From f0a9da38f3df5b4efa75be07df129f49932f2526 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Wed, 29 Apr 2015 15:55:59 +0100
Subject: [PATCH] Allow to get mime part from text part in lua.

---
 src/lua/lua_mimepart.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/src/lua/lua_mimepart.c b/src/lua/lua_mimepart.c
index f1012811a..354dd3824 100644
--- a/src/lua/lua_mimepart.c
+++ b/src/lua/lua_mimepart.c
@@ -97,6 +97,12 @@ LUA_FUNCTION_DEF (textpart, get_fuzzy);
  * @return {string} short abbreviation (such as `ru`) for the script's language
  */
 LUA_FUNCTION_DEF (textpart, get_language);
+/***
+ * @method text_part:get_mimepart()
+ * Returns the mime part object corresponding to this text part
+ * @return {mimepart} mimepart object
+ */
+LUA_FUNCTION_DEF (textpart, get_mimepart);
 /***
  * @method text_part:compare_distance(other)
  * Calculates the difference to another text part.  This function is intended to work with
@@ -117,6 +123,7 @@ static const struct luaL_reg textpartlib_m[] = {
 	LUA_INTERFACE_DEF (textpart, is_html),
 	LUA_INTERFACE_DEF (textpart, get_fuzzy),
 	LUA_INTERFACE_DEF (textpart, get_language),
+	LUA_INTERFACE_DEF (textpart, get_mimepart),
 	LUA_INTERFACE_DEF (textpart, compare_distance),
 	{"__tostring", rspamd_lua_class_tostring},
 	{NULL, NULL}
@@ -380,6 +387,26 @@ lua_textpart_get_language (lua_State * L)
 	return 1;
 }
 
+static gint
+lua_textpart_get_mimepart (lua_State * L)
+{
+	struct mime_text_part *part = lua_check_textpart (L);
+	struct mime_part **pmime;
+
+	if (part != NULL) {
+		if (part->mime_part != NULL) {
+			pmime = lua_newuserdata (L, sizeof (struct mime_part *));
+			rspamd_lua_setclass (L, "rspamd{mimepart}", -1);
+			*pmime = part->mime_part;
+
+			return 1;
+		}
+	}
+
+	lua_pushnil (L);
+	return 1;
+}
+
 static gint
 lua_textpart_compare_distance (lua_State * L)
 {
-- 
2.39.5