enum EUISCRIPTDATATYPE
{
 EUSDT_INT,
 EUSDT_UINT,
 EUSDT_FLOAT,
 EUSDT_DOUBLE,
 EUSDT_STRING,
 EUSDT_POINTER,
 EUSDT_SCRIPTMETHOD,
 EUSDT_SCRIPTINSTANCE,
};

class IUIScriptInstance;
class IUIScriptMethod;

class IUIScriptValue
{
public:
 virtual ~IUIScriptValue() {}
 virtual void Release() = 0;
 virtual EUISCRIPTDATATYPE GetType() const = 0;

 virtual IUIScriptValue * Clone() = 0;
 virtual long ToInt() const = 0;
 virtual unsigned long ToUInt() const = 0;
 virtual const wchar_t * ToString() const = 0;
 virtual float ToFloat() const = 0;
 virtual double ToDouble() const = 0;
 virtual void * ToPointer() const = 0;
 virtual IUIScriptInstance * ToScriptInstance() const = 0;
 virtual IUIScriptMethod * ToScriptMethod() const = 0;

 virtual void SetValue( IUIScriptValue * pValue ) = 0;
 virtual void SetPointer( void * pVal ) = 0;
 virtual void SetInt( long lVal ) = 0;
 virtual void SetUInt( unsigned long ulVal ) = 0;
 virtual void SetString( const wchar_t * pszVal ) = 0;
 virtual void SetFloat( float fVal ) = 0;
 virtual void SetDouble( double dVal ) = 0;
 virtual void SetScriptInstance( IUIScriptInstance * pInstance ) = 0;
 virtual void SetScriptMethod( IUIScriptMethod * pMethod ) = 0;
};

class IUIScriptMethod
{
public:
 virtual ~IUIScriptMethod() {}
 virtual void Release() = 0;
 virtual IUIScriptInstance * GetOwner() const = 0;
 virtual IUIScriptValue * CallWithParams( IUIScriptValue ** pParams, int iParamCount ) = 0;
 virtual IUIScriptValue * Call() = 0;
};

class IUIScriptInstance
{
public:
 virtual ~IUIScriptInstance() {}
 virtual void Release() = 0;
 virtual IUIScriptMethod * GetMethod( const wchar_t * pszMethodName ) = 0;
 virtual IUIScriptValue * GetVariableValue( const wchar_t * pszVariableName ) = 0;
 virtual void SetVariableValue( const wchar_t * pszVariableName, IUIScriptValue * pValue ) = 0;
};

class IUIScriptContext : public IUIContext
{
public:
 virtual ~IUIScriptContext() {}
 virtual IUIScriptInstance * GetScriptInstance( const wchar_t * pszPath ) = 0;
 virtual IUIScriptValue * ValueFromValue( IUIScriptValue * pValue ) = 0;
 virtual IUIScriptValue * ValueFromPointer( void * pVal ) = 0;
 virtual IUIScriptValue * ValueFromInt( long lVal ) = 0;
 virtual IUIScriptValue * ValueFromUInt( unsigned long ulVal ) = 0;
 virtual IUIScriptValue * ValueFromString( const wchar_t * pszVal ) = 0;
 virtual IUIScriptValue * ValueFromFloat( float fVal ) = 0;
 virtual IUIScriptValue * ValueFromDouble( double dVal ) = 0;
 virtual IUIScriptValue * ValueFromScriptInstance( IUIScriptInstance * pInstance ) = 0;
 virtual IUIScriptValue * ValueFromScriptMethod( IUIScriptMethod * pMethod ) = 0;
};