obj.metainfo node type info, ancestors

5 files changed, 396 insertions, 161 deletions

diff --git a/src/sdp/meta/doc_debugs.d b/src/sdp/meta/doc_debugs.d
index c8b9dc1..bc781ee 100644
--- a/src/sdp/meta/doc_debugs.d
+++ b/src/sdp/meta/doc_debugs.d
@@ -120,7 +120,7 @@ template SiSUdebugs() {
         foreach (obj; contents[sect]) {
           if (obj.metainfo.is_a == "heading") {
             foreach_reverse (k; 0 .. 7) {
-              switch (obj.dom_markedup[k]) {
+              switch (obj.dom_structure_markedup_tags_status[k]) {
               case DomTags.close :
                 writeln(markup.indent_by_spaces_provided(k), "</", k, ">");
                 break;
@@ -147,7 +147,7 @@ template SiSUdebugs() {
         foreach (obj; contents[sect]) {
           if (obj.metainfo.is_a == "heading") {
             foreach_reverse (k; 0 .. 7) {
-              switch (obj.dom_collapsed[k]) {
+              switch (obj.dom_structure_collapsed_tags_status[k]) {
               case DomTags.close :
                 writeln(markup.indent_by_spaces_provided(k), "</", k, ">");
                 break;
diff --git a/src/sdp/meta/metadoc_from_src.d b/src/sdp/meta/metadoc_from_src.d
index 9c01a47..ee82257 100644
--- a/src/sdp/meta/metadoc_from_src.d
+++ b/src/sdp/meta/metadoc_from_src.d
@@ -79,10 +79,10 @@ template SiSUdocAbstraction() {
   OCNset obj_cite_digits;
   int obj_cite_digit_, obj_cite_digit_off, obj_cite_digit_bkidx, obj_cite_digit_type;
   auto object_citation_number = OCNemitter();
-  int[] dom_markedup         = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
-  int[] dom_markedup_buffer  = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
-  int[] dom_collapsed        = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
-  int[] dom_collapsed_buffer = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
+  int[] dom_structure_markedup_tags_status         = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
+  int[] dom_structure_markedup_tags_status_buffer  = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
+  int[] dom_structure_collapsed_tags_status        = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
+  int[] dom_structure_collapsed_tags_status_buffer = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
   enum DomTags { none, open, close, close_and_open, open_still, }
   pure auto obj_heading_ancestors(O)(
     O          obj,
@@ -178,7 +178,7 @@ template SiSUdocAbstraction() {
     debug(dom_magic_numbers) {
       writeln("marked up: ", lev, ": ", dom);
     }
-    obj.metainfo.dom_markedup = dom.dup;
+    obj.metainfo.dom_structure_markedup_tags_status = dom.dup;
     return obj;
   }
   pure auto obj_dom_set_collapsed_tags(O)(
@@ -222,7 +222,7 @@ template SiSUdocAbstraction() {
     debug(dom_magic_numbers) {
       writeln("collapsed: ", lev, ": ", dom);
     }
-    obj.metainfo.dom_collapsed = dom.dup;
+    obj.metainfo.dom_structure_collapsed_tags_status = dom.dup;
     return obj;
   }
   static auto ocn_emit(int ocn_status_flag) {
@@ -323,27 +323,27 @@ template SiSUdocAbstraction() {
     ];
     string _anchor_tag;
     string toc_txt_;
-    an_object["glossary_nugget"]                     = "";
-    an_object["blurb_nugget"]                        = "";
-    comp_obj_heading_                                = comp_obj_heading_.init;
-    comp_obj_heading_.metainfo.is_of_part            = "frontmatter";
-    comp_obj_heading_.metainfo.is_of_section         = "toc";
-    comp_obj_heading_.metainfo.is_of_type            = "para";
-    comp_obj_heading_.metainfo.is_a                  = "heading";
-    comp_obj_heading_.text                           = "Table of Contents";
-    comp_obj_heading_.metainfo.ocn                   = 0;
-    comp_obj_heading_.metainfo.object_number_off     = "";
-    comp_obj_heading_.metainfo.object_number_type    = 0;
-    comp_obj_heading_.tags.segment_anchor_tag        = "toc";
-    comp_obj_heading_.metainfo.heading_lev_markup    = 4;
-    comp_obj_heading_.metainfo.heading_lev_collapsed = 1;
-    comp_obj_heading_.metainfo.parent_ocn            = 1;
-    comp_obj_heading_.metainfo.parent_lev_markup     = 0;
-    comp_obj_heading_.ptr.html_segnames              = html_segnames_ptr;
-    comp_obj_heading_.tags.anchor_tags               = ["toc"];
-    comp_obj_heading_.metainfo.dom_markedup          = [ 1, 1, 0, 0, 1, 0, 0, 0];
-    comp_obj_heading_.metainfo.dom_collapsed         = [ 1, 1, 1, 0, 0, 0, 0, 0];
-    auto toc_head                                    = comp_obj_heading_;
+    an_object["glossary_nugget"]                                   = "";
+    an_object["blurb_nugget"]                                      = "";
+    comp_obj_heading_                                              = comp_obj_heading_.init;
+    comp_obj_heading_.metainfo.is_of_part                          = "frontmatter";
+    comp_obj_heading_.metainfo.is_of_section                       = "toc";
+    comp_obj_heading_.metainfo.is_of_type                          = "para";
+    comp_obj_heading_.metainfo.is_a                                = "heading";
+    comp_obj_heading_.text                                         = "Table of Contents";
+    comp_obj_heading_.metainfo.ocn                                 = 0;
+    comp_obj_heading_.metainfo.object_number_off                   = "";
+    comp_obj_heading_.metainfo.object_number_type                  = 0;
+    comp_obj_heading_.tags.segment_anchor_tag                      = "toc";
+    comp_obj_heading_.metainfo.heading_lev_markup                  = 4;
+    comp_obj_heading_.metainfo.heading_lev_collapsed               = 1;
+    comp_obj_heading_.metainfo.parent_ocn                          = 1;
+    comp_obj_heading_.metainfo.parent_lev_markup                   = 0;
+    comp_obj_heading_.ptr.html_segnames                            = html_segnames_ptr;
