Class: Scrubyt::ResultNode

Inherits:
Array
  • Object
show all
Defined in:
lib/scrubyt/output/result_node.rb

Direct Known Subclasses

ScrubytResult

Constant Summary collapse

OUTPUT_OPTIONS = 
[:write_text]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, result = nil, options = {}) ⇒ ResultNode

Returns a new instance of ResultNode.



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# File 'lib/scrubyt/output/result_node.rb', line 7

def initialize(name, result=nil, options={})
  @name = name
  @result = result
  @options = options
end

Instance Attribute Details

#generated_by_leaf ⇒ Object

Returns the value of attribute generated_by_leaf.



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# File 'lib/scrubyt/output/result_node.rb', line 5

def generated_by_leaf
  @generated_by_leaf
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/scrubyt/output/result_node.rb', line 5

def name
  @name
end

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/scrubyt/output/result_node.rb', line 5

def options
  @options
end

#result ⇒ Object

Returns the value of attribute result.



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# File 'lib/scrubyt/output/result_node.rb', line 5

def result
  @result
end

Instance Method Details

#has_content? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/scrubyt/output/result_node.rb', line 17

def has_content?
  return true if result.is_a? String
  write_text || (inject(false) { |one_child_has_content, child| one_child_has_content || child.has_content? })
end

#to_flat_hash ⇒ Object 



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# File 'lib/scrubyt/output/result_node.rb', line 56

def to_flat_hash()
  hash_result = self.to_hash('@@@@@@')
  merged_hash = hash_result.delete_at 0
  hash_result.each do |hash|
    merged_hash.keys.each do |key|
      merged_hash[key] += "@@@@@@#{hash[key]}"
    end
  end
  result_sets = merged_hash.values.map!{|x| x.split('@@@@@@')}.transpose
  final_result = []

  result_sets.each do |rs|
    temp_result = {}
    merged_hash.keys.each do |k|
      temp_result[k] = rs[merged_hash.keys.index(k)]
    end
    final_result << temp_result
  end
  final_result
end

#to_flat_xml(delimiter = nil) ⇒ Object 



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# File 'lib/scrubyt/output/result_node.rb', line 77

def to_flat_xml(delimiter=nil)
  lines = []
  hash_result = delimiter ? self.to_hash(delimiter) : self.to_hash
  merged_hash = hash_result.delete_at 0

  hash_result.each do |hash|
    merged_hash.keys.each do |key|
      merged_hash[key] += "#{delimiter}#{hash[key]}"
    end
  end

  if delimiter
    result_sets = merged_hash.values.map!{|x| x.split(delimiter)}.transpose
    final_result = []

    result_sets.each do |rs|
      temp_result = {}
      merged_hash.keys.each do |k|
        temp_result[k] = rs[merged_hash.keys.index(k)]
      end
      final_result << temp_result
    end
    hash_result = final_result
  end

  hash_result.each do |hash|
    lines << "<item>"
    hash.each do |key, value|
      xml_tag = key.to_s
      value = '' if value == '#empty#'
      lines << "  <#{xml_tag}>#{REXML::Text.normalize(value)}</#{xml_tag}>"
    end
    lines << "</item>"
  end
  return lines.join("\n")

end

#to_hash(delimiter = ',') ⇒ Object 



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# File 'lib/scrubyt/output/result_node.rb', line 45

def to_hash(delimiter=',')
  result = []
  flat_hash_inner = lambda {|e, hash|
    hash[e.name.to_sym] = hash[e.name.to_sym] ? hash[e.name.to_sym] + delimiter + e.to_s : e.to_s  if ((e.write_text && !e.to_s.empty?) || e.options[:default])
    e.each {|c| flat_hash_inner.call(c, hash)  }
    hash
  }
  self.each {|e| result << flat_hash_inner.call(e, {}) }
  result
end

#to_libxml ⇒ Object 



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# File 'lib/scrubyt/output/result_node.rb', line 33

def to_libxml
  libxml_node = XML::Node.new(name)
  self.each { |child| libxml_node << child.to_libxml if child.has_content? }
  libxml_node << to_s if write_text
  libxml_node
end

#to_s ⇒ Object 



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# File 'lib/scrubyt/output/result_node.rb', line 22

def to_s
  text = (@result.is_a? String) ? @result : @result.inner_html.gsub(/<.*?>/, '')
  text = SharedUtils.unescape_entities(text)
  text.strip!
  if (@options[:default] && ((text == '') || (text == @options[:default])))
    @options[:default]
  else
    text
  end
end

#to_xml ⇒ Object

note: see ruby_extensions.rb for String#write



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# File 'lib/scrubyt/output/result_node.rb', line 41

def to_xml
  to_xml_lines.join("\n")
end

#to_xml_lines ⇒ Object 



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# File 'lib/scrubyt/output/result_node.rb', line 115

def to_xml_lines
  lines = []
  children = self.select{ |child| child.has_content? }
  if children.empty?
    if result.is_a? String
      lines << "<#{name}>#{result}</#{name}>"
    elsif write_text && !to_s.empty?
      lines << "<#{name}>#{ERB::Util.html_escape(to_s)}</#{name}>"
    else
      if @options[:default]
        lines << "<#{name}>#{@options[:default]}</#{name}>"
      else
        lines << "<#{name}/>"
      end
    end
  else
    lines << "<#{name}>"
    lines << "  #{ERB::Util.html_escape(to_s)}" if write_text && !to_s.empty?
    children.each do |child|
      lines.push(*child.to_xml_lines.map{ |line| "  #{line}" })
    end
    lines << "</#{name}>"
  end
end

#write_text ⇒ Object 



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# File 'lib/scrubyt/output/result_node.rb', line 13

def write_text
  @options[:write_text].nil? ? @generated_by_leaf : @options[:write_text]
end