1 files changed, 61 insertions, 0 deletions
diff --git a/intern/opensubdiv/internal/opensubdiv_util.cc b/intern/opensubdiv/internal/opensubdiv_util.cc
new file mode 100644
index 00000000000..87bfce2116c
--- /dev/null
+++ b/intern/opensubdiv/internal/opensubdiv_util.cc
@@ -0,0 +1,61 @@
+// Copyright 2013 Blender Foundation. All rights reserved.
+//
+// This program 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.
+//
+// This program 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 this program; if not, write to the Free Software Foundation,
+// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+// Author: Sergey Sharybin
+// Contributor(s): Brecht van Lommel
+
+#include "internal/opensubdiv_util.h"
+
+#include <GL/glew.h>
+#include <cstring>
+
+#ifdef _MSC_VER
+#  include <iso646.h>
+#endif
+
+namespace opensubdiv_capi {
+
+void stringSplit(std::vector<std::string>* tokens,
+                 const std::string& str,
+                 const std::string& separators,
+                 bool skip_empty) {
+  size_t token_start = 0, token_length = 0;
+  for (size_t i = 0; i < str.length(); ++i) {
+    const char ch = str[i];
+    if (separators.find(ch) == std::string::npos) {
+      // Append non-separator char to a token.
+      ++token_length;
+    } else {
+      // Append current token to the list (if any).
+      if (token_length > 0 || !skip_empty) {
+        std::string token = str.substr(token_start, token_length);
+        tokens->push_back(token);
+      }
+      // Re-set token pointers,
+      token_start = i + 1;
+      token_length = 0;
+    }
+  }
+  // Append token which might be at the end of the string.
+  if ((token_length != 0) ||
+      (!skip_empty && token_start > 0 &&
+       separators.find(str[token_start-1]) != std::string::npos)) {
+    std::string token = str.substr(token_start, token_length);
+    tokens->push_back(token);
+  }
+}
+
+}  // namespace opensubdiv_capi