Filter for section numbering for HTML

1 files changed, 18 insertions, 0 deletions

diff --git a/filters/section-numbers.lua b/filters/section-numbers.lua
new file mode 100644
index 0000000..04c168d
--- /dev/null
+++ b/filters/section-numbers.lua
@@ -0,0 +1,18 @@
+sections_count = 0
+
+if FORMAT:match 'html' then
+    function Header(el)
+
+        if not (el.level == 2) then
+            return el
+        end
+        local numb = pandoc.Str(tostring(sections_count + 1)..".")
+        sections_count = sections_count + 1
+        local new_cont = {numb, pandoc.Space()}
+        for i,v in ipairs(el.content) do
+            new_cont[i+2]=el.content[i]
+        end
+        el.content = new_cont
+        return el
+    end
+end