Module: Hylite::ChooseHyliter

Extended by:
ChooseHyliter
Included in:
ChooseHyliter
Defined in:
lib/hylite/choose_hyliter.rb

Instance Method Summary collapse

Instance Method Details

#call(code, lang) ⇒ Object 



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# File 'lib/hylite/choose_hyliter.rb', line 8

def call(code, lang)
  case
  when rouge_available?    then Rouge.new(code, lang)
  when pygments_available? then Pygments.new(code, lang)
  when coderay_available?  then CodeRay.new(code, lang)
  end
end

#coderay_available? ⇒ Boolean 



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# File 'lib/hylite/choose_hyliter.rb', line 29

def coderay_available?
  require 'rouge'
  true
rescue LoadError
  false
end

#pygments_available? ⇒ Boolean 



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# File 'lib/hylite/choose_hyliter.rb', line 23

def pygments_available?
  ENV['PATH'].split(File::PATH_SEPARATOR).any? do |dir|
    File.exist? File.join(dir, 'pygmentize')
  end
end

#rouge_available? ⇒ Boolean 



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# File 'lib/hylite/choose_hyliter.rb', line 16

def rouge_available?
  require 'rouge'
  true
rescue LoadError
  false
end