Hi,
I've added a possible implementation to CVS that allows us to support global
collections.
To summarize implementation :
- modify the collection class to derive from a new DataTypeCollectionBase
- have it implement Ilist
- add an ElementName attribute (with the name of the global type)
- add a BuildElement attribute to the Add method
Classes that use the collection should have both a getter and a setter for
the collection to allow the referenced type to be set.
That last part is what I have a problem with: I'd really like to have an
implementation that avoids the need for having setters on collection based
properties. Anyone have any bright ideas on this or does anyone have time to
give this some thought ? How exactly has support for referencable types been
implemented in Ant ? Any lessons we can learn from them ?
As a example / proof of concept, I've transformed the <imports> child
element that is used in <vbc>, <script> and <asminfo> into a global type
called <namespaceimports>.
This allows the following build fragment to be used:
<project name="whatever" default="build">
<namespaceimports id="test.imports">
<import namespace="System" />
<import namespace="System.Data" />
<import namespace="System.Windows.Forms" />
</namespaceimports>
<target name="build">
<vbc ...>
<imports refid="test.imports" />
...
</vbc>
</target>
</project>
Any feedback on the implementation is greatly appreciated !
Gert
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