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/*
Copyright (C) 2026 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic 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.
DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "asset_filename_register.h"
#include "dcpomatic_assert.h"
#include <dcp/raw_convert.h>
#include <boost/filesystem.hpp>
#include <boost/regex.hpp>
using std::string;
boost::filesystem::path
AssetFilenameRegister::destination_filename(boost::filesystem::path source, string uuid)
{
int tries = 0;
boost::filesystem::path destination = source.filename();
while (true) {
auto iter = _used.find(destination);
if (iter == _used.end()) {
_used[destination] = uuid;
return destination;
}
if (iter->second == uuid) {
return destination;
}
/* Try to disambiguate filename */
boost::smatch what;
if (boost::regex_match(destination.stem().string(), what, boost::regex("(.*)_(\\d+)"))) {
destination = fmt::format("{}_{}.mxf", what[1].str(), dcp::raw_convert<int>(what[2].str()) + 1);
} else {
destination = fmt::format("{}_0.mxf", destination.stem().string());
}
++tries;
DCPOMATIC_ASSERT(tries < 100);
}
}
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