+    comp_obj_heading_.tags.anchor_tags                             = ["toc"];
+    comp_obj_heading_.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 1, 0, 0, 0];
+    comp_obj_heading_.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 1, 0, 0, 0, 0, 0];
+    auto toc_head                                                  = comp_obj_heading_;
     html_segnames_ptr_cntr++;
     the_table_of_contents_section = [
       "seg": [toc_head],
@@ -478,8 +478,8 @@ template SiSUdocAbstraction() {
               comp_obj_heading_.metainfo.heading_lev_collapsed = 1;
               comp_obj_heading_.metainfo.parent_ocn            = 1;
               comp_obj_heading_.metainfo.parent_lev_markup     = 0;
-              comp_obj_heading_.metainfo.dom_markedup          = [ 1, 1, 0, 0, 0, 0, 0, 0];
-              comp_obj_heading_.metainfo.dom_collapsed         = [ 1, 1, 0, 0, 0, 0, 0, 0];
+              comp_obj_heading_.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 0, 0, 0, 0];
+              comp_obj_heading_.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 0, 0, 0, 0, 0, 0];
               the_glossary_section                             ~= comp_obj_heading_;
               comp_obj_heading_                                = comp_obj_heading_.init;
               comp_obj_heading_.metainfo.is_of_part            = "backmatter";
@@ -495,8 +495,8 @@ template SiSUdocAbstraction() {
               comp_obj_heading_.metainfo.heading_lev_collapsed = 2;
               comp_obj_heading_.metainfo.parent_ocn            = 1;
               comp_obj_heading_.metainfo.parent_lev_markup     = 0;
-              comp_obj_heading_.metainfo.dom_markedup          = [ 1, 1, 0, 0, 1, 0, 0, 0];
-              comp_obj_heading_.metainfo.dom_collapsed         = [ 1, 1, 1, 0, 0, 0, 0, 0];
+              comp_obj_heading_.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 1, 0, 0, 0];
+              comp_obj_heading_.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 1, 0, 0, 0, 0, 0];
               comp_obj_heading_.tags.anchor_tags               = ["glossary"];
               the_glossary_section                             ~= comp_obj_heading_;
             } else {
@@ -570,41 +570,41 @@ template SiSUdocAbstraction() {
             line_occur["para"] = State.off;
             an_object_key="blurb_nugget";
             if (line.matchFirst(rgx.heading_blurb)) {
-              comp_obj_heading_                                = comp_obj_heading_.init;
-              comp_obj_heading_.metainfo.is_of_part            = "backmatter";
-              comp_obj_heading_.metainfo.is_of_section         = "blurb";
-              comp_obj_heading_.metainfo.is_of_type            = "para";
-              comp_obj_heading_.metainfo.is_a                  = "heading";
-              comp_obj_heading_.text                           = "Blurb";
-              comp_obj_heading_.metainfo.ocn                   = 0;
-              comp_obj_heading_.metainfo.object_number_off     = "";
-              comp_obj_heading_.metainfo.object_number_type    = 0;
-              comp_obj_heading_.tags.segment_anchor_tag        = "_part_blurb";
-              comp_obj_heading_.metainfo.heading_lev_markup    = 1;
-              comp_obj_heading_.metainfo.heading_lev_collapsed = 1;
-              comp_obj_heading_.metainfo.parent_ocn            = 1;
-              comp_obj_heading_.metainfo.parent_lev_markup     = 0;
-              comp_obj_heading_.metainfo.dom_markedup          = [ 1, 1, 0, 0, 0, 0, 0, 0];
-              comp_obj_heading_.metainfo.dom_collapsed         = [ 1, 1, 0, 0, 0, 0, 0, 0];
-              the_blurb_section                                ~= comp_obj_heading_;
-              comp_obj_heading_                                = comp_obj_heading_.init;
-              comp_obj_heading_.metainfo.is_of_part            = "backmatter";
-              comp_obj_heading_.metainfo.is_of_section         = "blurb";
-              comp_obj_heading_.metainfo.is_of_type            = "para";
-              comp_obj_heading_.metainfo.is_a                  = "heading";
-              comp_obj_heading_.text                           = "Blurb";
-              comp_obj_heading_.metainfo.ocn                   = 0;
-              comp_obj_heading_.metainfo.object_number_off     = "";
-              comp_obj_heading_.metainfo.object_number_type    = 0;
-              comp_obj_heading_.tags.segment_anchor_tag        = "blurb";
-              comp_obj_heading_.metainfo.heading_lev_markup    = 4;
-              comp_obj_heading_.metainfo.heading_lev_collapsed = 2;
-              comp_obj_heading_.metainfo.parent_ocn            = 1;
-              comp_obj_heading_.metainfo.parent_lev_markup     = 0;
-              comp_obj_heading_.tags.anchor_tags               = ["blurb"];
-              comp_obj_heading_.metainfo.dom_markedup          = [ 1, 1, 0, 0, 1, 0, 0, 0];
-              comp_obj_heading_.metainfo.dom_collapsed         = [ 1, 1, 1, 0, 0, 0, 0, 0];
-              the_blurb_section                                ~= comp_obj_heading_;
+              comp_obj_heading_                                              = comp_obj_heading_.init;
+              comp_obj_heading_.metainfo.is_of_part                          = "backmatter";
+              comp_obj_heading_.metainfo.is_of_section                       = "blurb";
+              comp_obj_heading_.metainfo.is_of_type                          = "para";
+              comp_obj_heading_.metainfo.is_a                                = "heading";
+              comp_obj_heading_.text                                         = "Blurb";
+              comp_obj_heading_.metainfo.ocn                                 = 0;
+              comp_obj_heading_.metainfo.object_number_off                   = "";
+              comp_obj_heading_.metainfo.object_number_type                  = 0;
