On 03/25/2010 03:17 PM, Marius Dumitru Florea wrote:
> Hi devs,
>
> I have this code:
>
> var content = '$content';
>
> I need to escape the string before it is written to the response because
> otherwise the JavaScript code can be easily messed up. Is there any
> utility function/macro in the platform that I can use for this purpose?
> I couldn't find anything so I wrote a small velocity macro:
$escapetool.javascript($content)
> #**
> * Escapes the given velocity string before it is assigned to a
> JavaScipt variable.
> * The following characters are escaped: \, ", ' and \n.
> *
> * @param $string the string to be escaped for JavaScript
> *#
> #macro(escapeForJavaScript $string)$!{string.replace('\',
> '\\').replace('"', '\"').replace("'", "\'").replace("\u000D\u000A",
> "\u000A").replace("\u000A", '\n')}#end
>
> This code can be optimized in Java by traversing the string only once.
> Should I add a $util.escapeForJS method or the velocity macro to the
> platform?
>
> Thanks,
> Marius
--
Sergiu Dumitriu
http://purl.org/net/sergiu/
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