1 files changed, 39 insertions, 0 deletions
diff --git a/bindings/cpp/upb/bytestream.cc b/bindings/cpp/upb/bytestream.cc
new file mode 100644
index 0000000..df0797e
--- /dev/null
+++ b/bindings/cpp/upb/bytestream.cc
@@ -0,0 +1,39 @@
+//
+// upb - a minimalist implementation of protocol buffers.
+//
+// Copyright (c) 2011 Google Inc.  See LICENSE for details.
+// Author: Josh Haberman <jhaberman@gmail.com>
+
+#include "bytestream.hpp"
+
+namespace upb {
+
+upb_bytesrc_vtbl* ByteSourceBase::vtable() {
+  static upb_bytesrc_vtbl vtbl = {
+    &ByteSourceBase::VFetch,
+    &ByteSourceBase::VDiscard,
+    &ByteSourceBase::VCopy,
+    &ByteSourceBase::VGetPtr,
+  };
+  return &vtbl;
+}
+
+upb_bytesuccess_t ByteSourceBase::VFetch(void *src, uint64_t ofs, size_t *len) {
+  return static_cast<ByteSourceBase*>(src)->Fetch(ofs, len);
+}
+
+void ByteSourceBase::VCopy(
+    const void *src, uint64_t ofs, size_t len, char* dest) {
+  static_cast<const ByteSourceBase*>(src)->Copy(ofs, len, dest);
+}
+
+void ByteSourceBase::VDiscard(void *src, uint64_t ofs) {
+  static_cast<ByteSourceBase*>(src)->Discard(ofs);
+}
+
+const char * ByteSourceBase::VGetPtr(
+    const void *src, uint64_t ofs, size_t* len) {
+  return static_cast<const ByteSourceBase*>(src)->GetPtr(ofs, len);
+}
+
+}  // namespace upb