Hi,
This is about inaccurate content completion lists in editing XML instances
associated with certain Relax NG schemas.
I have some schemas that have this kind of structure:
...
<element name="item">
<attribute name="name">
<value>first</value>
</attribute>
<element name="response">
<attribute name="value">
<choice>
<value>alpha</value>
<value>beta</value>
</choice>
</attribute>
</element>
</element>
<element name="item">
<attribute name="name">
<value>second</value>
</attribute>
<element name="response">
<attribute name="value">
<choice>
<value>gamma</value>
<value>delta</value>
</attribute>
</element>
</element>
...
resulting in instances that look like this:
...
<item name="first">
<response value="alpha"/>
</item>
<item name="second">
<response value="gamma"/>
</item>
...
What I tend to find when editing the instance, the content completion lists are
accurate for //item/@name, but generally **inaccurate** for
//item/response/@value.
I can understand this -- the latter have a layer of dependency that the former
do not.
On the other hand, when I validate such an instance, the error messages I get
from Jing regarding //item/response/@value always accurately enumerate the
valid options. For example, this (invalid) instance:
...
1) <item name="first">
2) <response value="gamma"/>
3) </item>
4) <item name="second">
5) <response value="alpha"/>
6) </item>
...
would get the following errors from Jing:
(line 2) [Jing] value of attribute "value" is invalid; must be equal to
"alpha" or "beta".
(line 5) [Jing] value of attribute "value" is invalid; must be equal to
"gamma" or "delta".
The content completion lists usually would just show the choices pertaining to
it...@name="first"]/response/@name, even when attempting to complete the value
entry for it...@name="second"]/response/@value.
So basically, Jing sees all the dependencies, but the content completion list
algorithm does not.
So my question is: would it be possible to give the content completion engine
some hints from Jing, in order to improve the accuracy in cases like this where
there are such dependencies? Or is there some other strategy for improving
content completion in these cases?
John
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