1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/*
* Smart Auto Replier (SAR) - auto replier plugin for Miranda IM
*
* Copyright (C) 2004 - 2012 by Volodymyr M. Shcherbyna <volodymyr@shcherbyna.com>
*
* This code is inspired by article of RichardS at http://www.codeproject.com/Articles/11508/Integrating-Lua-into-C
*
* This file is part of SAR.
*
* SAR is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* SAR is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with SAR. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "luainc.h"
class CLuaBridge
{
public:
CLuaBridge(void);
~CLuaBridge(void);
public:
static int LuaDebugMessage(lua_State * pContext);
static void HandleLuaAsssert(lua_State * pContext);
bool RunScript(const char *szScript, size_t nLength, const char *szFuncName = NULL);
bool ExecuteFunction(int nArgs, int nReturns = 0);
operator lua_State *();
protected:
lua_State *m_pLuaContext;
};
class CLuaStack
{
public:
CLuaStack(CLuaBridge & luaBridge) : m_pState(NULL), m_nTopIndex(0)
{
m_pState = (lua_State*)luaBridge;
m_nTopIndex = lua_gettop(m_pState);
}
virtual ~CLuaStack()
{
lua_settop(m_pState, m_nTopIndex);
}
protected:
lua_State *m_pState;
int m_nTopIndex;
};
class CLuaTableThis
{
public:
CLuaTableThis(CLuaBridge & luaBridge, int nRef) : m_nOldRef(0), m_luaBridge(luaBridge)
{
lua_State *state = (lua_State*)m_luaBridge;
lua_getglobal(state, "this");
m_nOldRef = luaL_ref(state, LUA_REGISTRYINDEX);
lua_rawgeti(state, LUA_REGISTRYINDEX, nRef);
lua_setglobal(state, "this");
}
virtual ~CLuaTableThis()
{
lua_State *state = (lua_State*)m_luaBridge;
if (m_nOldRef > 0)
{
lua_rawgeti(state, LUA_REGISTRYINDEX, m_nOldRef);
lua_setglobal (state, "this");
luaL_unref(state, LUA_REGISTRYINDEX, m_nOldRef);
}
}
protected:
int m_nOldRef;
CLuaBridge & m_luaBridge;
};
|
