Class: RecursiveOpenStruct

Inherits:
OpenStruct
  • Object
show all
Defined in:
lib/recursive_open_struct.rb

Constant Summary collapse

VERSION = 
"0.4.0"

Instance Method Summary collapse

Constructor Details

#initialize(h = nil, args = {}) ⇒ RecursiveOpenStruct 



6
7
8
9
 
# File 'lib/recursive_open_struct.rb', line 6

def initialize(h=nil, args={})
  @recurse_over_arrays = args.fetch(:recurse_over_arrays,false)
  super(h)
end

Instance Method Details

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



36
37
38
 
# File 'lib/recursive_open_struct.rb', line 36

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 



40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
 
# File 'lib/recursive_open_struct.rb', line 40

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?(RecursiveOpenStruct) 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?(RecursiveOpenStruct) || 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?(RecursiveOpenStruct) || 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

#new_ostruct_member(name) ⇒ Object 



15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
 
# File 'lib/recursive_open_struct.rb', line 15

def new_ostruct_member(name)
  name = name.to_sym
  unless self.respond_to?(name)
    class << self; self; end.class_eval do
      define_method(name) do
        v = @table[name]
        if v.is_a?(Hash)
          RecursiveOpenStruct.new(v)
        elsif v.is_a?(Array) and @recurse_over_arrays
          v.map { |a| (a.is_a? Hash) ? RecursiveOpenStruct.new(a, :recurse_over_arrays => true) : a }
        else
          v
        end
      end
      define_method("#{name}=") { |x| modifiable[name] = x }
      define_method("#{name}_as_a_hash") { @table[name] }
    end
  end
  name
end

#to_h ⇒ Object 



11
12
13
 
# File 'lib/recursive_open_struct.rb', line 11

def to_h
  @table.dup
end