XSL-T Adding Missing schema elements from input xml as empty tags

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I am relatively new to XSL-T. My requirement is rather simple. I want to add missing elements of Schema which are not present in the xml as empty tags.

For example,

<xs:schema xmlns:xs="http://ift.tt/tphNwY"
           attributeFormDefault="unqualified"
           elementFormDefault="qualified">
  <xs:element name="RootElement">
      <xs:complexType>
         <xs:sequence>
            <xs:element name="XMLTagOne">
               <xs:complexType>
                  <xs:sequence>
                     <xs:element type="xs:string" name="value1"/>
                  </xs:sequence>
               </xs:complexType>
            </xs:element>
            <xs:element name="RepeatableElementOne" maxOccurs="unbounded" minOccurs="0">
               <xs:complexType>
                  <xs:sequence>
                     <xs:element type="xs:string" name="value2"/>
                     <xs:element name="RepeatableElemenTwo" maxOccurs="unbounded" minOccurs="0">
                        <xs:complexType>
                           <xs:sequence>
                              <xs:element type="xs:string" name="value3"/>
                           </xs:sequence>
                        </xs:complexType>
                     </xs:element>
                  </xs:sequence>
               </xs:complexType>
            </xs:element>
         </xs:sequence>
      </xs:complexType>
  </xs:element>
</xs:schema>

Consider This i/p:

<RootElement>
    <RepeatableElementOne>
        <value2>bb</value2>
        <RepeatableElemenTwo>
            <value3>cc</value3>
        </RepeatableElemenTwo>
        <RepeatableElemenTwo>
            <value3>dd</value3>
        </RepeatableElemenTwo>
    </RepeatableElementOne>
    <RepeatableElementOne>
        <value2>ee</value2>
    </RepeatableElementOne>
</RootElement>

For this i/p I want the element <XMLTagOne> and <RepeatableElemenTwo> to be added as empty tags.

Expected O/P:

<RootElement>
    <XMLTagOne>               <!-- Added as empty tag though not present in i/p-->
        <value1></value1>
    </XMLTagOne>
    <RepeatableElementOne>
        <value2>bb</value2>
        <RepeatableElemenTwo>
            <value3>cc</value3>
        </RepeatableElemenTwo>
        <RepeatableElemenTwo>
            <value3>dd</value3>
        </RepeatableElemenTwo>
    </RepeatableElementOne>
    <RepeatableElementOne>
        <value2>ee</value2>
        <RepeatableElemenTwo>
            <value3></value3>
        </RepeatableElemenTwo>
    </RepeatableElementOne>
</RootElement>

With Some Initial Research I discovered that I have to traverse through every node with an identity template matching all elements. Can you suggest me how I can approach this problem? Thanks.

asked 1 min ago

user3446786

68

XSL-T Adding Missing schema elements from input xml as empty tags