Class: DecorationMail::HTML

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

Instance Method Summary collapse

Constructor Details

#initialize(str) ⇒ HTML

Returns a new instance of HTML.

Raises:

  • (ArgumentError) 


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# File 'lib/decoration_mail/html.rb', line 5

def initialize(str)
  @tree = Nokogiri.HTML(str)
  @unresolved_references = @tree.css('img').map{|img| img['src'] }
  raise ArgumentError, 'invalid HTML' if @tree.search("body").empty?

  convert_font_color_to_css
  convert_font_size_to_css
  convert_align_to_css
  convert_blink_to_css
  convert_marquee_to_css
end

Instance Method Details

#append_img(src) ⇒ Object 



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# File 'lib/decoration_mail/html.rb', line 21

def append_img(src)
  @tree.css('body').children.after(%(<br /><div style="text-align:center;"><img src="#{src}" /></div>)) if src
end

#match(regexp) ⇒ Object 



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# File 'lib/decoration_mail/html.rb', line 17

def match(regexp)
  @tree.css('body').to_html =~ regexp
end

#prepend_img(src) ⇒ Object 



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# File 'lib/decoration_mail/html.rb', line 25

def prepend_img(src)
  @tree.css('body').children.before(%(<div style="text-align:center;"><img src="#{src}" /></div><br />)) if src
end

#to_s ⇒ Object 



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# File 'lib/decoration_mail/html.rb', line 40

def to_s
  remove_invalid_references
  to_div.to_html
end

#update_img_src(from, to) ⇒ Object 



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# File 'lib/decoration_mail/html.rb', line 29

def update_img_src(from, to)
  @unresolved_references.delete(from)
  @tree.css("img[src=\"#{from}\"]").each do |e|
    if to
      e['src'] = to
    else
      e.remove
    end
  end
end