Module: Linecook::Utils

Included in:
Commands::Helper
Defined in:
lib/linecook/utils.rb

Class Method Summary collapse

Class Method Details

.arrayify(obj) ⇒ Object



11
12
13
14
15
16
17
# File 'lib/linecook/utils.rb', line 11

def arrayify(obj)
  case obj
  when nil    then []
  when String then obj.split(':')
  else obj
  end
end

.camelize(str) ⇒ Object



48
49
50
# File 'lib/linecook/utils.rb', line 48

def camelize(str)
  str.to_s.gsub(/\/(.?)/) { "::" + $1.upcase }.gsub(/(^|_)(.)/) { $2.upcase }
end

.constantize(const_name) ⇒ Object



60
61
62
63
64
65
66
67
68
69
# File 'lib/linecook/utils.rb', line 60

def constantize(const_name)
  constants = camelize(const_name).split(/::/)
  
  const = Object
  while name = constants.shift
    const = const.const_get(name)
  end
  
  const
end

.deep_merge(a, b) ⇒ Object



35
36
37
38
39
40
41
42
# File 'lib/linecook/utils.rb', line 35

def deep_merge(a, b)
  b.each_pair do |key, current|
    previous = a[key]
    a[key] = deep_merge?(previous, current) ? deep_merge(previous, current) : current
  end
  
  a
end

.deep_merge?(previous, current) ⇒ Boolean

Returns:

  • (Boolean)


44
45
46
# File 'lib/linecook/utils.rb', line 44

def deep_merge?(previous, current)
  current.kind_of?(Hash) && previous.kind_of?(Hash)
end

.hashify(obj) ⇒ Object



19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
# File 'lib/linecook/utils.rb', line 19

def hashify(obj)
  case obj
  when Hash then obj
  when nil  then {}
  when Array
    hash = {}
    obj.each {|entry| hash[entry] = entry }
    hash
  
  when String 
    hashify obj.split(':')
  
  else nil
  end
end

.load_config(path) ⇒ Object



7
8
9
# File 'lib/linecook/utils.rb', line 7

def load_config(path)
  (path && File.exists?(path) ? YAML.load_file(path) : nil) || {}
end

.underscore(str) ⇒ Object



52
53
54
55
56
57
58
# File 'lib/linecook/utils.rb', line 52

def underscore(str)
  str.gsub(/::/, '/').
  gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
  gsub(/([a-z\d])([A-Z])/,'\1_\2').
  tr("-", "_").
  downcase
end