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cuberite-2a/source/LuaScript.h
2013-07-29 10:03:42 +02:00

64 lines
1.5 KiB
C++

// LuaScript.h
// Declares the cLuaScript class that loads a Lua script file to produce a web template out of it
#pragma once
struct lua_State;
struct sLuaUsertype
{
sLuaUsertype(void* a_pObject, const char* a_pClassName) : Object(a_pObject), ClassName(a_pClassName) {}
//
void* Object;
const char* ClassName;
} ;
class cLuaScript
{
public:
cLuaScript();
~cLuaScript();
/// Prepares a Lua state
void Initialize();
/// Load a Lua script on the given path
bool LoadFile(const char* a_FilePath);
/// Execute the loaded Lua script
bool Execute();
/// Call a function on the Lua script. Put all overloads here
bool CallFunction(const char* a_Function, AString& ReturnedString);
bool CallFunction(const char* a_Function, const sLuaUsertype& a_UserType, AString& ReturnedString);
bool CallFunction(const char* a_Function, const sLuaUsertype& a_UserType1, const sLuaUsertype& a_UserType2, AString& ReturnedString);
protected:
/// Reports an error in the log if a_Status is flagged as an error. Returns true when a_Status is flagged as error, returns false when no error occured.
bool ReportErrors(int a_Status);
/// Helper functions for calling functions in Lua
bool LuaPushFunction(const char * a_FunctionName, bool a_bLogError = true);
bool LuaCallFunction(int a_NumArgs, int a_NumResults, const char * a_FunctionName ); // a_FunctionName is only used for error messages, nothing else
private:
lua_State* m_LuaState;
} ;