1 files changed, 69 insertions, 0 deletions
diff --git a/subversion/bindings/cxx/src/revision.cpp b/subversion/bindings/cxx/src/revision.cpp
new file mode 100644
index 0000000..6a9feaf
--- /dev/null
+++ b/subversion/bindings/cxx/src/revision.cpp
@@ -0,0 +1,69 @@
+/**
+ * @copyright
+ * ====================================================================
+ *    Licensed to the Apache Software Foundation (ASF) under one
+ *    or more contributor license agreements.  See the NOTICE file
+ *    distributed with this work for additional information
+ *    regarding copyright ownership.  The ASF licenses this file
+ *    to you 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.
+ * ====================================================================
+ * @endcopyright
+ */
+
+#include "private/revision_private.hpp"
+
+namespace apache {
+namespace subversion {
+namespace svnxx {
+namespace impl {
+
+svn_opt_revision_t convert(const revision& rev)
+{
+  svn_opt_revision_t result;
+  result.kind = convert(rev.get_kind());
+  if (result.kind == svn_opt_revision_number)
+    result.value.number = svn_revnum_t(rev.get_number());
+  else if (result.kind == svn_opt_revision_date)
+    {
+      // NOTE: We're assuming that the APR and C++ system_clock epochs
+      //       are the same. This will be standardized in C++20.
+      using usec = revision::usec;
+      const auto usecs = (rev.get_date<usec>() - revision::time<usec>());
+      result.value.date = usecs.count();
+    }
+  return result;
+}
+
+revision convert(const svn_opt_revision_t& rev)
+{
+  switch (rev.kind)
+    {
+    case svn_opt_revision_number:
+      return revision(revision::number(rev.value.number));
+    case svn_opt_revision_date:
+      {
+        // NOTE: We're assuming that the APR and C++ system_clock epochs
+        //       are the same. This will be standardized in C++20.
+        using usec = revision::usec;
+        return revision(revision::time<usec>(usec{rev.value.date}));
+      }
+    default:
+      return revision(convert(rev.kind));
+    }
+}
+
+} // namespace impl
+} // namespace svnxx
+} // namespace subversion
+} // namespace apache