Added SPIRV-Tools.

3rdparty/spirv-tools/source/util/string_utils.cpp

@@ -0,0 +1,39 @@
+// Copyright (c) 2017 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <algorithm>
+#include <cstdint>
+#include <type_traits>
+
+#include "util/string_utils.h"
+
+namespace spvutils {
+
+std::string CardinalToOrdinal(size_t cardinal) {
+  const size_t mod10 = cardinal % 10;
+  const size_t mod100 = cardinal % 100;
+  std::string suffix;
+  if (mod10 == 1 && mod100 != 11)
+    suffix = "st";
+  else if (mod10 == 2 && mod100 != 12)
+    suffix = "nd";
+  else if (mod10 == 3 && mod100 != 13)
+    suffix = "rd";
+  else
+    suffix = "th";
+
+  return ToString(cardinal) + suffix;
+}
+
+}  // namespace spvutils