Class: Plist::Emit::PlistBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/plist/generator.rb

Instance Method Summary collapse

Constructor Details

#initialize(indent_str) ⇒ PlistBuilder

Returns a new instance of PlistBuilder.

[View source]

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# File 'lib/plist/generator.rb', line 64

def initialize(indent_str)
  @indent_str = indent_str.to_s
end

Instance Method Details

#build(element, level = 0) ⇒ Object

[View source]

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# File 'lib/plist/generator.rb', line 68

def build(element, level=0)
  if element.respond_to? :to_plist_node
    element.to_plist_node
  else
    case element
    when Array
      if element.empty?
        tag('array', nil, level)
      else
        tag('array', nil, level) {
          element.collect {|e| build(e, level + 1) }.join
        }
      end
    when Hash
      if element.empty?
        tag('dict', nil, level)
      else
        tag('dict', '', level) do
          element.sort_by{|k,v| k.to_s }.collect do |k,v| 
            tag('key', CGI.escapeHTML(k.to_s), level + 1) +
            build(v, level + 1)
          end.join
        end
      end
    when true, false
      tag(element, nil, level)
    when Time
      tag('date', element.utc.strftime('%Y-%m-%dT%H:%M:%SZ'), level)
    when Date # also catches DateTime
      tag('date', element.strftime('%Y-%m-%dT%H:%M:%SZ'), level)
    when String, Symbol, Integer, Float
      tag(element_type(element), CGI.escapeHTML(element.to_s), level)
    when IO, StringIO
      data = element.tap(&:rewind).read 
      data_tag(data, level)
    else
      data = Marshal.dump(element)
      comment_tag('The <data> element below contains a Ruby object which has been serialized with Marshal.dump.') +
      data_tag(data, level)
    end
  end
end