Class: PropertyList::XmlGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/property-list/xml_generator.rb

Overview

:nodoc:

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(base64_width: 68, base64_indent: true, indent_unit: "\t", initial_indent: '') ⇒ XmlGenerator

Returns a new instance of XmlGenerator.



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# File 'lib/property-list/xml_generator.rb', line 36

def initialize base64_width: 68, base64_indent: true, indent_unit: "\t", initial_indent: ''
  @indent_unit = indent_unit
  @indent_level = 0
  @initial_indent = initial_indent
  @indent = @initial_indent + @indent_unit * @indent_level
  @base64_bytes_per_line = (base64_width * 6) / 8
  @base64_indent = base64_indent
  @output = []
end

Instance Attribute Details

#output ⇒ Object (readonly)

Returns the value of attribute output.



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# File 'lib/property-list/xml_generator.rb', line 45

def output
  @output
end

Instance Method Details

#generate(obj) ⇒ Object 



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# File 'lib/property-list/xml_generator.rb', line 47

def generate obj
  if obj.respond_to? :to_plist_xml
    xml = obj.to_plist_xml
    if !xml.start_with?(@indent)
      xml = @indent + xml
    end
    if !xml.end_with?("\n")
      xml += "\n"
    end
    @output << xml
    return
  end

  case obj
  when Array
    if obj.empty?
      empty_tag 'array'
    else
      tag 'array' do
        obj.each {|e| generate e }
      end
    end
  when Hash
    if obj.empty?
      empty_tag 'dict'
    else
      tag 'dict' do
        obj.keys.sort_by(&:to_s).each do |k|
          v = obj[k]
          tag 'key', escape_string(k.to_s)
          generate v
        end
      end
    end
  when true, false
    empty_tag obj
  when Time
    tag 'date', obj.utc.strftime('%Y-%m-%dT%H:%M:%SZ')
  when Date # also catches DateTime
    tag 'date', obj.strftime('%Y-%m-%dT%H:%M:%SZ')
  when String
    tag 'string', escape_string(obj)
  when Symbol
    tag 'string', escape_string(obj.to_s)
  when Float
    if obj.to_i == obj
      tag 'real', obj.to_i
    else
      tag 'real', obj
    end
  when Integer
    tag 'integer', obj
  when IO, StringIO
    obj.rewind
    contents = obj.read
    data_tag contents
  else
    raise "Unsupported class: #{obj.class}"
  end
end