*/
+/** @file src/asset.cc
+ * @brief Asset class.
+ */
+
+#include "raw_convert.h"
#include "asset.h"
+#include "util.h"
+#include "exceptions.h"
+#include "compose.hpp"
+#include <libxml++/libxml++.h>
using std::string;
+using boost::function;
+using boost::optional;
using namespace dcp;
+/** Create an Asset with a randomly-generated ID */
Asset::Asset ()
{
}
+/** 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)
+{
+
+}
+
+/** 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, Standard standard) const
+{
+ 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 (raw_convert<string> (boost::filesystem::file_size (_file)));
+ asset->add_child("Type")->add_child_text (pkl_type (standard));
+}
+
+void
+Asset::write_to_assetmap (xmlpp::Node* node, boost::filesystem::path root) const
+{
+ 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");
+ optional<boost::filesystem::path> path = relative_to_root (root, _file);
+ if (!path) {
+ throw MiscError (String::compose ("Asset %1 is not within the directory %2", _file, root));
+ }
+ chunk->add_child("Path")->add_child_text (path.get().string ());
+ chunk->add_child("VolumeIndex")->add_child_text ("1");
+ chunk->add_child("Offset")->add_child_text ("0");
+ chunk->add_child("Length")->add_child_text (raw_convert<string> (boost::filesystem::file_size (_file)));
+}
+
+string
+Asset::hash (function<void (float)> progress) const
+{
+ assert (!_file.empty ());
+
+ if (_hash.empty ()) {
+ _hash = make_digest (_file, progress);
+ }
+
+ return _hash;
+}
+
+bool
+Asset::equals (boost::shared_ptr<const Asset> other, EqualityOptions, function<void (NoteType, string)> note) const
+{
+ if (_hash != other->_hash) {
+ note (DCP_ERROR, "Asset hashes differ");
+ return false;
+ }
+
+ return true;
+}
+
+void
+Asset::set_file (boost::filesystem::path file) const
+{
+ _file = boost::filesystem::absolute (file);
+ _hash.clear ();
+}
+