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

128 lines
3.3 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 "createRaster.h"
#include "../sint.h"
#include "../sreal.h"
#include "../sbool.h"
#include "../sstring.h"
#include "../msint.h"
#include "../msreal.h"
#include "../msbool.h"
#include "../msstring.h"
#include "../isint.h"
#include "../isreal.h"
#include "../isbool.h"
#include "../isstring.h"
#include "../util/parse_error.h"
#include "../util/types.h"
#include "StandardTypes.h"
#include <ListUtils.h>
using namespace std;
namespace raster2
{
ListExpr createRasterTM(ListExpr args) {
if(!nl->HasLength(args,2)){
return listutils::typeError("2 arguments expected");
}
string err = "{int, real, bool, string} x {grid2, grid3} expected";
ListExpr a1 = nl->First(args);
ListExpr a2 = nl->Second(args);
if( !CcInt::checkType(a1)
&& !CcReal::checkType(a1)
&& !CcBool::checkType(a1)
&& !CcString::checkType(a1)){
return listutils::typeError(err + " (first arg is not a cell type)");
}
if( !grid2::checkType(a2)
&& !grid3::checkType(a2)){
return listutils::typeError(err + " (second arg is not a grid)");
}
string t = nl->ToString(a1);
if(grid2::checkType(a2)){
return nl->SymbolAtom( util::getSpatialBasicType(t));
} else {
return nl->SymbolAtom( util::getMovingSpatialBasicType(t));
}
}
int createRasterSelectFun(ListExpr args) {
int pos = 0;
int offset = 0;
ListExpr a1 = nl->First(args);
ListExpr a2 = nl->Second(args);
if(CcBool::checkType(a1)){
pos = 0;
} else if(CcInt::checkType(a1)){
pos = 1;
} else if(CcReal::checkType(a1)){
pos = 2;
} else if(CcString::checkType(a1)){
pos = 3;
} else {
return -1;
}
if(grid2::checkType(a2)){
offset = 0;
} else if(grid3::checkType(a2)){
offset = 4;
} else {
return -1;
}
return offset + pos;
}
template <typename T>
int createRasterFun(Word* args, Word& result, int message,
Word& local, Supplier s)
{
result = qp->ResultStorage(s);
T* res = static_cast<T*>(result.addr);
typedef typename T::grid_type grid_type;
grid_type* grid = static_cast<grid_type*>(args[1].addr);
res->clear();
res->setGrid(*grid);
return 0;
}
ValueMapping createRasterFuns[] = {
createRasterFun<sbool>,
createRasterFun<sint>,
createRasterFun<sreal>,
createRasterFun<sstring>,
createRasterFun<msbool>,
createRasterFun<msint>,
createRasterFun<msreal>,
createRasterFun<msstring>,
0
};
}