63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
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/*
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This file is part of SECONDO.
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Copyright (C) 2011, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef RASTER2_SBOOL_H_
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#define RASTER2_SBOOL_H_
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#include "stype.h"
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#include "Defines.h"
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namespace raster2
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{
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struct sbool_helper
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{
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typedef stype<char, sbool_helper> implementation_type;
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typedef CcBool wrapper_type;
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typedef temporalalgebra::MBool moving_type;
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typedef temporalalgebra::UBool unit_type;
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static std::string name();
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static bool check(const NList& nl) { return nl.isBool(); }
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static char parse(const NList& nl) { return char(nl.boolval()); }
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static NList print(const char& c)
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{ return isUndefined(c)
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? NList(Symbol::UNDEFINED())
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: NList(bool(c), true); }
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static bool isUndefined(const char& t) { return t == UNDEFINED_BOOL(); }
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static char getUndefined() { return UNDEFINED_BOOL(); }
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static std::string BasicType() { return CcBool::BasicType(); }
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static wrapper_type wrap(const char& t) {
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return CcBool(!isUndefined(t), int(t));
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}
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static char unwrap(const CcBool& i) {
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if (i.IsDefined()) {
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return i.GetValue();
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} else {
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return getUndefined();
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}
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}
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};
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typedef stype<char, sbool_helper> sbool;
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}
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#endif /* SBOOL_H_ */
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