XEP-0294 v0.2 -- Added XML Schema; Updated based on last call feedback

xep-0294.xml

@@ -28,6 +28,12 @@
     <jid>olivier.crete@collabora.co.uk</jid>
   </author>
   <discuss>jingle</discuss>
+  <revision>
+    <version>0.2</version>
+    <date>2015-03-25</date>
+    <initials>ph</initials>
+    <remark><p>Added XML Schema; Updated based on last call feedback.</p></remark>
+  </revision>
   <revision>
     <version>0.1</version>
     <date>2011-03-24</date>
@@ -93,8 +99,7 @@
 
 <p>Any type of RTP Header Extension that requires extra
 parameters in the a=b form can embed &lt;parameter/&gt; elements to
-describe it. Any other form of parameter can be stored in the CDATA
-inside the &lt;rtp-hdrext/&gt; element.</p>
+describe it. Any other form of parameter can be stored as the 'key' attribute in a parameter element with an empty value.</p>
 
 </section1> 
 
@@ -250,7 +255,58 @@ a=extmap:3 URI-frametype
   </section2>
 </section1>
 <section1 topic='XML Schemas'>
-<p>TODO: Write actual schema</p>
+  <code><![CDATA[
+<?xml version='1.0' encoding='UTF-8'?>
+
+<xs:schema
+    xmlns:xs='http://www.w3.org/2001/XMLSchema'
+    targetNamespace='urn:xmpp:jingle:apps:rtp:rtp-hdrext:0'
+    xmlns='urn:xmpp:jingle:apps:rtp:rtp-hdrext:0'
+    elementFormDefault='qualified'>
+
+  <xs:annotation>
+    <xs:documentation>
+      The protocol documented by this schema is defined in
+      XEP-0294: http://www.xmpp.org/extensions/xep-0294.html
+    </xs:documentation>
+  </xs:annotation>
+
+  <xs:element name='rtp-hdrext'>
+    <xs:complexType>
+      <xs:sequence>  
+        <xs:element name='parameter'
+            type='parameterElementType'
+            minOccurs='0' 
+            maxOccurs='unbounded'/>
+      </xs:sequence>
+      <xs:attribute name='id' type='xs:unsignedInt' use='required'/>
+      <xs:attribute name='uri' type='xs:string' use='required'/>
+      <xs:attribute name='senders'
+                  use='optional'
+                  default='both'>
+        <xs:simpleType>
+          <xs:restriction base='xs:NCName'>
+            <xs:enumeration value='both'/>
+            <xs:enumeration value='initiator'/>
+            <xs:enumeration value='none'/>
+            <xs:enumeration value='responder'/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+
+  <xs:complexType name='parameterElementType'>
+    <xs:simpleContent>
+      <xs:extension base='empty'>
+        <xs:attribute name='name' type='xs:string' use='required'/>
+        <xs:attribute name='value' type='xs:string' use='optional'/>
+      </xs:extension>
+    </xs:simpleContent>
+  </xs:complexType>
+
+</xs:schema>
+  ]]></code>
 </section1>
 <section1 topic='Acknowledgements' anchor='ack'>
   <p>Thanks to Youness Alaoui for his feedback.</p>