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/*
Copyright (C) 2012 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.
*/
/** @file src/asset.cc
* @brief Parent class for assets of DCPs.
*/
#include <iostream>
#include <fstream>
#include <boost/filesystem.hpp>
#include <boost/lexical_cast.hpp>
#include <libxml++/nodes/element.h>
#include "AS_DCP.h"
#include "KM_util.h"
#include "asset.h"
#include "util.h"
#include "metadata.h"
using namespace std;
using namespace boost;
using namespace libdcp;
Asset::Asset (string directory, string file_name)
: _directory (directory)
, _file_name (file_name)
, _uuid (make_uuid ())
{
if (_file_name.empty ()) {
_file_name = _uuid + ".xml";
}
}
void
Asset::write_to_pkl (xmlpp::Element* p) const
{
xmlpp::Element* asset = p->add_child("Asset");
asset->add_child("Id")->add_child_text("urn:uuid:" + _uuid);
asset->add_child("AnnotationText")->add_child_text (_file_name);
asset->add_child("Hash")->add_child_text (digest());
asset->add_child("Size")->add_child_text (boost::lexical_cast<string> (filesystem::file_size(path())));
asset->add_child("Type")->add_child_text ("application/mxf");
}
void
Asset::write_to_assetmap (ostream& s) const
{
s << " <Asset>\n"
<< " <Id>urn:uuid:" << _uuid << "</Id>\n"
<< " <ChunkList>\n"
<< " <Chunk>\n"
<< " <Path>" << _file_name << "</Path>\n"
<< " <VolumeIndex>1</VolumeIndex>\n"
<< " <Offset>0</Offset>\n"
<< " <Length>" << filesystem::file_size(path()) << "</Length>\n"
<< " </Chunk>\n"
<< " </ChunkList>\n"
<< " </Asset>\n";
}
filesystem::path
Asset::path () const
{
filesystem::path p;
p /= _directory;
p /= _file_name;
return p;
}
string
Asset::digest () const
{
if (_digest.empty ()) {
_digest = make_digest (path().string(), 0);
}
return _digest;
}
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