#ifndef DCPOMATIC_CONTENT_H
#define DCPOMATIC_CONTENT_H
-#include <set>
+#include "types.h"
+#include "dcpomatic_time.h"
+#include <libxml++/libxml++.h>
+#include <libcxml/cxml.h>
#include <boost/filesystem.hpp>
#include <boost/signals2.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/enable_shared_from_this.hpp>
-#include <libxml++/libxml++.h>
-#include <libcxml/cxml.h>
-#include "types.h"
-#include "dcpomatic_time.h"
namespace cxml {
class Node;
bool paths_valid () const;
/** @return MD5 digest of the content's file(s) */
- std::string digest () const {
+ boost::optional<std::string> digest () const {
boost::mutex::scoped_lock lm (_mutex);
return _digest;
}
std::vector<boost::filesystem::path> _paths;
private:
- std::string _digest;
+ boost::optional<std::string> _digest;
DCPTime _position;
DCPTime _trim_start;
DCPTime _trim_end;