Пример #1
0
void
FreezeScript::AssignVisitor::visitSequence(const SequenceDataPtr& dest)
{
    Slice::TypePtr type = dest->getType();
    SequenceDataPtr src = SequenceDataPtr::dynamicCast(_src);
    if(src && isCompatible(type, src->getType()))
    {
        DataList& srcElements = src->getElements();
        DataList destElements;
        Slice::SequencePtr seqType = Slice::SequencePtr::dynamicCast(type);
        assert(seqType);
        Slice::TypePtr elemType = seqType->type();
        string typeName = typeToString(type);
        for(DataList::const_iterator p = srcElements.begin(); p != srcElements.end(); ++p)
        {
            DataPtr element = _factory->create(elemType, false);
            Destroyer<DataPtr> elementDestroyer(element);
            AssignVisitor v(*p, _factory, _errorReporter, _convert, typeName + " element");
            element->visit(v);
            destElements.push_back(element);
            elementDestroyer.release();
        }
        DataList& l = dest->getElements();
        l.swap(destElements);
    }
    else
    {
        typeMismatchError(type, _src->getType());
    }
}
Пример #2
0
void
FreezeScript::TransformVisitor::visitSequence(const SequenceDataPtr& dest)
{
    Slice::TypePtr type = dest->getType();
    if(_info->doDefaultTransform(type))
    {
        SequenceDataPtr s = SequenceDataPtr::dynamicCast(_src);
        if(s && isCompatible(type, _src->getType()))
        {
            DataList& srcElements = s->getElements();
            DataList destElements;
            Slice::SequencePtr seqType = Slice::SequencePtr::dynamicCast(type);
            assert(seqType);
            Slice::TypePtr elemType = seqType->type();
            string typeName = typeToString(type);
            for(DataList::const_iterator p = srcElements.begin(); p != srcElements.end(); ++p)
            {
                DataPtr element = _info->getDataFactory()->create(elemType, false);
                Destroyer<DataPtr> elementDestroyer(element);
                try
                {
                    TransformVisitor v(*p, _info, typeName + " element");
                    element->visit(v);
                    destElements.push_back(element);
                    elementDestroyer.release();
                }
                catch(const ClassNotFoundException& ex)
                {
                    //
                    // If transformation of the sequence element fails because a class
                    // could not be found, then we invoke purgeObjects() to determine
                    // whether we should ignore the situation (and remove the element
                    // from the sequence) or raise the exception again.
                    //
                    if(!_info->purgeObjects())
                    {
                        throw;
                    }
                    warning("purging element of sequence " + typeToString(type) +
                            " due to missing class type " + ex.id);
                }
            }
            DataList& l = dest->getElements();
            l.swap(destElements);
        }
        else
        {
            typeMismatchError(type, _src->getType());
        }
    }
    _info->executeCustomTransform(dest, _src);
}