[cdt-dev] Get ast from file name

[maximed@xxxxxxxxxxxxxxxxxxx]

Hi all.

I've been looking for it for a long time, but did'nt find it. Is there  
a way to get a file's translation unit from its filename.

I'm looking for something like
    public IASTTranslationUnit getUnitFromFilename(String pFilename),  
or a way do it. The best should be a way to get directlya node selector.

If somebody has time to answer me, thanks in advance.

Maxime