Class: FormatR::FormatReader

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

Overview

This class takes in a format and instead of writing out the values variables under the given format will read in formatted text and give the values of variables as specified in the given format.

Instance Method Summary collapse

Constructor Details

#initialize(format) ⇒ FormatReader

Make a FormatReader given a format



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# File 'lib/formatr.rb', line 1341

def initialize (format) 
  @pictures = format.getPictureLines()
  @var_values = Hash.new
end

Instance Method Details

#readFormat(output) ⇒ Object

Given the output from a format return a hash with the values of the variables given in the input mapped to the variables in the format.



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# File 'lib/formatr.rb', line 1349

def readFormat (output) 
  @var_values = Hash.new
  output_line = 0
  while (output_line < output.length)
    @pictures.each_index do |i|
      repeat = true
      while (repeat)
        found_match = setLine( @pictures[i], output[output_line] )
        repeat = false #default to stopping
        if (found_match)
          output_line += 1
        end
        #we may need to repeat if it's a ~~ line
        if (@pictures[i].repeat() && found_match)
          repeat = true
        end
      end #while
    end
    if block_given?
      yield @var_values
      @var_values = Hash.new
    else
      return @var_values
    end
  end
end