50 lines
962 B
Ruby
50 lines
962 B
Ruby
# frozen_string_literal: false
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#
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# help.rb - helper using ri
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# $Release Version: 0.9.6$
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# $Revision$
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#
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# --
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#
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#
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#
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require_relative "nop"
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module IRB
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# :stopdoc:
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module ExtendCommand
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class Help < Nop
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def execute(*names)
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require 'rdoc/ri/driver'
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opts = RDoc::RI::Driver.process_args([])
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IRB::ExtendCommand::Help.const_set(:Ri, RDoc::RI::Driver.new(opts))
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rescue LoadError, SystemExit
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IRB::ExtendCommand::Help.remove_method(:execute)
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# raise NoMethodError in ensure
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else
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def execute(*names)
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if names.empty?
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Ri.interactive
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return
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end
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names.each do |name|
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begin
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Ri.display_name(name.to_s)
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rescue RDoc::RI::Error
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puts $!.message
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end
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end
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nil
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end
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nil
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ensure
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execute(*names)
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end
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end
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end
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# :startdoc:
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end
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