Class: Filigree::Configuration::Option

Inherits:
Struct
  • Object
show all
Defined in:
lib/filigree/configuration.rb

Overview

This class represents an option that can appear in the configuration.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#default ⇒ Object

Returns the value of attribute default

Returns:

  • (Object) —

    the current value of default



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# File 'lib/filigree/configuration.rb', line 339

def default
  @default
end

#handler ⇒ Object

Returns the value of attribute handler

Returns:

  • (Object) —

    the current value of handler



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# File 'lib/filigree/configuration.rb', line 339

def handler
  @handler
end

#help ⇒ Object

Returns the value of attribute help

Returns:

  • (Object) —

    the current value of help



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# File 'lib/filigree/configuration.rb', line 339

def help
  @help
end

#long ⇒ Object

Returns the value of attribute long

Returns:

  • (Object) —

    the current value of long



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# File 'lib/filigree/configuration.rb', line 339

def long
  @long
end

#short ⇒ Object

Returns the value of attribute short

Returns:

  • (Object) —

    the current value of short



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# File 'lib/filigree/configuration.rb', line 339

def short
  @short
end

Class Method Details

.to_s(options, indent = 0) ⇒ String

Helper method used to print out information on a set of options.

Parameters:

  • options (Array<Option>) —

    Options to be printed

  • indent (Fixnum) (defaults to: 0) —

    Indentation to be placed before each line

Returns:



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# File 'lib/filigree/configuration.rb', line 379

def self.to_s(options, indent = 0)
	lines = []
	
	max_long  = options.lazy.map { |opt| opt.long.length }.max
	max_short = options.lazy.map(&:short).reject { |opt| opt.nil? }.map(&:length).max
		
	options.each do |opt|
		lines << opt.to_s(max_long, max_short, indent)
	end

	lines.join("\n")
end

Instance Method Details

#arity ⇒ Fixnum

Returns the number of arguments that this option takes.

Returns:

  • (Fixnum) —

    Number of arguments the option takes



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# File 'lib/filigree/configuration.rb', line 343

def arity
	case self.handler
	when Array	then self.handler.length
	when Proc		then self.handler.arity 
	end
end

#to_s(max_long, max_short, indent = 0) ⇒ String

Print the option information out as a string.

Layout: | ||–‘long`,|| ||-`short`|| - | |_||_||_||__||_|

indent    max_l+3  1   max_s+1   3

Parameters:

  • max_long (Fixnum) —

    Maximim length of all long argumetns being printed in a block

  • max_short (Fixnum) —

    Maximum length of all short arguments being printed in a block

  • indent (Fixnum) (defaults to: 0) —

    Indentation to be placed before each line

Returns:



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# File 'lib/filigree/configuration.rb', line 362

def to_s(max_long, max_short, indent = 0)
	segment_indent	= indent + max_long + max_short + 8
	segmented_help = self.help.segment(segment_indent)

	if self.short
		sprintf "#{' ' * indent}%-#{max_long + 3}s %-#{max_short + 1}s - %s", "--#{self.long},", '-' + self.short, segmented_help
	else
		sprintf "#{' ' * indent}%-#{max_long + max_short + 5}s - %s", '--' + self.long, segmented_help
	end
end