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-# encoding: utf-8
-=begin
-
-* Name: SiSU
-
-** Description: documents, structuring, processing, publishing, search
-*** Request response
-
-** Author: Ralph Amissah
- <ralph@amissah.com>
- <ralph.amissah@gmail.com>
-
-** Copyright: (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
- 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Ralph Amissah,
- All Rights Reserved.
-
-** License: GPL 3 or later:
-
- SiSU, a framework for document structuring, publishing and search
-
- Copyright (C) Ralph Amissah
-
- This program is free software: you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the Free
- Software Foundation, either version 3 of the License, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful, but WITHOUT
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- more details.
-
- You should have received a copy of the GNU General Public License along with
- this program. If not, see <http://www.gnu.org/licenses/>.
-
- If you have Internet connection, the latest version of the GPL should be
- available at these locations:
- <http://www.fsf.org/licensing/licenses/gpl.html>
- <http://www.gnu.org/licenses/gpl.html>
-
- <http://www.sisudoc.org/sisu/en/manifest/gpl.fsf.html>
-
-** SiSU uses:
- * Standard SiSU markup syntax,
- * Standard SiSU meta-markup syntax, and the
- * Standard SiSU object citation numbering and system
-
-** Hompages:
- <http://www.jus.uio.no/sisu>
- <http://www.sisudoc.org>
-
-** Git
- <http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
- <http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=blob;f=lib/sisu/current/utils_response.rb;hb=HEAD>
-
-=end
-module SiSU_Response
- def available_selections_
- %{'yes', 'no', 'quit' or 'exit'; [ynqx]}
- end
- def response?(ask)
- response='redo'
- print ask + %{ [#{available_selections_}]: }
- response=File.new('/dev/tty').gets.strip
- case response
- when /^(?:y|yes)$/ then true
- when /^(?:n|no)$/ then false
- when /^(?:[qx]|quit|exit)$/ then exit
- else puts %{[please type: #{available_selections_}]}
- response?(ask)
- end
- end
- def query
- def selections_available_(selections=:strict)
- short_options=(selections == :strict) ? '' : '; [ynqx]'
- %{'yes', 'no', 'quit' or 'exit'#{short_options}}
- end
- def selection_options
- def response_strict(resp)
- case resp
- when /^(?:yes)$/ then true
- when /^(?:no)$/ then false
- when /^(?:quit|exit)$/ then exit
- else
- puts %{response was: #{resp}}
- puts %{[please type to select: #{selections_available_(:strict)}]}
- answer?('',:strict)
- end
- end
- def response_short(resp)
- case resp
- when /^(?:y|yes)$/ then true
- when /^(?:n|no)$/ then false
- when /^(?:[qx]|quit|exit)$/ then exit
- else
- puts %{response was: #{resp}}
- puts %{[please type to select: #{selections_available_(:short)}]}
- answer?('',:short)
- end
- end
- self
- end
- def answer?(ask,selections=:strict)
- resp='redo'
- print ask + %{PROCEED? [#{selections_available_(selections)}]: }
- resp=File.new('/dev/tty').gets.strip
- (selections==:strict) \
- ? selection_options.response_strict(resp)
- : selection_options.response_short(resp)
- end
- self
- end
-end
-__END__