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Contents
module Redcar
class Command
# A class that holds a Redcar command history. The maximum length
# defaults to 500.
class History < Array
def initialize
@max = 500
end
# Add a command to the command history if CommandHistory.recording is
# true.
def record(command)
if command.class.record?
self << command
end
prune
end
# Adds a command to the command history if CommandHistory.recording is
# true. If the last command is of the same class, it is replaced.
def record_and_replace(command)
if command.class.record?
if last.class == command.class
self[-1] = command
else
self << command
end
end
prune
end
# Set the maximum length of the history
def max=(max)
@max = max
end
private
def prune #:nodoc:
(length - @max).times { delete_at(0) }
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems