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authorRalph Amissah <ralph@amissah.com>2015-04-21 14:45:52 -0400
committerRalph Amissah <ralph@amissah.com>2015-05-01 18:49:41 -0400
commit960c3088bc88f2db879154053280b06c160d4d70 (patch)
tree624e14806190ac7edcd1400e8e2142ffba17afec /lib/sisu/utils_response.rb
parentversion & changelog v7 (diff)
lib/sisu/*, single libs directory (c&d gone) (7)
* removed lib/sisu/{current,develop} dir branches v7 (v5 & v6 retired) * simplify dir structure, offer single version per snapshot * have enjoyed carrying stable and development versions v5 & v6 in a single tarball, may return to this structure
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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/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__