Module: Prawn::Markup::Processor::Text

Included in:
Prawn::Markup::Processor
Defined in:
lib/prawn/markup/processor/text.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.prepended(base) ⇒ Object 



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# File 'lib/prawn/markup/processor/text.rb', line 6

def self.prepended(base)
  base.known_elements.push(
    'a', 'b', 'strong', 'i', 'em', 'u', 'strikethrough', 'strike', 's', 'del',
    'sub', 'sup', 'color', 'font'
  )
end

Instance Method Details

#append_color_tag(color) ⇒ Object 



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# File 'lib/prawn/markup/processor/text.rb', line 122

def append_color_tag(color)
  if color.is_a?(Array)
    c, m, y, k = color
    append_text("<color c=\"#{c}\" m=\"#{m}\" y=\"#{y}\" k=\"#{k}\">")
  else
    append_text("<color rgb=\"#{color}\">")
  end
end

#default_link_options ⇒ Object 



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# File 'lib/prawn/markup/processor/text.rb', line 31

def default_link_options
  {
    color: nil,
    underline: false
  }
end

#end_a ⇒ Object Also known as: end_link 



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# File 'lib/prawn/markup/processor/text.rb', line 20

def end_a
  append_text('</link>')
  end_color if link_options[:color]
  end_u     if link_options[:underline]
end

#end_b ⇒ Object Also known as: end_strong 



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# File 'lib/prawn/markup/processor/text.rb', line 43

def end_b
  append_text('</b>')
end

#end_color ⇒ Object 



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# File 'lib/prawn/markup/processor/text.rb', line 106

def end_color
  append_text('</color>')
end

#end_font ⇒ Object 



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# File 'lib/prawn/markup/processor/text.rb', line 118

def end_font
  append_text('</font>')
end

#end_i ⇒ Object Also known as: end_em 



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# File 'lib/prawn/markup/processor/text.rb', line 53

def end_i
  append_text('</i>')
end

#end_strikethrough ⇒ Object Also known as: end_s, end_strike, end_del 



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# File 'lib/prawn/markup/processor/text.rb', line 73

def end_strikethrough
  append_text('</strikethrough>')
end

#end_sub ⇒ Object 



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# File 'lib/prawn/markup/processor/text.rb', line 84

def end_sub
  append_text('</sub>')
end

#end_sup ⇒ Object 



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# File 'lib/prawn/markup/processor/text.rb', line 92

def end_sup
  append_text('</sup>')
end

#end_u ⇒ Object 



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# File 'lib/prawn/markup/processor/text.rb', line 62

def end_u
  append_text('</u>')
end

#link_options ⇒ Object 



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# File 'lib/prawn/markup/processor/text.rb', line 27

def link_options
  @link_options ||= HashMerger.deep(default_link_options, options[:link] || {})
end

#start_a ⇒ Object Also known as: start_link 



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# File 'lib/prawn/markup/processor/text.rb', line 13

def start_a
  start_u                                if link_options[:underline]
  append_color_tag(link_options[:color]) if link_options[:color]
  append_text("<link href=\"#{current_attrs['href']}\">")
end

#start_b ⇒ Object Also known as: start_strong 



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# File 'lib/prawn/markup/processor/text.rb', line 38

def start_b
  append_text('<b>')
end

#start_color ⇒ Object 



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# File 'lib/prawn/markup/processor/text.rb', line 96

def start_color
  rgb, c, m, y, k = current_attrs.values_at('rgb', 'c', 'm', 'y', 'k')

  if [c, m, y, k].all?
    append_color_tag([c, m, y, k])
  else
    append_color_tag(rgb)
  end
end

#start_font ⇒ Object 



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# File 'lib/prawn/markup/processor/text.rb', line 110

def start_font
  font_attrs = current_attrs
               .slice('size', 'name', 'character_spacing')
               .reduce('') { |acc, (key, val)| "#{acc} #{key}=\"#{val}\"" }

  append_text("<font #{font_attrs}>")
end

#start_i ⇒ Object Also known as: start_em 



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# File 'lib/prawn/markup/processor/text.rb', line 48

def start_i
  append_text('<i>')
end

#start_strikethrough ⇒ Object Also known as: start_s, start_strike, start_del 



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# File 'lib/prawn/markup/processor/text.rb', line 66

def start_strikethrough
  append_text('<strikethrough>')
end

#start_sub ⇒ Object 



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# File 'lib/prawn/markup/processor/text.rb', line 80

def start_sub
  append_text('<sub>')
end

#start_sup ⇒ Object 



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# File 'lib/prawn/markup/processor/text.rb', line 88

def start_sup
  append_text('<sup>')
end

#start_u ⇒ Object 



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# File 'lib/prawn/markup/processor/text.rb', line 58

def start_u
  append_text('<u>')
end