# File lib/rss/parser.rb, line 59
59:       def default_parser
60:         @@default_parser || AVAILABLE_PARSERS.first
61:       end

    # File lib/rss/parser.rb, line 65
65:       def default_parser=(new_value)
66:         if AVAILABLE_PARSERS.include?(new_value)
67:           @@default_parser = new_value
68:         else
69:           raise NotValidXMLParser.new(new_value)
70:         end
71:       end

    # File lib/rss/parser.rb, line 87
87:     def initialize(rss, parser_class=self.class.default_parser)
88:       @parser = parser_class.new(normalize_rss(rss))
89:     end

    # File lib/rss/parser.rb, line 73
73:       def parse(rss, do_validate=true, ignore_unknown_element=true,
74:                 parser_class=default_parser)
75:         parser = new(rss, parser_class)
76:         parser.do_validate = do_validate
77:         parser.ignore_unknown_element = ignore_unknown_element
78:         parser.parse
79:       end

     # File lib/rss/parser.rb, line 111
111:     def maybe_xml?(source)
112:       source.is_a?(String) and /</ =~ source
113:     end

     # File lib/rss/parser.rb, line 96
 96:     def normalize_rss(rss)
 97:       return rss if maybe_xml?(rss)
 98: 
 99:       uri = to_uri(rss)
100:       
101:       if uri.respond_to?(:read)
102:         uri.read
103:       elsif !rss.tainted? and File.readable?(rss)
104:         File.open(rss) {|f| f.read}
105:       else
106:         rss
107:       end
108:     end

     # File lib/rss/parser.rb, line 117
117:     def to_uri(rss)
118:       return rss if rss.is_a?(::URI::Generic)
119: 
120:       begin
121:         URI(rss)
122:       rescue ::URI::Error
123:         rss
124:       end
125:     end