NAME
Konstrukt::Plugin::perlvar - Access to Perl variables
SYNOPSIS
Usage:
<!-- set value -->
<& perlvar var="$Foo::Bar" set="baz" / &>
<!-- print out value -->
<& perlvar var="$Foo::Bar" / &>
<& perlvar var="undef" &>this default will be used<& / &>
<!-- unset value -->
<& perlvar var="$Foo::Bar" unset="1" / &>Result:
<!-- set value -->
<!-- print out value -->
baz
this default will be used
<!-- unset value -->DESCRIPTION
Plugin to support access to variables.
In fact the statement in the var-attribute is eval'ed. so when using it without set, the return value of any perl statement will be returned. Use it with care!
METHODS
prepare
The date is a very volatile data. We don't want to cache it...
Parameters:
$tag - Reference to the tag (and its children) that shall be handled.
execute
Checks the passed tag for attributes like var="varname" and set="value".
With only var being passed, the value of the will be put out.
With additionaly set being passed, the according value of the variable will be changed and nothing will be put out.
Parameters:
$tag - Reference to the tag (and its children) that shall be handled.
AUTHOR
Copyright 2006 Thomas Wittek (mail at gedankenkonstrukt dot de). All rights reserved.
This document is free software. It is distributed under the same terms as Perl itself.