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timcharper/hpricot_and_nokogiri.rb

Created February 3, 2009 21:51
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hpricot_and_nokogiri.rb
html = <<-EOF
<html>
<body>
<table>
<tr>
<td>
One
<table><tr><td>Nested Cell</td></tr></table>
</td>
</tr>
<tr>
<td>
Two
<table><tr><td>Nested Cell</td></tr></table>
</td>
</tr>
</table>
</body>
</html>
EOF
require "nokogiri"
require "hpricot"
# ---------
# -HPRICOT-
# ---------
root_table = (Hpricot(html) / "body > table")
# this works as expected
puts (root_table / "tr").length # => 4
# this also works as expected
puts (root_table / "> tr").length # => 2
# ----------
# -NOKOGIRI-
# ----------
noko_root_table = (Nokogiri::HTML.parse(html) / "body > table")
# this also works as expected
puts (noko_root_table / "tr").length # => 4
puts (noko_root_table / "table > tr").length # => 2 (but it's returning the nested table rows, and I want only the rows from the root table)
puts (noko_root_table / ".//table/tr").length # => 2 (same - this is returning the nested rows, not the rows from the root table)
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