[TYPO3-dev] RealUrl #13475: userFunc an Bypass or: Add possibility to userFuncs to bypass the param as known from valueMap

[Steffen Ritter]

Hi Dmitry,

I'm just trying to use your glorius realurl again :)

Situation:

Currently I'm trying to use a userFunc on a preVar.
This works, if the preVar is set, with an UserFunction "bypassing" the 
preVar is not possible.

The result is, that if no pre-var is set the first segment of the 
page-path is not recognized as page-path.

so domain: domain.com/page1(.html) domain.com/page2.html ... will always 
   decoded as domain.com/


Analyses:

I digged into realurl code and worked on a solution which does not harm 
any existing configuration, fully backwarts-compatible but allows the 
userfunc to "bypass" the value itself if no match is found.

"Bypassing" the value is done in line 1339 with the call of 
array_unshift($pathParts, $origValue);

This "Bypassing" is logically located before the userFunc so does not 
work if the userfunc returns the empty/plain value.

On line 1344 in class.tx_realurl.php you build the param array as following:
$params = array('pObj' => &$this, 'value' => $value, 'decodeAlias' => TRUE);


Solution:
change line 1344 to:
$params = array('pObj' => &$this, 'value' => $value, 'decodeAlias' => 
TRUE, 'pathParts' => &$pathParts, 'origValue' => $origValue);

With this, the userFunc additionally has the possibility to manipulate 
the $pathParts array.
So, if the Userfunc "finds out" that there is no matching - and 
therefore it seems that there is no pre-var applied it can call the 
array_unshift($params['pathParts'],$params['origValue']); itself.

Since this does not change any default behavoiur but just adds a new 
possibility it would be nice if you could adapt the solution.

I just created a feature request in the bugtracker about it.
Would be nice to hear your opinion regarding the topic.

regards

Steffen