Module: UnimatrixParser::ClassMethods

Defined in:
lib/unimatrix_parser.rb

Overview

Class Methods

Instance Method Summary collapse

Instance Method Details

#educate_if_empty ⇒ Object 



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# File 'lib/unimatrix_parser.rb', line 26

def educate_if_empty
  if ARGV.empty?
    parser = initialize_parser
    parser.educate
    exit
  end
end

#option(name, description = "", options = {}) ⇒ Object 



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# File 'lib/unimatrix_parser.rb', line 12

def option( name, description = "", options = {} ) 
  option = Option.new( name, description, options )
  @options = [] if @options.nil?
  @options << option
end

#options ⇒ Object 



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# File 'lib/unimatrix_parser.rb', line 43

def options
  parser = initialize_parser
  with_standard_exception_handling( parser ) do 
    parser.parse( ARGV )
  end
end

#stop_on_unknown ⇒ Object 



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# File 'lib/unimatrix_parser.rb', line 22

def stop_on_unknown
  @stop_on_unknown = true
end

#synopsis(synopsis = nil) ⇒ Object 



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# File 'lib/unimatrix_parser.rb', line 18

def synopsis( synopsis = nil )
  @synopsis = synopsis
end

#with_standard_exception_handling(parser) ⇒ Object 



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# File 'lib/unimatrix_parser.rb', line 34

def with_standard_exception_handling( parser )
  yield
rescue CommandlineError => error
  parser.die( error.message, nil, error.error_code )
rescue HelpNeeded
  parser.educate
  exit
end