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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* luautil.h
*
* Fri Apr 13 14:38:53 CEST 2007
* Copyright 2007 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of Pracro.
*
* Pracro 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 2 of the License, or
* (at your option) any later version.
*
* Pracro 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 Pracro; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#ifndef __PRACRO_LUAUTIL_H__
#define __PRACRO_LUAUTIL_H__
#include <lua.hpp>
#include <lauxlib.h>
#include <string>
#include <vector>
namespace Pracro {
/**
* Set a global pointer that can be reaced from the cFunctions at a later time,
* using the getGlobal function.
* @param L The lua_State (active program) from which to get the pointer.
* @param name The symbolic name in which to store the pointer.
* @param p The pointer to set.
*/
void setGlobal(lua_State *L, std::string name, void *p);
/**
* Get a global pointer set by the setGlobal function.
* @param L The lua_State (active program) in which to set the pointer.
* @param name The symbolic name in which the pointer is stored.
* @return The pointer.
*/
void *getGlobal(lua_State *L, std::string name);
/**
* Call a function in a lua program.
* @param L The lua_State (active program) in which to set the function resides.
* @param function The name of the function to be called.
*/
void call(lua_State *L, std::string function, int numargs = 0);
typedef enum {
T_STRING,
T_NUMBER,
T_BOOLEAN,
T_END
} types_t;
/**
* Check parameter types and number.
* @param L The lua_State (active program) in which to set the function resides.
* @param types The type list (c-vector), describing the required types
* on the stack. The last type must be a terminating T_END.
* @return 0 on success. On error a long jump is made through lua_error, thus
* the function never returns.
*/
// int checkParameters(lua_State *L, types_t types[]);
int checkParameters(lua_State *L, ...);
bool hasField(lua_State *L, int i, std::string name);
bool testField(lua_State *L, std::vector<std::string> groups,
std::string field);
bool getField(lua_State *L, std::vector<std::string> groups,
std::string field);
bool createField(lua_State *L, std::vector<std::string> groups,
std::string field);
void stack(lua_State* l, const char *fmt, ...);
};
#endif/*__PRACRO_LUAUTIL_H__*/
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