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//proc/thread-self/root/opt/alt/ruby34/share/ruby/reline/history.rb

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class Reline::History < Array
  def initialize(config)
    @config = config
  end

def to_s
    'HISTORY'
  end

def delete_at(index)
    index = check_index(index)
    super(index)
  end

def [](index)
    index = check_index(index) unless index.is_a?(Range)
    super(index)
  end

def []=(index, val)
    index = check_index(index)
    super(index, Reline::Unicode.safe_encode(val, Reline.encoding_system_needs))
  end

def concat(*val)
    val.each do |v|
      push(*v)
    end
  end

def push(*val)
    # If history_size is zero, all histories are dropped.
    return self if @config.history_size.zero?
    # If history_size is negative, history size is unlimited.
    if @config.history_size.positive?
      diff = size + val.size - @config.history_size
      if diff > 0
        if diff <= size
          shift(diff)
        else
          diff -= size
          clear
          val.shift(diff)
        end
      end
    end
    super(*(val.map{ |v|
      Reline::Unicode.safe_encode(v, Reline.encoding_system_needs)
    }))
  end

def <<(val)
    # If history_size is zero, all histories are dropped.
    return self if @config.history_size.zero?
    # If history_size is negative, history size is unlimited.
    if @config.history_size.positive?
      shift if size + 1 > @config.history_size
    end
    super(Reline::Unicode.safe_encode(val, Reline.encoding_system_needs))
  end

private def check_index(index)
    index += size if index < 0
    if index < -2147483648 or 2147483647 < index
      raise RangeError.new("integer #{index} too big to convert to 'int'")
    end
    # If history_size is negative, history size is unlimited.
    if @config.history_size.positive?
      if index < -@config.history_size or @config.history_size < index
        raise RangeError.new("index=<#{index}>")
      end
    end
    raise IndexError.new("index=<#{index}>") if index < 0 or size <= index
    index
  end
end

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Name	Size	Perms	Modified	Actions
io DIR	-	drwxr-xr-x	2026-05-14 20:42:17	Edit Download recursive recursive
key_actor DIR	-	drwxr-xr-x	2026-05-14 20:42:17	Edit Download recursive recursive
unicode DIR	-	drwxr-xr-x	2026-05-14 20:42:17	Edit Download recursive recursive
config.rb	10.16 KB	lrw-r--r--	2026-04-20 12:16:12	Edit Download recursive recursive
face.rb	4.79 KB	lrw-r--r--	2026-04-20 12:16:12	Edit Download recursive recursive
history.rb	1.89 KB	lrw-r--r--	2026-04-20 12:16:12	Edit Download recursive recursive
io.rb	1.10 KB	lrw-r--r--	2026-04-20 12:16:12	Edit Download recursive recursive
key_actor.rb	206 B	lrw-r--r--	2026-04-20 12:16:12	Edit Download recursive recursive
key_stroke.rb	3.21 KB	lrw-r--r--	2026-04-20 12:16:12	Edit Download recursive recursive
kill_ring.rb	2.37 KB	lrw-r--r--	2026-04-20 12:16:12	Edit Download recursive recursive
line_editor.rb	76.88 KB	lrw-r--r--	2026-04-20 12:16:12	Edit Download recursive recursive
unicode.rb	13.00 KB	lrw-r--r--	2026-04-20 12:16:12	Edit Download recursive recursive
version.rb	38 B	lrw-r--r--	2026-04-20 12:16:12	Edit Download recursive recursive

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