Class: Hash

Inherits:
Object show all
Defined in:
lib/libis/tools/extend/hash.rb

Instance Method Summary collapse

Instance Method Details

#cleanup ⇒ Object 



5
6
7
 
# File 'lib/libis/tools/extend/hash.rb', line 5

def cleanup
  self.delete_if { |_,v| v.nil? || (v.respond_to?(:empty?) ? v.empty? : false) }
end

#key_strings_to_symbols(opts = {}) ⇒ Object 



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
71
72
 
# File 'lib/libis/tools/extend/hash.rb', line 41

def key_strings_to_symbols(opts = {})
  opts = {resursive: false, upcase: false, downcase: false}.merge opts

  r = Hash.new
  self.each_pair do |k,v|

    k = k.to_s if k.kind_of? Symbol
    if k.kind_of? String
      k = k.downcase if opts[:downcase]
      k = k.upcase if opts[:upcase]
      k = k.to_sym
    end

    if opts[:recursive]
      case v
        when Hash
          v = v.key_strings_to_symbols opts
        when Array
          # noinspection RubyResolve
          v = v.collect { |a| (a.kind_of? Hash) ? a.key_strings_to_symbols(opts) :  Marshal.load(Marshal.dump(a)) }
        else
          # noinspection RubyResolve
          v = Marshal.load(Marshal.dump(v))
      end
    end

    r[k] = v

  end

  r
end

#key_strings_to_symbols!(opts = {}) ⇒ Object 



37
38
39
 
# File 'lib/libis/tools/extend/hash.rb', line 37

def key_strings_to_symbols!(opts = {})
  self.replace self.key_strings_to_symbols opts
end

#key_symbols_to_strings(opts = {}) ⇒ Object 



78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
 
# File 'lib/libis/tools/extend/hash.rb', line 78

def key_symbols_to_strings(opts = {})
  opts = {resursive: false, upcase: false, downcase: false}.merge opts

  r = Hash.new
  self.each_pair do |k,v|

    k = k.to_sym if k.kind_of? String
    if k.kind_of? Symbol
      k = k.to_s
      k = k.downcase if opts[:downcase]
      k = k.upcase if opts[:upcase]
    end

    if opts[:recursive]
      case v
        when Hash
          v = v.key_symbols_to_strings(opts)
        when Array
          # noinspection RubyResolve
          v = v.collect { |a| (a.kind_of? Hash) ? a.key_symbols_to_strings(opts) : Marshal.load(Marshal.dump(a)) }
        else
          # noinspection RubyResolve
          v = Marshal.load(Marshal.dump(v))
      end
    end

    r[k] = v

  end

  r
end

#key_symbols_to_strings!(opts = {}) ⇒ Object 



74
75
76
 
# File 'lib/libis/tools/extend/hash.rb', line 74

def key_symbols_to_strings!(opts = {})
  self.replace self.key_symbols_to_strings opts
end

#recursive_cleanup ⇒ Object 



9
10
11
12
13
14
15
 
# File 'lib/libis/tools/extend/hash.rb', line 9

def recursive_cleanup
  delete_proc = Proc.new do |_, v|
    v.delete_if(&delete_proc) if v.kind_of?(Hash)
    v.nil? || (v.respond_to?(:empty?) ? v.empty? : false)
  end
  self.delete_if &delete_proc
end

#recursive_merge(other_hash) ⇒ Object 



17
18
19
20
21
22
23
24
25
 
# File 'lib/libis/tools/extend/hash.rb', line 17

def recursive_merge(other_hash)
  self.merge(other_hash) do |_, old_val, new_val|
    if old_val.is_a? Hash
      old_val.recursive_merge new_val
    else
      new_val
    end
  end
end

#recursive_merge!(other_hash) ⇒ Object 



27
28
29
30
31
32
33
34
35
 
# File 'lib/libis/tools/extend/hash.rb', line 27

def recursive_merge!(other_hash)
  self.merge!(other_hash) do |_, old_val, new_val|
    if old_val.is_a? Hash
      old_val.recursive_merge new_val
    else
      new_val
    end
  end
end