class Puppet::Pops::Model::TreeDumper

# File lib/puppet/pops/model/tree_dumper.rb, line 14
def do_dump(o)
  @@dump_visitor.visit_this(self, o)
end

# File lib/puppet/pops/model/tree_dumper.rb, line 10
def dump(o)
  format(do_dump(o))
end

# File lib/puppet/pops/model/tree_dumper.rb, line 22
def format(x)
  result = ""
  parts = format_r(x)
  parts.each_index do |i|
    if i > 0
      # separate with space unless previous ends with whitepsace or (
      result << ' ' if parts[i] != ")" && parts[i-1] !~ /.*(?:\s+|\()$/ && parts[i] !~ /^\s+/
    end
    result << parts[i].to_s
  end
  result
end

# File lib/puppet/pops/model/tree_dumper.rb, line 35
def format_r(x)
  result = []
  case x
  when :break
    result << "\n" + indent
  when :indent
    @indent_count += 1
  when :dedent
    @indent_count -= 1
  when Array
    result << '('
    result += x.collect {|a| format_r(a) }.flatten
    result << ')'
  when Symbol
    result << x.to_s # Allows Symbols in arrays e.g. ["text", =>, "text"]
  else
    result << x
  end
  result
end

# File lib/puppet/pops/model/tree_dumper.rb, line 18
def indent
  "  " * indent_count
end

# File lib/puppet/pops/model/tree_dumper.rb, line 56
def is_nop? o
  o.nil? || o.is_a?(Puppet::Pops::Model::Nop)
end

# File lib/puppet/pops/model/tree_dumper.rb, line 5
def initialize initial_indentation = 0
  @@dump_visitor ||= Puppet::Pops::Visitor.new(nil,"dump",0,0)
  @indent_count = initial_indentation
end