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require 'benchmark'
require 'rubygems'
require 'nokogiri'
class Parser < Nokogiri::XML::SAX::Document
attr_reader :response
def initialize
reset
end
def reset
@item = {}
@response = { :items => [] }
end
def characters(string)
@value << string.strip
end
def start_element(name, attrs = [])
@value = ''
end
def end_element(name)
case name
when 'item'
@response[:items] << @item
@item = {}
when 'key'
@item[:key] = @value
end
end
end
data = <<-DATA
<items>
<item>
<key>value</key>
</item>
</items>
DATA
COUNT = 100
Benchmark.bmbm(25) do |bench|
bench.report('parse') do
parser = Parser.new
Nokogiri::XML::SAX::Parser.new(parser).parse(data)
parser.response
end
bench.report('push') do
parser = Parser.new
Nokogiri::XML::SAX::PushParser.new(parser).write(data, true)
parser.response
end
end
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