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diff --git a/lib/sisu/digests.rb b/lib/sisu/digests.rb
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+# encoding: utf-8
+=begin
+
+* Name: SiSU
+
+** Description: documents, structuring, processing, publishing, search
+*** document digests (md5|sha256) and structure processing
+
+** 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/digests.rb;hb=HEAD>
+
+=end
+module SiSU_DigestView
+ require_relative 'se_hub_particulars' # se_hub_particulars.rb
+ require_relative 'prog_text_translation' # prog_text_translation.rb
+ require_relative 'shared_markup_alt.rb' # shared_markup_alt.rb
+ class Source
+ @@dg=nil
+ def initialize(opt)
+ @opt=opt
+ @fnb=@opt.fnb
+ @@endnotes_para=[]
+ @@dg=nil
+ @dg=@@dg ||=SiSU_Env::InfoEnv.new.digest(opt).type
+ @particulars=SiSU_Particulars::CombinedSingleton.instance.get_all(opt)
+ end
+ def read
+ begin
+ @env,@md,@ao_array=@particulars.env,@particulars.md,@particulars.ao_array
+ unless @opt.act[:quiet][:set]==:on
+ tool=(@opt.act[:verbose][:set]==:on \
+ || @opt.act[:verbose_plus][:set]==:on \
+ || @opt.act[:maintenance][:set]==:on) \
+ ? "#{@env.program.text_editor} file://#{@md.file.output_path.hash_digest.dir}/#{@md.file.base_filename.hash_digest}"
+ : "[#{@opt.f_pth[:lng_is]}] #{@opt.fno}"
+ (@opt.act[:verbose][:set]==:on \
+ || @opt.act[:verbose_plus][:set]==:on \
+ || @opt.act[:maintenance][:set]==:on) \
+ ? SiSU_Screen::Ansi.new(
+ @opt.act[:color_state][:set],
+ "Document #{@dg} Digests",
+ tool
+ ).green_hi_blue
+ : SiSU_Screen::Ansi.new(
+ @opt.act[:color_state][:set],
+ "Document #{@dg} Digests",
+ tool
+ ).green_title_hi
+ if @opt.act[:verbose_plus][:set]==:on \
+ or @opt.act[:maintenance][:set]==:on
+ SiSU_Screen::Ansi.new(
+ @opt.act[:color_state][:set],
+ @opt.fns,
+ "file://#{@md.file.output_path.hash_digest.dir}/#{@md.file.base_filename.hash_digest}"
+ ).flow
+ end
+ end
+ if SiSU_Env::SystemCall.new.openssl
+ SiSU_DigestView::Source::Scroll.new(@particulars).songsheet
+ else
+ SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).error('*EXITED* hash digests will not run without openssl')
+ end
+ rescue
+ SiSU_Errors::Rescued.new($!,$@,@opt.selections.str,@opt.fns).location do
+ __LINE__.to_s + ':' + __FILE__
+ end
+ ensure
+ end
+ end
+ private
+ class Scroll <Source
+ @@dl=nil
+ @@ds={
+ digests_clean: [],
+ digests_with_markup: [],
+ tree: [],
+ summary: [],
+ }
+ @@description,@@sc_info=[],[]
+ def initialize(particulars)
+ @particulars=particulars
+ @data,@env,@md=@particulars.ao_array,@particulars.env,@particulars.md
+ SiSU_Env::FileOp.new(@md).mkdir
+ @@dg ||=@env.digest(@md.opt).type
+ @@dl ||=@env.digest(@md.opt).length
+ @dg,@dl=@@dg,@@dl
+ l=SiSU_Env::StandardiseLanguage.new(@md.opt.lng).language
+ @language=l[:n]
