Files
secondo/Algebras/Raster2/Operators/s2ms.cpp
2026-01-23 17:03:45 +08:00

88 lines
2.5 KiB
C++

/*
This file is part of SECONDO.
Copyright (C) 2011, University in Hagen, Department of Computer Science,
Database Systems for New Applications.
SECONDO is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
SECONDO is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with SECONDO; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <sstream>
#include "../stype.h"
#include "../sint.h"
#include "../sbool.h"
#include "../sreal.h"
#include "../sstring.h"
#include "../mstype.h"
#include "../msint.h"
#include "../msbool.h"
#include "../msreal.h"
#include "../msstring.h"
#include "../util/types.h"
#include "s2ms.h"
namespace raster2 {
ValueMapping s2msFuns[] = {
s2msFun<sint, msint>,
s2msFun<sreal, msreal>,
s2msFun<sbool, msbool>,
s2msFun<sstring, msstring>,
0
};
int s2msSelectFun(ListExpr args) {
ListExpr a1 = nl->First(args);;
if (sint::checkType(a1)) {
return 0;
} else if (sreal::checkType(a1)) {
return 1;
} else if (sbool::checkType(a1)) {
return 2;
} else if (sstring::checkType(a1)) {
return 3;
} else { // invalid type
return -1;
}
}
ListExpr s2msTypeMap(ListExpr args) {
if(!nl->HasLength(args,4)){
return listutils::typeError("4 arguments expeted");
}
std::string err = "stype x duration x instant x instant expected";
ListExpr stype = nl->First(args);
ListExpr dur = nl->Second(args);
ListExpr start = nl->Third(args);
ListExpr end = nl->Fourth(args);
if( !util::isSType(stype)
|| !Duration::checkType(dur)
|| !datetime::DateTime::checkType(start)
|| !datetime::DateTime::checkType(end)){
return listutils::typeError(err);
}
std::string st = nl->SymbolValue(stype);
std::string ct = util::getValueBasicType(st);
std::string mt = util::getMovingSpatialBasicType(ct);
return nl->SymbolAtom(mt);
}
}