Difference between revisions of "Ruby examples"

Revision as of 11:50, 27 March 2010

class IsTheRootStringToTransform
  
  attr_reader :rootfilecontent, :list, :matches 
  attr_reader :matchexpr, :j, :outfilename, :batch
  
  def initialize (rootstring, list)
    @rootfilecontent, @list = rootstring, list
    @list = @list.to_a if !@list.is_a?(Array)
    @matchexpr = @list.shift
    @matches = @matchexpr.tr('()','').split(' ')
    @closings = @matchexpr.gsub(/\(.+?\)/, '*').split(/\*| /)
    puts @closings.join(' ')
  end
  
  def isTransformedByTheBlock
    @j = 1
    @list.each do |line|
      yield line
      @j = @j + 1
    end
  end
  
  def buildHashOfSubs(array)
    hash = Hash.new
    array.size.times { |i| hash.store(@matches[i], @closings[2*i].chomp + array[i] + @closings[2*i + 1].chomp) }
    return hash
  end
  
  def isTransformedIntoFile(filename)
    
    @outfilename = filename
    isTransformedByTheBlock{ |line|    
      filecontent = String.new( @rootfilecontent )
      
      tokens = line.split( ' ' )
      subhash = buildHashOfSubs(tokens)
      subhash.each { |match, sub| filecontent.replace filecontent.gsub(match, sub) }
      
      mytrgfile = File.new(filename + "_" + @j.to_s.rjust(3,"0") + ".dat", "w")
      mytrgfile.puts filecontent
      mytrgfile.close
      
      puts filecontent
    }
    
  end
  
  def hasTheFollowingBatchFileBlock(batchfilename)
    
    @batch = String.new
    
batchhead = <