Class: OXM::SaxHandler

Inherits:
Nokogiri::XML::SAX::Document
  • Object
show all
Defined in:
lib/oxm/sax_handler.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(loop_node, &block) ⇒ SaxHandler

Returns a new instance of SaxHandler.



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# File 'lib/oxm/sax_handler.rb', line 7

def initialize loop_node, &block
  @loop_node = loop_node
  @block = block
  @tags = []
  @objects = []
  @outputs = []

  @warnings = []
  @errors = []
end

Instance Attribute Details

#errors ⇒ Object (readonly)

Returns the value of attribute errors.



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# File 'lib/oxm/sax_handler.rb', line 5

def errors
  @errors
end

#outputs ⇒ Object (readonly)

Returns the value of attribute outputs.



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# File 'lib/oxm/sax_handler.rb', line 3

def outputs
  @outputs
end

#warnings ⇒ Object (readonly)

Returns the value of attribute warnings.



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# File 'lib/oxm/sax_handler.rb', line 4

def warnings
  @warnings
end

Instance Method Details

#cdata_block(str) ⇒ Object 



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# File 'lib/oxm/sax_handler.rb', line 40

def cdata_block str
  @object.cdata = @object.to_s + str if @object
end

#characters(str) ⇒ Object 



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# File 'lib/oxm/sax_handler.rb', line 44

def characters str
  @object.content = @object.to_s + str if @object
end

#end_element(tag) ⇒ Object 



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# File 'lib/oxm/sax_handler.rb', line 48

def end_element tag
  unless @objects.empty?
    obj = @objects.pop

    # Strip content
    if obj.cdata?
      obj.cdata = obj.to_s.strip
    else
      obj.content = obj.to_s.strip
    end
    obj.content = nil if obj.to_s.empty?

    if match?
      if @block
        @block.call obj
      else
        @outputs << obj
      end
      @object = nil
    else
      @object = @objects.last
    end
  end
  @tags.pop
end

#error(str) ⇒ Object 



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# File 'lib/oxm/sax_handler.rb', line 22

def error str
  @errors << str
end

#match? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/oxm/sax_handler.rb', line 74

def match?
  @tags.join('/') == @loop_node
end

#start_element(tag, attributes) ⇒ Object 



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# File 'lib/oxm/sax_handler.rb', line 26

def start_element tag, attributes
  @tags << tag

  # Met loop element
  if @objects.empty?
    if match?
      @objects << @object = OXM::Object.new(tag, Hash[*attributes.flatten])
    end
  elsif @object
    @object.add_node tag, node_obj = OXM::Object.new(tag, Hash[*attributes.flatten])
    @objects << @object = node_obj
  end
end

#warning(str) ⇒ Object 



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# File 'lib/oxm/sax_handler.rb', line 18

def warning str
  @warnings << str
end