Class: Chordpro::HTML

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

Instance Method Summary collapse

Constructor Details

#initialize(song) ⇒ HTML

Returns a new instance of HTML.



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

def initialize(song)
  @song = song
  @html = Builder::XmlMarkup.new
  @song.accept(self)
end

Instance Method Details

#comment(text) ⇒ Object Also known as: c 



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# File 'lib/chordpro/html.rb', line 70

def comment(text)
  @html.span(text, class: "comment")
end

#line(line, parts) ⇒ Object 



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# File 'lib/chordpro/html.rb', line 28

def line(line, parts)
  chords = []
  lyrics = []

  line.each do |element|
    if element.is_a?(Lyric)
      lyrics << element
    elsif element.is_a?(Chord)
      if chords[lyrics.size]
        chords << element
        lyrics << nil
      else
        chords[lyrics.size] = element
      end
    end
  end

  # ensure chords has same number of cells as lyrics
  chords[lyrics.size - 1] ||= nil if lyrics.size > 0

  @html.table do |table|
    if chords.any?
      table.tr(class: "chords") do |tr|
        chords.each do |chord|
          tr.td { |td| td.text! chord.to_s }
        end
      end
    end
    if lyrics.any?
      table.tr do |tr|
        lyrics.each do |lyric|
          tr.td { |td| td.text! lyric.to_s }
        end
      end
    end
  end
end

#linebreak(_) ⇒ Object 



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# File 'lib/chordpro/html.rb', line 66

def linebreak(_)
  @html.br
end

#subtitle(subtitle) ⇒ Object Also known as: st, su 



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# File 'lib/chordpro/html.rb', line 20

def subtitle(subtitle)
  unless subtitle.match(/^\s*$/)
    @html.h2(class: "subtitle") { |h2| h2.text! subtitle }
  end
end

#title(title) ⇒ Object Also known as: t 



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# File 'lib/chordpro/html.rb', line 15

def title(title)
  @html.h1(class: "title") { |h1| h1.text! title }
end

#to_s ⇒ Object 



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# File 'lib/chordpro/html.rb', line 11

def to_s
  @html.target!
end