Class: CLASP

Inherits:
Object
  • Object
show all
Defined in:
lib/libclimate/climate.rb

Overview

We monkey-patch CLASP module’s Flag and Option generator methods by added in a ‘action’ attribute (but only if it does not exist) and attaching the given block

Class Method Summary collapse

Class Method Details

.Flag(name, options = {}, &blk) ⇒ Object 



72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
 
# File 'lib/libclimate/climate.rb', line 72

def Flag(name, options={}, &blk)

  f = self.Flag_old(name, options)

  # anticipate this functionality being added to CLASP
  return f if f.respond_to? :action

  class << f

    attr_accessor :action
  end

  if blk

    case blk.arity
    when 0, 1, 2
    else

      warn "wrong arity for flag"
    end

    f.action = blk
  end

  f
end

.Flag_old ⇒ Object 



69
 
# File 'lib/libclimate/climate.rb', line 69

alias_method :Flag_old, :Flag

.Option(name, options = {}, &blk) ⇒ Object 



99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
 
# File 'lib/libclimate/climate.rb', line 99

def Option(name, options={}, &blk)

  o = self.Option_old(name, options)

  # anticipate this functionality being added to CLASP
  return o if o.respond_to? :action

  class << o

    attr_accessor :action
  end

  if blk

    case blk.arity
    when 0, 1, 2
    else

      warn "wrong arity for option"
    end

    o.action = blk
  end

  o
end

.Option_old ⇒ Object 



70
 
# File 'lib/libclimate/climate.rb', line 70

alias_method :Option_old, :Option