v4 v5: dal, collapsed levels implementedsisu_4.2.8

* convenience, collapse sisu's dual level document structure for output of
  markup with straight linear structure

3 files changed, 51 insertions, 7 deletions

diff --git a/lib/sisu/v4/dal.rb b/lib/sisu/v4/dal.rb
index ca2429b1..839e4c9a 100644
--- a/lib/sisu/v4/dal.rb
+++ b/lib/sisu/v4/dal.rb
@@ -290,6 +290,25 @@ module SiSU_DAL
         SiSU_Screen::Ansi.new(@opt.cmd,"dal -> #{cf.meta}").txt_grey if @opt.cmd =~/M/
       end
       dal.each {|s| dal_array << s}
+      if @opt.cmd =~/M/
+        dal_array.each do |obj|
+          if defined? obj.parent
+            if defined? obj.ln
+              if defined? obj.node
+                puts %{#{obj.ln}: #{obj.ocn} : #{obj.parent} : #{obj.node} - #{obj.lc}}
+              else
+                puts %{#{obj.ln}: #{obj.ocn} : #{obj.parent}}
+              end
+            else
+              if defined? obj.node
+                puts %{   #{obj.ocn} : #{obj.parent} : #{obj.node} - #{obj.lc}}
+              else
+                puts %{   #{obj.ocn} : #{obj.parent}}
+              end
+            end
+          end
+        end
+      end
       dal_array
     end
     def read_fnm
diff --git a/lib/sisu/v4/dal_doc_objects.rb b/lib/sisu/v4/dal_doc_objects.rb
index 8fdd8068..0561b363 100644
--- a/lib/sisu/v4/dal_doc_objects.rb
+++ b/lib/sisu/v4/dal_doc_objects.rb
@@ -99,10 +99,10 @@ module SiSU_DAL_DocumentStructure
     end
   end
   class ObjectHeading
-    attr_accessor :obj,:is,:tags,:of,:lv,:ln,:toc_,:name,:idx,:ocn,:odv,:osp,:node,:parent,:ocn_,:note_,:autonum_,:digest,:tmp
+    attr_accessor :obj,:is,:tags,:of,:lv,:ln,:lc,:toc_,:name,:idx,:ocn,:odv,:osp,:node,:parent,:ocn_,:note_,:autonum_,:digest,:tmp
     def initialize
       @of=:para
-      @is=@obj=@lv=@ln=@toc_=@name=@idx=@size=@ocn=@odv=@osp=@node=@parent=@ocn_=@note_=@autonum_=@digest=@tmp=nil
+      @is=@obj=@lv=@ln=@lc=@toc_=@name=@idx=@size=@ocn=@odv=@osp=@node=@parent=@ocn_=@note_=@autonum_=@digest=@tmp=nil
       @tags=[]
     end
     def heading_ln(lv)
@@ -152,6 +152,7 @@ module SiSU_DAL_DocumentStructure
       parent= h[:parent]  || ((defined? o.parent)    ? o.parent  : nil)        #[Node parent]
       lv=     h[:lv]      || ((defined? o.lv)        ? o.lv      : nil)        #Alpha-numeric, document structure as used in markup, A-C then 1-6
       ln=     h[:ln]      || ((defined? o.ln)        ? o.ln      : nil)        #Integer, document structure level, for convenience in processing 1-9
+      lc=     h[:lc]      || ((defined? o.lc)        ? o.lc      : nil)        #Integer, document structure collapsed level, convenience (collapse sisu's dual level document structure for markup with simple linear structure)
       toc_=   h[:toc_]    || ((defined? o.toc_)      ? o.toc_    : false)      #Bool, do not include in toc, (relevant to headings)
       ocn_=if h[:ocn_].nil? then ((defined? o.ocn_)  ? o.ocn_    : true)       #Bool? no ocn, non-substantive content, do not include in toc #consider
       else  h[:ocn_]
@@ -162,7 +163,7 @@ module SiSU_DAL_DocumentStructure
       note_=  h[:note_]   || ((defined? o.note_)     ? o.note_   : false)      #Bool, endnotes/footnotes? (processing optimization)
       digest= h[:digest]  || ((defined? o.digest)    ? o.digest  : nil)        #hash digests, either sha256 or md5
       tmp=    h[:tmp]     || ((defined? o.tmp)       ? o.tmp     : nil)        #available for processing, empty after use
-      @of,@is,@lv,@ln,@name,@tags,@obj,@idx,@ocn,@odv,@osp,@node,@parent,@toc_,@ocn_,@note_,@autonum_,@digest,@tmp=of,is,lv,ln,name,tags,obj,idx,ocn,odv,osp,node,parent,toc_,ocn_,note_,autonum_,digest,tmp
+      @of,@is,@lv,@ln,@lc,@name,@tags,@obj,@idx,@ocn,@odv,@osp,@node,@parent,@toc_,@ocn_,@note_,@autonum_,@digest,@tmp=of,is,lv,ln,lc,name,tags,obj,idx,ocn,odv,osp,node,parent,toc_,ocn_,note_,autonum_,digest,tmp
