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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.
*/
/** @file src/asset.cc
* @brief Asset class.
*/
#include "asset.h"
#include "util.h"
#include <libxml++/libxml++.h>
#include <boost/lexical_cast.hpp>
using std::string;
using boost::lexical_cast;
using boost::function;
using namespace dcp;
/** Create an Asset with a randomly-generated ID */
Asset::Asset ()
{
}
Asset::Asset (boost::filesystem::path file)
: _file (file)
{
}
/** Create an Asset with a specified ID.
* @param id ID to use.
*/
Asset::Asset (string id)
: Object (id)
{
}
void
Asset::write_to_pkl (xmlpp::Node* node) const
{
xmlpp::Node* asset = node->add_child ("Asset");
asset->add_child("Id")->add_child_text ("urn:uuid:" + _id);
asset->add_child("AnnotationText")->add_child_text (_id);
asset->add_child("Hash")->add_child_text (hash ());
asset->add_child("Size")->add_child_text (lexical_cast<string> (boost::filesystem::file_size (_file)));
asset->add_child("Type")->add_child_text (pkl_type ());
}
void
Asset::write_to_assetmap (xmlpp::Node* node) const
{
xmlpp::Node* asset = node->add_child ("Asset");
asset->add_child("Id")->add_child_text ("urn:uuid:" + _id);
xmlpp::Node* chunk_list = asset->add_child ("ChunkList");
xmlpp::Node* chunk = chunk_list->add_child ("Chunk");
chunk->add_child("Path")->add_child_text (_file.string ());
chunk->add_child("VolumeIndex")->add_child_text ("1");
chunk->add_child("Offset")->add_child_text ("0");
chunk->add_child("Length")->add_child_text (lexical_cast<string> (boost::filesystem::file_size (_file)));
}
string
Asset::hash () const
{
if (!_hash.empty ()) {
_hash = make_digest (_file, 0);
}
return _hash;
}
bool
Asset::equals (boost::shared_ptr<const Asset> other, EqualityOptions, function<void (NoteType, string)> note) const
{
if (_hash != other->_hash) {
note (ERROR, "Asset hashes differ");
return false;
}
return true;
}
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