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require 'nokogiri'
# = XmlMini Nokogiri implementation
module ActiveSupport
module XmlMini_Nokogiri #:nodoc:
extend self
# Parse an XML Document string into a simple hash using libxml / nokogiri.
# string::
# XML Document string to parse
def parse(string)
if string.blank?
{}
else
doc = Nokogiri::XML(string)
raise doc.errors.first if doc.errors.length > 0
doc.to_hash
end
end
module Conversions #:nodoc:
module Document #:nodoc:
def to_hash
root.to_hash
end
end
module Node #:nodoc:
CONTENT_ROOT = '__content__'
# Convert XML document to hash
#
# hash::
# Hash to merge the converted element into.
def to_hash(hash = {})
hash[name] ||= attributes_as_hash
walker = lambda { |memo, parent, child, callback|
next if child.blank? && 'file' != parent['type']
if child.text?
(memo[CONTENT_ROOT] ||= '') << child.content
next
end
name = child.name
child_hash = child.attributes_as_hash
if memo[name]
memo[name] = [memo[name]].flatten
memo[name] << child_hash
else
memo[name] = child_hash
end
# Recusively walk children
child.children.each { |c|
callback.call(child_hash, child, c, callback)
}
}
children.each { |c| walker.call(hash[name], self, c, walker) }
hash
end
def attributes_as_hash
Hash[*(attribute_nodes.map { |node|
[node.node_name, node.value]
}.flatten)]
end
end
end
Nokogiri::XML::Document.send(:include, Conversions::Document)
Nokogiri::XML::Node.send(:include, Conversions::Node)
end
end
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