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  • Committer: Suren A. Chilingaryan
  • Date: 2009-10-09 04:07:13 UTC
  • Revision ID: csa@dside.dyndns.org-20091009040713-mel06whc852tf2xz
XPath expression optimizations, various fixes

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parse/scripts/libxml.ruby
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#!/usr/bin/ruby
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require 'xml'
 
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require 'ftools'
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#class Array; def sum; inject( 0 ) { |sum,x| sum+x }; end; end
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end
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def parse(xml, walk)
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    parser = XML::Parser.file(xml)
 
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#    Does not close a file, complines if many iterations are involved
 
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#    parser = XML::Parser.file(xml)
 
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#    doc = parser.parse
 
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    f = File.new(xml);
 
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    parser = XML::Parser.io(f)
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    doc = parser.parse
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#    print doc    
 
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    if (walk)
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#       This is slowest 330 ms
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#       sum = siblings(doc.root)
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#       nodes = doc.find("//*[(number(@*) or number(text())) and (count(../child::*)>3)]")
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#       nodes.each do |node|
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        doc.find("//*[(number(@*) or number(text())) and (count(../child::*)>3)]").each do |node|
 
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        doc.find("//*[count(child::*)>3]/*[number(@*) or number(text())]").each do |node|
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#           190 ms
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#           sum += calc(node)
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#       print "Sum: #{sum}\n"
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    end
 
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    f.close
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end
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walk_tree = ENV['walk_tree']