[pmwiki-users] How to create markup macros?

[Harry Forsdick]

I have mastered some parts of extending pmWiki markup, but there is one
simple case that I can't seem to get to work.

In a travelog that has navigation between pages, I have been laboriously
copying the same code at the top and bottom of each pakge and then modifying
it so that there is a previous day and next day link.  The wiki code is
something like:

||[[Main.MonFeb05|<- Monday, February 5]] || [[Main.WedFeb07|Wednesday,
February 7 ->]]||

I have gotten tired of this copying and so I decided to create what I think
of as a macro to generate the pmWiki language code from a short directive:

(:navprevnext Feb6:)

the code that I have added to my config.php file is:

## NAVPREVNEXT
Markup('navprevnext', 'fulltext', '/\\(:navprevnext +(.*?):\\)/e',
"GenerateNavPrevNextCode('$1')");
function GenerateNavPrevNextCode($DateStr)
{
  $date = strtotime($DateStr);
  $prev = $date - 86400;
  $next = $date + 86400;

  $result = "||[[Main." . date("DMd",$prev) . "|<- " . date("l, F j", $prev)
. "]] ||  [[Main." . date("DMd",$next) . "|" . date("l, F j", $next) . "
->]]||";

  return Keep($result);
}

The problem is that the pmWiki markup appears, not the interpretation of the
markup.

Can anybody suggest what I am doing wrong?  I think I have tried every
different "when" setting with no success.

Thanks,

     Harry

-- 
Harry Forsdick
781.861.6149 (home)  781.799.6002 (cell)
http://www.forsdick.com
http://forsdick.blogspot.com
http://www.lexdig.com
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