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require "rexml/document"
require "rexml/streamlistener"
/\A(\d+)\.(\d+)(?:.\d+)+\z/ =~ REXML::Version
if ([$1.to_i, $2.to_i] <=> [2, 5]) < 0
raise LoadError, "needs REXML 2.5 or later (#{REXML::Version})"
end
module RSS
class REXMLParser < BaseParser
private
def listener
REXMLListener
end
def _parse
begin
REXML::Document.parse_stream(@rss, @listener)
rescue RuntimeError => e
raise NotWellFormedError.new{e.message}
rescue REXML::ParseException => e
context = e.context
line = context[0] if context
raise NotWellFormedError.new(line){e.message}
end
end
end
class REXMLListener < BaseListener
include REXML::StreamListener
include ListenerMixin
def xmldecl(version, encoding, standalone)
super
# Encoding is converted to UTF-8 when REXML parse XML.
@encoding = 'UTF-8'
end
alias_method(:cdata, :text)
end
end
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