+              comp_obj_heading_.tags.segment_anchor_tag                      = "_part_blurb";
+              comp_obj_heading_.metainfo.heading_lev_markup                  = 1;
+              comp_obj_heading_.metainfo.heading_lev_collapsed               = 1;
+              comp_obj_heading_.metainfo.parent_ocn                          = 1;
+              comp_obj_heading_.metainfo.parent_lev_markup                   = 0;
+              comp_obj_heading_.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 0, 0, 0, 0];
+              comp_obj_heading_.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 0, 0, 0, 0, 0, 0];
+              the_blurb_section                                              ~= comp_obj_heading_;
+              comp_obj_heading_                                              = comp_obj_heading_.init;
+              comp_obj_heading_.metainfo.is_of_part                          = "backmatter";
+              comp_obj_heading_.metainfo.is_of_section                       = "blurb";
+              comp_obj_heading_.metainfo.is_of_type                          = "para";
+              comp_obj_heading_.metainfo.is_a                                = "heading";
+              comp_obj_heading_.text                                         = "Blurb";
+              comp_obj_heading_.metainfo.ocn                                 = 0;
+              comp_obj_heading_.metainfo.object_number_off                   = "";
+              comp_obj_heading_.metainfo.object_number_type                  = 0;
+              comp_obj_heading_.tags.segment_anchor_tag                      = "blurb";
+              comp_obj_heading_.metainfo.heading_lev_markup                  = 4;
+              comp_obj_heading_.metainfo.heading_lev_collapsed               = 2;
+              comp_obj_heading_.metainfo.parent_ocn                          = 1;
+              comp_obj_heading_.metainfo.parent_lev_markup                   = 0;
+              comp_obj_heading_.tags.anchor_tags                             = ["blurb"];
+              comp_obj_heading_.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 1, 0, 0, 0];
+              comp_obj_heading_.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 1, 0, 0, 0, 0, 0];
+              the_blurb_section                                              ~= comp_obj_heading_;
             } else if (line.matchFirst(rgx.heading)
             && (opt_action.backmatter && opt_action.section_blurb)) {
               comp_obj_heading_                                = comp_obj_heading_.init;
@@ -621,7 +621,7 @@ template SiSUdocAbstraction() {
               comp_obj_heading_.metainfo.heading_lev_collapsed = an_object["lev_collapsed_number"].to!int; // make int, remove need to conv
               comp_obj_heading_.metainfo.parent_ocn            = 1;
               comp_obj_heading_.metainfo.parent_lev_markup     = 0;
-              the_blurb_section                            ~= comp_obj_heading_;
+              the_blurb_section                                ~= comp_obj_heading_;
             } else {
               _para_match_(line, an_object, an_object_key, indent, bullet, obj_type_status, line_occur);
               comp_obj_para                               = comp_obj_para.init;
@@ -1325,6 +1325,197 @@ template SiSUdocAbstraction() {
     }
     the_document_head_section ~= the_document_body_section[0];
     the_document_body_section=the_document_body_section[1..$];
+    int[] _get_ancestors_markup(O)(O obj, ref int[] _ancestors_markup) {
+      if (obj.metainfo.is_a == "heading") {
+        debug(dom) {
+          writeln(obj.text);
+        }
+        if (obj.metainfo.heading_lev_markup == 1) {
+          _ancestors_markup = [
+            _ancestors_markup[0],
+            0,0,0,0,0,0,0
+          ];
+        }
+        if (obj.metainfo.heading_lev_markup == 2) {
+          _ancestors_markup = [
+            _ancestors_markup[0],
+            _ancestors_markup[1],
+            0,0,0,0,0,0
+          ];
+        }
+        if (obj.metainfo.heading_lev_markup == 3) {
+          _ancestors_markup = [
+            _ancestors_markup[0],
+            _ancestors_markup[1],
+            _ancestors_markup[2],
+            0,0,0,0,0
+          ];
+        }
+        if (obj.metainfo.heading_lev_markup == 4) {
+          _ancestors_markup = [
+            _ancestors_markup[0],
+            _ancestors_markup[1],
+            _ancestors_markup[2],
+            _ancestors_markup[3],
+            0,0,0,0
+          ];
+        }
+        if (obj.metainfo.heading_lev_markup == 5) {
+          _ancestors_markup = [
+            _ancestors_markup[0],
+            _ancestors_markup[1],
+            _ancestors_markup[2],
+            _ancestors_markup[3],
+            _ancestors_markup[4],
+            0,0,0
+          ];
+        }
+        if (obj.metainfo.heading_lev_markup == 6) {
+          _ancestors_markup = [
+            _ancestors_markup[0],
+            _ancestors_markup[1],
+            _ancestors_markup[2],
+            _ancestors_markup[3],
+            _ancestors_markup[4],
+            _ancestors_markup[5],
+            0,0
+          ];
+        }
+        if (obj.metainfo.heading_lev_markup == 7) {
+          _ancestors_markup = [
+            _ancestors_markup[0],
+            _ancestors_markup[1],
+            _ancestors_markup[2],
+            _ancestors_markup[3],
+            _ancestors_markup[4],
+            _ancestors_markup[5],
+            _ancestors_markup[6],
+            0
+          ];
+        }
+        if (obj.metainfo.heading_lev_markup == 8) {
+          _ancestors_markup = [
+            _ancestors_markup[0],
+            _ancestors_markup[1],
+            _ancestors_markup[2],
+            _ancestors_markup[3],
+            _ancestors_markup[4],
+            _ancestors_markup[5],
+            _ancestors_markup[6],
+            _ancestors_markup[7]
+          ];
+        }
