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/**************************************************************************
* *
* Regina - A Normal Surface Theory Calculator *
* Computational Engine *
* *
* Copyright (c) 1999-2008, Ben Burton *
* For further details contact Ben Burton (bab@debian.org). *
* *
* This program 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. *
* *
* This program 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 this program; if not, write to the Free *
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *
* MA 02110-1301, USA. *
* *
**************************************************************************/
/* end stub */
#include "surfaces/sfproperties.h"
#include "surfaces/nnormalsurface.h"
#include "file/nfile.h"
#include "utilities/xmlutils.h"
#define PROPSF_EULER 1001
#define PROPSF_ORIENT 1002
#define PROPSF_COMPACT 1003
#define PROPSF_REALBDRY 1004
namespace regina {
NLargeInteger NSurfaceFilterProperties::getEC(unsigned long index) const {
std::set<NLargeInteger>::const_iterator it = eulerCharacteristic.begin();
advance(it, index);
return *it;
}
bool NSurfaceFilterProperties::accept(const NNormalSurface& surface) const {
if (! realBoundary.contains(surface.hasRealBoundary()))
return false;
if (! compactness.contains(surface.isCompact()))
return false;
// Some properties may only be calculated for compact surfaces.
if (surface.isCompact()) {
NTriBool orientable = surface.isOrientable();
if (orientable.isKnown())
if (! orientability.contains(orientable.isTrue()))
return false;
if (eulerCharacteristic.size() > 0)
if (! eulerCharacteristic.count(surface.getEulerCharacteristic()))
return false;
}
// All tests passed.
return true;
}
void NSurfaceFilterProperties::writeTextLong(std::ostream& o) const {
o << "Filter normal surfaces with restrictions:\n";
if (eulerCharacteristic.size() > 0) {
o << " Euler characteristic:";
std::set<NLargeInteger>::const_reverse_iterator it;
for (it = eulerCharacteristic.rbegin();
it != eulerCharacteristic.rend(); it++)
o << ' ' << *it;
o << '\n';
}
if (orientability != NBoolSet::sBoth)
o << " Orientability: " << orientability << '\n';
if (compactness != NBoolSet::sBoth)
o << " Compactness: " << compactness << '\n';
if (realBoundary != NBoolSet::sBoth)
o << " Has real boundary: " << realBoundary << '\n';
}
void NSurfaceFilterProperties::writeXMLFilterData(std::ostream& out) const {
using regina::xml::xmlValueTag;
if (eulerCharacteristic.size() > 0) {
out << " <euler> ";
for (std::set<NLargeInteger>::const_iterator it =
eulerCharacteristic.begin(); it != eulerCharacteristic.end();
it++)
out << (*it) << ' ';
out << "</euler>\n";
}
if (orientability != NBoolSet::sBoth)
out << " " << xmlValueTag("orbl", orientability) << '\n';
if (compactness != NBoolSet::sBoth)
out << " " << xmlValueTag("compact", compactness) << '\n';
if (realBoundary != NBoolSet::sBoth)
out << " " << xmlValueTag("realbdry", realBoundary) << '\n';
}
void NSurfaceFilterProperties::writeProperties(NFile& out) const {
std::streampos bookmark(0);
if (eulerCharacteristic.size() > 0) {
bookmark = out.writePropertyHeader(PROPSF_EULER);
out.writeULong(eulerCharacteristic.size());
for (std::set<NLargeInteger>::const_iterator it =
eulerCharacteristic.begin(); it != eulerCharacteristic.end();
it++)
out.writeLarge(*it);
out.writePropertyFooter(bookmark);
}
if (orientability != NBoolSet::sBoth) {
bookmark = out.writePropertyHeader(PROPSF_ORIENT);
out.writeBoolSet(orientability);
out.writePropertyFooter(bookmark);
}
if (compactness != NBoolSet::sBoth) {
bookmark = out.writePropertyHeader(PROPSF_COMPACT);
out.writeBoolSet(compactness);
out.writePropertyFooter(bookmark);
}
if (realBoundary != NBoolSet::sBoth) {
bookmark = out.writePropertyHeader(PROPSF_REALBDRY);
out.writeBoolSet(realBoundary);
out.writePropertyFooter(bookmark);
}
}
NSurfaceFilter* NSurfaceFilterProperties::readFilter(NFile&, NPacket*) {
return new NSurfaceFilterProperties();
}
void NSurfaceFilterProperties::readIndividualProperty(NFile& in,
unsigned propType) {
NSurfaceFilter::readIndividualProperty(in, propType);
switch (propType) {
case PROPSF_EULER:
eulerCharacteristic.clear();
for (unsigned long size = in.readULong(); size != 0; size--)
eulerCharacteristic.insert(in.readLarge());
break;
case PROPSF_ORIENT:
orientability = in.readBoolSet(); break;
case PROPSF_COMPACT:
compactness = in.readBoolSet(); break;
case PROPSF_REALBDRY:
realBoundary = in.readBoolSet(); break;
}
}
} // namespace regina
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