Module: Gollum::MarkupRegisterUtils

Defined in:
lib/gollum-lib/markups.rb

Instance Method Summary collapse

Instance Method Details

#all_gems_available?(names) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gollum-lib/markups.rb', line 14

def all_gems_available?(names)
  names.each do |name|
    return false unless gem_exists?(name)
  end
  true
end

#executable_exists?(name) ⇒ Boolean

Check if an executable exists. This implementation comes from stackoverflow question 2108727.

Returns:

  • (Boolean) 


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# File 'lib/gollum-lib/markups.rb', line 23

def executable_exists?(name)
  exts = ENV["PATHEXT"] ? ENV["PATHEXT"].split(";") : [""]
  paths = ENV["PATH"].split(::File::PATH_SEPARATOR)
  paths.each do |path|
    exts.each do |ext|
      exe = Pathname(path) + "#{name}#{ext}"
      return true if exe.executable?
    end
  end
  return false
end

#gem_exists?(name) ⇒ Boolean

Check if a gem exists. This implementation requires Gem::Specificaton to be filled.

Returns:

  • (Boolean) 


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# File 'lib/gollum-lib/markups.rb', line 10

def gem_exists?(name)
  Gem::Specification.find {|spec| spec.name == name} != nil
end

#using_pandoc? ⇒ Boolean

Whether the current markdown renderer is pandoc

Returns:

  • (Boolean) 


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# File 'lib/gollum-lib/markups.rb', line 36

def using_pandoc?
  GitHub::Markup::Markdown.implementation_name == 'pandoc-ruby'
end