+ @tr=SiSU_Translate::Source.new(@md,@language)
+ @sp=' '
+ end
+ def songsheet
+ @@description,@@ds[:digests_clean],@@ds[:digests_with_markup],@@ds[:tree],@@ds[:summary],@@sc_info=[],[],[],[],[],[]
+ message_digest
+ ao_structure
+ supplementary
+ output
+ end
+ def spaces
+ Ax[:spaces]
+ end
+ def description(f,e='')
+ puts f + e.to_s if @md.opt.act[:verbose_plus][:set]==:on
+ @@description << f << e
+ end
+ def digests_clean(f,e='')
+ puts f if @md.opt.act[:verbose_plus][:set]==:on
+ @@ds[:digests_clean] << f + "\n"
+ end
+ def digests_with_markup(f)
+ puts f if @md.opt.act[:verbose_plus][:set]==:on
+ @@ds[:digests_with_markup] << f + "\n"
+ end
+ def ao_structure_tree(f,e='')
+ puts f + e.to_s if @md.opt.act[:verbose_plus][:set]==:on
+ @@ds[:tree] << f << e
+ end
+ def ao_structure_summary(f,e='')
+ puts f + e.to_s if @md.opt.act[:verbose_plus][:set]==:on
+ @@ds[:summary] << f << e
+ end
+ def rcinfo(f,e='')
+ puts f + e.to_s if @md.opt.act[:verbose_plus][:set]==:on
+ @@sc_info << f << e
+ end
+ def output
+ file=SiSU_Env::FileOp.new(@md)
+ filename_digest=file.write_file.hash_digest
+ filename_digest << @@description.join << @@ds[:digests_clean].join << @@ds[:digests_with_markup].join << @@ds[:tree].join << @@ds[:summary].join << @@sc_info.join
+ end
+ def rgx_txt(txt)
+ txt=txt.gsub(/([()])/,"\\\\\\1")
+ end
+ def message_digest
+ @p=[]
+ @g,@v,@r='','',''
+ manifest="#{@env.url.root}/#{@md.fnb}/sisu_manifest.html"
+ description("#{@md.title.full}\n")
+ description("#{@md.author}\n")
+ description("#{@md.fns}\n")
+ description("----------------------------------------------\n")
+ description("SiSU Document Content Certificate (Digest/DCC)\n")
+ description("----------------------------------------------\n")
+ description(" #{@dg} digests\n")
+ description("------------\n")
+ description("Sourcefile digest: #{@md.dgst[1]}\n")
+ description(" source filename: #{@md.fns}\n")
+ description("available outputs: #{manifest}\n")
+ description("------------\n")
+ description("Document Digests\n")
+ end
+ def ao_structure
+ a=%{\nocn digests (#{@dg}) clean text (stripped markup)}
+ digests_clean(a)
+ data=@data
+ endnotes=nil
+ data.each do |t_o|
+ dgst=SiSU_TextRepresentation::ModifiedTextPlusHashDigest.new(@md,t_o).composite.dgst
+ if dgst
+ if t_o.is==:heading
+ digests_clean("#{@sp*0}#{dgst[:ocn]}#{@sp*(8-dgst[:ocn].to_s.length)}#{dgst[:dgst_stripped_txt]} #{dgst[:is]} #{t_o.lv}")
+ elsif t_o.is==:heading_insert
+ digests_clean("#{@sp*0}[#{dgst[:ocn]}]#{@sp*(6-dgst[:ocn].to_s.length)}#{dgst[:dgst_stripped_txt]} #{dgst[:is]} #{t_o.lv}")
+ else
+ digests_clean("#{@sp*0}#{dgst[:ocn]}#{@sp*(8-dgst[:ocn].to_s.length)}#{dgst[:dgst_stripped_txt]} #{dgst[:is]}")
+ if dgst[:images]
+ dgst[:images].each do |img|
+ digests_clean("#{@sp*8}#{img[:img_dgst]}#{@sp*66}#{img[:img_type]} #{img[:img_name]}")
