A simple parser for King County voting result files

parser.rb

#!/usr/bin/env ruby
#
# A simple parser for parsing King County, WA vote results

PARTIES = {
  "Dem" => "Democratic Party",
  "DPC" => "Democratic Party",
  "Rep" => "Republican Party",
  "RPC" => "Republican Party",
  "NOP" => "NOP",
  "Ref" => "Reform Party",
  "I"   => "Independent",
  "INO" => "Independent",
  "IDM" => "Independent",
  "G"   => "Green Party",
  "CTT" => "Centrist Party",
  "PFX" => "Problemfixer Party"
}

class Candidate
  attr_accessor :id, :name, :votes

  def initialize(id, name, party, votes)
    @id = id
    @name = name
    @party = party
    @votes = votes
  end

  def party
    PARTIES[@party] || @party
  end
end

class Measure
  attr_accessor :id, :name, :candidates

  def initialize(id, name)
    @id = id
    @name = name
    @candidates = []
  end

  def winner
    @winner ||= @candidates.sort{|a, b| a.votes <=> b.votes}.last
  end

  def total_votes
    @total_votes ||= @candidates.inject(0) {|m, c| m + c.votes}
  end
end

measures = []
measure = nil
ARGF.each do |line|
  # We're either reading a measure or votes
  if line =~ /^\d+/
    # We're reading a Measure
    id, name = line.scan(/^(\d+)\s+\d+\s+"(.+)"/)[0]
    if !id.nil? && !name.nil?
      measure = Measure.new(id, name)
      measures << measure
    end

  elsif line =~ /^\s+/
    # We're reading a vote
    id, name, party, votes = line.scan(/\s+(\d+)\s+\d+\s+"(.*)"\s+"(.*)"\s+\d+\s+(\d+)/)[0] 
    candidate = Candidate.new(id, name, party, votes.to_i)
    measure.candidates << candidate unless measure.nil?
  end
end

puts "Measure ID\tMeasure Name\tTotal Votes\tCandidate ID\tCandidate Name\tCandidate Party\tCandidate Votes"
measures.each do |m|
  m.candidates.sort{|a,b| a.votes <=> b.votes}.reverse.each do |c|
    puts "#{m.id}\t#{m.name}\t#{m.total_votes}\t#{c.id}\t#{c.name}\t#{c.party}\t#{c.votes}"
  end
end