#include <boost/shared_ptr.hpp>
#include <boost/optional.hpp>
#include <boost/filesystem.hpp>
+#include <boost/date_time/gregorian/gregorian.hpp>
#include <string>
#include <map>
#include <vector>
extern void checked_fread (void* ptr, size_t size, FILE* stream, boost::filesystem::path path);
extern void checked_fwrite (void const * ptr, size_t size, FILE* stream, boost::filesystem::path path);
extern size_t utf8_strlen (std::string s);
+extern std::string day_of_week_to_string (boost::gregorian::greg_weekday d);
#ifdef DCPOMATIC_VARIANT_SWAROOP
extern boost::shared_ptr<dcp::CertificateChain> read_swaroop_chain (boost::filesystem::path path);
extern void write_swaroop_chain (boost::shared_ptr<const dcp::CertificateChain> chain, boost::filesystem::path output);