Rails - Sep 2006 - Re: Bug? ApplicationHelper methods are added to XML builder object

On 9/5/06, David Clements
<clements-UWkI3MzZw7X2fBVCVOL8/A@public.gmane.org>
wrote:
>
> I know this is weird and you might not believe me but I have confirmed
> this Rails version 1.1.6.
>
> I have an .rxml view file that produces RSS.  In this file is a call to
> xml.title(@feed_title) which in normal cases creates <title>Some cool
rss
> feed</title> .  However,    after awhile I start seeing this error:
>
> ActionView::TemplateError (wrong number of arguments (1 for 0)) on line #6
> of app/views/autonomy/query/rss.rxml:
> 3: xml.rss "version" =>  "2.0","xmlns:dc"
=> "http://purl.org/dc/elements/1.1"
> do
> 4:    xml.channel do
> 5:       logger.error("FOOOOOO" + xml.title.to_s)
> 6:       xml.title @feed_title
>
>
> After some digging I have discovered that the methods that in
> ApplicationHelper have been magically added to the xml builder object.
> This happens when I call a separate controller which does an
''include
> ApplicationHelper'' in it.    Thoughts?
>
> logger output
> Rendering autonomy/query/rss
> FOOOOOOCollective Intellect, Inc.
>
> File: Excerpt: ApplicationHelper
>
>
> 
#############################################################################
>   # Some layouts require a title method.
>   def title
>     @title || "Collective Intellect, Inc."
>   end
>
> File Excerpt: EmailReportController
>
> require ''ostruct''
> require ''analysis/email_report_helper''
> include ApplicationHelper
> include GruffHelper
> include Analysis::EmailReportHelper
>
> require ''base64''
>
> File: rss.rxml
> xml.instruct!
>
> xml.rss "version" =>  "2.0","xmlns:dc"
=> "http://purl.org/dc/elements/1.1"
> do
>    xml.channel do
>       xml.title @feed_title
>       xml.link url_for(:only_path => false)
>       xml.pubDate CGI.rfc1123_date(Time.now)
>       xml.description h(@description)
>       @results.each do |result|
>          xml.item do
>             xml.title result.title + "( #{result.weight} )"
>             xml.link result.reference
>             xml.description result.message
>             xml.pubDate CGI.rfc1123_date(Time.parse(result.date))
>             xml.guid result.reference
>             xml.author result.author
>             xml.summary result.summary
>             xml.relevance result.weight
>          end
>       end
>
>    end
>
> end
>

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