Module: I18n::Tasks::SplitKey

Included in:
BaseTask, Data::Tree::Siblings, Data::Tree::Siblings
Defined in:
lib/i18n/tasks/split_key.rb

Class Method Summary collapse

Class Method Details

.key_parts(key, &block) ⇒ Object

yield each key part dots inside braces or parenthesis are not split on



38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
 
# File 'lib/i18n/tasks/split_key.rb', line 38

def key_parts(key, &block)
  return enum_for(:key_parts, key) unless block

  nesting = PARENS
  counts  = PARENS_ZEROS # dup'd later if key contains parenthesis
  delim   = '.'
  from    = to = 0
  key.each_char do |char|
    if char == delim && PARENS_ZEROS == counts
      block.yield key[from...to]
      from = to = (to + 1)
    else
      nest_i, nest_inc = nesting[char]
      if nest_i
        counts = counts.dup if counts.frozen?
        counts[nest_i] += nest_inc
      end
      to += 1
    end
  end
  block.yield(key[from...to]) if from < to && to <= key.length
  true
end

.last_key_part(key) ⇒ Object 



30
31
32
33
34
 
# File 'lib/i18n/tasks/split_key.rb', line 30

def last_key_part(key)
  last = nil
  key_parts(key) { |part| last = part }
  last
end

.split_key(key, max = Float::INFINITY) ⇒ Object

split a key by dots (.) dots inside braces or parenthesis are not split on

split_key ‘a.b’ # => [‘a’, ‘b’] split_key ‘a.#bb.c’ # => [‘a’, ‘#bb.c’] split_key ‘a.b.c’, 2 # => [‘a’, ‘b.c’]



14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
# File 'lib/i18n/tasks/split_key.rb', line 14

def split_key(key, max = Float::INFINITY)
  parts = []
  pos   = 0
  return [key] if max == 1

  key_parts(key) do |part|
    parts << part
    pos += part.length + 1
    if parts.length + 1 >= max
      parts << key[pos..] unless pos == key.length
      break
    end
  end
  parts
end