+        _ancestors_markup[obj.metainfo.heading_lev_markup] = obj.metainfo.ocn;
+      }
+      debug(ancestor_markup) {
+        writeln("marked up: ", _ancestors_markup);
+      }
+      return _ancestors_markup;
+    }
+    int[] _get_ancestors_collapsed(O)(O obj, ref int[] _ancestors_collapsed) {
+      if (obj.metainfo.is_a == "heading") {
+        if (obj.metainfo.heading_lev_collapsed == 1) {
+          _ancestors_collapsed = [
+            _ancestors_collapsed[0],
+            0,0,0,0,0,0,0
+          ];
+        }
+        if (obj.metainfo.heading_lev_collapsed == 2) {
+          _ancestors_collapsed = [
+            _ancestors_collapsed[0],
+            _ancestors_collapsed[1],
+            0,0,0,0,0,0
+          ];
+        }
+        if (obj.metainfo.heading_lev_collapsed == 3) {
+          _ancestors_collapsed = [
+            _ancestors_collapsed[0],
+            _ancestors_collapsed[1],
+            _ancestors_collapsed[2],
+            0,0,0,0,0
+          ];
+        }
+        if (obj.metainfo.heading_lev_collapsed == 4) {
+          _ancestors_collapsed = [
+            _ancestors_collapsed[0],
+            _ancestors_collapsed[1],
+            _ancestors_collapsed[2],
+            _ancestors_collapsed[3],
+            0,0,0,0
+          ];
+        }
+        if (obj.metainfo.heading_lev_collapsed == 5) {
+          _ancestors_collapsed = [
+            _ancestors_collapsed[0],
+            _ancestors_collapsed[1],
+            _ancestors_collapsed[2],
+            _ancestors_collapsed[3],
+            _ancestors_collapsed[4],
+            0,0,0
+          ];
+        }
+        if (obj.metainfo.heading_lev_collapsed == 6) {
+          _ancestors_collapsed = [
+            _ancestors_collapsed[0],
+            _ancestors_collapsed[1],
+            _ancestors_collapsed[2],
+            _ancestors_collapsed[3],
+            _ancestors_collapsed[4],
+            _ancestors_collapsed[5],
+            0,0
+          ];
+        }
+        if (obj.metainfo.heading_lev_collapsed == 7) {
+          _ancestors_collapsed = [
+            _ancestors_collapsed[0],
+            _ancestors_collapsed[1],
+            _ancestors_collapsed[2],
+            _ancestors_collapsed[3],
+            _ancestors_collapsed[4],
+            _ancestors_collapsed[5],
+            _ancestors_collapsed[6],
+            0
+          ];
+        }
+        if (obj.metainfo.heading_lev_collapsed == 8) {
+          _ancestors_collapsed = [
+            _ancestors_collapsed[0],
+            _ancestors_collapsed[1],
+            _ancestors_collapsed[2],
+            _ancestors_collapsed[3],
+            _ancestors_collapsed[4],
+            _ancestors_collapsed[5],
+            _ancestors_collapsed[6],
+            _ancestors_collapsed[7]
+          ];
+        }
+        _ancestors_collapsed[obj.metainfo.heading_lev_collapsed] = obj.metainfo.ocn;
+      }
+      debug(ancestor_collapsed) {
+        writeln("collapsed: ", _ancestors_collapsed);
+      }
+      return _ancestors_collapsed;
+    }
+    /+ multiple 1~ levels, loop through document body +/
+    if (the_document_body_section.length > 1) {
+      int[] _ancestors_markup = [0,0,0,0,0,0,0,0];
+      int[][] _ancestors_markup_;
+      _ancestors_markup = [1,0,0,0,0,0,0,0];
+      _ancestors_markup_ ~= _ancestors_markup;
+      int[] _ancestors_collapsed = [0,0,0,0,0,0,0,0];
+      int[][] _ancestors_collapsed_;
+      _ancestors_collapsed = [1,0,0,0,0,0,0,0];
+      _ancestors_collapsed_ ~= _ancestors_collapsed;
+      foreach (ref obj; the_document_body_section) {
+        if (obj.metainfo.is_a == "heading") {
+          obj.metainfo.markedup_ancestors = _get_ancestors_markup(obj, _ancestors_markup);
+        }
+      }
+      debug(ancestors) {
+        writeln("ancestors markup o_n:    ", obj.metainfo.markedup_ancestors);
+        writeln("ancestors collapsed o_n: ", obj.metainfo.markedup_ancestors);
+      }
+    }
     if (the_endnotes_section.length > 1) {
       html_segnames ~= "endnotes";
       html_segnames_ptr = html_segnames_ptr_cntr;
@@ -1453,16 +1644,16 @@ template SiSUdocAbstraction() {
         || (opt_action.sqlite_discrete)
         || (opt_action.sqlite_update)
         || (opt_action.postgresql)) {
-          obj = obj_dom_structure_set_markup_tags(obj, dom_markedup, obj.metainfo.heading_lev_markup);
-          obj = obj_dom_set_collapsed_tags(obj, dom_collapsed, obj.metainfo.heading_lev_collapsed);
+          obj = obj_dom_structure_set_markup_tags(obj, dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
+          obj = obj_dom_set_collapsed_tags(obj, dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
         }
         obj = obj_heading_ancestors(obj, lv_ancestors_txt);
       }
     }
     if (the_table_of_contents_section["scroll"].length > 1) {
       /+ scroll +/
-      dom_markedup_buffer = dom_markedup.dup;
-      dom_collapsed_buffer = dom_collapsed.dup;
+      dom_structure_markedup_tags_status_buffer = dom_structure_markedup_tags_status.dup;
+      dom_structure_collapsed_tags_status_buffer = dom_structure_collapsed_tags_status.dup;
       foreach (ref obj; the_table_of_contents_section["scroll"]) {
         if (obj.metainfo.is_a == "heading") {
           if (obj.metainfo.heading_lev_markup <= 4) {
@@ -1481,15 +1672,15 @@ template SiSUdocAbstraction() {
           || (opt_action.sqlite_discrete)
           || (opt_action.sqlite_update)
           || (opt_action.postgresql)) {
-            obj = obj_dom_structure_set_markup_tags(obj, dom_markedup, obj.metainfo.heading_lev_markup);
-            obj = obj_dom_set_collapsed_tags(obj, dom_collapsed, obj.metainfo.heading_lev_collapsed);
+            obj = obj_dom_structure_set_markup_tags(obj, dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
+            obj = obj_dom_set_collapsed_tags(obj, dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
