Class: Blacksmith::Executable

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/blacksmith/executable.rb

Direct Known Subclasses

FontForge, TTFAutoHint

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.method_missing(name, *args, &block) ⇒ Object 



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# File 'lib/blacksmith/executable.rb', line 6

def method_missing(name, *args, &block)
  instance.send(name, *args, &block)
end

Instance Method Details

#check_dependency! ⇒ Object

Raises:



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# File 'lib/blacksmith/executable.rb', line 29

def check_dependency!
  raise Blacksmith::DependencyMissing, "#{executable} not installed" unless installed?
end

#executable ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/blacksmith/executable.rb', line 12

def executable
  raise NotImplementedError, "#{self.class} is expected to implement #executable"
end

#installed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/blacksmith/executable.rb', line 16

def installed?
  @installed unless @installed.nil?
  
  paths      = ENV['PATH'].split(File::PATH_SEPARATOR)
  extensions = ENV['PATHEXT'] ? ENV['PATHEXT'].split(File::PATH_SEPARATOR) : ['']
  
  @installed = !!paths.find do |path|
    extensions.find do |ext|
      File.executable?(File.join(path, "#{executable}#{ext}"))
    end
  end
end