// Return the value, looking up any indirect ref.
public int GetValue(MHEngine engine)
{
if (m_fIsDirect)
{
return(m_nDirect);
}
else
{
MHUnion result = new MHUnion();
MHRoot pBase = engine.FindObject(m_Indirect);
pBase.GetVariableValue(result, engine);
// From my reading of the MHEG documents implicit conversion is only
// performed when assigning variables. Nevertheless the Channel 4
// Teletext assumes that implicit conversion takes place here as well.
if (result.Type == MHUnion.U_String)
{
// Implicit conversion of string to integer.
return(Convert.ToInt32(result.String.ToString()));
}
else
{
result.CheckType(MHUnion.U_Int);
return(result.Int);
}
}
}
// Return the value, looking up any indirect ref.
public void GetValue(MHOctetString str, MHEngine engine)
{
if (m_fIsDirect)
{
str.Copy(m_Direct);
}
else
{
MHUnion result = new MHUnion();
MHRoot pBase = engine.FindObject(m_Indirect);
pBase.GetVariableValue(result, engine);
// From my reading of the MHEG documents implicit conversion is only
// performed when assigning variables. Nevertheless the Channel 4
// Teletext assumes that implicit conversion takes place here as well.
if (result.Type == MHUnion.U_Int)
{
// Implicit conversion of string to integer.
MHOctetString s = new MHOctetString("" + result.Int);
str.Copy(s);
}
else
{
result.CheckType(MHUnion.U_String);
str.Copy(result.String);
}
}
}
// Return the value, looking up any indirect ref.
public void GetValue(MHContentRef reference, MHEngine engine)
{
if (m_fIsDirect)
{
reference.Copy(m_Direct);
}
else
{
MHUnion result = new MHUnion();
MHRoot pBase = engine.FindObject(m_Indirect);
pBase.GetVariableValue(result, engine);
result.CheckType(MHUnion.U_ContentRef);
reference.Copy(result.ContentRef);
}
}
// Return the value, looking up any indirect ref.
public bool GetValue(MHEngine engine)
{
if (m_fIsDirect)
{
return(m_fDirect);
}
else
{
MHUnion result = new MHUnion();
MHRoot pBase = engine.FindObject(m_Indirect);
pBase.GetVariableValue(result, engine);
result.CheckType(MHUnion.U_Bool);
return(result.Bool);
}
}