           }
           obj = obj_heading_ancestors(obj, lv_ancestors_txt);
         }
       }
       /+ seg +/
-      dom_markedup = dom_markedup_buffer.dup;
-      dom_collapsed = dom_collapsed_buffer.dup;
+      dom_structure_markedup_tags_status = dom_structure_markedup_tags_status_buffer.dup;
+      dom_structure_collapsed_tags_status = dom_structure_collapsed_tags_status_buffer.dup;
       foreach (ref obj; the_table_of_contents_section["seg"]) {
         if (obj.metainfo.is_a == "heading") {
           debug(dom) {
@@ -1507,8 +1698,8 @@ template SiSUdocAbstraction() {
           || (opt_action.html_scroll)
           || (opt_action.html_seg)
           || (opt_action.epub)) {
-            obj = obj_dom_structure_set_markup_tags(obj, dom_markedup, obj.metainfo.heading_lev_markup);
-            obj = obj_dom_set_collapsed_tags(obj, dom_collapsed, obj.metainfo.heading_lev_collapsed);
+            obj = obj_dom_structure_set_markup_tags(obj, dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
+            obj = obj_dom_set_collapsed_tags(obj, dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
           }
           obj = obj_heading_ancestors(obj, lv_ancestors_txt);
         }
@@ -1541,8 +1732,8 @@ template SiSUdocAbstraction() {
           || (opt_action.sqlite_discrete)
           || (opt_action.sqlite_update)
           || (opt_action.postgresql)) {
-            obj = obj_dom_structure_set_markup_tags(obj, dom_markedup, obj.metainfo.heading_lev_markup);
-            obj = obj_dom_set_collapsed_tags(obj, dom_collapsed, obj.metainfo.heading_lev_collapsed);
+            obj = obj_dom_structure_set_markup_tags(obj, dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
+            obj = obj_dom_set_collapsed_tags(obj, dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
           }
           obj = obj_heading_ancestors(obj, lv_ancestors_txt);
         } else if (obj.metainfo.is_a == "para") {
@@ -1554,10 +1745,10 @@ template SiSUdocAbstraction() {
     auto images=uniq(_images.sort());
     /+ optional only one 1~ level +/
     if (the_endnotes_section.length > 1) {
-      dom_markedup_buffer = dom_markedup.dup;
-      dom_collapsed_buffer = dom_collapsed.dup;
-      dom_markedup = dom_markedup_buffer.dup;
-      dom_collapsed = dom_collapsed_buffer.dup;
+      dom_structure_markedup_tags_status_buffer = dom_structure_markedup_tags_status.dup;
+      dom_structure_collapsed_tags_status_buffer = dom_structure_collapsed_tags_status.dup;
+      dom_structure_markedup_tags_status = dom_structure_markedup_tags_status_buffer.dup;
+      dom_structure_collapsed_tags_status = dom_structure_collapsed_tags_status_buffer.dup;
       foreach (ref obj; the_endnotes_section) {
         if (obj.metainfo.is_a == "heading") {
           debug(dom) {
@@ -1584,8 +1775,8 @@ template SiSUdocAbstraction() {
           || (opt_action.sqlite_discrete)
           || (opt_action.sqlite_update)
           || (opt_action.postgresql)) {
-            obj = obj_dom_structure_set_markup_tags(obj, dom_markedup, obj.metainfo.heading_lev_markup);
-            obj = obj_dom_set_collapsed_tags(obj, dom_collapsed, obj.metainfo.heading_lev_collapsed);
+            obj = obj_dom_structure_set_markup_tags(obj, dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
+            obj = obj_dom_set_collapsed_tags(obj, dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
           }
           obj = obj_heading_ancestors(obj, lv_ancestors_txt);
         }
@@ -1619,8 +1810,8 @@ template SiSUdocAbstraction() {
           || (opt_action.sqlite_discrete)
           || (opt_action.sqlite_update)
           || (opt_action.postgresql)) {
-            obj = obj_dom_structure_set_markup_tags(obj, dom_markedup, obj.metainfo.heading_lev_markup);
-            obj = obj_dom_set_collapsed_tags(obj, dom_collapsed, obj.metainfo.heading_lev_collapsed);
+            obj = obj_dom_structure_set_markup_tags(obj, dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
+            obj = obj_dom_set_collapsed_tags(obj, dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
           }
           obj = obj_heading_ancestors(obj, lv_ancestors_txt);
         } else if (obj.metainfo.is_a == "glossary") {
@@ -1657,8 +1848,8 @@ template SiSUdocAbstraction() {
           || (opt_action.sqlite_discrete)
           || (opt_action.sqlite_update)
           || (opt_action.postgresql)) {
-            obj = obj_dom_structure_set_markup_tags(obj, dom_markedup, obj.metainfo.heading_lev_markup);
-            obj = obj_dom_set_collapsed_tags(obj, dom_collapsed, obj.metainfo.heading_lev_collapsed);
+            obj = obj_dom_structure_set_markup_tags(obj, dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
+            obj = obj_dom_set_collapsed_tags(obj, dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
           }
           obj = obj_heading_ancestors(obj, lv_ancestors_txt);
         } else if (obj.metainfo.is_a == "bibliography") {
@@ -1673,8 +1864,8 @@ template SiSUdocAbstraction() {
     int ocn_bidx_;
     if (the_bookindex_section["scroll"].length > 1) {
       /+ scroll +/
-      dom_markedup_buffer = dom_markedup.dup;
-      dom_collapsed_buffer = dom_collapsed.dup;
+      dom_structure_markedup_tags_status_buffer = dom_structure_markedup_tags_status.dup;
+      dom_structure_collapsed_tags_status_buffer = dom_structure_collapsed_tags_status.dup;
       foreach (ref obj; the_bookindex_section["scroll"]) {
         if (obj.metainfo.is_a == "heading") {
           debug(dom) {
@@ -1700,20 +1891,20 @@ template SiSUdocAbstraction() {
           || (opt_action.sqlite_discrete)
           || (opt_action.sqlite_update)
           || (opt_action.postgresql)) {
-            obj = obj_dom_structure_set_markup_tags(obj, dom_markedup, obj.metainfo.heading_lev_markup);
-            obj = obj_dom_set_collapsed_tags(obj, dom_collapsed, obj.metainfo.heading_lev_collapsed);
