Class: HammerCLI::Options::OptionDefinition

Inherits:
Clamp::Option::Definition
  • Object
show all
Defined in:
lib/hammer_cli/options/option_definition.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#value_formatter ⇒ Object

Returns the value of attribute value_formatter.



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# File 'lib/hammer_cli/options/option_definition.rb', line 8

def value_formatter
  @value_formatter
end

Instance Method Details

#default_conversion_block ⇒ Object 



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# File 'lib/hammer_cli/options/option_definition.rb', line 45

def default_conversion_block
  if !value_formatter.nil?
    value_formatter.method(:format)
  elsif flag?
    Clamp.method(:truthy?)
  end
end

#default_value ⇒ Object 



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# File 'lib/hammer_cli/options/option_definition.rb', line 53

def default_value
  if defined?(@default_value)
    if value_formatter
      value_formatter.format(@default_value)
    else
      @default_value
    end
  elsif multivalued?
    []
  end
end

#format_description ⇒ Object 



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# File 'lib/hammer_cli/options/option_definition.rb', line 25

def format_description
  if value_formatter.nil?
    ""
  else
    value_formatter.description
  end
end

#help_lhs ⇒ Object 



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# File 'lib/hammer_cli/options/option_definition.rb', line 10

def help_lhs
  super
end

#help_rhs ⇒ Object 



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# File 'lib/hammer_cli/options/option_definition.rb', line 14

def help_rhs
  lines = [
    description.strip,
    format_description.strip,
    value_description.strip
  ]

  rhs = lines.reject(&:empty?).join("\n")
  rhs.empty? ? " " : rhs
end

#value_description ⇒ Object 



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# File 'lib/hammer_cli/options/option_definition.rb', line 33

def value_description
  default_sources = [
    ("$#{@environment_variable}" if defined?(@environment_variable)),
    (@default_value.inspect if defined?(@default_value))
  ].compact

  str = ""
  str += "Can be specified multiple times. " if multivalued?
  str += "Default: " + default_sources.join(", or ") unless default_sources.empty?
  str
end