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authorJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-16 18:49:26 +0900
committerJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-30 00:39:06 +0900
commitfcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch)
tree64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/lib/rexml/syncenumerator.rb
Fresh start
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diff --git a/jni/ruby/lib/rexml/syncenumerator.rb b/jni/ruby/lib/rexml/syncenumerator.rb
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+module REXML
+ class SyncEnumerator
+ include Enumerable
+
+ # Creates a new SyncEnumerator which enumerates rows of given
+ # Enumerable objects.
+ def initialize(*enums)
+ @gens = enums
+ @length = @gens.collect {|x| x.size }.max
+ end
+
+ # Returns the number of enumerated Enumerable objects, i.e. the size
+ # of each row.
+ def size
+ @gens.size
+ end
+
+ # Returns the number of enumerated Enumerable objects, i.e. the size
+ # of each row.
+ def length
+ @gens.length
+ end
+
+ # Enumerates rows of the Enumerable objects.
+ def each
+ @length.times {|i|
+ yield @gens.collect {|x| x[i]}
+ }
+ self
+ end
+ end
+end