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51 lines
1.6 KiB
51 lines
1.6 KiB
#ifndef LUAOBJECT_H
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#define LUAOBJECT_H
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#include "luavalue.h"
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/// LuaObject, all bound classes must be derived from it
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class LuaObject : public std::enable_shared_from_this<LuaObject>
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{
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public:
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LuaObject();
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virtual ~LuaObject();
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/// Call a field of this lua object
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template<typename... T>
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LuaValueList callField(const std::string& field, const T&... args) {
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// note that we must retrive the field from or lua value (to use the __index metamethod)
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// so we cannot use our getField here
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auto fieldFunc = toLuaValue()->getField(field);
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auto funcName = make_string(getLuaTypeName(), ":", field);
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return fieldFunc->call(funcName, shared_from_this(), args...);
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}
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/// Set a field of this lua object
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template<typename T>
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void setField(const std::string& key, const T& value) {
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m_luaTable->setField(key, value);
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}
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/// Get a field of this lua object
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LuaValuePtr getField(const std::string& key) {
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return m_luaTable->getField(key);
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}
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/// Returns current use count by the shared_ptr
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int getUseCount() { return shared_from_this().use_count() - 1; }
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/// Class name used in lua, must be overridden by derived classes
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virtual const char* getLuaTypeName() const = 0;
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/** Convert to a lua value for pushing this object into lua stack.
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* Each call to this will create a new pointer, thus increasing the use count.*/
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LuaValuePtr toLuaValue();
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LuaObjectPtr asLuaObject() { return shared_from_this(); }
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private:
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LuaValuePtr m_luaTable;
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};
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#endif // LUAOBJECT_H
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