The XUpdate spec and DTD is looking good.
A few typos in the DTD:
"<!ELEMENT xupdate:insert-before (%instructions;)*>
<!ATTLIST xupdate:insert
select CDATA #REQUIRED
>
<!ELEMENT xupdate:insert-after (%instuctions;)*>
<!ATTLIST xupdate:insert
select CDATA #REQUIRED
>
<!ELEMENT xupdate:append (%instructions;)*>
<!ATTLIST xupdate:insert
select CDATA #REQUIRED
child CDATA #IMPLIED
>
"
editorgen.xsl can be easily rewritten (when i have a moment) and renamed
updategen.xsl
the one thing i would like to see is an
<xupdate:update-or-insert select="..">
alternatively we can also include an
<xupdate:choose><xupdate:when ...>..<xupdate:otherwise..>
construct.
Basically I want to be able to:
<choose>
<when test="path">
<update select="path">
new value
</update>
</when>
<otherwise>
<append select="path/parent::node()">
new value
</append>
</otherwise>
</choose>
Also, the remainind construct in XEditor which I find useful is the
"path-prefix" attribute, the reason this exists is to allow the XUpdate
operation to take place on a specified subtree of the main document
specified by the path-prefix value which is prepended to the generated
XPaths (see http://www.openhealth.org/editor/editorgen.xsl for usage.
1) this attribute is optional
2) when the document to be updated does have a deep hierarchy it simplifies
the update list.
Think of it this way: suppose the entire world is in a huge XML document,
path-prefix allows the update operation to be carried out on a particular
well defined location within what is otherwise a morass.
Jonathan Borden
The Open Healthcare Group
http://www.openhealth.org
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