34 lines
837 B
C++
34 lines
837 B
C++
#ifndef SCRIPTING_ENVIRONMENT_HPP
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#define SCRIPTING_ENVIRONMENT_HPP
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#include <string>
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#include <memory>
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#include <mutex>
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#include <tbb/enumerable_thread_specific.h>
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struct lua_State;
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/**
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* Creates a lua context and binds osmium way, node and relation objects and
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* ExtractionWay and ExtractionNode to lua objects.
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*
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* Each thread has its own lua state which is implemented with thread specific
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* storage from TBB.
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*/
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class ScriptingEnvironment
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{
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public:
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ScriptingEnvironment() = delete;
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explicit ScriptingEnvironment(const std::string &file_name);
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lua_State *get_lua_state();
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private:
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void init_lua_state(lua_State *lua_state);
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std::mutex init_mutex;
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std::string file_name;
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tbb::enumerable_thread_specific<std::shared_ptr<lua_State>> script_contexts;
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};
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#endif /* SCRIPTING_ENVIRONMENT_HPP */
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