Revert "IRB is improved with Reline and RDoc"

This reverts commit 7f273ac6d0f05208b5b228da95205e20c0e8286c.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67691 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 0 insertions, 74 deletions

diff --git a/lib/reline/key_stroke.rb b/lib/reline/key_stroke.rb
deleted file mode 100644
index ac0a820759..0000000000
--- a/lib/reline/key_stroke.rb
+++ /dev/null
@@ -1,74 +0,0 @@
-class Reline::KeyStroke
-  using Module.new {
-    refine Array do
-      def start_with?(other)
-        other.size <= size && other == self.take(other.size)
-      end
-
-      def bytes
-        self
-      end
-    end
-  }
-
-  def initialize(config)
-    @config = config
-    @buffer = []
-  end
-
-  def input_to(bytes)
-    case match_status(bytes)
-    when :matching
-      nil
-    when :matched
-      expand(bytes)
-    when :unmatched
-      bytes
-    end
-  end
-
-  def input_to!(bytes)
-    @buffer.concat Array(bytes)
-    input_to(@buffer)&.tap { clear }
-  end
-
-  private
-
-  def match_status(input)
-    key_mapping.keys.select { |lhs|
-      lhs.start_with? input
-    }.tap { |it|
-      return :matched  if it.size == 1 && (it.max_by(&:size)&.size&.== input.size)
-      return :matching if it.size == 1 && (it.max_by(&:size)&.size&.!= input.size)
-      return :matched  if it.max_by(&:size)&.size&.< input.size
-      return :matching if it.size > 1
-    }
-    key_mapping.keys.select { |lhs|
-      input.start_with? lhs
-    }.tap { |it|
-      return it.size > 0 ? :matched : :unmatched
-    }
-  end
-
-  def expand(input)
-    lhs = key_mapping.keys.select { |lhs| input.start_with? lhs }.sort_by(&:size).reverse.first
-    return input unless lhs
-    rhs = key_mapping[lhs]
-
-    case rhs
-    when String
-      rhs_bytes = rhs.bytes
-      expand(expand(rhs_bytes) + expand(input.drop(lhs.size)))
-    when Symbol
-      [rhs] + expand(input.drop(lhs.size))
-    end
-  end
-
-  def key_mapping
-    @config[:key_mapping].transform_keys(&:bytes)
-  end
-
-  def clear
-    @buffer = []
-  end
-end