Add new directive #evaluate
---------------------------
Key: VELOCITY-509
URL: https://issues.apache.org/jira/browse/VELOCITY-509
Project: Velocity
Issue Type: New Feature
Components: Engine
Affects Versions: 1.5 beta2
Reporter: Will Glass-Husain
Priority: Minor
Fix For: 1.6
On a separate issue (VELOCITY-504) we came up with the idea of a new directive,
#evaluate. Basically, it would act just like Velocity.evaluate().
Users are always asking for this capability (internal evaluation). Usually we
tell them to "use a tool". Instead, we should just put in a simple directive
that would evaluate a VTL string using the current context.
Incidentally, this should be the current local context, e.g. if inside a macro
or a foreach loop (or worse, both) it should use that context. See
VELOCITY-504 for why this is needed.
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