Module: Lab42::NHash::Interpolation

Included in:
Lab42::NHash
Defined in:
lib/lab42/nhash/interpolation.rb

Instance Method Summary collapse

Instance Method Details

#current_binding ⇒ Object 



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# File 'lib/lab42/nhash/interpolation.rb', line 31

def current_binding
  @binding_stack.last || ( root? ? binding : parent.current_binding )
end

#get!(*args, &blk) ⇒ Object Also known as: fetch! 



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# File 'lib/lab42/nhash/interpolation.rb', line 6

def get! *args, &blk
  result = get( *args, &blk )
  _expand_result result
end

#get_with_binding(key, a_binding, *rst, &blk) ⇒ Object 



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# File 'lib/lab42/nhash/interpolation.rb', line 12

def get_with_binding key, a_binding, *rst, &blk
  with_binding a_binding do
    get!( key, *rst, &blk )
  end
end

#get_with_current(&blk) ⇒ Object 



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# File 'lib/lab42/nhash/interpolation.rb', line 18

def get_with_current &blk
  with_binding blk.binding do
    get! blk.()
  end
end

#root? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lab42/nhash/interpolation.rb', line 35

def root?
  parent == self || parent.nil?
end

#with_binding(a_binding, &blk) ⇒ Object 



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# File 'lib/lab42/nhash/interpolation.rb', line 24

def with_binding a_binding, &blk
  push_binding a_binding
  _invoke blk, self
ensure
  pop_binding
end