Class: Clearwater::Component::Tag

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

Instance Method Summary collapse

Constructor Details

#initialize(tag_name, attributes = nil, content = nil) ⇒ Tag

Returns a new instance of Tag.



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# File 'lib/clearwater/component.rb', line 43

def initialize tag_name, attributes=nil, content=nil
  @tag_name = tag_name
  @attributes = sanitize_attributes(attributes)
  @content = content
end

Instance Method Details

#sanitize_attributes(attributes) ⇒ Object 



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# File 'lib/clearwater/component.rb', line 68

def sanitize_attributes attributes
  return attributes unless attributes.is_a? Hash

  if attributes.key? :class_name or attributes.key? :className
    attributes[:class] ||= attributes.delete(:class_name) || attributes.delete(:className)
  end

  if Hash === attributes[:style]
    attributes[:style] = attributes[:style].map { |attr, value|
      attr = attr.to_s.tr('_', '-')
      "#{attr}:#{value}"
    }.join(';')
  end

  attributes.reject! do |key, handler|
    key[0, 2] == 'on' || DOMReference === handler
  end

  attributes
end

#sanitize_content(content) ⇒ Object 



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# File 'lib/clearwater/component.rb', line 89

def sanitize_content content
  case content
  when Array
    content.map { |c| sanitize_content c }.join
  when String
    content.gsub('<', '&lt;')
  else
    content.to_s
  end
end

#to_html ⇒ Object Also known as: to_s 



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# File 'lib/clearwater/component.rb', line 49

def to_html
  html = "<#{@tag_name}"
  if @attributes
    @attributes.each do |attr, value|
      html << " #{attr}=#{value.to_s.inspect}"
    end
  end
  if @content
    html << '>'
    html << sanitize_content(@content)
    html << "</#{@tag_name}>"
  else
    html << '/>'
  end

  html
end