nokogiri.rb

require "nokogiri"

def nokogiri_edit( handle, opts )
  
  builder = Nokogiri::XML::Builder.new( :encoding => 'UTF-8' ) do | xml |
    party = false
    party_id = false
    party_id_system = false
    party_id_match = false
    party_role = false
    party_role_match = false
    Nokogiri::XML::Reader( handle ).each do | node |
      
      party = true if node.node_type == 1 && node.name == 'PARTY'
      party = false if node.node_type == 15 && node.name == 'PARTY'
      # match <bmecat:PARTY_ID>
      party_id = true if party && node.node_type == 1 && node.name == 'bmecat:PARTY_ID'
      party_id = false if party && node.node_type == 15 && node.name == 'bmecat:PARTY_ID'
      party_id_system = true if party_id && node.attribute( 'type' ) == 'systemspecific'
      party_id_system = false if !party_id
      party_id_val = node.value if party_id_system && node.node_type == 3
      party_id_val = nil if !party_id
      party_id_match = true if party_id_system && party_id_val == "Address #{ opts[ :address ][ :id ] }"
      party_id_match = false if !party
      # match <PARTY_ROLE>
      party_role = true if party_id_match && node.node_type == 1 && node.name == 'PARTY_ROLE'
      party_role = false if party_id_match && node.node_type == 15 && node.name == 'PARTY_ROLE'
      party_role_val = node.value if party_role && node.node_type == 3
      party_id_val = nil if !party_role
      party_role_match = true if party_role && party_role_val == 'delivery'
      party_role_match = false if !party
      
      # bmecat:PARTY_ID and PARTY_ROLE have been match, we can be sure that we are editing the correct delivery address. 
      # match <ADDRESS>      
      address = true if party_role_match && node.node_type == 1 && node.name == 'ADDRESS'
      address = false if party_role_match && node.node_type == 15 && node.name == 'ADDRESS'
      
      # edit ADDRESS
      #puts node.outer_xml and address = false if address
      doc = Nokogiri::XML( node.outer_xml ) if address
      puts doc.xpath( '//bmecat:NAME' ).at( 0 ).content = 'Sven Goran' if doc
      
    end
  end
  
  xmlstring = builder.to_xml  
end

def start( input, output, opts )
  ads = opts[ :addresses ]
  ads.each do | a |
    xmlstring = nokogiri_edit( File.open( input ), { 
      :address => a,
      :storno => false,
      :email => '[email protected]'
    })
    File.open( output, "w" ) do | edit |
      edit.puts xmlstring
    end
  
  output  
  end
end

start( '/Users/fpugl/Downloads/PX36103.xml', '/Users/fpugl/Downloads/PX36103.xml.edit', { 
    :addresses => [ { :id => 'PX44255', :name => 'Martin', :surname => 'Mystere', :company => 'Femory', :street => 'Fraunhoferstraße 6' } ],
    :storno => false,
    :email => '[email protected]'
})