# Class for parsing CORRELATION file.
#
# Written by k-fleak
#

class ParseCorrelation
  
  def initialize(filename)
    @input = open(filename, "r")
    calcCorrelation
  end
  
  def getCorrelation
    # key => structure index, value: correlations
    @correlation
  end
  
  private
  
  def calcCorrelation
    @correlation = Hash.new()
    @input.each do |lines|
      
      unless lines.strip.empty? then
        if /str/ =~ lines then
          lineArr = lines.strip.split(/:/)
          @structure = lineArr[1]
          corrTmp = Array.new
          @correlation[@structure] = corrTmp
        else
          @correlation[@structure].push(lines.strip.to_f)
        end
      end
    end
  end
  
end

#parse = ParseCorrelation.new("CORRELATION.surf")
#p parse.getCorrelation["0103"]