1 files changed, 88 insertions, 68 deletions
diff --git a/Runtime/Lua/LuaBind/LuaBindState.cpp b/Runtime/Lua/LuaBind/LuaBindState.cpp
index 137acbf..9210768 100644
--- a/Runtime/Lua/LuaBind/LuaBindState.cpp
+++ b/Runtime/Lua/LuaBind/LuaBindState.cpp
@@ -4,6 +4,7 @@
 #include "LuaBindClass.hpp"
 #include "LuaBindInternal.h"
 
+#include <string.h>
 #include <string>
 
 namespace LuaBind
@@ -539,75 +540,94 @@ namespace LuaBind
 		return true;
 	}
 
-	bool State::CheckParams(int idx, cc8* format)
-	{
-		idx = AbsIndex(idx);
-
-		for (int i = 0; format[i]; ++i) {
-
-			int pos = idx + i;
-			int type = LUA_TNIL;
-			int expected = LUA_TNONE;
-
-			if (pos <= GetTop()) {
-				type = lua_type(mState, pos);
-			}
-
-			switch (format[i]) {
-
-				// boolean
-			case 'B':
-				if (type != LUA_TBOOLEAN) expected = LUA_TBOOLEAN;
-				break;
-
-				// coroutine
-			case 'C':
-				if (type != LUA_TTHREAD) expected = LUA_TTHREAD;
-				break;
-
-				// function
-			case 'F':
-				if (type != LUA_TFUNCTION) expected = LUA_TFUNCTION;
-				break;
-
-				// light userdata
-			case 'L':
-				if (type != LUA_TLIGHTUSERDATA) expected = LUA_TLIGHTUSERDATA;
-				break;
-
-				// number
-			case 'N':
-				if (type != LUA_TNUMBER) expected = LUA_TNUMBER;
-				break;
-
-				// string
-			case 'S':
-				if (type != LUA_TSTRING) expected = LUA_TSTRING;
-				break;
-
-				// table
-			case 'T':
-				if (type != LUA_TTABLE) expected = LUA_TTABLE;
-				break;
-
-				// userdata
-			case 'U':
-				if (type != LUA_TUSERDATA) expected = LUA_TUSERDATA;
-				break;
-
-				// any type
-			case '*':
-			case '.':
-				break;
-			}
-
-			if (expected != LUA_TNONE) {
-				return false;
-			}
-		}
+    bool State::CheckParams(int idx, cc8* format, int len)
+    {
+        idx = AbsIndex(idx);
+
+        for (int i = 0; i < len; ++i) {
+            int pos = idx + i;
+            int type = LUA_TNIL;
+            bool expected = true;
+            if (pos <= GetTop()) {
+                type = lua_type(mState, pos);
+            }
+
+            switch (format[i]) {
+
+                    // boolean
+                case 'B':
+                    if (type != LUA_TBOOLEAN) expected = false;
+                    break;
+
+                    // coroutine
+                case 'C':
+                    if (type != LUA_TTHREAD) expected = false;
+                    break;
+
+                    // function
+                case 'F':
+                    if (type != LUA_TFUNCTION) expected = false;
+                    break;
+
+                    // light userdata
+                case 'L':
+                    if (type != LUA_TLIGHTUSERDATA) expected = false;
+                    break;
+
+                    // number
+                case 'N':
+                    if (type != LUA_TNUMBER) expected = false;
+                    break;
+
+                    // string
+                case 'S':
+                    if (type != LUA_TSTRING) expected = false;
+                    break;
+
+                    // table
+                case 'T':
+                    if (type != LUA_TTABLE) expected = false;
+                    break;
+
+                    // userdata
+                case 'U':
+                    if (type != LUA_TUSERDATA) expected = false;
+                    break;
+
+                    // any type
+                case '*':
+                    break;
+
+                    // not nil
+                case '+':
+                    if (type == LUA_TNIL) expected = false;
+                    break;
+            }
+
+            if (!expected) {
+                return false;
+            }
+        }
+
+        return true;
+    }
 
-		return true;
-	}
+	bool State::CheckParams(int idx, cc8* fmt)
+	{
+        cc8* blank = fmt + strlen(fmt);
+        while (*fmt) {
+            int len = blank - fmt;
+            const char* end = strchr(fmt, '|');
+            if (end != NULL){
+                len = end - fmt;
+            }
+            if (CheckParams(idx, fmt, len)){
+                return true;
+            }
+            fmt = fmt + len + (end != NULL ? 1 : 0);
+        }
+        return false;
+    }
 	
 	template <>
 	bool State::GetValue < bool >(int idx, const bool value) {