I have a couple of block helpers, here's a simple example of what I'm doing:
def wrap_foo foo, &block
data = capture(&block)
content = "
<div class=\"foo\" id=\"#{foo}\">
#{data}
</div>"
concat( content )
end
I'm just trying out erubis and it's giving me the following error:
You have a nil object when you didn't expect it!
You might have expected an instance of Array.
The error occurred while evaluating nil.<<
Removing the call to concat
removes the error but ends up with my wrapper not being rendered
Using:
Actually using the rails_xss plugin, which was my ultimate goal contains a fix for this.
I just had to change my helper to do this concat( content.html_safe! )
since Erubis 2.7.0 you can exploit the :bufvar option in this way:
Erubis::Helpers::RailsHelper.init_properties = {:bufvar => '@output_buffer'}
Erubis and Rails 2.3 don't work together well. Check out this post: http://daveelkins.com/2009/06/18/making-erubis-264-and-rails-23-work-together/ He has created a gem on github that gets them to work together.
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