2 Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 /** @file src/asset.cc
24 #include "raw_convert.h"
27 #include "exceptions.h"
28 #include "dcp_assert.h"
29 #include "compose.hpp"
30 #include <libxml++/libxml++.h>
33 using boost::function;
34 using boost::optional;
37 /** Create an Asset with a randomly-generated ID */
43 /** Create an Asset from a given file.
44 * @param file File name.
46 Asset::Asset (boost::filesystem::path file)
53 Asset::write_to_pkl (xmlpp::Node* node, Standard standard) const
55 DCP_ASSERT (!_file.empty ());
57 xmlpp::Node* asset = node->add_child ("Asset");
58 asset->add_child("Id")->add_child_text ("urn:uuid:" + _id);
59 asset->add_child("AnnotationText")->add_child_text (_id);
60 asset->add_child("Hash")->add_child_text (hash ());
61 asset->add_child("Size")->add_child_text (raw_convert<string> (boost::filesystem::file_size (_file)));
62 asset->add_child("Type")->add_child_text (pkl_type (standard));
66 Asset::write_to_assetmap (xmlpp::Node* node, boost::filesystem::path root) const
68 DCP_ASSERT (!_file.empty ());
70 xmlpp::Node* asset = node->add_child ("Asset");
71 asset->add_child("Id")->add_child_text ("urn:uuid:" + _id);
72 xmlpp::Node* chunk_list = asset->add_child ("ChunkList");
73 xmlpp::Node* chunk = chunk_list->add_child ("Chunk");
74 optional<boost::filesystem::path> path = relative_to_root (root, _file);
76 throw MiscError (String::compose ("Asset %1 is not within the directory %2", _file, root));
78 chunk->add_child("Path")->add_child_text (path.get().string ());
79 chunk->add_child("VolumeIndex")->add_child_text ("1");
80 chunk->add_child("Offset")->add_child_text ("0");
81 chunk->add_child("Length")->add_child_text (raw_convert<string> (boost::filesystem::file_size (_file)));
85 Asset::hash (function<void (float)> progress) const
87 DCP_ASSERT (!_file.empty ());
90 _hash = make_digest (_file, progress);
97 Asset::equals (boost::shared_ptr<const Asset> other, EqualityOptions, NoteHandler note) const
99 if (_hash != other->_hash) {
100 note (DCP_ERROR, "Asset: hashes differ");
108 Asset::set_file (boost::filesystem::path file) const
110 _file = boost::filesystem::absolute (file);