Class: AppliedCSS

Inherits:
Object
  • Object
show all
Defined in:
lib/applied_css.rb

Constant Summary collapse

@@MAX_ATTEMPTS = 
3

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ AppliedCSS

Returns a new instance of AppliedCSS.



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# File 'lib/applied_css.rb', line 11

def initialize(options = {})
  @options = {:ancestors => false}.merge(options)
  @options[:cache] = 120 unless @options.has_key? :cache
  @options[:cache_type] = :full unless @options.has_key? :cache_type

  @options[:debug] = false unless @options.has_key? :debug
  
  @base_uri = Addressable::URI.parse(@options[:url])
  raise "url must be specified" unless @base_uri

  @doc = @options[:document]

  unless @doc
    html = get(@base_uri.to_s)
    @doc = Nokogiri::HTML.parse(html) unless html.nil?
  end

  puts "Genrating Parser." if @options[:debug]
  @parser = CssParser::Parser.new
  styles.each do |uri, style|
    puts "adding #{style}" if @options[:debug]
    @parser.add_block! style
  end
  @doc.css("style").each do |style_node|
    puts "adding #{style_node.text()}" if @options[:debug]
    @parser.add_block! style_node.text()
  end
end

Instance Method Details

#css(path) ⇒ Object 



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# File 'lib/applied_css.rb', line 40

def css(path)
  css_declarations = {}
  ancestors_and_self(path).each do |node|
    css_declarations.merge!(node_declarations(node))
  end
  css_declarations
end

#doc ⇒ Object 



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# File 'lib/applied_css.rb', line 48

def doc
  @doc
end

#parser ⇒ Object 



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# File 'lib/applied_css.rb', line 69

def parser
  @parser
end

#styles ⇒ Object 



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# File 'lib/applied_css.rb', line 56

def styles
  populate_style_hash if @style_hash.nil?
  @style_hash
end

#to_hash ⇒ Object 



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# File 'lib/applied_css.rb', line 61

def to_hash
  hash = {}
  @parser.each_selector do |selector, declarations, specificity|
    hash[selector] = declarations
  end
  hash
end

#to_s ⇒ Object 



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# File 'lib/applied_css.rb', line 52

def to_s
  @parser.to_s
end