Class: MongoThing::NestedOpenStruct

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

Instance Method Summary collapse

Constructor Details

#initialize(hash = nil) ⇒ NestedOpenStruct

Returns a new instance of NestedOpenStruct.



7
8
9
10
11
12
13
14
15
16
 
# File 'lib/mongo_thing/nested_ostruct.rb', line 7

def initialize(hash=nil)
  @table = {}
  if hash
    for k,v in hash
      v = convert_value_to_nested_open_struct(v)
      @table[k.to_sym] = v
      new_ostruct_member(k)
    end
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(mid, *args) ⇒ Object

:nodoc:



18
19
20
21
22
23
24
 
# File 'lib/mongo_thing/nested_ostruct.rb', line 18

def method_missing(mid, *args) # :nodoc:
  mname = mid.id2name
  if mname[-1..-1] == "=" && args[0]
    args[0] = convert_value_to_nested_open_struct(args[0])
  end
  super
end

Instance Method Details

#convert_value_to_nested_open_struct(value) ⇒ Object 



26
27
28
29
30
31
32
33
34
35
 
# File 'lib/mongo_thing/nested_ostruct.rb', line 26

def convert_value_to_nested_open_struct(value)
  case value
  when Hash
    NestedOpenStruct.new(value)
  when Array
    value.collect{|nv| nv.is_a?(Hash) ? NestedOpenStruct.new(nv) : nv}
  else
    value
  end
end

#marshal_dump ⇒ Object 



52
53
54
55
56
57
58
59
60
61
62
63
 
# File 'lib/mongo_thing/nested_ostruct.rb', line 52

def marshal_dump
  @table.collect do |k,v|
    n = if v.is_a?(NestedOpenStruct)
      v.marshal_dump
    elsif v.is_a?(Array)
      v.collect{|a| a.is_a?(NestedOpenStruct) ? a.marshal_dump : a}
    else
      v
    end
    [k,n]
  end.inject({}){|h,v|h[v[0]] = v[1]; h}
end

#marshal_load(x) ⇒ Object 



65
66
67
68
 
# File 'lib/mongo_thing/nested_ostruct.rb', line 65

def marshal_load(x)
  @table = x
  @table.each_key{|key| new_ostruct_member(key)}
end

#new_ostruct_member(name) ⇒ Object 



41
42
43
44
45
46
47
48
49
50
 
# File 'lib/mongo_thing/nested_ostruct.rb', line 41

def new_ostruct_member(name)
  name = name.to_sym
  unless self.respond_to?(name)
    self.class.class_eval do
      define_method(name) { @table[name] }
      define_method("#{name}=") { |x| modifiable[name] = convert_value_to_nested_open_struct(x) }
    end
  end
  name
end

#to_hash ⇒ Object 



37
38
39
 
# File 'lib/mongo_thing/nested_ostruct.rb', line 37

def to_hash
  marshal_dump
end