1 function format.wiki_text(wiki_text, formatting_engine)

2

3 if not formatting_engine then

4 error("Formatting engine identifier required")

5 end

6

7 local fe

8

9 for i, fe_entry in ipairs(config.formatting_engines) do

10 if fe_entry.id == formatting_engine then

11 fe = fe_entry

12 break

13 end

14 end

15

16 if not fe then

17 error("Formatting engine not found")

18 end

19

20 local html, errmsg, exitcode = assert(

21 extos.pfilter(wiki_text, fe.executable, table.unpack(fe.args or {}))

22 )

23

24 if exitcode > 0 then

25 trace.debug(html, errmsg)

26 error("Wiki parser process returned with error code " .. tostring(exitcode))

27 elseif exitcode < 0 then

28 trace.debug(html, errmsg)

29 error("Wiki parser process was terminated by signal " .. tostring(-exitcode))

30 end

31

32 if fe.remove_images then

33 html = string.gsub(html, '<img [^>]*>', '')

34 end

35

36 return html

37

38 end