Replace ContentKind enum with a class.

1 files changed, 106 insertions, 0 deletions

diff --git a/src/content_kind.cc b/src/content_kind.cc
new file mode 100644
index 00000000..4b0da53c
--- /dev/null
+++ b/src/content_kind.cc
@@ -0,0 +1,106 @@
+/*
+    Copyright (C) 2022 Carl Hetherington <cth@carlh.net>
+
+    This file is part of libdcp.
+
+    libdcp is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    libdcp is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with libdcp.  If not, see <http://www.gnu.org/licenses/>.
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of portions of this program with the
+    OpenSSL library under certain conditions as described in each
+    individual source file, and distribute linked combinations
+    including the two.
+
+    You must obey the GNU General Public License in all respects
+    for all of the code used other than OpenSSL.  If you modify
+    file(s) with this exception, you may extend this exception to your
+    version of the file(s), but you are not obligated to do so.  If you
+    do not wish to do so, delete this exception statement from your
+    version.  If you delete this exception statement from all source
+    files in the program, then also delete it here.
+*/
+
+
+#include "content_kind.h"
+#include "dcp_assert.h"
+#include <algorithm>
+#include <iostream>
+
+
+using std::string;
+using std::vector;
+using namespace dcp;
+
+
+ContentKind const ContentKind::FEATURE                     = ContentKind{"feature"};
+ContentKind const ContentKind::SHORT                       = ContentKind{"short"};
+ContentKind const ContentKind::TRAILER                     = ContentKind{"trailer"};
+ContentKind const ContentKind::TEST                        = ContentKind{"test"};
+ContentKind const ContentKind::TRANSITIONAL                = ContentKind{"transitional"};
+ContentKind const ContentKind::RATING                      = ContentKind{"rating"};
+ContentKind const ContentKind::TEASER                      = ContentKind{"teaser"};
+ContentKind const ContentKind::POLICY                      = ContentKind{"policy"};
+ContentKind const ContentKind::PUBLIC_SERVICE_ANNOUNCEMENT = ContentKind{"psa"};
+ContentKind const ContentKind::ADVERTISEMENT               = ContentKind{"advertisement"};
+ContentKind const ContentKind::EPISODE                     = ContentKind{"episode"};
+ContentKind const ContentKind::PROMO                       = ContentKind{"promo"};
+
+
+vector<ContentKind>
+ContentKind::all()
+{
+	return {
+		ContentKind::FEATURE,
+		ContentKind::SHORT,
+		ContentKind::TRAILER,
+		ContentKind::TEST,
+		ContentKind::TRANSITIONAL,
+		ContentKind::RATING,
+		ContentKind::TEASER,
+		ContentKind::POLICY,
+		ContentKind::PUBLIC_SERVICE_ANNOUNCEMENT,
+		ContentKind::ADVERTISEMENT,
+		ContentKind::EPISODE,
+		ContentKind::PROMO
+	};
+}
+
+
+ContentKind
+ContentKind::from_name(string name)
+{
+	auto const all_kinds = all();
+	std::transform(name.begin(), name.end(), name.begin(), ::tolower);
+	auto iter = std::find_if(all_kinds.begin(), all_kinds.end(), [&name](ContentKind const& k) { return k.name() == name; });
+	if (iter == all_kinds.end()) {
+		throw BadContentKindError(name);
+	}
+	return *iter;
+}
+
+
+bool
+dcp::operator==(ContentKind const& a, ContentKind const& b)
+{
+	return a.name() == b.name();
+}
+
+
+bool
+dcp::operator!=(ContentKind const& a, ContentKind const& b)
+{
+	return !(a == b);
+}
+
+