Class: RSS::Parser

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/rss/parser.rb

Constant Summary collapse

@@default_parser = 
nil

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(rss, parser_class = self.class.default_parser) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/rss/parser.rb', line 107

def initialize(rss, parser_class=self.class.default_parser)
  @parser = parser_class.new(normalize_rss(rss))
end

Class Method Details

.default_parser ⇒ Object 



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# File 'lib/rss/parser.rb', line 61

def default_parser
  @@default_parser || AVAILABLE_PARSERS.first
end

.default_parser=(new_value) ⇒ Object

Set @@default_parser to new_value if it is one of the available parsers. Else raise NotValidXMLParser error.



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# File 'lib/rss/parser.rb', line 67

def default_parser=(new_value)
  if AVAILABLE_PARSERS.include?(new_value)
    @@default_parser = new_value
  else
    raise NotValidXMLParser.new(new_value)
  end
end

.parse(rss, *args) ⇒ Object 



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# File 'lib/rss/parser.rb', line 75

def parse(rss, *args)
  if args.last.is_a?(Hash)
    options = args.pop
  else
    options = {}
  end
  do_validate = boolean_argument(args[0], options[:validate], true)
  ignore_unknown_element =
    boolean_argument(args[1], options[:ignore_unknown_element], true)
  parser_class = args[2] || options[:parser_class] || default_parser
  parser = new(rss, parser_class)
  parser.do_validate = do_validate
  parser.ignore_unknown_element = ignore_unknown_element
  parser.parse
end