Class: Snatch::Clean::HTML

Inherits:
Object
  • Object
show all
Defined in:
lib/snatch/clean/html.rb

Defined Under Namespace

Modules: HrefFixMethods, SrcFixMethods

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(doc, working_directory) ⇒ HTML

Returns a new instance of HTML.



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# File 'lib/snatch/clean/html.rb', line 48

def initialize(doc, working_directory)
  @doc = doc
  @working_directory = working_directory
end

Instance Attribute Details

#doc ⇒ Object

Returns the value of attribute doc.



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# File 'lib/snatch/clean/html.rb', line 46

def doc
  @doc
end

#working_directory ⇒ Object

Returns the value of attribute working_directory.



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# File 'lib/snatch/clean/html.rb', line 46

def working_directory
  @working_directory
end

Class Method Details

.html_encode(string) ⇒ Object 



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# File 'lib/snatch/clean/html.rb', line 57

def self.html_encode(string)
  string.gsub(/./){ |char| "&#x#{char.unpack('U')[0].to_s(16)};" }
end

.update(doc, working_directory) ⇒ Object 



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# File 'lib/snatch/clean/html.rb', line 53

def self.update(doc, working_directory)
  new(doc, working_directory).update
end

.url_encode(string) ⇒ Object 



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# File 'lib/snatch/clean/html.rb', line 61

def self.url_encode(string)
  string.gsub(/./) { |char| '%' + char.unpack('H2' * char.size).join('%').upcase }
end

Instance Method Details

#update ⇒ Object 



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# File 'lib/snatch/clean/html.rb', line 65

def update
  @doc.css('base, meta[name=generator]').each { |node| node.remove }

  @doc.search('//comment()').remove

  klass = Class.new { include HrefFixMethods }.new
  HrefFixMethods.instance_methods.each do |m|
    @doc.css('a[href]').each { |a| klass.send m, a }
  end

  klass = Class.new { include SrcFixMethods }.new
  SrcFixMethods.instance_methods.each do |m|
    @doc.css('[src]').each { |a| klass.send m, a }
  end
end