Experiment with cleaning up the XML in the new FIS XEP.

fis_examples.xml

<!-- Notes:
The <offer />, and <request /> wrappers aren't needed, since that
information is provided by the IQ type.

The node attribute is the path of a file or directory in these
examples, but its not really required that the two match. There
could be a mapping of UUIDs to paths, with the node being the UUID.

Using the term node would make it easier conceptually for 
future XEPs that tie in pubsub updates for new/changed/removed
files.

As for the search portion of FIS, I'm not sure what is best. Doing
something like:

<query xmlns="urn:xmpp:fis:search:0">...</query>

may be the best option since the form request in jabber:iq:search
can't be scoped to request what kind of search you want to make.
-->

<!-- Example 1: Request shared root directory -->

<iq type="get" id="1">
  <query xmlns="urn:xmpp:fis" />
</iq>

<iq type="result" id="1">
  <query xmlns="urn:xmpp:fis:0">
    <file xmlns='urn:xmpp:jingle:apps:file-transfer:3'>
      <date>1969-07-21T02:56:15Z</date>
      <desc>This is a test. If this were a real file...</desc>
      <name>test.txt</name>
      <size>1022</size>
      <hash xmlns='urn:xmpp:hashes:1' algo='sha-1'>552da749930852c69ae5d2141d3766b1</hash>
    </file>
    <file xmlns='urn:xmpp:jingle:apps:file-transfer:3'>
      <name>test2.txt</name>
    </file>
    <directory name='pics' />
  </query>
</iq>


<iq type="result" id="1-alternate">
  <query xmlns="urn:xmpp:fis:0" />
</iq>

<!-- Example 2: Request a specific file's data -->

<iq type="get" id="2">
  <query xmlns="urn:xmpp:fis:0" node="test2.txt" />
</iq>

<iq type="result" id="2">
  <query xmlns="urn:xmpp:fis:0" node="test2.txt">
    <file xmlns='urn:xmpp:jingle:apps:file-transfer:3'>
      <name>test2.txt</name>
      <size>1000</size>
    </file>
  </query>
</iq>

<!-- Example 3: Request a directory's contents -->

<iq type="get" id="3">
  <query xmlns="urn:xmpp:fis:0" node="pics" />
</iq>

<iq type="result" id="3">
  <query xmlns="urn:xmpp:fis:0" node="pics">
    <file xmlns='urn:xmpp:jingle:apps:file-transfer:3'>
      <name>test3.png</name>
    </file>
    <file xmlns='urn:xmpp:jingle:apps:file-transfer:3'>
      <name>test4.png</name>
    </file>
    <directory name="landscapes" />    
  </query>
</iq>