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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 <fstream>
#include "foreign/csvsurfacelist.h"
#include "surfaces/nnormalsurfacelist.h"
namespace regina {
namespace {
/**
* Write the given string to the given output stream, properly
* quoted and escaped. The entire string will be placed in double
* quotes, and any double quotes that appear inside the string will
* be replaced by a pair of double quotes.
*/
void writeCSVQuotedString(std::ostream& out, const char* str) {
out << '"';
while (*str) {
if (*str == '"')
out << "\"\"";
else
out << *str;
++str;
}
out << '"';
}
/**
* Writes a piece of the CSV header corresponding to the given set
* of optional fields.
*/
void writePropHeader(std::ostream& out, int fields) {
if (fields & surfaceExportName)
out << "name,";
if (fields & surfaceExportEuler)
out << "euler,";
if (fields & surfaceExportOrient)
out << "orientable,";
if (fields & surfaceExportSides)
out << "sides,";
if (fields & surfaceExportBdry)
out << "boundary,";
if (fields & surfaceExportLink)
out << "link,";
if (fields & surfaceExportType)
out << "type,";
}
/**
* Writes a piece of the CSV data for the given normal surface
* corresponding to the given set of optional fields.
*/
void writePropData(std::ostream& out, const NNormalSurface* s, int fields) {
if (fields & surfaceExportName) {
if (s->getName().length() > 0)
writeCSVQuotedString(out, s->getName().c_str());
out << ',';
}
if (fields & surfaceExportEuler) {
if (s->isCompact())
out << s->getEulerCharacteristic();
out << ',';
}
if (fields & surfaceExportOrient) {
if (s->isCompact()) {
NTriBool ans = s->isOrientable();
if (ans.isTrue())
out << "TRUE";
else if (ans.isFalse())
out << "FALSE";
}
out << ',';
}
if (fields & surfaceExportSides) {
if (s->isCompact()) {
NTriBool ans = s->isTwoSided();
if (ans.isTrue())
out << '2';
else if (ans.isFalse())
out << '1';
}
out << ',';
}
if (fields & surfaceExportBdry) {
if (! s->isCompact())
out << "infinite";
else if (s->hasRealBoundary())
out << "real bdry";
else
out << "closed";
out << ',';
}
if (fields & surfaceExportLink) {
// Mirror the information that gets shown in the Link column
// in the GUI.
NTriangulation* t = s->getTriangulation();
const NVertex* v = s->isVertexLink();
if (v)
out << "\"Vertex " << t->vertexIndex(v) << "\"";
else {
std::pair<const regina::NEdge*, const regina::NEdge*> e =
s->isThinEdgeLink();
if (e.second)
out << "\"Thin edges " << t->edgeIndex(e.first)
<< ", " << t->edgeIndex(e.second) << "\"";
else if (e.first)
out << "\"Thin edge " << t->edgeIndex(e.first) << "\"";
}
out << ',';
}
if (fields & surfaceExportType) {
// Mirror the information that gets shown in the Type column
// in the GUI.
if (s->isSplitting())
out << "\"Splitting\"";
else {
NLargeInteger tot = s->isCentral();
if (tot != 0)
out << "\"Central (" << tot << ")\"";
}
out << ',';
}
}
}
bool writeCSVStandard(const char* filename, NNormalSurfaceList& surfaces,
int additionalFields) {
std::ofstream out(filename);
if (! out)
return false;
unsigned long n = surfaces.getTriangulation()->getNumberOfTetrahedra();
unsigned long i, j;
// Write the CSV header.
writePropHeader(out, additionalFields);
for (i = 0; i < n; ++i) {
out << 'T' << i << ":0,";
out << 'T' << i << ":1,";
out << 'T' << i << ":2,";
out << 'T' << i << ":3,";
out << 'Q' << i << ":01/23,";
out << 'Q' << i << ":02/13,";
out << 'Q' << i << ":03/12";
if (! surfaces.allowsAlmostNormal()) {
if (i < n - 1)
out << ',';
continue;
}
out << ',';
out << 'K' << i << ":01/23,";
out << 'K' << i << ":02/13,";
out << 'K' << i << ":03/12";
if (i < n - 1)
out << ',';
}
out << std::endl;
// Write the data for individual surfaces.
unsigned long tot = surfaces.getNumberOfSurfaces();
const NNormalSurface* s;
for (i = 0; i < tot; ++i) {
s = surfaces.getSurface(i);
writePropData(out, s, additionalFields);
for (j = 0; j < n; ++j) {
out << s->getTriangleCoord(j, 0) << ',';
out << s->getTriangleCoord(j, 1) << ',';
out << s->getTriangleCoord(j, 2) << ',';
out << s->getTriangleCoord(j, 3) << ',';
out << s->getQuadCoord(j, 0) << ',';
out << s->getQuadCoord(j, 1) << ',';
out << s->getQuadCoord(j, 2);
if (! surfaces.allowsAlmostNormal()) {
if (j < n - 1)
out << ',';
continue;
}
out << ',';
out << s->getOctCoord(j, 0) << ',';
out << s->getOctCoord(j, 1) << ',';
out << s->getOctCoord(j, 2);
if (j < n - 1)
out << ',';
}
out << std::endl;
}
// All done!
return true;
}
bool writeCSVEdgeWeight(const char* filename, NNormalSurfaceList& surfaces,
int additionalFields) {
std::ofstream out(filename);
if (! out)
return false;
unsigned long n = surfaces.getTriangulation()->getNumberOfEdges();
unsigned long i, j;
// Write the CSV header.
writePropHeader(out, additionalFields);
for (i = 0; i < n; ++i) {
out << 'E' << i;
if (i < n - 1)
out << ',';
}
out << std::endl;
// Write the data for individual surfaces.
unsigned long tot = surfaces.getNumberOfSurfaces();
const NNormalSurface* s;
for (i = 0; i < tot; ++i) {
s = surfaces.getSurface(i);
writePropData(out, s, additionalFields);
for (j = 0; j < n; ++j) {
out << s->getEdgeWeight(j);
if (j < n - 1)
out << ',';
}
out << std::endl;
}
// All done!
return true;
}
} // namespace regina
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