Speeding up MouseHole (ATTACHMENT)

[why the lucky stiff]

why the lucky stiff wrote:

> Okay, I've had some good success speeding things up.  I've attached a 
> benchmark script I'm playing with.  You can take a look at that later.

And here is the script.  Happy.

_why
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require './lib/mouseHole'
require 'htree'
require 'xml/smart'
require 'benchmark'

puts Benchmark::CAPTION

Tidy.path = '/usr/lib/libtidy.so'

xml = ""
test_html = "bb.html"
n = 50
Benchmark.bm do |x|
    x.report "tidy+rexml:" do
        html = File.read( test_html )
        n.times do
            Tidy.open(:output_xhtml=>true) do |tidy|
                xml = REXML::Document.new(tidy.clean html)
            end
            xml = xml.to_s
        end
    end

    File.open( "tidy+rexml-#{ test_html }", 'w' ) do |f|
        f << xml
    end

    x.report "cached tidy+rexml:" do
        html = File.read( "tidy+rexml-#{ test_html }" )
        n.times do
            xml = REXML::Document.new html
            xml = xml.to_s
        end
    end

    x.report "htree+rexml:" do
        html = File.read test_html
        n.times do
            xml = nil
            HTree.parse( html ).each_child do |child|
                if child.respond_to? :qualified_name
                    if child.qualified_name == 'html'
                        xml = HTree::Doc.new( child ).to_rexml
                        break
                    end
                end
            end
            xml = xml.to_s
        end
    end

    File.open( "htree+rexml-#{ test_html }", 'w' ) do |f|
        f << xml
    end

    x.report "htree only:" do
        html = File.read test_html
        n.times do
            xml = HTree.parse( html )
        end
        xml = xml.to_s
    end

    File.open( "htree-#{ test_html }", 'w' ) do |f|
        f << xml
    end

    x.report "tidy+smart:" do
        html = File.read test_html
        n.times do
            Tidy.open(:output_xhtml=>true) do |tidy|
                xml = XML::Smart.string(tidy.clean html)
            end
        end
    end

    File.open( "tidy+smart-#{ test_html }", 'w' ) do |f|
        f << xml
    end
end