+            obj = obj_dom_structure_set_markup_tags(obj, dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
+            obj = obj_dom_set_collapsed_tags(obj, dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
           }
           obj = obj_heading_ancestors(obj, lv_ancestors_txt);
         } else if (obj.metainfo.is_a == "bookindex") {
-          obj_cite_digits                   = ocn_emit(OCNstatus.bkidx);
+          obj_cite_digits                       = ocn_emit(OCNstatus.bkidx);
           obj.metainfo.ocn                      = obj_cite_digits.digit;
           obj.metainfo.o_n_book_index           = obj_cite_digits.bkidx;
           obj.metainfo.object_number_type       = OCNtype.bkidx;
         }
       }
       /+ seg +/
-      dom_markedup = dom_markedup_buffer.dup;
-      dom_collapsed = dom_collapsed_buffer.dup;
+      dom_structure_markedup_tags_status = dom_structure_markedup_tags_status_buffer.dup;
+      dom_structure_collapsed_tags_status = dom_structure_collapsed_tags_status_buffer.dup;
       foreach (ref obj; the_bookindex_section["seg"]) {
         if (obj.metainfo.is_a == "heading") {
           debug(dom) {
@@ -1739,12 +1930,12 @@ template SiSUdocAbstraction() {
           || (opt_action.sqlite_discrete)
           || (opt_action.sqlite_update)
           || (opt_action.postgresql)) {
-            obj = obj_dom_structure_set_markup_tags(obj, dom_markedup, obj.metainfo.heading_lev_markup);
-            obj = obj_dom_set_collapsed_tags(obj, dom_collapsed, obj.metainfo.heading_lev_collapsed);
+            obj = obj_dom_structure_set_markup_tags(obj, dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
+            obj = obj_dom_set_collapsed_tags(obj, dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
           }
           obj = obj_heading_ancestors(obj, lv_ancestors_txt);
         } else if (obj.metainfo.is_a == "bookindex") {
-          ocn_bidx_ = ++ocn_bkidx_;
+          ocn_bidx_                             = ++ocn_bkidx_;
           obj.metainfo.o_n_book_index           = ocn_bidx_; // FIX need to distinguish from regular ocn
           obj.metainfo.object_number_type       = OCNtype.bkidx;
         }
@@ -1782,8 +1973,8 @@ template SiSUdocAbstraction() {
           || (opt_action.sqlite_discrete)
           || (opt_action.sqlite_update)
           || (opt_action.postgresql)) {
-            obj = obj_dom_structure_set_markup_tags(obj, dom_markedup, obj.metainfo.heading_lev_markup);
-            obj = obj_dom_set_collapsed_tags(obj, dom_collapsed, obj.metainfo.heading_lev_collapsed);
+            obj = obj_dom_structure_set_markup_tags(obj, dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
+            obj = obj_dom_set_collapsed_tags(obj, dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
           }
           obj = obj_heading_ancestors(obj, lv_ancestors_txt);
         } else if (obj.metainfo.is_a == "blurb") {
@@ -1796,8 +1987,8 @@ template SiSUdocAbstraction() {
       /+ TODO
         - note create/insert heading object sole purpose eof close all open tags
           sort out:
-          - obj.metainfo.dom_markedup = dom_markedup;
-          - obj.metainfo.dom_collapsed = dom_collapsed;
+          - obj.metainfo.dom_structure_markedup_tags_status = dom_structure_markedup_tags_status;
+          - obj.metainfo.dom_structure_collapsed_tags_status = dom_structure_collapsed_tags_status;
       +/
     comp_obj_heading_                                = comp_obj_heading_.init;
     comp_obj_heading_.metainfo.is_of_part            = "empty";
@@ -1812,10 +2003,10 @@ template SiSUdocAbstraction() {
     comp_obj_heading_.metainfo.heading_lev_collapsed = 9;
     comp_obj_heading_.metainfo.parent_ocn            = 0;
     comp_obj_heading_.metainfo.parent_lev_markup     = 0;
-    comp_obj_heading_.metainfo.dom_markedup          = dom_markedup.dup;
-    comp_obj_heading_.metainfo.dom_collapsed         = dom_collapsed.dup;
-    comp_obj_heading_ = obj_dom_structure_set_markup_tags(comp_obj_heading_, dom_markedup, 0);
-    comp_obj_heading_ = obj_dom_set_collapsed_tags(comp_obj_heading_, dom_collapsed, 0);
+    comp_obj_heading_.metainfo.dom_structure_markedup_tags_status          = dom_structure_markedup_tags_status.dup;
+    comp_obj_heading_.metainfo.dom_structure_collapsed_tags_status         = dom_structure_collapsed_tags_status.dup;
+    comp_obj_heading_ = obj_dom_structure_set_markup_tags(comp_obj_heading_, dom_structure_markedup_tags_status, 0);
+    comp_obj_heading_ = obj_dom_set_collapsed_tags(comp_obj_heading_, dom_structure_collapsed_tags_status, 0);
     comp_obj_heading_ = obj_heading_ancestors(comp_obj_heading_, lv_ancestors_txt);
     // the_dom_tail_section                      ~= comp_obj_heading_; // remove tail for now, decide on later
     auto document_the = [
@@ -1885,16 +2076,60 @@ template SiSUdocAbstraction() {
     destroy(html_segnames);
     destroy(bookindex_unordered_hashes);
     destroy(an_object);
-    obj_cite_digits        = ocn_emit(OCNstatus.reset);
-    biblio_arr_json        = [];
-    obj_cite_digit_        = 0;
-    html_segnames_ptr      = 0;
-    html_segnames_ptr_cntr = 0;
-    content_non_header     = "8";
-    dom_markedup           = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
-    dom_markedup_buffer    = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
-    dom_collapsed          = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
-    dom_collapsed_buffer   = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
+    obj_cite_digits                              = ocn_emit(OCNstatus.reset);
+    biblio_arr_json                              = [];
+    obj_cite_digit_                              = 0;
+    html_segnames_ptr                            = 0;
+    html_segnames_ptr_cntr                       = 0;
+    content_non_header                           = "8";
