Module: Pipetree::Railway::Inspect

Includes:
Inspect
Defined in:
lib/pipetree/railway/inspect.rb

Constant Summary collapse

Operator = 
{ Pipetree::Railway::Left => "<", Pipetree::Railway::Right => ">", }

Instance Method Summary collapse

Methods included from Inspect

#inspect, #inspect_row

Instance Method Details

#inspect_func(step) ⇒ Object 



6
7
8
 
# File 'lib/pipetree/railway/inspect.rb', line 6

def inspect_func(step)
  @inspect[step]
end

#inspect_line(names) ⇒ Object 



12
13
14
15
 
# File 'lib/pipetree/railway/inspect.rb', line 12

def inspect_line(names)
  string = names.collect { |i, (track, name)| "#{Operator[track]}#{name}" }.join(",")
  "[#{string}]"
end

#inspect_rows(names) ⇒ Object 



17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
 
# File 'lib/pipetree/railway/inspect.rb', line 17

def inspect_rows(names)
  string = names.collect do |i, (track, name)|
    operator = Operator[track]

    op = "#{operator}#{name}"
    padding = 38

    proc = if operator == "<"
      sprintf("%- #{padding}s", op)
    elsif [">", ">>", "&"].include?(operator.to_s)
      sprintf("% #{padding}s", op)
    else
      pad = " " * ((padding - op.length) / 2)
      "#{pad}#{op}#{pad}"
    end

    proc = proc.gsub(" ", "=")

    sprintf("%2d %s", i, proc)
  end.join("\n")
  "\n#{string}"
end