1 files changed, 0 insertions, 120 deletions
diff --git a/pandoc/include-files.lua b/pandoc/include-files.lua
deleted file mode 100644
index f9f208e9..00000000
--- a/pandoc/include-files.lua
+++ /dev/null
@@ -1,120 +0,0 @@
---- include-files.lua – filter to include Markdown files
----
---- Copyright: © 2019–2021 Albert Krewinkel
---- License:   MIT – see LICENSE file for details
-
--- Module pandoc.path is required and was added in version 2.12
-PANDOC_VERSION:must_be_at_least '2.12'
-
-local List = require 'pandoc.List'
-local path = require 'pandoc.path'
-local system = require 'pandoc.system'
-
---- Get include auto mode
-local include_auto = false
-function get_vars (meta)
-  if meta['include-auto'] then
-    include_auto = true
-  end
-end
-
---- Keep last heading level found
-local last_heading_level = 0
-function update_last_level(header)
-  last_heading_level = header.level
-end
-
---- Update contents of included file
-local function update_contents(blocks, shift_by, include_path)
-  local update_contents_filter = {
-    -- Shift headings in block list by given number
-    Header = function (header)
-      if shift_by then
-        header.level = header.level + shift_by
-      end
-      return header
-    end,
-    -- If image paths are relative then prepend include file path
-    Image = function (image)
-      if path.is_relative(image.src) then
-        image.src = path.normalize(path.join({include_path, image.src}))
-      end
-      return image
-    end,
-    -- Update path for include-code-files.lua filter style CodeBlocks
-    CodeBlock = function (cb)
-      if cb.attributes.include and path.is_relative(cb.attributes.include) then
-        cb.attributes.include =
-          path.normalize(path.join({include_path, cb.attributes.include}))
-        end
-      return cb
-    end
-  }
-
-  return pandoc.walk_block(pandoc.Div(blocks), update_contents_filter).content
-end
-
---- Filter function for code blocks
-local transclude
-function transclude (cb)
-  -- ignore code blocks which are not of class "include".
-  if not cb.classes:includes 'include' then
-    return
-  end
-
-  -- Markdown is used if this is nil.
-  local format = cb.attributes['format']
-
-  -- Attributes shift headings
-  local shift_heading_level_by = 0
-  local shift_input = cb.attributes['shift-heading-level-by']
-  if shift_input then
-    shift_heading_level_by = tonumber(shift_input)
-  else
-    if include_auto then
-      -- Auto shift headings
-      shift_heading_level_by = last_heading_level
-    end
-  end
-
-  --- keep track of level before recusion
-  local buffer_last_heading_level = last_heading_level
-
-  local blocks = List:new()
-  for line in cb.text:gmatch('[^\n]+') do
-    if line:sub(1,2) ~= '//' then
-      local fh = io.open(line)
-      if not fh then
-        io.stderr:write("Cannot open file " .. line .. " | Skipping includes\n")
-      else
-        -- read file as the given format with global reader options
-        local contents = pandoc.read(
-          fh:read '*a',
-          format,
-          PANDOC_READER_OPTIONS
-        ).blocks
-        last_heading_level = 0
-        -- recursive transclusion
-        contents = system.with_working_directory(
-            path.directory(line),
-            function ()
-              return pandoc.walk_block(
-                pandoc.Div(contents),
-                { Header = update_last_level, CodeBlock = transclude }
-              )
-            end).content
-        --- reset to level before recursion
-        last_heading_level = buffer_last_heading_level
-        blocks:extend(update_contents(contents, shift_heading_level_by,
-                                      path.directory(line)))
-        fh:close()
-      end
-    end
-  end
-  return blocks
-end
-
-return {
-  { Meta = get_vars },
-  { Header = update_last_level, CodeBlock = transclude }
-}