Module: Hamlit::Concerns::Whitespace

Included in:
Hamlit::Compilers::Strip, Parsers::Tag
Defined in:
lib/hamlit/concerns/whitespace.rb

Instance Method Summary collapse

Instance Method Details

#parse_whitespace_removal(scanner) ⇒ Object 



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# File 'lib/hamlit/concerns/whitespace.rb', line 10

def parse_whitespace_removal(scanner)
  if scanner.match?(/</)
    inner_removal = parse_inner_removal(scanner)
    parse_outer_removal(scanner)
  else
    parse_outer_removal(scanner)
    inner_removal = parse_inner_removal(scanner)
  end
  inner_removal
end

#remove_first_space!(exps) ⇒ Object

‘<` removes spaces inside script or silent script recursively.



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# File 'lib/hamlit/concerns/whitespace.rb', line 22

def remove_first_space!(exps)
  deleted = false

  exps.delete_if do |exp|
    name, *args = exp
    case name
    when :static
      break if args != ["\n"]
      deleted = true
      next true
    when :code
      next false
    when :newline
      next false
    when :haml
      # recursive call for script
      remove_last_space!(exp) if args.first == :script
    when :multi
      break if exp == :multi
      # to flatten multi
      remove_last_space!(exp)
    end
    break
  end

  # recursive call for silent script
  remove_last_space!(exps) if deleted
end

#remove_last_space!(exps) ⇒ Object 



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# File 'lib/hamlit/concerns/whitespace.rb', line 51

def remove_last_space!(exps)
  exps.reverse!
  remove_first_space!(exps)
ensure
  exps.reverse!
  exps
end