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https://issues.apache.org/jira/browse/VELOCITY-666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12663409#action_12663409
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claude edited comment on VELOCITY-666 at 1/13/09 10:34 AM:
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This can be achieved via:
#set($bodyContent = "#strong($foobar)")
Can you give us a use case where the new directive would be mandatory?
PS: you should maybe rename it #summon ;-)
was (Author: claude):
This can be achieved via:
#set($bodyContent = "#strong($foobar)")
Can you give us a use case where the new directive would be mandatody?
PS: you should maybe rename it #summon ;-)
> RFC: new directive: #call
> -------------------------
>
> Key: VELOCITY-666
> URL: https://issues.apache.org/jira/browse/VELOCITY-666
> Project: Velocity
> Issue Type: Improvement
> Affects Versions: 1.6.2, 1.7
> Reporter: Jarkko Viinamäki
> Attachments: velocity-call-directive.patch
>
>
> Inspired by VELOCITY-583 (BlockMacro support) I implemented the same
> functionality in a slightly different way.
> This patch introduces a new directive #call("mymacro" $arg1 $arg2 ... ) any
> valid Velocity content here #end
> This directive causes a call to defined macro with given arguments AND passes
> the enclosed AST as an argument which can be referenced with $bodyContent
> (default, name is configurable).
> An example:
> #set($foobar = "yeah!")
>
> #macro(strong $txt)
> <strong>$bodyContent</strong> $txt
> #end
> #call("strong" $foobar)
> <u>This text is underlined and bold</u>
> #end
>
> Will print:
> <strong><u>This text is underlined and bold<u></strong> yeah!
> Like I commented in VELOCITY-583 the same thing can be done by first using
> #define to build up some custom AST and then pass that AST as an argument to
> some macro. While it works, it's not as convenient as this syntax. This patch
> however increases the amount of code lines in Velocity and the implementation
> is a bit "hackish" so even I'm not totally convinced whether we should commit
> this.
> But anyway, here it is, I'd love to hear your comments.
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