ALERROR CEffectCreator::CreateSimpleFromXML (SDesignLoadCtx &Ctx, CXMLElement *pDesc, const CString &sUNID, CEffectCreator **retpCreator)
// CreateSimpleFromXML
//
// Creates the creator from an XML element
{
ALERROR error;
CEffectCreator *pCreator;
// Create the effect based on the tag
if (error = CreateFromTag(pDesc->GetTag(), &pCreator))
{
Ctx.sError = strPatternSubst(CONSTLIT("Invalid painter tag: %s"), pDesc->GetTag());
return error;
}
if (pCreator == NULL)
return ERR_MEMORY;
pCreator->m_sUNID = sUNID;
// Type-specific creation
if (error = pCreator->OnEffectCreateFromXML(Ctx, pDesc, sUNID))
return error;
// Done
*retpCreator = pCreator;
return NOERROR;
}
ALERROR CEffectCreator::CreateTypeFromXML (SDesignLoadCtx &Ctx, CXMLElement *pDesc, CEffectCreator **retpCreator)
// CreateTypeFromXML
//
// Creates the class only. This is used by the main Design load code when we use
// the full <EffectType> definition.
{
ALERROR error;
CEffectCreator *pCreator;
// Create the effect based on the child tag
CXMLElement *pEffect = pDesc->GetContentElementByTag(EFFECT_TAG);
if (pEffect == NULL)
{
Ctx.sError = CONSTLIT("<EffectType> must have an <Effect> sub-element.");
return ERR_FAIL;
}
// If we've got no sub elements, then its a null creator
if (pEffect->GetContentElementCount() == 0)
pCreator = new CNullEffectCreator;
// If we've got a single element, then we create a simple creator
else if (pEffect->GetContentElementCount() == 1)
{
const CString &sTag = pEffect->GetContentElement(0)->GetTag();
if (error = CreateFromTag(sTag, &pCreator))
{
Ctx.sError = strPatternSubst(CONSTLIT("Invalid effect tag: %s"), sTag);
return error;
}
}
// Otherwise we have a group
else
pCreator = new CEffectGroupCreator;
// Done
*retpCreator = pCreator;
return NOERROR;
}
