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source: code/branches/tutoriallevel/src/libraries/core/LuaState.h @ 8498

Last change on this file since 8498 was 7401, checked in by landauf, 14 years ago

merged doc branch back to trunk

  • Property svn:eol-style set to native
File size: 4.4 KB
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1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Benjamin Knecht
24 *      Reto Grieder
25 *   Co-authors:
26 *      ...
27 *
28 */
29
30/**
31    @defgroup Lua Lua
32    @ingroup Core
33*/
34
35/**
36    @file
37    @ingroup Lua
38*/
39
40#ifndef _LuaState_H__
41#define _LuaState_H__
42
43#include "CorePrereqs.h"
44
45#include <map>
46#include <sstream>
47#include <string>
48#include <vector>
49#include <boost/shared_ptr.hpp>
50#include <loki/ScopeGuard.h>
51
52#include "ToluaInterface.h"
53
54namespace orxonox // tolua_export
55{ // tolua_export
56    class LuaFunctor; // tolua_export
57
58    //! callback class that executes lua code
59    class _CoreExport LuaFunctor
60    {
61        public:
62            LuaFunctor(const std::string& code, LuaState* luaState);
63            void operator()();
64
65        private:
66            std::string code_;
67            LuaState*   lua_;
68    };
69
70
71    /**
72    @brief
73        Representation of an interface to lua
74    */
75    class _CoreExport LuaState // tolua_export
76    { // tolua_export
77    public:
78        LuaState();
79        ~LuaState();
80
81        bool doFile(const std::string& filename); // tolua_export
82        bool doString(const std::string& code, const shared_ptr<ResourceInfo>& sourceFileInfo = shared_ptr<ResourceInfo>());
83
84        bool includeFile(const std::string& filename); // tolua_export
85        bool includeString(const std::string& code, const shared_ptr<ResourceInfo>& sourceFileInfo = shared_ptr<ResourceInfo>());
86
87        void luaPrint(const std::string& str); // tolua_export
88        void luaLog(unsigned int level, const std::string& message); // tolua_export
89        bool fileExists(const std::string& filename); // tolua_export
90        std::string getSourceCode(const std::string& filename); // tolua_export
91
92        const std::stringstream& getOutput() const { return output_; }
93        void clearOutput() { output_.clear(); } // tolua_export
94
95        void setIncludeParser(std::string (*function)(const std::string&)) { includeParseFunction_ = function; }
96        lua_State* getInternalLuaState() { return luaState_; }
97
98        void setDefaultResourceInfo(const shared_ptr<ResourceInfo>& sourceFileInfo) { this->sourceFileInfo_ = sourceFileInfo; }
99        const shared_ptr<ResourceInfo>& getDefaultResourceInfo() { return this->sourceFileInfo_; }
100
101        LuaFunctor* createLuaFunctor(const std::string& code) { return new LuaFunctor(code, this); } // tolua_export
102        //! Tells about whether IOConsole was activated. The Lua debugger only works with a normal console.
103        bool usingIOConsole() const; // tolua_export
104
105        static bool addToluaInterface(int (*function)(lua_State*), const std::string& name);
106        static bool removeToluaInterface(const std::string& name);
107        static void openToluaInterfaces(lua_State* state);
108        static void closeToluaInterfaces(lua_State* state);
109
110        static const std::string ERROR_HANDLER_NAME;
111
112    private:
113        shared_ptr<ResourceInfo> getFileInfo(const std::string& filename);
114
115#if LUA_VERSION_NUM != 501
116        struct LoadS
117        {
118            const char* s;
119            size_t size;
120        };
121
122        static const char * lua_Chunkreader(lua_State *L, void *data, size_t *size);
123#endif
124
125        std::stringstream output_;
126        lua_State* luaState_;
127        bool bIsRunning_;
128        shared_ptr<ResourceInfo> sourceFileInfo_;
129        std::map<std::string, std::string> sourceCodeMap_;
130        std::string (*includeParseFunction_)(const std::string&);
131
132        typedef std::map<std::string, int (*)(lua_State *L)> ToluaInterfaceMap;
133        static ToluaInterfaceMap toluaInterfaces_s;
134        static std::vector<LuaState*> instances_s;
135    }; // tolua_export
136} // tolua_export
137
138#endif /* _LuaState_H__ */
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