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/*
Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef LIBSUB_COLLECT_H
#define LIBSUB_COLLECT_H
#include "subtitle.h"
#include "raw_subtitle.h"
#include <algorithm>
namespace sub {
/** Collect sub::RawSubtitle objects into sub::Subtitles.
* This method is templated so that any container type can be used for the result.
*/
template <class T>
T
collect (std::vector<RawSubtitle> raw)
{
std::stable_sort (raw.begin(), raw.end());
T out;
boost::optional<Subtitle> current;
for (auto const& i: raw) {
if (current && current->same_metadata(i)) {
/* This RawSubtitle can be added to current... */
if (!current->lines.empty() && current->lines.back().same_metadata(i)) {
/* ... and indeed to its last line */
current->lines.back().blocks.push_back(Block(i));
} else {
/* ... as a new line */
current->lines.push_back(Line(i));
}
} else {
/* We must start a new Subtitle */
if (current) {
out.push_back (current.get ());
}
current = Subtitle (i);
}
}
if (current) {
out.push_back (current.get ());
}
return out;
}
}
#endif
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