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@arjunmenon
Forked from huy/Hash.from_xml
Created June 6, 2018 21:07
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Convert xml to hash using Nokogiri
# USAGE: Hash.from_xml(YOUR_XML_STRING)require 'rubygems'
require 'nokogiri'
# modified from http://stackoverflow.com/questions/1230741/convert-a-nokogiri-document-to-a-ruby-hash/1231297#123129
7
class Hash
class << self
def from_xml(xml_io)
begin
result = Nokogiri::XML(xml_io)
return { result.root.name.to_sym => xml_node_to_hash(result.root)}
rescue Exception => e
# raise your custom exception here
end
end
def xml_node_to_hash(node)
# If we are at the root of the document, start the hash
if node.element?
result_hash = {}
if node.attributes != {}
attributes = {}
node.attributes.keys.each do |key|
attributes[node.attributes[key].name.to_sym] = node.attributes[key].value
end
end
if node.children.size > 0
node.children.each do |child|
result = xml_node_to_hash(child)
if child.name == "text"
unless child.next_sibling || child.previous_sibling
return result unless attributes
result_hash[child.name.to_sym] = result
end
elsif result_hash[child.name.to_sym]
if result_hash[child.name.to_sym].is_a?(Object::Array)
result_hash[child.name.to_sym] << result
else
result_hash[child.name.to_sym] = [result_hash[child.name.to_sym]] << result
end
else
result_hash[child.name.to_sym] = result
end
end
if attributes
#add code to remove non-data attributes e.g. xml schema, namespace here
#if there is a collision then node content supersets attributes
result_hash = attributes.merge(result_hash)
end
return result_hash
else
return attributes
end
else
return node.content.to_s
end
end
end
end
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