#
#--
# Copyright (c) 2007, John Mettraux, OpenWFE.org
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without 
# modification, are permitted provided that the following conditions are met:
# 
# . Redistributions of source code must retain the above copyright notice, this
#   list of conditions and the following disclaimer.  
# 
# . Redistributions in binary form must reproduce the above copyright notice, 
#   this list of conditions and the following disclaimer in the documentation 
#   and/or other materials provided with the distribution.
# 
# . Neither the name of the "OpenWFE" nor the names of its contributors may be
#   used to endorse or promote products derived from this software without
#   specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
# POSSIBILITY OF SUCH DAMAGE.
#++
#
# $Id$
#

#
# "made in Japan"
#
# John Mettraux at openwfe.org
#

require 'irb'
require 'irb/completion'

#
# borrowing ideas from 
#
# http://groups.google.com/group/ruby-talk-google/browse_frm/thread/60ef4f8cff701e14/26ae883a7cc1da7f


module OpenWFE

    #
    # Binds the SIGINT signal so that a console is opened with the bindings
    # specified in 'args'.
    #
    def OpenWFE.trap_int_irb (*args)
        trap 'INT' do
            OpenWFE.start_irb_session(*args)
            #OpenWFE.trap_int_irb(*args) if $openwfe_irb
            OpenWFE.trap_int_irb(*args)
        end
    end

    protected

        def OpenWFE.start_irb_session (*args)

            IRB::setup nil unless $openwfe_irb

            ws = IRB::WorkSpace.new *args

            $openwfe_irb = IRB::Irb.new ws

            IRB::conf[:MAIN_CONTEXT] = $openwfe_irb.context

            trap 'INT' do
                $openwfe_irb.signal_handle
            end

            $openwfe_irb.eval_input

            puts "\nbye!"
        end
end