class SentimentParser

# File lib/sentiment_parser.rb, line 13
def initialize(words)
  @words = words
end

# File lib/sentiment_parser.rb, line 8
def parse(words)
  new(words).parse
end

# File lib/sentiment_parser.rb, line 17
def load(data)
  hash = {}
  CSV.parse(data, :col_sep => "\t") do |row|
    hash[row[1]] = row[0]
  end
  hash
end

# File lib/sentiment_parser.rb, line 25
def parse
  total = 0.0

  words.split(' ').each do |word|
    total += sentiment_data[word].to_f
  end

  total
end

# File lib/sentiment_parser.rb, line 43
def sentiment_data
  @sentiment_data ||= sentiment_files.map {|f| load(File.read(f)) }.reduce({}, :merge)
end

# File lib/sentiment_parser.rb, line 37
def sentiment_files
  @files ||= ['vendor/sentiments/words.txt', 'vendor/sentiments/emotes.txt'].map do |file|
    File.expand_path(File.join(__FILE__, '../..', file))
  end
end