Class: HammerCLI::Options::OptionDefinition

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

Direct Known Subclasses

Apipie::OptionDefinition

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(switches, type, description, options = {}) ⇒ OptionDefinition

Returns a new instance of OptionDefinition.



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# File 'lib/hammer_cli/options/option_definition.rb', line 29

def initialize(switches, type, description, options = {})
  self.value_formatter = options[:format] || HammerCLI::Options::Normalizers::Default.new
  self.context_target = options[:context_target]
  self.deprecated_switches = options[:deprecated]
  super
end

Instance Attribute Details

#context_target ⇒ Object

Returns the value of attribute context_target.



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# File 'lib/hammer_cli/options/option_definition.rb', line 26

def context_target
  @context_target
end

#deprecated_switches ⇒ Object

Returns the value of attribute deprecated_switches.



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# File 'lib/hammer_cli/options/option_definition.rb', line 27

def deprecated_switches
  @deprecated_switches
end

#value_formatter ⇒ Object

Returns the value of attribute value_formatter.



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

def value_formatter
  @value_formatter
end

Instance Method Details

#complete(value) ⇒ Object 



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# File 'lib/hammer_cli/options/option_definition.rb', line 36

def complete(value)
  value_formatter.complete(value)
end

#default_conversion_block ⇒ Object 



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# File 'lib/hammer_cli/options/option_definition.rb', line 111

def default_conversion_block
  if flag?
    Clamp.method(:truthy?)
  else
    self.method(:format_value)
  end
end

#default_value ⇒ Object 



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# File 'lib/hammer_cli/options/option_definition.rb', line 133

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

#deprecation_message(switch) ⇒ Object 



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# File 'lib/hammer_cli/options/option_definition.rb', line 65

def deprecation_message(switch)
  if deprecated_switches.class <= String && switches.include?(switch)
    deprecated_switches
  elsif deprecated_switches.class <= Hash && deprecated_switches.keys.include?(switch)
    deprecated_switches[switch]
  end
end

#description ⇒ Object 



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# File 'lib/hammer_cli/options/option_definition.rb', line 73

def description
  if deprecated_switches.class <= String
    format_deprecation_msg(super, _('Deprecated: %{deprecated_msg}') % { deprecated_msg: deprecated_switches })
  elsif deprecated_switches.class <= Hash
    full_msg = deprecated_switches.map do |flag, msg|
      _('%{flag} is deprecated: %{deprecated_msg}') % { flag: flag, deprecated_msg: msg }
    end.join(', ')
    format_deprecation_msg(super, full_msg)
  else
    super
  end
end

#format_description ⇒ Object 



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# File 'lib/hammer_cli/options/option_definition.rb', line 86

def format_description
  value_formatter.description
end

#format_value(value) ⇒ Object 



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# File 'lib/hammer_cli/options/option_definition.rb', line 119

def format_value(value)
  if value == nil_subst
    HammerCLI::NilValue
  else
    value_formatter.format(value)
  end
end

#handles?(switch) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/hammer_cli/options/option_definition.rb', line 55

def handles?(switch)
  message = _("Warning: Option %{option} is deprecated. %{message}")
  if deprecated_switches.class <= String && switches.include?(switch)
    warn(message % { :option => switch, :message => deprecated_switches })
  elsif deprecated_switches.class <= Hash && deprecated_switches.keys.include?(switch)
    warn(message % { :option => switch, :message => deprecated_switches[switch] })
  end
  super(switch)
end

#help_lhs ⇒ Object 



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# File 'lib/hammer_cli/options/option_definition.rb', line 40

def help_lhs
  super
end

#help_rhs ⇒ Object 



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# File 'lib/hammer_cli/options/option_definition.rb', line 44

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

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

#nil_subst ⇒ Object 



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# File 'lib/hammer_cli/options/option_definition.rb', line 127

def nil_subst
  nil_subst = ENV['HAMMER_NIL'] || HammerCLI::Options::NIL_SUBST
  raise _('Environment variable HAMMER_NIL can not be empty.') if nil_subst.empty?
  nil_subst
end

#value_description ⇒ Object 



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# File 'lib/hammer_cli/options/option_definition.rb', line 90

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

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