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Viewing changes to vendor/rails/activesupport/lib/active_support/xml_mini/nokogiri.rb

  • Committer: Michael Forrest
  • Date: 2010-10-15 16:28:50 UTC
  • Revision ID: michael.forrest@canonical.com-20101015162850-tj2vchanv0kr0dun
refroze gems

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