Class: Commander::HelpFormatter::Context

Inherits:
Object
  • Object
show all
Defined in:
lib/commander/help_formatters.rb

Overview

Exposes target's binding to an ERB template, letting the template reference target's instance variables and private methods as if they were local variables/bare method calls. Subclasses can inject additional template-local variables by overriding #decorate_binding.

Direct Known Subclasses

ProgramContext

Instance Method Summary collapse

Constructor Details

#initialize(target) ⇒ Context

Returns a new instance of Context.



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# File 'lib/commander/help_formatters.rb', line 21

def initialize(target)
  @target = target
end

Instance Method Details

#decorate_binding(_bind) ⇒ Object

No-op, override in subclasses.



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# File 'lib/commander/help_formatters.rb', line 35

def decorate_binding(_bind)
end

#get_binding ⇒ Object

The (possibly decorated) binding of target, suitable for passing to ERB#result.



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# File 'lib/commander/help_formatters.rb', line 28

def get_binding
  @target.instance_eval { binding }.tap do |bind|
    decorate_binding(bind)
  end
end