101 lines
2.1 KiB
C++
101 lines
2.1 KiB
C++
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/*
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implementation of operator mm2m
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*/
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#include "Operator.h"
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#include "NestedList.h"
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#include "QueryProcessor.h"
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#include "StandardTypes.h"
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#include "TypeMapUtils.h"
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#include "ListUtils.h"
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#include "MPoint2.h"
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#include "Algebras/Temporal/TemporalAlgebra.h"
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extern NestedList* nl;
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extern QueryProcessor* qp;
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using namespace std;
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using namespace temporalalgebra;
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namespace temporal2algebra{
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struct MM2MInfo : OperatorInfo {
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MM2MInfo() : OperatorInfo() {
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name = "mm2m";
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signature = "mpoint -> mpoint2";
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syntax = "<MPoint2> mm2m;";
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meaning = "Converts an <MPoint2> into an MPoint";
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}
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};
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ListExpr MM2M_tm( ListExpr args ) {
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if (!nl->HasLength(args,1)) {
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return listutils::typeError("expected 1 argument.");
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}
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if (!MPoint2::checkType(nl->First(args))) {
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return listutils::typeError("expected "
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+ MPoint2::BasicType()
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+ " as first argument, but got "
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+ nl->ToString(nl->First(args)));
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}
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return NList(MPoint::BasicType()).listExpr();
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}
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int MM2M_sf( ListExpr args ) {
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return 0;
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}
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int MM2M_vm( Word* args, Word& result, int message,
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Word& local, Supplier s )
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{
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MPoint2* mpoint2 = static_cast<MPoint2*>(args[0].addr);
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result = qp->ResultStorage(s);
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MPoint* mpoint = static_cast<MPoint*>(result.addr);
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std::cout << "MM2M_vm got: "
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<< mpoint2
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<< std::endl;
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// logic from MPoint::CopyFrom(const Attribute* right)
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if (mpoint2->IsDefined()) {
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mpoint->Clear();
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mpoint->SetDefined(true);
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mpoint->StartBulkLoad();
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UPoint unit(false);
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for ( int i = 0; i < mpoint2->GetNoComponents(); i++) {
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mpoint2->Get(i, unit);
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mpoint->Add(unit);
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}
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mpoint->EndBulkLoad(false);
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} else {
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mpoint->Clear();
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mpoint->SetDefined(false);
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}
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return 0;
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}
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ValueMapping MM2M_vms[] =
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{
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MM2M_vm
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};
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Operator* getMM2MOpPtr() {
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return new Operator(
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MM2MInfo(),
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MM2M_vms,
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MM2M_sf,
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MM2M_tm
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);
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}
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} // end of namespace temporal2algebra
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