Fix Hfilter for null text part

Fix HFILTER_URL_ONELINE for null text part

diff --git a/conf/lua/hfilter.lua b/conf/lua/hfilter.lua
index 0c1d887e8de78982857916bd8fe2193312189e81..60a5cd7227bc4c940b18a2032d23c4660879cdf7 100644 (file)
--- a/conf/lua/hfilter.lua
+++ b/conf/lua/hfilter.lua
@@ -251,39 +251,37 @@ local function hfilter(task)
     local parts = task:get_text_parts()
     if parts then
         --One text part--
-               local total_parts_len = 0
-               local text_parts_count = 0
-               local selected_text_part = nil
-               for _,p in ipairs(parts) do
-                       total_parts_len = total_parts_len + p:get_length()
-                       
-                       if not p:is_html() then
-                               text_parts_count = text_parts_count + 1
-                               selected_text_part = p
-                       end
-               end
-               if total_parts_len > 0 then
-                       local urls = task:get_urls()
-                       if urls then
-                               local total_url_len = 0
-                               for _,url in ipairs(urls) do
-                                       total_url_len = total_url_len + url:get_length()
-                               end
-                               if total_url_len > 0 then
-                                       if total_url_len + 7 > total_parts_len then
-                                               task:insert_result('HFILTER_URL_ONLY', 1.00)
-                                       elseif text_parts_count == 1 and
-                                               selected_text_part:get_length() < 1024 then
-                                               -- We got a single text part with
-                                               -- the total length < 1024 symbols.
-                                               local part_text = trim1(selected_text_part:get_content())
-                                               if not string.find(part_text, "\n") then
-                                                       task:insert_result('HFILTER_URL_ONELINE', 1.00)
-                                               end
-                                       end
-                               end
-                       end
-               end
+        local total_parts_len = 0
+        local text_parts_count = 0
+        local selected_text_part = nil
+        for _,p in ipairs(parts) do
+            total_parts_len = total_parts_len + p:get_length()
+            
+            if not p:is_html() then
+                text_parts_count = text_parts_count + 1
+                selected_text_part = p
+            end
+        end
+        if total_parts_len > 0 then
+            local urls = task:get_urls()
+            if urls then
+                local total_url_len = 0
+                for _,url in ipairs(urls) do
+                    total_url_len = total_url_len + url:get_length()
+                end
+                if total_url_len > 0 then
+                    if total_url_len + 7 > total_parts_len then
+                        task:insert_result('HFILTER_URL_ONLY', 1.00)
+                    elseif text_parts_count == 1 and selected_text_part and selected_text_part:get_length() < 1024 then
+                        -- We got a single text part with the total length < 1024 symbols.
+                        local part_text = selected_text_part:get_content()
+                        if part_text and not string.find(trim1(part_text), "\n") then
+                            task:insert_result('HFILTER_URL_ONELINE', 1.00)
+                        end
+                    end
+                end
+            end
+        end
     end
     
     return false