Class: PseudoXml::SimpleQuery

Inherits:
Collector show all
Defined in:
lib/pseudo_xml/simple_query.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Collector

#add_text, #nodes

Constructor Details

#initialize(element_name, &b) ⇒ SimpleQuery

Returns a new instance of SimpleQuery.



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# File 'lib/pseudo_xml/simple_query.rb', line 16

def initialize(element_name, &b)
  @parsed_elements = []
  @find_element_name = element_name
  @block = b
end

Class Method Details

.find(xml, element_name, &b) ⇒ Object 



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# File 'lib/pseudo_xml/simple_query.rb', line 9

def self.find(xml, element_name, &b)
  parser = XmlString.new(xml)
  collector = self.new(element_name, &b)
  
  parser.parse(collector)
end

Instance Method Details

#end_element ⇒ Object 



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# File 'lib/pseudo_xml/simple_query.rb', line 30

def end_element
  if @parsed_elements.size > 1
    node = @parsed_elements.pop
    @parsed_elements.last.elements << node
  elsif @parsed_elements.size == 1
    @block.call(@parsed_elements.pop)
  end      
end

#start_element(element_text) ⇒ Object 



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# File 'lib/pseudo_xml/simple_query.rb', line 22

def start_element(element_text)
  element_name = element_text[/\w+/]
  
  if @parsed_elements.size > 1 || element_name == @find_element_name
    @parsed_elements.push Element.new(element_text[/\w+/])
  end
end