the XML representation of the email to be sent, as described by the XML schema
   http://www.zorba-xquery.com/modules/email :)
let $email := 
  &lt;message xmlns="http://www.zorba-xquery.com/modules/email"&gt;
    &lt;envelope&gt;
      &lt;date&gt;2010-11-26T15:50:39-04:01&lt;/date&gt;
      &lt;subject&gt;An important Image message&lt;/subject&gt;
      &lt;recipient&gt;
        &lt;to&gt;
          &lt;name&gt;Test Account&lt;/name&gt;
          &lt;email&gt;imaptest@28msec.com&lt;/email&gt;
        &lt;/to&gt;
      &lt;/recipient&gt;
    &lt;/envelope&gt;
    &lt;body&gt;
      &lt;multipart contentType="multipart/mixed" charset="UTF-8" contentTransferEncoding="ENC8BIT"&gt;
        &lt;content contentType="text/plain" charset="UTF-8" contentTransferEncoding="ENC8BIT"&gt;
          Zorba really rocks. 
        &lt;/content&gt;
        &lt;content contentType="image/gif" charset="UTF-8" contentTransferEncoding="ENCBASE64"
          contentDisposition="attachement" contentDisposition-filename="the-truth.gif"&gt;{

          $image

        }&lt;/content&gt;
      &lt;/multipart&gt;  
    &lt;/body&gt;
  &lt;/message&gt;

return
  smtp:send($hostInfo, $email)