From 9803c45058f5e7671a6686249c31ba32228df5a0 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Wed, 29 Apr 2015 15:43:13 +0100
Subject: [PATCH] Add line counts to lua mimepart API.

---
 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 e83ba1770..f1012811a 100644
--- a/src/lua/lua_mimepart.c
+++ b/src/lua/lua_mimepart.c
@@ -67,6 +67,12 @@ LUA_FUNCTION_DEF (textpart, get_content);
  * @return {integer} length of part in **bytes**
  */
 LUA_FUNCTION_DEF (textpart, get_length);
+/***
+ * @method mime_part:get_lines_count()
+ * Get lines number in the part
+ * @return {integer} number of lines in the part
+ */
+LUA_FUNCTION_DEF (textpart, get_lines_count);
 /***
  * @method text_part:is_empty()
  * Returns `true` if the specified part is empty
@@ -106,6 +112,7 @@ static const struct luaL_reg textpartlib_m[] = {
 	LUA_INTERFACE_DEF (textpart, is_utf),
 	LUA_INTERFACE_DEF (textpart, get_content),
 	LUA_INTERFACE_DEF (textpart, get_length),
+	LUA_INTERFACE_DEF (textpart, get_lines_count),
 	LUA_INTERFACE_DEF (textpart, is_empty),
 	LUA_INTERFACE_DEF (textpart, is_html),
 	LUA_INTERFACE_DEF (textpart, get_fuzzy),
@@ -288,6 +295,26 @@ lua_textpart_get_length (lua_State * L)
 	return 1;
 }
 
+static gint
+lua_textpart_get_lines_count (lua_State * L)
+{
+	struct mime_text_part *part = lua_check_textpart (L);
+
+	if (part == NULL) {
+		lua_pushnil (L);
+		return 1;
+	}
+
+	if (IS_PART_EMPTY (part)) {
+		lua_pushnumber (L, 0);
+	}
+	else {
+		lua_pushnumber (L, part->nlines);
+	}
+
+	return 1;
+}
+
 static gint
 lua_textpart_is_empty (lua_State * L)
 {
-- 
2.39.5