Class: ColorParser::Page

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

Overview

a webpage

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(url) ⇒ Page

Returns a new instance of Page.



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# File 'lib/color_parser/page.rb', line 6

def initialize(url)
  @style_document = self.class.style_document.new(url)

  @url  = @style_document.location.href
  @text = @style_document.text
end

Instance Attribute Details

#text ⇒ Object (readonly)

Returns the value of attribute text.



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# File 'lib/color_parser/page.rb', line 4

def text
  @text
end

#url ⇒ Object (readonly)

Returns the value of attribute url.



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# File 'lib/color_parser/page.rb', line 4

def url
  @url
end

Class Method Details

.style_document ⇒ Object 



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# File 'lib/color_parser/page.rb', line 37

def self.style_document
  @style_document ||= ::Stylesheet::Document
end

.style_document=(style_document) ⇒ Object 



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# File 'lib/color_parser/page.rb', line 41

def self.style_document=(style_document)
  @style_document = style_document
end

Instance Method Details

#colors ⇒ Object 



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# File 'lib/color_parser/page.rb', line 19

def colors
  unless @colors
    @colors = {}
    stylesheets.each do |style| 
      style.colors.each do |color, freq|
        @colors[color] ? @colors[color] += freq : @colors[color] = freq
      end
    end
  end

  @colors
end

#colors_by_frequency ⇒ Object 



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# File 'lib/color_parser/page.rb', line 32

def colors_by_frequency
  colors.sort {|a,b| b[1]<=>a[1] }.map {|clr| clr.first }
end

#stylesheets ⇒ Object 



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# File 'lib/color_parser/page.rb', line 13

def stylesheets
  @stylesheets ||= @style_document.style_sheets.map do |style_sheet|
    Stylesheet.new(style_sheet)
  end
end