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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.
*/
#include "raw_subtitle.h"
#include "subtitle.h"
#include "collect.h"
using std::list;
using boost::optional;
using namespace sub;
list<Subtitle>
sub::collect (list<RawSubtitle> raw)
{
raw.sort ();
list<Subtitle> out;
optional<Subtitle> current;
for (list<RawSubtitle>::const_iterator i = raw.begin (); i != raw.end(); ++i) {
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;
}
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