Class: PlcUtil::PL7ToIntouchRunner

Inherits:
Object
  • Object
show all
Defined in:
lib/plcutil/schneider/pl7_to_intouch_runner.rb

Overview

Command line tool to read and output an awl file

Instance Method Summary collapse

Constructor Details

#initialize(command_line_arguments) ⇒ PL7ToIntouchRunner

Returns a new instance of PL7ToIntouchRunner.



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# File 'lib/plcutil/schneider/pl7_to_intouch_runner.rb', line 11

def initialize(command_line_arguments)
    # standard command line options
	@intouchoptions = {}
	@output = nil
	@input = nil
	@symlistfile = nil
    @access_name = nil
    @pl7_tags = []
    @prefix = nil
    @alarm = false
    @caps = false
    @alarm_group = '$System'

    # Parse command line options
	option_parser.parse! command_line_arguments


	if @input
		File.open @input do |f|
			read_pl7_file f
		end
	else
		read_pl7_file $stdin
	end

    # Write to intouch file
	if @output
		File.open @output, 'w' do |f|
			print_to_file f
		end
	else
		print_to_file $stdout
	end
end

Instance Method Details

#make_alarm(io) ⇒ Object 



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# File 'lib/plcutil/schneider/pl7_to_intouch_runner.rb', line 68

def make_alarm(io)
  io.alarm_state = 'On'
  io.alarm_comment = io.comment
  io.group = @alarm_group
end

#option_parser ⇒ Object 



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# File 'lib/plcutil/schneider/pl7_to_intouch_runner.rb', line 107

def option_parser
	OptionParser.new do |opts|
		opts.banner = "Usage: pl7tointouch [options]"
		opts.on("-a", "--access ACCESSNAME", String, "Set access name for all tags") do |access_name|
        @intouchoptions[:access_name] = access_name
		end
		opts.on("-o", "--output FILE", String, "Output to specified file instead of", "standard output") do |output|
			@output = output
		end
		opts.on("-i", "--input FILE", String, "Input from specified file instead of", "standard input") do |input|
			@input = input
		end
		opts.on("--alarm", "Mark bit tags as alarms") do
			@alarm = true
		end
		opts.on("-g", "--alarm-group GROUP", String, "Select intouch alarm group") do |alg|
			@alarm_group = alg
        @alarm = true
		end
		opts.on("--caps", "tag name in capital letters") do
			@caps = true
		end
		opts.on("-p", "--prefix PREFIX", String, "Add PREFIX to tagname") do |prefix|
			@prefix = prefix
		end
		opts.on_tail("-h", "--help", "Show this message") do
			puts opts
			exit
		end
      # --alarm --alarmgroup 
	end	
end

#print_to_file(f) ⇒ Object 



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# File 'lib/plcutil/schneider/pl7_to_intouch_runner.rb', line 74

def print_to_file(f)
    @intouchfile = IntouchFile.new nil, @intouchoptions

    @pl7_tags.each do |item|
      data = {:item_use_tagname => 'No', :comment => item.comment }
      tag = (@prefix || '') + item.tagname
      tag = tag.upcase if @caps

      if item.bit_index
        @intouchfile.new_io_disc(tag, data) do |io|
          io.item_name = '%d:%02d' % [400001 + item.index, 16 - item.bit_index]
          make_alarm(io) if @alarm
        end
      elsif item.is_word
        @intouchfile.new_io_int(tag, data) do |io|
          io.item_name = '%d S' % (item.index + 400001)
        end
      elsif item.is_float
        @intouchfile.new_io_real(tag, data) do |io|
          io.item_name = '%d F' % (item.index + 400001)
        end
      else
        @intouchfile.new_io_disc(tag, data) do |io|
          io.item_name = (item.index + 1).to_s
          make_alarm(io) if @alarm
        end
      end
    end

    @intouchfile.write_csv f
end

#read_pl7_file(io) ⇒ Object 



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# File 'lib/plcutil/schneider/pl7_to_intouch_runner.rb', line 47

def read_pl7_file(io)
  io.each_line do |l|
    mres = l.match(/^%M(W|F)?(\d+)(:X(\d+))?\t(\S+)\t(\S+)(\t\"?([^\t"]*))?/)
    if mres
      item = OpenStruct.new
      case mres[1]
      when 'W'
        item.is_word = true
      when 'F'
        item.is_float = true
      end
      item.index = mres[2].to_i
      item.bit_index = mres[4] && mres[4].to_i
      item.tagname = mres[5]
      item.comment = mres[8]
      @pl7_tags << item
    end
  end

end

#show_help ⇒ Object 



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# File 'lib/plcutil/schneider/pl7_to_intouch_runner.rb', line 140

def show_help
	puts option_parser
end