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+# encoding: utf-8
+=begin
+
+* Name: SiSU
+
+** Description: documents, structuring, processing, publishing, search
+*** A conversion script for canned substitutions, a fairly generic simple tool
+ that can be used to store other canned conversions, used here for altering
+ SiSU markup
+
+** 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/dp_identify_markup.rb;hb=HEAD>
+
+=end
+module SiSU_MarkupType
+ class MarkupIdentify
+ @@version={}
+ @@fns,@@version[:determined],@@version[:declared],@@declared_doc_type='','','','[text?]'
+ attr_accessor :version,:declared_doc_type
+ def initialize(content,opt)
+ @cont,@opt=content,opt
+ end
+ def identify
+ @version,@declared_doc_type=@@version,@@declared_doc_type
+ if @opt.fns != @@fns
+ if @cont[0] =~ /^(?:%\s+)?SiSU\s+(text|master|insert)\s+([0-9](?:\.[0-9]+){1,2})/ \
+ or @cont[0] =~ /^(?:%\s+)?sisu-([0-9](?:\.[0-9]+){1,2})/
+ @declared_doc_type,@version[:declared]=$1,$2
+ elsif @cont[0] =~ /^(?:%\s+)?SiSU\s+([0-9](?:\.[0-9]+){1,2})/ \
+ or @cont[0] =~ /^(?:%\s+)?sisu-([0-9](?:\.[0-9]+){1,2})/
+ @version[:declared]=$1
+ end
+ @flag_2_0,@flag_66,@flag_57,@flag_38=false,false,false,false
+ @cont.each_with_index do |y,i|
+ if y =~/^@make:|^@classify|^\s\s?:\S+?:\s+\S/
+ version=2.0.to_f
+ @version[:determined]=version
+ @flag_2_0=true
+ break
+ end
+ unless @flag_38
+ if y =~/^:?A~/
+ version=0.38.to_f
+ @version[:determined]=version
+ @flag_38=true
+ end
+ end
+ if @flag_38
+ if @flag_69 \
+ or y =~/^=\{.+?\}\s*$/
+ version=0.69.to_f
+ @flag_69=true
+ @version[:determined]=version
+ break
+ end
+ if @flag_66 \
+ or y =~/[:;]\{.+?\}[:;][a-z+]/
+ version=0.66.to_f
+ @flag_66=true
+ @version[:determined]=version
+ break
+ end
+ end
+ end
+ @flag_57,@flag_38=false,false
+ unless @flag_2_0 \
+ or @flag_66 \
+ or @flag_69
+ @cont.each_with_index do |y,i|
+ if @flag_57 \
+ or y =~/^:?A~\?? @title/
+ @version[:determined]=0.57.to_f
+ @flag_57=true
+ break
+ end
+ if @flag_38 \
+ or y =~/^:?A~/
+ @version[:determined]=0.38.to_f
+ @flag_38=true
+ break if i >= 200
+ if y =~ /(?:~{\*+|~\[\*|~\[\+)\s/
+ @version[:determined]=0.42 #0.38 can safely be treated as 0.42
+ break
+ end
+ end
+ if y =~/^0~/ \
+ and not @flag_38
+ @version[:determined]=0.16.to_f
+ break
+ end
+ end
+ end
+ @@fns=@opt.fns
+ @@version,@@declared_doc_type=@version,@declared_doc_type
+ end
+ self
+ end
+ def markup_version?
+ def determined
+ identify.version[:determined].to_f
+ end
+ def series
+ s=case identify.version[:determined].to_s
+ when /^[01]\./ then '1.0'
+ when /^[2]\./ then '2.0'
+ else '2.0'
+ end
+ "series #{s}"
+ end
+ def declared
+ identify.version[:declared].to_f
+ end
+ self
+ end
+ end
+end
+__END__