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#!/usr/bin/ruby -I. -w
require "nqxml/treeparser"
require "nqxml/writer"
require "benchmark"
include Benchmark
n=400
bm(20) do |test|
File.open("project.xml") do |source|
test.report("Parsing file"){ n.times {
NQXML::TreeParser.new(source).document
source.rewind
}}
end
test.report("Document.new") { n.times {
NQXML::Document.new
}}
test.report("new element") { n.times {
NQXML::Tag.new("x", {})
}}
document = NQXML::Document.new
element = document.setRoot(NQXML::Tag.new("x", {}))
test.report("add element") { n.times {
element.addChild( NQXML::Tag.new("x", {}))
}}
el1 = NQXML::Tag.new("x", {})
puts "add child is same as add element for NQXML"
test.report("Tree manipulation") { n.times {
doc = NQXML::Document.new()
doc.setRoot(NQXML::Tag.new("tag1", {"blah"=>"four"}))
tag2 = NQXML::Tag.new( "tag2", {"some"=>"value"})
node = doc.rootNode.addChild( tag2 )
tag3 = NQXML::Tag.new( "tag3", {})
node.addChild( tag3 )
}}
File.open("project.xml") do |source|
document = NQXML::TreeParser.new(source).document
end
test.report("Writing tree") { n.times {
string = ""
writer = NQXML::Writer.new string, true
writer.writeDocument( document )
}}
test.report("Detecting children") { n.times {
element = document.rootNode.children.detect{ |node|
entity = node.entity
entity.instance_of?(NQXML::Tag) and entity.name == "Datasets"
}
element = element.children.detect{ |node|
entity = node.entity
entity.instance_of?(NQXML::Tag) and
entity.name == "link" and
entity.attrs['idref'] == '18'
}
}}
puts "NQXML does not support XPath searches"
end
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