Hey Tim,
Here is what I came up with. It mimics the rails method in that it does not deal with attributes. It also doesn't do anything with namespaces either. Frankly I don't quite know how I would deal those issues anyway.
Cool. So I assume you want this to be a drop in replacement for whatever Rails is using now (REXML I assume?). Does Rails have a test suite for outputting xml that you can test against?
If we can prove this actually works, then maybe we wrap it up as an optional module included in libxml that you could require in code?
I am a fairly new rubyist so this code may not be up to your
standards, feel free to do with it what you will.
class LibXML::XML::Node
def has_duplicate_elements?
a=[]
self.each_element do |c|
return true if a.include? c.name
a << c.name
end
return false
end
def node_to_hash (node)
if not node.children?
nil
elsif (node.children.count == 1 && node.first.text?) ||
node.empty?
node.content
elsif node.has_duplicate_elements?
a =[]
node.each_element do |e|
a << {e.name => node_to_hash(e)}
end
a
else
h = {}
node.each_element { |e|
h[e.name] = node_to_hash(e)
}
h
end
end
def to_hash
h={}
h[self.name] = node_to_hash(self)
h
end
end
At a quick glance it seems ok.... Charlie
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