+ end
+ end
+ end
+ if dgst[:endnotes]
+ dgst[:endnotes].each do |en|
+ digests_clean("#{@sp*8}#{en[:note_dgst]} note [#{en[:note_number]}]")
+ endnotes=en[:note_number]
+ end
+ end
+ end
+ end
+ b=%{\nocn object (#{@dg}) digests (object includes its markup & endnotes (if any))}
+ digests_with_markup(b)
+ data.each do |t_o|
+ dgst=SiSU_TextRepresentation::ModifiedTextPlusHashDigest.new(@md,t_o).composite.dgst
+ if dgst
+ if t_o.is==:heading
+ digests_with_markup("#{@sp*0}#{dgst[:ocn]}#{@sp*(8-dgst[:ocn].to_s.length)}#{dgst[:dgst_markedup_txt]} #{dgst[:is]} #{t_o.lv}")
+ elsif t_o.is==:heading_insert
+ digests_with_markup("#{@sp*0}[#{dgst[:ocn]}]#{@sp*(6-dgst[:ocn].to_s.length)}#{dgst[:dgst_markedup_txt]} #{dgst[:is]} #{t_o.lv}")
+ else
+ digests_with_markup("#{@sp*0}#{dgst[:ocn]}#{@sp*(8-dgst[:ocn].to_s.length)}#{dgst[:dgst_markedup_txt]} #{dgst[:is]}")
+ end
+ end
+ end
+ l=Hash.new(0)
+ ocn=nil
+ ao_structure_tree("------------\n")
+ ao_structure_tree("document structure[*]\n")
+ data.each do |t_o|
+ if t_o.is==:heading
+ x=case t_o.ln
+ when 0 then l[0] +=1
+ spaces*0 << ':A'
+ when 1 then l[1] +=1
+ spaces*1 << ':B'
+ when 2 then l[2] +=1
+ spaces*2 << ':C'
+ when 3 then l[3] +=1
+ spaces*3 << ':D'
+ when 4 then l[4] +=1
+ spaces*4 << '1'
+ when 5 then l[5] +=1
+ spaces*5 << '2'
+ when 6 then l[6] +=1
+ spaces*6 << '3'
+ else nil
+ end
+ end
+ ocn=t_o.ocn if defined? t_o.ocn and t_o.is !=:heading_insert
+ ao_structure_tree("#{x}\n") if x and not x.empty?
+ end
+ ao_structure_tree(" [*] heading levels\n")
+ ao_structure_summary("------------\n")
+ ao_structure_summary("document structure[*]\n")
+ [0,1,2,3,4,5,6].each do |y|
+ v=case y
+ when 0 then ':A'
+ when 1 then ':B'
+ when 2 then ':C'
+ when 3 then ':D'
+ when 4 then '1 '
+ when 5 then '2 '
+ when 6 then '3 '
+ end
+ ao_structure_summary("#{v} = #{l[y]}\n") if l[y] > 0
+ end
+ ao_structure_summary("objects (ocn) = #{ocn}\n")
+ ao_structure_summary("endnotes = #{endnotes}\n")
+ ao_structure_summary(" [*] number of headers (@) and of each heading level (:A to :D and 1 to 3)\n")
+ end
+ def supplementary
+ if defined? @md.sc_number \
+ and @md.sc_number
+ rcinfo("------------\n")
+ rcinfo("source control information\n")
+ rcinfo(" (the following information while not important for document content certification\n may help the publisher in locating the version referred to)\n")
+ rcinfo(" rcs version number: #{@md.sc_number}\n")
+ if defined? @md.sc_date \
+ and @md.sc_date
+ rcinfo(" rcs date: #{@md.sc_date}\n")
+ end
+ if defined? @md.sc_time \
+ and @md.sc_time
+ rcinfo(" rcs time: #{@md.sc_time}\n")
+ end
+ end
+ rcinfo("------------\n")
+ rcinfo("Note: the time generated related fields (text and digests) will vary between otherwise identical document outputs\n")
+ end
+ end
+ end
+end
+__END__