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added ignore and only css selectors to the stylesheet parsing #19

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added ignore and only css selectors to the stylesheet parsing #19

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13 changes: 10 additions & 3 deletions lib/inline-style.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -28,8 +28,10 @@ def self.process html, opts = {}

def initialize html, opts = {}
@stylesheets_path = opts[:stylesheets_path] || ENV['DOCUMENT_ROOT'] || '.'
@html = html
@dom = String === html ? Nokogiri.HTML(html) : html
@ignore = opts[:ignore] || false
@only = opts[:only] || false
@html = html
@dom = String === html ? Nokogiri.HTML(html) : html
end

def process
Expand Down Expand Up @@ -79,8 +81,12 @@ def pre_parsed?

# Returns parsed CSS
def extract_css
@dom.css('style, link[rel=stylesheet]').collect do |node|
css_search = @only ? @only : 'style, link[rel=stylesheet]'
@dom.css(css_search).collect do |node|

next if @ignore and node.parent.css(@ignore).include? node
next unless /^$|screen|all/ === node['media'].to_s

node.remove

if node.name == 'style'
Expand All @@ -89,6 +95,7 @@ def extract_css
uri = %r{^https?://} === node['href'] ? node['href'] : File.join(@stylesheets_path, node['href'].sub(/\?.+$/,''))
open(uri).read
end

end.join("\n")
end

Expand Down