/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ 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
*/
/** @file src/asset.cc
- * @brief Parent class for assets of DCPs.
+ * @brief Asset class.
*/
-#include <iostream>
-#include <fstream>
-#include <boost/filesystem.hpp>
-#include "AS_DCP.h"
-#include "KM_util.h"
#include "asset.h"
#include "util.h"
-#include "metadata.h"
+#include <libxml++/libxml++.h>
+#include <boost/lexical_cast.hpp>
-using namespace std;
-using namespace boost;
-using namespace libdcp;
+using std::string;
+using boost::lexical_cast;
+using boost::function;
+using namespace dcp;
-Asset::Asset (string directory, string file_name)
- : _directory (directory)
- , _file_name (file_name)
- , _uuid (make_uuid ())
+/** Create an Asset with a randomly-generated ID */
+Asset::Asset ()
{
- if (_file_name.empty ()) {
- _file_name = _uuid + ".xml";
- }
+
}
-void
-Asset::write_to_pkl (ostream& s) const
+/** Create an Asset from a given file. The ID will
+ * be extracted from the file.
+ * @param file File name.
+ */
+Asset::Asset (boost::filesystem::path file)
+ : _file (file)
{
- s << " <Asset>\n"
- << " <Id>urn:uuid:" << _uuid << "</Id>\n"
- << " <AnnotationText>" << _file_name << "</AnnotationText>\n"
- << " <Hash>" << digest() << "</Hash>\n"
- << " <Size>" << filesystem::file_size(path()) << "</Size>\n"
- << " <Type>application/mxf</Type>\n"
- << " </Asset>\n";
+
+}
+
+/** Create an Asset with a specified ID.
+ * @param id ID to use.
+ */
+Asset::Asset (string id)
+ : Object (id)
+{
+
}
void
-Asset::write_to_assetmap (ostream& s) const
+Asset::write_to_pkl (xmlpp::Node* node) 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";
+ assert (!_file.empty ());
+
+ 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 ());
}
-filesystem::path
-Asset::path () const
+void
+Asset::write_to_assetmap (xmlpp::Node* node) const
{
- filesystem::path p;
- p /= _directory;
- p /= _file_name;
- return p;
+ assert (!_file.empty ());
+
+ 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::digest () const
+Asset::hash () const
+{
+ assert (!_file.empty ());
+
+ 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 (_digest.empty ()) {
- _digest = make_digest (path().string(), 0);
+ if (_hash != other->_hash) {
+ note (ERROR, "Asset hashes differ");
+ return false;
}
- return _digest;
+ return true;
}