+
+string
+dcp::direction_to_string (Direction v)
+{
+ switch (v) {
+ case DIRECTION_LTR:
+ return "ltr";
+ case DIRECTION_RTL:
+ return "rtl";
+ case DIRECTION_TTB:
+ return "ttb";
+ case DIRECTION_BTT:
+ return "btt";
+ }
+
+ boost::throw_exception (MiscError ("unknown subtitle direction type"));
+}
+
+Direction
+dcp::string_to_direction (string s)
+{
+ if (s == "ltr" || s == "horizontal") {
+ return DIRECTION_LTR;
+ } else if (s == "rtl") {
+ return DIRECTION_RTL;
+ } else if (s == "ttb" || s == "vertical") {
+ return DIRECTION_TTB;
+ } else if (s == "btt") {
+ return DIRECTION_BTT;
+ }
+
+ boost::throw_exception (DCPReadError ("unknown subtitle direction type"));
+}
+
+/** Convert a content kind to a string which can be used in a
+ * <ContentKind> node.
+ * @param kind ContentKind.
+ * @return string.
+ */
+string
+dcp::content_kind_to_string (ContentKind kind)
+{
+ switch (kind) {
+ case FEATURE:
+ return "feature";
+ case SHORT:
+ return "short";
+ case TRAILER:
+ return "trailer";
+ case TEST:
+ return "test";
+ case TRANSITIONAL:
+ return "transitional";
+ case RATING:
+ return "rating";
+ case TEASER:
+ return "teaser";
+ case POLICY:
+ return "policy";
+ case PUBLIC_SERVICE_ANNOUNCEMENT:
+ return "psa";
+ case ADVERTISEMENT:
+ return "advertisement";
+ case EPISODE:
+ return "episode";
+ case PROMO:
+ return "promo";
+ }
+
+ DCP_ASSERT (false);
+}
+
+/** Convert a string from a <ContentKind> node to a libdcp ContentKind.
+ * Reasonably tolerant about varying case.
+ * @param kind Content kind string.
+ * @return libdcp ContentKind.
+ */
+dcp::ContentKind
+dcp::content_kind_from_string (string kind)
+{
+ transform (kind.begin(), kind.end(), kind.begin(), ::tolower);
+
+ if (kind == "feature") {
+ return FEATURE;
+ } else if (kind == "short") {
+ return SHORT;
+ } else if (kind == "trailer") {
+ return TRAILER;
+ } else if (kind == "test") {
+ return TEST;
+ } else if (kind == "transitional") {
+ return TRANSITIONAL;
+ } else if (kind == "rating") {
+ return RATING;
+ } else if (kind == "teaser") {
+ return TEASER;
+ } else if (kind == "policy") {
+ return POLICY;
+ } else if (kind == "psa") {
+ return PUBLIC_SERVICE_ANNOUNCEMENT;
+ } else if (kind == "advertisement") {
+ return ADVERTISEMENT;
+ } else if (kind == "episode") {
+ return EPISODE;
+ } else if (kind == "promo") {
+ return PROMO;
+ }
+
+ throw BadContentKindError (kind);
+}
+
+string
+dcp::marker_to_string (dcp::Marker m)
+{
+ switch (m) {
+ case FFOC:
+ return "FFOC";
+ case LFOC:
+ return "LFOC";
+ case FFTC:
+ return "FFTC";
+ case LFTC:
+ return "LFTC";
+ case FFOI:
+ return "FFOI";
+ case LFOI:
+ return "LFOI";
+ case FFEC:
+ return "FFEC";
+ case LFEC:
+ return "LFEC";
+ case FFMC:
+ return "FFMC";
+ case LFMC:
+ return "LFMC";
+ }
+
+ DCP_ASSERT (false);
+}
+
+dcp::Marker
+dcp::marker_from_string (string s)
+{
+ if (s == "FFOC") {
+ return FFOC;
+ } else if (s == "LFOC") {
+ return LFOC;
+ } else if (s == "FFTC") {
+ return FFTC;
+ } else if (s == "LFTC") {
+ return LFTC;
+ } else if (s == "FFOI") {
+ return FFOI;
+ } else if (s == "LFOI") {
+ return LFOI;
+ } else if (s == "FFEC") {
+ return FFEC;
+ } else if (s == "LFEC") {
+ return LFEC;
+ } else if (s == "FFMC") {
+ return FFMC;
+ } else if (s == "LFMC") {
+ return LFMC;
+ }
+
+ DCP_ASSERT (false);
+}
+
+Rating::Rating (cxml::ConstNodePtr node)
+{
+ agency = node->string_child("Agency");
+ label = node->string_child("Label");
+ node->done ();
+}
+
+void
+Rating::as_xml (xmlpp::Element* parent) const
+{
+ parent->add_child("Agency")->add_child_text(agency);
+ parent->add_child("Label")->add_child_text(label);
+}
+
+bool
+dcp::operator== (Rating const & a, Rating const & b)
+{
+ return a.agency == b.agency && a.label == b.label;
+}
+
+ostream &
+dcp::operator<< (ostream& s, Rating const & r)
+{
+ s << r.agency << " " << r.label;
+ return s;
+}