+    dom_structure_markedup_tags_status           = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
+    dom_structure_markedup_tags_status_buffer    = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
+    dom_structure_collapsed_tags_status          = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
+    dom_structure_collapsed_tags_status_buffer   = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
+    debug(abstraction) {
+      foreach (part; sequenced_document_keys.scroll) {
+        foreach (ref obj; document_the[part]) {
+          debug(node_misc) {
+            if (obj.metainfo.is_a == "heading") {
+              writeln("heading ancestors text?: ", obj.tags.heading_ancestors_text);
+            }
+          }
+          debug(node_headings) {
+            if (obj.metainfo.is_a == "heading") {
+              writeln("---");
+              writeln(obj.text);
+              writeln("  node:                    ", obj.metainfo.node);
+              writeln("  ocn:                     ", obj.metainfo.ocn);
+              writeln("  markedup heading lev:    ", obj.metainfo.heading_lev_markup);
+              writeln("  collapsed heading lev    ", obj.metainfo.heading_lev_collapsed);
+              writeln("  parent ocn:              ", obj.metainfo.parent_ocn);
+              writeln("  parent lev:              ", obj.metainfo.parent_lev_markup);
+              writeln("  markedup ancestors o_n:  ", obj.metainfo.markedup_ancestors);
+              writeln("  dom markedup:            ", obj.metainfo.dom_structure_markedup_tags_status);
+              writeln("  collapsed ancestors o_n: ", obj.metainfo.collapsed_ancestors);
+              writeln("  dom collapsed:           ", obj.metainfo.dom_structure_collapsed_tags_status);
+            }
+          }
+          debug(node_all) {
+            writeln("---");
+            if (obj.metainfo.is_a == "heading") {
+              writeln(obj.text);
+            }
+            writeln("node:                    ", obj.metainfo.node);
+            writeln("ocn:                     ", obj.metainfo.ocn);
+            writeln("markedup heading lev:    ", obj.metainfo.heading_lev_markup);
+            writeln("collapsed heading lev    ", obj.metainfo.heading_lev_collapsed);
+            writeln("markedup ancestors o_n:  ", obj.metainfo.markedup_ancestors);
+            writeln("collapsed ancestors o_n: ", obj.metainfo.collapsed_ancestors);
+            writeln("dom markedup:            ", obj.metainfo.dom_structure_markedup_tags_status);
+            writeln("dom collapsed:           ", obj.metainfo.dom_structure_collapsed_tags_status);
+            writeln("parent ocn:              ", obj.metainfo.parent_ocn);
+            writeln("parent lev:              ", obj.metainfo.parent_lev_markup);
+            writeln("Node:                    ", obj.metainfo.ocn);
+          }
+        }
+      }
+    }
     auto t = tuple(
       document_the,
       sequenced_document_keys,
@@ -5473,7 +5708,7 @@ template SiSUdocAbstraction() {
       comp_obj_location.tags.segment_anchor_tag     = segment_anchor_tag.to!string;
       comp_obj_location.metainfo.parent_ocn         = p_["object_number"];
       comp_obj_location.metainfo.parent_lev_markup  = p_["lev_markup_number"];
-      debug(node) {
+      debug(_node) {
         if (lev_markup_number.match(rgx.levels_numbered_headings)) {
           writeln("x ", _node.to!string);
         } else {
@@ -5638,7 +5873,7 @@ template SiSUdocAbstraction() {
       _comp_obj_heading_.has.inline_notes_reg             = flag_notes_reg;
       _comp_obj_heading_.has.inline_notes_star            = flag_notes_star;
       _comp_obj_heading_.has.inline_links                 = flag_links;
-      debug(node) {
+      debug(_node) {
         if (lev_markup_number.match(rgx.levels_numbered_headings)) {
           writeln("* ", _node.to!string);
         }
diff --git a/src/sdp/meta/object_setter.d b/src/sdp/meta/object_setter.d
index a928ec8..09ce2ee 100644
--- a/src/sdp/meta/object_setter.d
+++ b/src/sdp/meta/object_setter.d
@@ -99,50 +99,50 @@ template ObjectSetter() {
       }
       return _out;
     }
-    int[]                  dom_markedup                       = [ 0, 0, 0, 0, 0, 0, 0, 0,];
-    int[]                  dom_collapsed                      = [ 0, 0, 0, 0, 0, 0, 0, 0,];
-    int[]                  heading_ancestors                  = [ 0, 0, 0, 0, 0, 0, 0, 0,];
-    int                    parent_lev_markup                  = 0;
-    int                    parent_ocn                         = 0;
-    int[]                  ancestors                          = [];
+    int[]                  markedup_ancestors                  = [ 0, 0, 0, 0, 0, 0, 0, 0,];
+    int[]                  collapsed_ancestors                 = [ 0, 0, 0, 0, 0, 0, 0, 0,];
+    int[]                  dom_structure_markedup_tags_status  = [ 0, 0, 0, 0, 0, 0, 0, 0,];
+    int[]                  dom_structure_collapsed_tags_status = [ 0, 0, 0, 0, 0, 0, 0, 0,];
+    int                    parent_lev_markup                   = 0;
+    int                    parent_ocn                          = 0;
   }
-  struct DocObj_TxtAttrib_ {                                  // attrib
-    int                    indent_base                        = 0;
-    int                    indent_hang                        = 0;
-    bool                   bullet                             = false;
-    string                 language                           = ""; // not implemented, consider
+  struct DocObj_TxtAttrib_ {                                   // attrib
+    int                    indent_base                         = 0;
+    int                    indent_hang                         = 0;
+    bool                   bullet                              = false;
+    string                 language                            = ""; // not implemented, consider
