From ab6a0ed892cf2e63c041318b71806ecee4e31ebe Mon Sep 17 00:00:00 2001
From: Ralph Amissah <ralph@amissah.com>
Date: Wed, 4 Jul 2018 13:22:34 -0400
Subject: decendants

---
 src/sdp/meta/metadoc_from_src.d | 135 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 135 insertions(+)

(limited to 'src/sdp/meta/metadoc_from_src.d')

diff --git a/src/sdp/meta/metadoc_from_src.d b/src/sdp/meta/metadoc_from_src.d
index 962fef9..f202b7c 100644
--- a/src/sdp/meta/metadoc_from_src.d
+++ b/src/sdp/meta/metadoc_from_src.d
@@ -1509,6 +1509,7 @@ template SiSUdocAbstraction() {
       foreach (ref obj; the_document_body_section) {
         if (obj.metainfo.is_a == "heading") {
           obj.metainfo.markedup_ancestors = _get_ancestors_markup(obj, _ancestors_markup);
+          obj.metainfo.collapsed_ancestors = _get_ancestors_collapsed(obj, _ancestors_collapsed);
         }
       }
       debug(ancestors) {
@@ -1577,6 +1578,54 @@ template SiSUdocAbstraction() {
       }
       html_segnames_ptr_cntr++;
     }
+    auto get_decendants(S)(S document_sections) {
+      int[string] _heading_ocn_decendants;
+      string[] _ocn_open_key = ["","","","","","","",""];
+      auto _doc_sect_length = document_sections.length - 1;
+      int _last_ocn;
+      foreach (_lg, ref obj; document_sections) { // TODO the_document_body_section
+        if (obj.metainfo.is_a == "heading") {
+          foreach (_dts_lv, dom_tag_status; obj.metainfo.dom_structure_markedup_tags_status) {
+            switch (dom_tag_status) {
+            case DomTags.none: break;
+            case DomTags.open:
+                _ocn_open_key[_dts_lv] = (obj.metainfo.ocn).to!string;
+                _heading_ocn_decendants[_ocn_open_key[_dts_lv]] = obj.metainfo.ocn;
+              break;
+            case DomTags.close:
+              if (_ocn_open_key[_dts_lv].empty) {
+                _ocn_open_key[_dts_lv] = "0";
+              }
+              _heading_ocn_decendants[_ocn_open_key[_dts_lv]] = obj.metainfo.ocn - 1;
+              _ocn_open_key[_dts_lv] = (0).to!string;
+              break;
+            case DomTags.close_and_open:
+              if (_ocn_open_key[_dts_lv].empty) {
+                _ocn_open_key[_dts_lv] = "0";
+              }
+              _heading_ocn_decendants[_ocn_open_key[_dts_lv]] = obj.metainfo.ocn - 1;
+              _ocn_open_key[_dts_lv] = (obj.metainfo.ocn).to!string;
+              _heading_ocn_decendants[_ocn_open_key[_dts_lv]] = obj.metainfo.ocn;
+              break;
+            case DomTags.open_still: break;
+            default: break;
+            }
+          }
+        }
+        if (obj.metainfo.ocn > 0) {
+          _last_ocn = obj.metainfo.ocn;
+        }
+        if (_lg == _doc_sect_length) {
+          _heading_ocn_decendants["1"] = _last_ocn; // close existing o_n key
+        }
+      }
+      Tuple!(int, int)[] pairs;
+      foreach (pair; _heading_ocn_decendants.byPair) {
+        pairs ~= tuple(pair[0].to!int, pair[1]);
+        // pairs ~= tuple(pair.key.to!int, pair.value);
+      }
+      return pairs.sort;
+    }
     string[] _images;
     auto extract_images(S)(S content_block) {
       string[] images_;
@@ -1983,6 +2032,92 @@ template SiSUdocAbstraction() {
           obj.metainfo.object_number_type = OCNtype.non;
         }
       }
+    }
+    if (the_document_body_section.length > 1) {
+      auto pairs = get_decendants(
+        the_document_head_section ~
+        the_document_body_section ~
+        the_endnotes_section ~
+        the_glossary_section ~
+        the_bibliography_section ~
+        the_bookindex_section["scroll"] ~
+        the_blurb_section
+      );
+      foreach (ref obj; the_document_head_section) {
+        if (obj.metainfo.is_a == "heading") {
+          foreach (pair; pairs) {
+            if (obj.metainfo.ocn == pair[0]) {
+              obj.metainfo.last_decendant_ocn = pair[1];
+            }
+          }
+        }
+      }
+      if (the_document_body_section.length > 1) {
+        foreach (ref obj; the_document_body_section) {
+          if (obj.metainfo.is_a == "heading") {
+            foreach (pair; pairs) {
+              if (obj.metainfo.ocn == pair[0]) {
+                obj.metainfo.last_decendant_ocn = pair[1];
+              }
+            }
+          }
+        }
+      }
+      if (the_endnotes_section.length > 1) {
+        foreach (ref obj; the_endnotes_section) {
+          if (obj.metainfo.is_a == "heading") {
+            foreach (pair; pairs) {
+              if (obj.metainfo.ocn == pair[0]) {
+                obj.metainfo.last_decendant_ocn = pair[1];
+              }
+            }
+          }
+        }
+      }
+      if (the_glossary_section.length > 1) {
+        foreach (ref obj; the_glossary_section) {
+          if (obj.metainfo.is_a == "heading") {
+            foreach (pair; pairs) {
+              if (obj.metainfo.ocn == pair[0]) {
+                obj.metainfo.last_decendant_ocn = pair[1];
+              }
+            }
+          }
+        }
+      }
+      if (the_bibliography_section.length > 1) {
+        foreach (ref obj; the_bibliography_section) {
+          if (obj.metainfo.is_a == "heading") {
+            foreach (pair; pairs) {
+              if (obj.metainfo.ocn == pair[0]) {
+                obj.metainfo.last_decendant_ocn = pair[1];
+              }
+            }
+          }
+        }
+      }
+      if (the_bookindex_section["scroll"].length > 1) {
+        foreach (ref obj; the_bookindex_section["scroll"]) {
+          if (obj.metainfo.is_a == "heading") {
+            foreach (pair; pairs) {
+              if (obj.metainfo.ocn == pair[0]) {
+                obj.metainfo.last_decendant_ocn = pair[1];
+              }
+            }
+          }
+        }
+      }
+      if (the_blurb_section.length > 1) {
+        foreach (ref obj; the_blurb_section) {
+          if (obj.metainfo.is_a == "heading") {
+            foreach (pair; pairs) {
+              if (obj.metainfo.ocn == pair[0]) {
+                obj.metainfo.last_decendant_ocn = pair[1];
+              }
+            }
+          }
+        }
+      }
     }
       /+ TODO
         - note create/insert heading object sole purpose eof close all open tags
-- 
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