From de46b91a524c5f2c8e72b379f2900afe34ccb815 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Thu, 11 Nov 2021 10:29:17 +0800
Subject: *misc

---
 Runtime/Lua/LuaHelper.cpp | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'Runtime/Lua/LuaHelper.cpp')

diff --git a/Runtime/Lua/LuaHelper.cpp b/Runtime/Lua/LuaHelper.cpp
index 71fe782..084d4f6 100644
--- a/Runtime/Lua/LuaHelper.cpp
+++ b/Runtime/Lua/LuaHelper.cpp
@@ -236,4 +236,32 @@ bool LuaHelper::GetLuaClass(LuaBind::State& state, const char* fullName)
     lua_replace(state, top + 1);
     lua_settop(state, top + 1);
     return true;
+}
+
+bool LuaHelper::GetGlobalField(LuaBind::State& state, const char* fullName)
+{
+	if (fullName == NULL || strlen(fullName) == 0)
+		return false;
+	int top = state.GetTop();
+	lua_pushvalue(state, LUA_GLOBALSINDEX);
+	string name = fullName;
+	while (name.size() > 0)
+	{
+		int dot = name.find('.');
+		dot = dot != string::npos ? dot : name.size();
+		string pkg = name.substr(0, dot);
+		if (dot < name.size())
+			name = name.substr(dot + 1, name.size() - dot - 1);
+		else
+			name = "";
+		lua_getfield(state, -1, pkg.c_str());
+		if (lua_isnil(state, -1))
+		{
+			lua_settop(state, top);
+			return false;
+		}
+	}
+	lua_replace(state, top + 1);
+	lua_settop(state, top + 1);
+	return true;
 }
\ No newline at end of file
-- 
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