Work around symbol clash with ERROR on Win32/mingw.

[libdcp.git] / src / asset.cc

diff --git a/src/asset.cc b/src/asset.cc
index 4e3bb0e1ca1dc16edbeeb1ad33688630ba9e49f2..80b010825b57eb95f72acf39d801bc2a9185fef2 100644 (file)
--- a/src/asset.cc
+++ b/src/asset.cc
@@ -1,5 +1,5 @@
 /*
-    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
@@ -17,68 +17,106 @@
 
 */
 
-#include <iostream>
-#include <boost/filesystem.hpp>
-#include "AS_DCP.h"
-#include "KM_util.h"
+/** @file  src/asset.cc
+ *  @brief Asset class.
+ */
+
+#include "raw_convert.h"
 #include "asset.h"
 #include "util.h"
-#include "tags.h"
+#include "exceptions.h"
+#include "compose.hpp"
+#include <libxml++/libxml++.h>
+
+using std::string;
+using boost::function;
+using boost::optional;
+using namespace dcp;
 
-using namespace std;
-using namespace boost;
-using namespace libdcp;
+/** Create an Asset with a randomly-generated ID */
+Asset::Asset ()
+{
+
+}
 
-/** Construct an Asset.
- *  @param p Pathname of MXF file.
- *  @param fps Frames per second.
- *  @param len Length in frames.
+/** 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)
+{
+
+}
 
-Asset::Asset (string p, int fps, int len)
-       : _mxf_path (p)
-       , _fps (fps)
-       , _length (len)
-       , _uuid (make_uuid ())
+/** Create an Asset with a specified ID.
+ *  @param id ID to use.
+ */
+Asset::Asset (string id)
+       : Object (id)
 {
-       
+
 }
 
 void
-Asset::write_to_pkl (ostream& s) const
+Asset::write_to_pkl (xmlpp::Node* node, Standard standard) const
 {
-       s << "    <Asset>\n"
-         << "      <Id>urn:uuid:" << _uuid << "</Id>\n"
-         << "      <AnnotationText>" << filesystem::path(_mxf_path).filename() << "</AnnotationText>\n"
-         << "      <Hash>" << _digest << "</Hash>\n"
-         << "      <Size>" << filesystem::file_size(_mxf_path) << "</Size>\n"
-         << "      <Type>application/mxf</Type>\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 (raw_convert<string> (boost::filesystem::file_size (_file)));
+       asset->add_child("Type")->add_child_text (pkl_type (standard));
 }
 
 void
-Asset::write_to_assetmap (ostream& s) const
+Asset::write_to_assetmap (xmlpp::Node* node, boost::filesystem::path root) const
 {
-       s << "    <Asset>\n"
-         << "      <Id>urn:uuid:" << _uuid << "</Id>\n"
-         << "      <ChunkList>\n"
-         << "        <Chunk>\n"
-         << "          <Path>" << filesystem::path(_mxf_path).filename() << "</Path>\n"
-         << "          <VolumeIndex>1</VolumeIndex>\n"
-         << "          <Offset>0</Offset>\n"
-         << "          <Length>" << filesystem::file_size(_mxf_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);
+       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)));
 }
 
-void
-Asset::fill_writer_info (ASDCP::WriterInfo* writer_info) const
+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
 {
-       writer_info->ProductVersion = Tags::instance()->product_version;
-       writer_info->CompanyName = Tags::instance()->company_name;
-       writer_info->ProductName = Tags::instance()->product_name.c_str();
+       if (_hash != other->_hash) {
+               note (DCP_ERROR, "Asset hashes differ");
+               return false;
+       }
+
+       return true;
+}
 
-       writer_info->LabelSetType = ASDCP::LS_MXF_SMPTE;
-       Kumu::GenRandomUUID (writer_info->AssetUUID);
+void
+Asset::set_file (boost::filesystem::path file) const
+{
+       _file = boost::filesystem::absolute (file);
+       _hash.clear ();
 }
+