XML DTD Question - .NET Framework

Jay

Here is my original xml structure. I want to add another child node called
hyperlinks to the parent graphic. How would I modify this DTD to reflect
this new child being added.

Thank You for any help toward this end!

<graphics>
<graphic>
<tag>
<parameter/>
<parameter/>
<parameter/>
</tag>
<tag>
<parameter/>
</tag>
</graphic>
</graphics>

New Structure:

<graphics>
<graphic>
<tag>
<parameter />
<parameter />
<parameter />
</tag>
<tag>
<parameter />
</tag>
<hyperlinks>
<href />
</hyperlinks>
</graphic>
</graphics>

Original DTD

<!DOCTYPE graphics [
<!ELEMENT graphics (graphic*)>
<!ELEMENT graphic (tag*)>
<!ATTLIST graphic id ID #REQUIRED>
<!ATTLIST graphic name CDATA #IMPLIED>
<!ELEMENT tag (parameter*)>
<!ATTLIST tag id ID #REQUIRED>
<!ATTLIST tag name CDATA #IMPLIED>
<!ELEMENT parameter EMPTY>
<!ATTLIST parameter id ID #REQUIRED>
<!ATTLIST parameter name CDATA #IMPLIED>]>

Nov 12 '05 #1

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1047

Nigel Armstrong

Hi Jay

You've got to modify/add the following <!ELEMENT...> declarations:

<!ELEMENT graphic (tag*, hyperlinks)>
<!ELEMENT hyperlinks (href)>
<!ELEMENT href EMPTY>

This is with what you've shown for the document - if the href element
contains text, then you need <!ELEMENT href (#PCDATA)>...instead of EMPTY

You should also be aware of element repetition issues. If the hyperlinks
element can contain multiple href elements, then you might need <!ELEMENT
hyperlinks (href+)> (for one to many)...

HTH

Nigel Armstrong
"Jay" wrote:

Here is my original xml structure. I want to add another child node called
hyperlinks to the parent graphic. How would I modify this DTD to reflect
this new child being added.

Thank You for any help toward this end!

<graphics>
<graphic>
<tag>
<parameter/>
<parameter/>
<parameter/>
</tag>
<tag>
<parameter/>
</tag>
</graphic>
</graphics>

New Structure:

<graphics>
<graphic>
<tag>
<parameter />
<parameter />
<parameter />
</tag>
<tag>
<parameter />
</tag>
<hyperlinks>
<href />
</hyperlinks>
</graphic>
</graphics>

Original DTD

<!DOCTYPE graphics [
<!ELEMENT graphics (graphic*)>
<!ELEMENT graphic (tag*)>
<!ATTLIST graphic id ID #REQUIRED>
<!ATTLIST graphic name CDATA #IMPLIED>
<!ELEMENT tag (parameter*)>
<!ATTLIST tag id ID #REQUIRED>
<!ATTLIST tag name CDATA #IMPLIED>
<!ELEMENT parameter EMPTY>
<!ATTLIST parameter id ID #REQUIRED>
<!ATTLIST parameter name CDATA #IMPLIED>]>

Nov 12 '05 #2

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