Class: Asciidoctor::PlantUml::Processor

Inherits:
Object
  • Object
show all
Defined in:
lib/asciidoctor-plantuml/plantuml.rb

Constant Summary collapse

FORMATS = 
["png", "svg", "txt"]
DEFAULT_FORMAT = 





Class Method Summary
collapse






Class Method Details





.enabled? ⇒ Boolean













Returns:


    

  • 
(Boolean)

    • 










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# File 'lib/asciidoctor-plantuml/plantuml.rb', line 61

def enabled?
  txt_enabled? || png_enabled? || svg_enabled?
end












.gen_url(text, format) ⇒ Object







Compression code used to generate PlantUML URLs. Taken directly from the Transcoder class in the PlantUML java code.















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# File 'lib/asciidoctor-plantuml/plantuml.rb', line 95

def gen_url(text, format)
  result = ""
  compressedData = Zlib::Deflate.deflate(text)
  compressedData.chars.each_slice(3) do |bytes|
    #print bytes[0], ' ' , bytes[1] , ' ' , bytes[2]
    b1 = bytes[0].nil? ? 0 : (bytes[0].ord & 0xFF)
    b2 = bytes[1].nil? ? 0 : (bytes[1].ord & 0xFF)
    b3 = bytes[2].nil? ? 0 : (bytes[2].ord & 0xFF)
    result += append3bytes(b1, b2, b3)
  end
  join_paths(server_url, "/#{format}/", result).to_s
end












.plantuml_content(code, attrs = {}) ⇒ Object










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# File 'lib/asciidoctor-plantuml/plantuml.rb', line 65

def plantuml_content(code, attrs = {})

  format = attrs["format"] || DEFAULT_FORMAT

  if !enabled?
    return plantuml_disabled_content(code, attrs)
  end

  if !valid_uri?(server_url)
    return plantuml_server_unavailable_content(server_url, attrs)
  end

  case format
  when "png"
    plantuml_img_content(code, format, attrs)
  when "txt"
    if txt_enabled?
      plantuml_txt_content(code, format, attrs)
    else
      plantuml_invalid_content(format, attrs)
    end
  when "svg"
    plantuml_img_content(code, format, attrs)
  else
    plantuml_invalid_content(format, attrs)
  end
end












.png_enabled? ⇒ Boolean













Returns:


    

  • 
(Boolean)

    • 










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# File 'lib/asciidoctor-plantuml/plantuml.rb', line 53

def png_enabled?
  PlantUml::configuration.png_enable
end












.server_url ⇒ Object










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# File 'lib/asciidoctor-plantuml/plantuml.rb', line 45

def server_url
  PlantUml::configuration.url
end












.svg_enabled? ⇒ Boolean













Returns:


    

  • 
(Boolean)

    • 










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# File 'lib/asciidoctor-plantuml/plantuml.rb', line 57

def svg_enabled?
  PlantUml::configuration.svg_enable
end












.txt_enabled? ⇒ Boolean













Returns:


    

  • 
(Boolean)

    • 










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# File 'lib/asciidoctor-plantuml/plantuml.rb', line 49

def txt_enabled?
  PlantUml::configuration.txt_enable
end












.valid_format?(format) ⇒ Boolean













Returns:


    

  • 
(Boolean)

    • 










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# File 'lib/asciidoctor-plantuml/plantuml.rb', line 41

def valid_format?(format)
  FORMATS.include?(format)
end