I am currently creating a wiki style parsing engine for the lack of a
better description. To date I have all the HTML elements parsing that I
need, but one of the requirements that I have is to allow the end user
to input variables from our system (kind of a merge field) and allow
them to perform math operations on them. I was hoping that someone
might know of an existing CF math parsing engine / code that I might be
able to get a foothold on how to accomplish this.
Anyone know of an existing open source library?
The current requirement is to allow for basic arithmetic but including
nesting parenthesis for more complex equations. I have some ideas for
the basic math, but when getting into nesting equations is where I get a
little fuzzy.
This is what I am trying to achieve in wiki markup:
[b]Welcome[/b]
[p]
Product Commission is
[math]({product_price}-{product_credits})*{commission_rate}[/math]
[/p]
Using my existing code I can get it to generate the correct [math] like:
(100000-500)*.15
I thought of simply tossing an eval() around this, but it seems like a
major hack and does not allow for more complex equations that might come
up later.
Anyone have any ideas?
Rich Kroll
Senior Technical Lead
SITE Manageware, Inc.
2841 West Cypress Creek Road
Fort Lauderdale, Florida 33309
954-944-9020 EXT. 716
954-272-8916 Fax
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