Class: FixedWidthColumns::PreProcessor

Inherits:
Aduki::Initializable
  • Object
show all
Defined in:
lib/fixed_width_columns/preprocessor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#filter ⇒ Object

Returns the value of attribute filter.



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# File 'lib/fixed_width_columns/preprocessor.rb', line 5

def filter
  @filter
end

#library ⇒ Object

Returns the value of attribute library.



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# File 'lib/fixed_width_columns/preprocessor.rb', line 5

def library
  @library
end

#transform ⇒ Object

Returns the value of attribute transform.



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# File 'lib/fixed_width_columns/preprocessor.rb', line 5

def transform
  @transform
end

Instance Method Details

#apply(items) ⇒ Object 



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# File 'lib/fixed_width_columns/preprocessor.rb', line 11

def apply items           ; maybe_transform do_filter items                             ; end

#do_filter(items) ⇒ Object 



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# File 'lib/fixed_width_columns/preprocessor.rb', line 8

def do_filter items       ; items.select &(FixedWidthColumns::FILTERS[filter_sym])      ; end

#do_transform(items) ⇒ Object 



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# File 'lib/fixed_width_columns/preprocessor.rb', line 10

def do_transform items    ; FixedWidthColumns::TRANSFORMS[@transform.to_sym].call items ; end

#filter_sym ⇒ Object 



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# File 'lib/fixed_width_columns/preprocessor.rb', line 7

def filter_sym            ; (@filter || "true").to_sym                                  ; end

#maybe_transform(items) ⇒ Object 



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# File 'lib/fixed_width_columns/preprocessor.rb', line 9

def maybe_transform items ; @transform ? do_transform(items) : items                    ; end

#to_s ⇒ Object 



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# File 'lib/fixed_width_columns/preprocessor.rb', line 12

def to_s                  ; "filter:#{@filter};transform:#{@transform}"                 ; end