RE: [Ant-contrib-developers] CVS: ant-contrib/src/net/sf/antcontr ib/logic IfTask.java,1.2,1.3

[Inger, M. <inger@Synygy.com>]

Not really... You can have any number of elseif subelements,
the first one specified that evalutes to true (provided the initial <if>
condition doesn't evaluate to true), will have it's then clause executed.

Can you imaging the nesting needed to do something like
this pseudo java code:

if (..) { }
else if (..) { }
else if {..} { }
else if {..} { }
else { }


I think it's much clearer and more precise this way:

<if>
  <cond />
  <then />

  <elseif>
    <cond />
    <then />
  </elseif>

  <elseif>
    <cond />
    <then />
  </elseif>

  <elseif>
    <cond />
    <then />
  </elseif>

  <else>
  </else>

</if>


than this:

 <if>
  <cond />
  <then />

  <else>
    <if> <!-- First elseif -->
     <cond />
     <then />
     <else>
      <if>  <!-- Second elseif -->
       ...
       <else>
         <if>   <!-- Third elseif -->
           ...
           <else> <!-- Final else>
           </else>
         </if>
       </else>
      </if>
     </else>
    </if>

  </else>
 </if>




As you can see, the syntax i've provided is much
clearer, and less verbose.  And this is only a 3 elseif
clause if statement.  Imagine if there were more.

And good luck trying to change the order evaluation in
the long syntax.

-----Original Message-----
From: Stefan Bodewig [mailto:bo...@bo...]
Sent: Tuesday, January 14, 2003 11:02 AM
To: ant...@li...
Subject: Re: [Ant-contrib-developers] CVS:
ant-contrib/src/net/sf/antcontrib/logic IfTask.java,1.2,1.3


On Tue, 14 Jan 2003, Matt Inger <mat...@us...>
wrote:

> added <elseif> subelement to <if> task.

I understand that 

<if>
  <else>
    <if>
...
    </if>
  </else>
</if>

may be a bit longer, but then again, wouldn't you need a nested <elseif>
in <elseif> to account for more complicated things now?

Stefan


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