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ruby23
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lib64
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2.3.0
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rss
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files >> //opt/alt/ruby23/lib64/ruby/2.3.0/rss/xmlscanner.rb
# frozen_string_literal: false require 'xmlscan/scanner' require 'stringio' module RSS class XMLScanParser < BaseParser class << self def listener XMLScanListener end end private def _parse begin if @rss.is_a?(String) input = StringIO.new(@rss) else input = @rss end scanner = XMLScan::XMLScanner.new(@listener) scanner.parse(input) rescue XMLScan::Error => e lineno = e.lineno || scanner.lineno || input.lineno raise NotWellFormedError.new(lineno){e.message} end end end class XMLScanListener < BaseListener include XMLScan::Visitor include ListenerMixin ENTITIES = { 'lt' => '<', 'gt' => '>', 'amp' => '&', 'quot' => '"', 'apos' => '\'' } def on_xmldecl_version(str) @version = str end def on_xmldecl_encoding(str) @encoding = str end def on_xmldecl_standalone(str) @standalone = str end def on_xmldecl_end xmldecl(@version, @encoding, @standalone == "yes") end alias_method(:on_pi, :instruction) alias_method(:on_chardata, :text) alias_method(:on_cdata, :text) def on_etag(name) tag_end(name) end def on_entityref(ref) text(entity(ref)) end def on_charref(code) text([code].pack('U')) end alias_method(:on_charref_hex, :on_charref) def on_stag(name) @attrs = {} end def on_attribute(name) @attrs[name] = @current_attr = '' end def on_attr_value(str) @current_attr << str end def on_attr_entityref(ref) @current_attr << entity(ref) end def on_attr_charref(code) @current_attr << [code].pack('U') end alias_method(:on_attr_charref_hex, :on_attr_charref) def on_stag_end(name) tag_start(name, @attrs) end def on_stag_end_empty(name) tag_start(name, @attrs) tag_end(name) end private def entity(ref) ent = ENTITIES[ref] if ent ent else wellformed_error("undefined entity: #{ref}") end end end end
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