       self
     end
     def heading_insert(h,o=nil)
@@ -390,10 +391,10 @@ module SiSU_DAL_DocumentStructure
     end
   end
   class ObjectStructure
-    attr_accessor :obj,:tag,:node,:lv,:ln,:status,:is,:of,:tmp
+    attr_accessor :obj,:tag,:node,:lv,:ln,:lc,:status,:is,:of,:tmp
     def initialize
       @of=:structure
-      @is=@obj=@node=@lv=@ln=@status=@tmp=nil
+      @is=@obj=@node=@lv=@ln=@lc=@status=@tmp=nil
     end
     def xml_dom(h,o=nil)
       of=     @of                                                              #String, classification - group
@@ -401,10 +402,11 @@ module SiSU_DAL_DocumentStructure
       obj=    h[:obj]     || ((defined? o.obj)       ? o.obj     : '')         #String, text content
       lv=     h[:lv]      || ((defined? o.lv)        ? o.lv      : nil)        #Alpha-numeric, document structure as used in markup, A-C then 1-6
       ln=     h[:ln]      || ((defined? o.ln)        ? o.ln      : nil)        #Integer, document structure level, for convenience in processing 1-9
+      lc=     h[:lc]      || ((defined? o.lc)        ? o.lc      : nil)        #Integer, document structure collapsed level, convenience (collapse sisu's dual level document structure for markup with simple linear structure)
       node=   h[:node]    || ((defined? o.node)      ? o.node    : nil)        #[Node relationship doc structure info]
       status= h[:status]  || ((defined? o.status)    ? o.status  : nil)        #tag status open or close
       tmp=    h[:tmp]     || ((defined? o.tmp)       ? o.tmp     : nil)        #available for processing, empty after use
-      @of,@is,@obj,@status,@node,@lv,@ln,@tmp=of,is,obj,status,node,lv,ln,tmp
+      @of,@is,@obj,@status,@node,@lv,@ln,@lc,@tmp=of,is,obj,status,node,lv,ln,lc,tmp
       self
     end
   end
diff --git a/lib/sisu/v4/dal_doc_str.rb b/lib/sisu/v4/dal_doc_str.rb
index 552163a2..8a177569 100644
--- a/lib/sisu/v4/dal_doc_str.rb
+++ b/lib/sisu/v4/dal_doc_str.rb
@@ -802,6 +802,7 @@ module SiSU_DAL_DocumentStructureExtract
       node=ocn=ocn_dv=ocn_sp=ocnh=ocnh1=ocnh2=ocnh3=ocnh4=ocnh5=ocnh6=ocno=ocnp=ocnt=ocnc=ocng=ocni=ocnu=0 # h heading, o other, t table, g group, i image
       regex_exclude_ocn_and_node = /#{Rx[:meta]}|^@\S+?:\s|^4~endnotes|^#{Mx[:lv_o]}4:endnotes#{Mx[:lv_c]}|^\^~ |<:e[:_]\d+?>|^<:\#|<:- |<[:!]!4|<hr width|#{Mx[:br_endnotes]}|\A\s*\Z/mi #ocn here #&nbsp; added with Tune.code #¡
       parent=node1=node2=node3=node4=node5=node6=nil
+      @collapsed_lv1=1
       data.each do |dob|
         h={}
         if (dob.obj !~ regex_exclude_ocn_and_node || dob.is==:code) \
@@ -839,81 +840,103 @@ module SiSU_DAL_DocumentStructureExtract
               if ln==1 \
               or ln=~@md.lv1; ocnh1+=1                     #heading
                 node1="1:#{ocnh1};#{ocn}"
+                @collapsed_lv1=1
+                collapsed_level=@collapsed_lv1
                 node,ocn_sp,parent=node1,"h#{ocnh}",0 #FIX
               elsif ln==2 \
               or ln=~@md.lv2; ocnh2+=1
                 node2="2:#{ocnh2};#{ocn}"
                 parent=if node1
+                  @collapsed_lv2=@collapsed_lv1+1
                   node1
                 else
                   0
                 end
+                collapsed_level=@collapsed_lv2
                 node,ocn_sp=node2,"h#{ocnh}"
               elsif ln==3 \
               or ln=~@md.lv3; ocnh3+=1
                 node3="3:#{ocnh3};#{ocn}"
                 parent=if node2
+                  @collapsed_lv3=@collapsed_lv2+1
                   node2
                 elsif node1
                   puts "warning, incorrect parent or node level, parent is :A~ parent should be :B~ else this node should be :B~ rather than :C~" unless @md.opt.cmd=~/q/
