Class: DParse::Parsers::Map

Inherits:
DParse::Parser show all
Defined in:
lib/d-parse/parsers/modifiers/map.rb

Instance Method Summary collapse

Methods inherited from DParse::Parser

#apply, #bind, #capture, #compact, #expectation_message, #first, #flatten, #ignore, #map, #match?, #second, #select_even, #select_odd, #to_s

Constructor Details

#initialize(parser, &block) ⇒ Map

Returns a new instance of Map.



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# File 'lib/d-parse/parsers/modifiers/map.rb', line 4

def initialize(parser, &block)
  @parser = parser
  @block = block
end

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/d-parse/parsers/modifiers/map.rb', line 19

def inspect
  "map(#{@parser}, <proc>)"
end

#read(input, pos) ⇒ Object 



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# File 'lib/d-parse/parsers/modifiers/map.rb', line 9

def read(input, pos)
  res = @parser.read(input, pos)
  case res
  when Success
    Success.new(input, res.pos, data: @block.call(res.data, res, pos), best_failure: res.best_failure)
  when Failure
    res
  end
end