Module: RecursiveOpenStruct::DebugInspect

Included in:
RecursiveOpenStruct
Defined in:
lib/recursive_open_struct/debug_inspect.rb

Instance Method Summary collapse

Instance Method Details

#debug_inspect(io = STDOUT, indent_level = 0, recursion_limit = 12) ⇒ Object 



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# File 'lib/recursive_open_struct/debug_inspect.rb', line 2

def debug_inspect(io = STDOUT, indent_level = 0, recursion_limit = 12)
  display_recursive_open_struct(io, @table, indent_level, recursion_limit)
end

#display_recursive_open_struct(io, ostrct_or_hash, indent_level, recursion_limit) ⇒ Object 



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# File 'lib/recursive_open_struct/debug_inspect.rb', line 6

def display_recursive_open_struct(io, ostrct_or_hash, indent_level, recursion_limit)

  if recursion_limit <= 0 then
    # protection against recursive structure (like in the tests)
    io.puts '  '*indent_level + '(recursion limit reached)'
  else
    #puts ostrct_or_hash.inspect
    if ostrct_or_hash.is_a?(self.class) then
      ostrct_or_hash = ostrct_or_hash.marshal_dump
    end

    # We'll display the key values like this :    key =  value
    # to align display, we look for the maximum key length of the data that will be displayed
    # (everything except hashes)
    data_indent = ostrct_or_hash \
      .reject { |k, v| v.is_a?(self.class) || v.is_a?(Hash) } \
      .max {|a,b| a[0].to_s.length <=> b[0].to_s.length}[0].to_s.length
    # puts "max length = #{data_indent}"

    ostrct_or_hash.each do |key, value|
      if (value.is_a?(self.class) || value.is_a?(Hash)) then
        io.puts '  '*indent_level + key.to_s + '.'
        display_recursive_open_struct(io, value, indent_level + 1, recursion_limit - 1)
      else
        io.puts '  '*indent_level + key.to_s + ' '*(data_indent - key.to_s.length) + ' = ' + value.inspect
      end
    end
  end

  true
end