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REXML::Formatters::Transitive

The Transitive formatter writes an XML document that parses to an identical document as the source document. This means that no extra whitespace nodes are inserted, and whitespace within text nodes is preserved. Within these constraints, the document is pretty-printed, with whitespace inserted into the metadata to introduce formatting.

Note that this is only useful if the original XML is not already formatted. Since this formatter does not alter whitespace nodes, the results of formatting already formatted XML will be odd.

Public Class Methods

new( indentation=2, ie_hack=false ) click to toggle source
 
               # File rexml/formatters/transitive.rb, line 15
def initialize( indentation=2, ie_hack=false )
  @indentation = indentation
  @level = 0
  @ie_hack = ie_hack
end
            

Protected Instance Methods

write_element( node, output ) click to toggle source
 
               # File rexml/formatters/transitive.rb, line 22
def write_element( node, output )
  output << "<#{node.expanded_name}"

  node.attributes.each_attribute do |attr|
    output << " "
    attr.write( output )
  end unless node.attributes.empty?

  output << "\n"
  output << ' '*@level
  if node.children.empty?
    output << " " if @ie_hack
    output << "/"
  else
    output << ">"
    # If compact and all children are text, and if the formatted output
    # is less than the specified width, then try to print everything on
    # one line
    skip = false
    @level += @indentation
    node.children.each { |child|
      write( child, output )
    }
    @level -= @indentation
    output << "</#{node.expanded_name}"
    output << "\n"
    output << ' '*@level
  end
  output << ">"
end
            
write_text( node, output ) click to toggle source
 
               # File rexml/formatters/transitive.rb, line 53
def write_text( node, output )
  output << node.to_s()
end