Re: Thanks to Violaine, Enhancement request

Hi Adam,

It was nice to meet you too.  I agree with the whole "name with a face"
sentiment.
I have put your request in the list.

thanks,

Violaine Batthish
WebSphere Development Studio Client, IBM Toronto Lab



wdsci-l-bounces@xxxxxxxxxxxx wrote on 20/04/2006 02:56:51 PM:

> Hi Violaine,
>
> Thanks for your presentation at the TEC conference on Tuesday, and your
> help afterward.  It was a useful presentation and it was also nice to put

> a face to the name.
>
> Here is my request, posted to the list as requested.
> I really like regular expression (RE) search.  What I would like is
> support for RE capture groups for search/replace.  I am pretty sure this
> is possible in the Eclipse Java editor if that helps any... I don't know
> if LPEX can call that code or not.
>
> For example, suppose I have a display file with screen fields which are
> prefixed by a letter 'sf' (screen field) to denote make them easy to
> identify in my program.  I want to do crazy display things with them
(like
> randomly change colours), so I have an DSPATR(field) for each of them,
> prefixed with an 'sa' (screen attribute) and name the same as the field.
> So now I have the following field names a bunch of places in my program
>
> sName
> sAddr1
> sAddr2
>
> aName
> aAddr1
> aAddr2
>
> Now, for some reason I want to change Addr1 and Addr2 to be Adrss1 and
> Adrss2.  This is bit silly, I know, but bear with me - I have had valid
> reasons to do this, but of course now I can't remember any. :)
>
> What I would like to do is:
>
> Find:  \((s|a)\)Addr\((1|2)\)
> Replace: &1Adrss&2
>
> So \( and \) delineate a 'capture group', with &1 and &2 being
> substitution variables corresponding to the capture groups as they occur
> from left to right in the expression.  I would end up with:
>
> sName
> sAdrss1
> sAdrss2
>
> aName
> aAdrss1
> aAdrss2
>
> everywhere in the program with one fell swoop.
>
> In the case of nested groups:
>
> \(\((1|2)\)(ack|syn)\)someMoreStuff
>
> &1 would contain one of '1ack', '2ack', '1syn', '2syn' and &2 would
> contain '1' or '2'.
>
> I imagine this would be difficult to implement, but it can produce some
> really nice results once you get the hang of it.
>
> Thanks for all your work tracking these requests,
> Adam