+                  @collapsed_lv3=@collapsed_lv1+1
                   node1
                 else
                   puts "warning, incorrect node and or parent level" unless @md.opt.cmd=~/q/
                   0
                 end
+                collapsed_level=@collapsed_lv3
                 node,ocn_sp=node3,"h#{ocnh}"
               elsif ln==4 \
               or ln=~@md.lv4; ocnh4+=1
                 node4="4:#{ocnh4};#{ocn}"
                 parent=if node3
+                  @collapsed_lv4=@collapsed_lv3+1
                   node3
                 elsif node2
+                  @collapsed_lv4=@collapsed_lv2+1
                   node2
                 elsif node1
+                  @collapsed_lv4=@collapsed_lv1+1
                   node1
                 else
                   puts "warning, incorrect node and or parent level" unless @md.opt.cmd=~/q/
                   0
                 end
+                collapsed_level=@collapsed_lv4
                 node,ocn_sp=node4,"h#{ocnh}"
               elsif ln==5 \
               or ln=~@md.lv5; ocnh5+=1
                 node5="5:#{ocnh5};#{ocn}"
                 parent=if node4
+                  @collapsed_lv5=@collapsed_lv4+1
                   node4
                 elsif node3
                   puts "warning, incorrect node and or parent level" unless @md.opt.cmd=~/q/
+                  @collapsed_lv5=@collapsed_lv3+1
                   node3
                 elsif node2
                   puts "warning, incorrect node and or parent level" unless @md.opt.cmd=~/q/
+                  @collapsed_lv5=@collapsed_lv2+1
                   node2
                 elsif node1
                   puts "warning, incorrect node and or parent level" unless @md.opt.cmd=~/q/
+                  @collapsed_lv5=@collapsed_lv1+1
                   node1
                 else
                   0
                 end
+                collapsed_level=@collapsed_lv5
                 node,ocn_sp=node5,"h#{ocnh}"
               elsif ln==6 \
               or ln=~@md.lv6; ocnh6+=1
                 node6="6:#{ocnh6};#{ocn}"
                 parent=if node5
+                  @collapsed_lv6=@collapsed_lv5+1
                   node5
                 elsif node4
                   puts "warning, incorrect parent or node level, parent is 4~ parent should be 5~ else this node should be 5~ rather than 6~" unless @md.opt.cmd=~/q/
+                  @collapsed_lv6=@collapsed_lv4+1
                   node4
                 elsif node3
                   puts "warning, incorrect node and or parent level" unless @md.opt.cmd=~/q/
+                  @collapsed_lv6=@collapsed_lv3+1
                   node3
                 elsif node2
                   puts "warning, incorrect node and or parent level" unless @md.opt.cmd=~/q/
+                  @collapsed_lv6=@collapsed_lv2+1
                   node2
                 elsif node1
                   puts "warning, incorrect node and or parent level" unless @md.opt.cmd=~/q/
+                  @collapsed_lv6=@collapsed_lv1+1
                   node1
                 else
                   0
                 end
+                collapsed_level=@collapsed_lv6
                 node,ocn_sp=node6,"h#{ocnh}"
               end
             else
@@ -938,7 +961,7 @@ module SiSU_DAL_DocumentStructureExtract
               end
             end
             if dob.is==:heading
-              dob.ln,dob.node,dob.ocn,dob.odv,dob.osp,dob.parent=ln,node,ocn,ocn_dv,ocn_sp,parent
+              dob.ln,dob.node,dob.ocn,dob.odv,dob.osp,dob.parent,dob.lc=ln,node,ocn,ocn_dv,ocn_sp,parent,collapsed_level
             else
               if dob.of !=:meta \
               && dob.of !=:comment \