[Minor] Allow to get words from text parts

diff --git a/src/lua/lua_mimepart.c b/src/lua/lua_mimepart.c
index 01252055337c3c3fb47548d8b5b6402a91f7e112..3713682c03d49481fdb0df7fd52f1b89a32d9bc1 100644 (file)
--- a/src/lua/lua_mimepart.c
+++ b/src/lua/lua_mimepart.c
@@ -13,8 +13,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 #include "lua_common.h"
 #include "message.h"
+#include "libstat/stat_api.h"
 
 /* Textpart methods */
 /***
@@ -125,6 +127,14 @@ LUA_FUNCTION_DEF (textpart, get_stats);
  * @return {integer} number of words in the part
  */
 LUA_FUNCTION_DEF (textpart, get_words_count);
+
+/***
+ * @method mime_part:get_words()
+ * Get words in the part
+ * @return {table/strings} words in the part
+ */
+LUA_FUNCTION_DEF (textpart, get_words);
+
 /***
  * @method text_part:is_empty()
  * Returns `true` if the specified part is empty
@@ -168,6 +178,7 @@ static const struct luaL_reg textpartlib_m[] = {
        LUA_INTERFACE_DEF (textpart, get_urls_length),
        LUA_INTERFACE_DEF (textpart, get_lines_count),
        LUA_INTERFACE_DEF (textpart, get_words_count),
+       LUA_INTERFACE_DEF (textpart, get_words),
        LUA_INTERFACE_DEF (textpart, is_empty),
        LUA_INTERFACE_DEF (textpart, is_html),
        LUA_INTERFACE_DEF (textpart, get_html),
@@ -652,6 +663,34 @@ lua_textpart_get_words_count (lua_State *L)
        return 1;
 }
 
+static gint
+lua_textpart_get_words (lua_State *L)
+{
+       struct rspamd_mime_text_part *part = lua_check_textpart (L);
+       rspamd_stat_token_t *w;
+       guint i;
+
+       if (part == NULL) {
+               return luaL_error (L, "invalid arguments");
+       }
+
+       if (IS_PART_EMPTY (part) || part->normalized_words == NULL) {
+               lua_createtable (L, 0, 0);
+       }
+       else {
+               lua_createtable (L, part->normalized_words->len, 0);
+
+               for (i = 0; i < part->normalized_words->len; i ++) {
+                       w = &g_array_index (part->normalized_words, rspamd_stat_token_t, i);
+
+                       lua_pushlstring (L, w->begin, w->len);
+                       lua_rawseti (L, -2, i + 1);
+               }
+       }
+
+       return 1;
+}
+
 static gint
 lua_textpart_is_empty (lua_State * L)
 {