From ad9aa5368fb6a34294fb9cd4e48aed3bae244dbf Mon Sep 17 00:00:00 2001 From: tenderlove Date: Tue, 2 Nov 2010 21:24:54 +0000 Subject: * ext/psych/lib/psych/visitors/visitor.rb (accept): switch to a dispatch cache rather than case / when statement. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29670 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/psych/lib/psych/visitors/visitor.rb | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) (limited to 'ext') diff --git a/ext/psych/lib/psych/visitors/visitor.rb b/ext/psych/lib/psych/visitors/visitor.rb index 3471c43dfa..0e33128f01 100644 --- a/ext/psych/lib/psych/visitors/visitor.rb +++ b/ext/psych/lib/psych/visitors/visitor.rb @@ -11,16 +11,17 @@ module Psych end def accept target - case target - when Psych::Nodes::Scalar then visit_Psych_Nodes_Scalar target - when Psych::Nodes::Mapping then visit_Psych_Nodes_Mapping target - when Psych::Nodes::Sequence then visit_Psych_Nodes_Sequence target - when Psych::Nodes::Alias then visit_Psych_Nodes_Alias target - when Psych::Nodes::Document then visit_Psych_Nodes_Document target - when Psych::Nodes::Stream then visit_Psych_Nodes_Stream target - else - raise "Can't handle #{target}" - end + visit target + end + + private + + DISPATCH = Hash.new do |hash, klass| + hash[klass] = "visit_#{klass.name.gsub('::', '_')}" + end + + def visit target + send DISPATCH[target.class], target end end end -- cgit v1.2.3