bsw/jbe@4: function format.wiki_text(wiki_text, formatting_engine)
bsw@1045: 
bsw@1045:   if not formatting_engine then
bsw@1045:     error("Formatting engine identifier required")
bsw@1045:   end
bsw@1045: 
bsw@1045:   local fe
bsw@1045:   
bsw@1045:   for i, fe_entry in ipairs(config.formatting_engines) do
bsw@1045:     if fe_entry.id == formatting_engine then
bsw@1045:       fe = fe_entry
bsw@1045:       break
bsw@1045:     end
bsw@1045:   end
bsw@1045: 
bsw@1045:   if not fe then
bsw@1045:     error("Formatting engine not found")
bsw@1045:   end
bsw@1045:   
bsw@2:   local html, errmsg, exitcode = assert(
bsw@1045:     extos.pfilter(wiki_text, fe.executable, table.unpack(fe.args or {}))
bsw@2:   )
bsw@1045:   
bsw@2:   if exitcode > 0 then
bsw@1045:     trace.debug(html, errmsg)
bsw@2:     error("Wiki parser process returned with error code " .. tostring(exitcode))
bsw@2:   elseif exitcode < 0 then
bsw@1045:     trace.debug(html, errmsg)
bsw@2:     error("Wiki parser process was terminated by signal " .. tostring(-exitcode))
bsw@2:   end
bsw@1045: 
bsw@1045:   if fe.remove_images then
bsw@1045:     html = string.gsub(html, '<img [^>]*>', '')
bsw@1045:   end
bsw@1045:   
bsw@2:   return html
bsw@1045:   
bsw@2: end