Added nodynamicodt extension

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+- 2025/02/03 
+
+  - added the `nodynamicodt` extension. It removes dynamic content from ODT files.
+    https://puszcza.gnu.org.ua/bugs/?505#discussion
+
 - 2025/01/15
 
   - fixed handling of commands with number as optional arguments in the `make4ht-indexing` library.

README.md

@@ -324,6 +324,10 @@ mjcli
      add "mathjax" option on the command line (like `make4ht -f html5+mjcli filename.tex "mathjax"`).
      See [the available settings](#mathjaxsettings).
 
+nodynamicodt 
+
+:    change dynamic content in ODT files (such as tables of contents or bibliographies) to text.
+
 odttemplate
 
 :    it automatically loads the `odttemplate` filter (page \pageref{sec:odttemplate}).

extensions/make4ht-ext-nodynamicodt.lua

@@ -0,0 +1,52 @@
+local M = {}
+
+-- this extension covnerts links, tables of contents and other dynamic content in the ODT format to plain text
+
+local filter = require "make4ht-domfilter"
+
+-- this extension only works for the ODT format
+M.test = function(format)
+  return format=="odt"
+end
+
+local function nodynamiccontent(dom)
+  for _,link in ipairs(dom:query_selector("text|a")) do
+    -- change links to spans
+    link._name = "text:span"
+    -- remove attributes
+    link._attr = {}
+
+  end
+  for _, bibliography in ipairs(dom:query_selector("text|bibliography")) do
+    -- remove links from bibliography
+    -- use div instead of bibliography
+    bibliography._name = "text:div"
+    -- remove bibliography-source elements
+    for _, source in ipairs(bibliography:query_selector("text:bibliography-source")) do
+      source:remove_node()
+    end
+    for _, index in ipairs(bibliography:query_selector("text|index-body")) do
+      -- use div instead of bibliography-entry
+      index._name = "text:div"
+    end
+
+  end
+  for _, toc in ipairs(dom:query_selector("text|table-of-content")) do
+    -- remove links from toc
+    -- use div instead of table-of-contents
+    toc._name = "text:div"
+    for _, entry in ipairs(toc:query_selector("text|index-body, text|index-title")) do
+      -- use div instead of table-of-contents-entry
+      entry._name = "text:div"
+    end
+  end
+  return dom
+end
+
+M.modify_build = function(make)
+  local process = filter({nodynamiccontent}, "nodynamiccontent")
+  Make:match("4oo$",process)
+  return make
+end
+
+return M