* lib/xmlrpc/parser.rb: added new parser class using libxml-ruby gem.

  [Feature #9379][ruby-core:59633]
* lib/xmlrpc/config.rb: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47902 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 34 insertions, 1 deletions

diff --git a/lib/xmlrpc/config.rb b/lib/xmlrpc/config.rb
index 98081473b4..7923f3a26e 100644
--- a/lib/xmlrpc/config.rb
+++ b/lib/xmlrpc/config.rb
@@ -18,6 +18,7 @@ module XMLRPC # :nodoc:
     # * XMLParser::XMLStreamParser (fastest)
     # * XMLParser::REXMLStreamParser
     # * XMLParser::XMLScanStreamParser
+    # * XMLParser::LibXMLStreamParser
     DEFAULT_PARSER = XMLParser::REXMLStreamParser
 
     # enable <code><nil/></code> tag
diff --git a/lib/xmlrpc/parser.rb b/lib/xmlrpc/parser.rb
index 0afbd07e6b..be8accfd6b 100644
--- a/lib/xmlrpc/parser.rb
+++ b/lib/xmlrpc/parser.rb
@@ -814,12 +814,44 @@ module XMLRPC # :nodoc:
       end
     end
 
+    class LibXMLStreamParser < AbstractStreamParser
+      def initialize
+        require 'libxml'
+        @parser_class = LibXMLStreamListener
+      end
+
+      class LibXMLStreamListener
+        include StreamParserMixin
+
+        def on_start_element_ns(name, attributes, prefix, uri, namespaces)
+          startElement(name)
+        end
+
+        def on_end_element_ns(name, prefix, uri)
+          endElement(name)
+        end
+
+        alias :on_characters :character
+        alias :on_cdata_block :character
+
+        def method_missing(*a)
+        end
+
+        def parse(str)
+          parser = LibXML::XML::SaxParser.string(str)
+          parser.callbacks = self
+          parser.parse()
+        end
+      end
+    end
+
     XMLParser   = XMLTreeParser
     NQXMLParser = NQXMLTreeParser
 
     Classes = [XMLStreamParser, XMLTreeParser,
                NQXMLStreamParser, NQXMLTreeParser,
-               REXMLStreamParser, XMLScanStreamParser]
+               REXMLStreamParser, XMLScanStreamParser,
+               LibXMLStreamParser]
 
     # yields an instance of each installed parser
     def self.each_installed_parser