Class: Extreml

Inherits:
Object
  • Object
show all
Defined in:
lib/extreml.rb

Defined Under Namespace

Classes: TypeElement, XmlHeader

Instance Method Summary collapse

Constructor Details

#initialize(xml_file = nil, warnings: true, xml_header: nil) ⇒ Extreml

Returns a new instance of Extreml.



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# File 'lib/extreml.rb', line 26

def initialize xml_file = nil, warnings: true, xml_header: nil

  # Warnings flag
  @warnings = warnings
  @header = XmlHeader.new xml_header

  if xml_file.nil?
    @document = Array.new
  else
    if !File.file? xml_file
      raise "Error: file #{xml_file} not found."
    else

      # Read file
      xml = File.read xml_file

      @body = Hash.new

      # Get xml header informations
      header = xml[/^\<\?xml (.*)\?\>/]

      if header.nil?
        puts "Warning: #{xml_file}: xml header missing." if @warnings
        define_singleton_method :header do
          return nil
        end
      else
        h = header.scan /([\w\?\<]*)=["|']([^'"]*)["|']/

        @xml_header = XmlHeader.new header

        define_singleton_method :header do
          return @xml_header
        end
      end

    end

    # Read document
    doc = xml.match /(?:\<\?xml .*?(?: ?\?\>))?[\t\n\r\f ]*(.*)/m
    @document = unpack doc[1]

  end

end

Instance Method Details

#document ⇒ Object

Expose the entire document



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# File 'lib/extreml.rb', line 95

def document
  return TypeElement.new({name: 'document', content: @document}, main_element: self)
end

#to_hash ⇒ Object

Returns the document in an Hash form



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# File 'lib/extreml.rb', line 73

def to_hash
  return self.document.to_hash
end

#to_json ⇒ Object 



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# File 'lib/extreml.rb', line 77

def to_json
  return self.document.to_json
end

#to_xml ⇒ Object

Retrurns the document in XML format



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# File 'lib/extreml.rb', line 82

def to_xml
  if @xml_header.nil?
    xml = ''
  else
    xml = @xml_header.to_xml + "\n"
  end
  self.document.__types.each do |t|
    xml += self.document.send(t).to_xml
  end
  return xml
end

#tree(attributes: false) ⇒ Object

Print the entire document tree. For debug purposes



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# File 'lib/extreml.rb', line 130

def tree attributes: false
  self.document.__tree attributes: attributes
end

#update_content(key, content) ⇒ Object

update content from a subsequent element



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# File 'lib/extreml.rb', line 100

def update_content key, content
  # byebug
  # @document = content.to_hash
  # upd = false
  # @document.each do |e|
  #   byebug
  #   if e[:name] == key
  #     upd = true
  #     content.each do |k,v|
  #       e[k] = v
  #     end
  #     break
  #   end
  # end
  #
  # unless upd
  #   @document << content
  # end
  # if @document[key].nil?
  #   @document[key] = content
  # else
  #   unless @document[key].class = Array
  #     @document[key] = [@document[key]]
  #   end
  #   @document[key] << content.to_hash
  # end

end