Class: Serialbench::Serializers::Xml::NokogiriSerializer::StreamingHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/serialbench/serializers/xml/nokogiri_serializer.rb

Overview

SAX handler for streaming

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(&block) ⇒ StreamingHandler

Returns a new instance of StreamingHandler.



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# File 'lib/serialbench/serializers/xml/nokogiri_serializer.rb', line 106

def initialize(&block)
  require 'nokogiri'
  @block = block
  @elements_processed = 0
  @current_element = nil
  @element_stack = []
end

Instance Attribute Details

#elements_processed ⇒ Object (readonly)

Returns the value of attribute elements_processed.



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# File 'lib/serialbench/serializers/xml/nokogiri_serializer.rb', line 104

def elements_processed
  @elements_processed
end

Instance Method Details

#cdata_block(string) ⇒ Object 



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# File 'lib/serialbench/serializers/xml/nokogiri_serializer.rb', line 136

def cdata_block(string)
  @element_stack.last[:text] += string if @element_stack.any?
end

#characters(string) ⇒ Object 



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# File 'lib/serialbench/serializers/xml/nokogiri_serializer.rb', line 130

def characters(string)
  return if string.strip.empty?

  @element_stack.last[:text] += string if @element_stack.any?
end

#end_element(_name) ⇒ Object 



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# File 'lib/serialbench/serializers/xml/nokogiri_serializer.rb', line 121

def end_element(_name)
  element = @element_stack.pop
  if @element_stack.empty?
    @block&.call(element)
  else
    @element_stack.last[:children] << element
  end
end

#start_element(name, attributes = []) ⇒ Object 



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# File 'lib/serialbench/serializers/xml/nokogiri_serializer.rb', line 114

def start_element(name, attributes = [])
  @elements_processed += 1
  attrs = Hash[attributes]
  @current_element = { name: name, attributes: attrs, children: [], text: '' }
  @element_stack.push(@current_element)
end