From: Miles Monroe <aaronbecker17@...>
Date: 2006-03-14T05:35:35+09:00
Subject: Re: Wrapping XML document in Class

Miles Monroe wrote:
> I would like to use Ruby and REXML to wrap an XML document and allow
> access to the element nodes, attributes, and text.  Essentially I need
> an XML document builder loosely coupled from the document.
> 
> It seems like Ruby is powerful enough to code generate a class given an
> XML document or build an object at run-time with the appropriate
> accessors.
> 
> For instance:
> 
> order = XmlBuilder.new
> 
> order.add("root").add("header")
> order.root.add("body")
> 
> order.body.add("component").attributes["type"] = "metric"
> 
> order.write($stdout)
> 
> I'd also like to be able to plug-in input validation when assigning
> values to elements and attributes.
> 
> Has anyone done this before?
> 
> Thanks.

I found this blog entry on a XmlStringBuffer class in Ruby.  I 
understand using  method_missing to create the element, but I'm not sure 
how to closures would be implemented.  Thanks.

http://www.beust.com/weblog/archives/000025.html

xml = XML.new

xml.html {
  xml.head {
  }
  xml.body {
    xml.table {
      xml.tr {
        xml.td({ "valign" => "top"}, "Content1"){
        }
        xml.td {
          xml.append("Content2")
        }
      }
    }
  }
}


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