   }
-  struct DocObj_Has_ {                                        // has
-    bool                   inline_links                       = false;
-    bool                   inline_notes_reg                   = false;
-    bool                   inline_notes_star                  = false;
-    bool                   contains_image_without_dimensions  = false;
+  struct DocObj_Has_ {                                         // has
+    bool                   inline_links                        = false;
+    bool                   inline_notes_reg                    = false;
+    bool                   inline_notes_star                   = false;
+    bool                   contains_image_without_dimensions   = false;
   }
-  struct DocObj_Table_ {                                      // table
-    int                    number_of_columns                  = 0;
-    double[]               column_widths                      = [];
-    string[]               column_aligns                      = [];
-    bool                   heading                            = false;
-    bool                   walls                              = false; // not implemented
+  struct DocObj_Table_ {                                       // table
+    int                    number_of_columns                   = 0;
+    double[]               column_widths                       = [];
+    string[]               column_aligns                       = [];
+    bool                   heading                             = false;
+    bool                   walls                               = false; // not implemented
   }
-  struct DocObj_CodeBlock_ {                                  // code_block
-    string                 syntax                             = "";
+  struct DocObj_CodeBlock_ {                                   // code_block
+    string                 syntax                              = "";
   }
-  struct DocObj_Pointer_ {                                    // ptr
-    int                    doc_object                         = 0;
-    int                    html_segnames                      = 0;
-    int                    heading                            = 0;
+  struct DocObj_Pointer_ {                                     // ptr
+    int                    doc_object                          = 0;
+    int                    html_segnames                       = 0;
+    int                    heading                             = 0;
   }
-  struct DocObj_Tags_ {                                       // tags
-    string[]               heading_ancestors_text             = [ "", "", "", "", "", "", "", "", ];
-    string                 segment_anchor_tag                 = "";
-    string                 segname_prev                       = "";
-    string                 segname_next                       = "";
-    string[]               lev4_subtoc                        = [];
-    string[]               anchor_tags                        = [];
+  struct DocObj_Tags_ {                                        // tags
+    string[]               heading_ancestors_text              = [ "", "", "", "", "", "", "", "", ]; // TODO redundant? see markedup and collapsed ancestors DONE
+    string                 segment_anchor_tag                  = "";
+    string                 segname_prev                        = "";
+    string                 segname_next                        = "";
+    string[]               lev4_subtoc                         = [];
+    string[]               anchor_tags                         = [];
   }
   struct ObjGenericComposite {
-    string                 text                               = "";
+    string                 text                                = "";
     DocObj_MetaInfo_       metainfo;
     DocObj_TxtAttrib_      attrib;
     DocObj_Tags_           tags;
diff --git a/src/sdp/output/epub3.d b/src/sdp/output/epub3.d
index 0e864f7..dce1b0c 100644
--- a/src/sdp/output/epub3.d
+++ b/src/sdp/output/epub3.d
@@ -150,7 +150,7 @@ template outputEPub3() {
           string _txt = obj.text.replaceAll(rgx.inline_notes_al_gen, "").strip;
           foreach_reverse (n; 0 .. 7) {
             string k = n.to!string;
-            switch (obj.metainfo.dom_collapsed[n]) {
+            switch (obj.metainfo.dom_structure_collapsed_tags_status[n]) {
             case DomTags.close :
               toc ~= markup.indent_by_spaces_provided((n + 1), "  ") ~ "</li>" ~ "\n";
               toc ~= markup.indent_by_spaces_provided(n, "  ") ~ "</ol>" ~ "\n";
@@ -247,7 +247,7 @@ template outputEPub3() {
           string _txt = obj.text.replaceAll(rgx.inline_notes_al_gen, "").strip;
           string hashtag =(obj.metainfo.heading_lev_markup <= 4) ? "" : ("#" ~ obj.metainfo.ocn.to!string);
           foreach_reverse (k; 0 .. 7) {
-            switch (obj.metainfo.dom_markedup[k]) {
+            switch (obj.metainfo.dom_structure_markedup_tags_status[k]) {
             case DomTags.close :
               toc ~= "\n    </navPoint>";
               break;
diff --git a/src/sdp/output/sqlite.d b/src/sdp/output/sqlite.d
index 1aa578d..636fe6f 100644
--- a/src/sdp/output/sqlite.d
+++ b/src/sdp/output/sqlite.d
@@ -1031,9 +1031,9 @@ template SQLiteInsertDocObjectsLoop() {
           if ((doc_matters.opt.action.verbose)) {
             writeln(
               "markup: ", obj.metainfo.heading_lev_markup,
-              "> ", obj.metainfo.dom_markedup,
+              "> ", obj.metainfo.dom_structure_markedup_tags_status,
               "; collapsed: ", obj.metainfo.heading_lev_collapsed,
-              "> ", obj.metainfo.dom_collapsed,
+              "> ", obj.metainfo.dom_structure_collapsed_tags_status,
               "; ocn: ", obj.metainfo.ocn,
               " node: ", obj.metainfo.node,
               "; parent: ", obj.metainfo.parent_lev_markup,