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/**************************************************************************
* *
* Regina - A Normal Surface Theory Calculator *
* Look up an isomorphism signature in Regina's census databases *
* *
* Copyright (c) 2014-2025, 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. *
* *
* As an exception, when this program is distributed through (i) the *
* App Store by Apple Inc.; (ii) the Mac App Store by Apple Inc.; or *
* (iii) Google Play by Google Inc., then that store may impose any *
* digital rights management, device limits and/or redistribution *
* restrictions that are required by its terms of service. *
* *
* 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, see <https://www.gnu.org/licenses/>. *
* *
**************************************************************************/
#include <cstring>
#include <iostream>
#include "regina-config.h"
#include "census/census.h"
#include "file/globaldirs.h"
#include "triangulation/dim3.h"
void usage(const char* progName, const std::string& error = std::string()) {
if (! error.empty())
std::cerr << error << "\n\n";
std::cerr << "Usage:" << std::endl;
std::cerr << " " << progName << " <isosig> ..." << std::endl;
std::cerr << " " << progName
<< " [ -v, --version | -?, --help ]" << std::endl;
std::cerr << std::endl;
std::cerr << " -v, --version : Show which version of Regina "
"is being used" << std::endl;
std::cerr << " -?, --help : Display this help" << std::endl;
exit(1);
}
int main(int argc, char* argv[]) {
// Parse the command line.
if (argc < 2)
usage(argv[0], "Please specify one or more isomorphism signatures.");
// Check for standard arguments:
for (int i = 1; i < argc; ++i) {
if (strcmp(argv[i], "-?") == 0 || strcmp(argv[i], "--help") == 0)
usage(argv[0]);
if (strcmp(argv[i], "-v") == 0 || strcmp(argv[i], "--version") == 0) {
if (argc != 2)
usage(argv[0],
"Option --version cannot be used with "
"any other arguments.");
std::cout << PACKAGE_BUILD_STRING << std::endl;
exit(0);
}
}
// Locate the census data files.
regina::GlobalDirs::deduceDirs(argv[0]);
// Search for each signature.
for (int i = 1; i < argc; ++i) {
auto hits = regina::Census::lookup(argv[i]);
size_t n = hits.size();
std::cout << argv[i] << ": " << n
<< (n == 1 ? " hit" : " hits") << std::endl;
for (const auto& hit : hits)
std::cout << " " << hit.name() << " -- "
<< hit.db().desc() << std::endl;
std::cout << std::endl;
}
return 0;
}
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