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#! /usr/bin/env ruby
require 'nokogiri'
output_file=ARGV.shift
input_file=output_file+"~"
debug=ARGV.shift.to_i
File.rename(output_file,input_file)
doc=Nokogiri::HTML(open input_file)
# Rewrite the input file so that comparison with the output will only
# show changes introduced by the filter, since Nokogiri parsed output
# introduces numerous subtle differences even without filtering.
File.open(input_file,"w") {|o| o.puts doc.to_html} if debug > 0
File.open(output_file,"w") do |o|
# CSS3 selectors don't support regexes, so we take a shotgun approach,
# removing all tables with summaries (OK for current sisu output).
# Change to use a custom pseudo class if anything more refined is needed.
doc.css(%[table[summary]]).remove
toc=doc.css(%[h2,h4[class$="toc"]]).each do |node|
node.remove if node.inner_text.match(/Metadata|Manifest|SiSU/)
end
o.puts doc.to_html
end
File.delete(input_file) unless debug > 0
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