Module: I18n::Processes::SplitKey

Included in:
BaseProcess, Data::Tree::Siblings, Data::Tree::Siblings
Defined in:
lib/i18n/processes/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



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# File 'lib/i18n/processes/split_key.rb', line 36

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 



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# File 'lib/i18n/processes/split_key.rb', line 28

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’]



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# File 'lib/i18n/processes/split_key.rb', line 13

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..-1] unless pos == key.length
      break
    end
  end
  parts
end