1 files changed, 48 insertions, 0 deletions
diff --git a/upb/google/cord.h b/upb/google/cord.h
new file mode 100644
index 0000000..c579c0c
--- /dev/null
+++ b/upb/google/cord.h
@@ -0,0 +1,48 @@
+//
+// upb - a minimalist implementation of protocol buffers.
+//
+// Copyright (c) 2011-2012 Google Inc.  See LICENSE for details.
+// Author: Josh Haberman <jhaberman@gmail.com>
+//
+// Functionality for interoperating with Cord.  Only needed inside Google.
+
+#ifndef UPB_GOOGLE_CORD_H
+#define UPB_GOOGLE_CORD_H
+
+#include "strings/cord.h"
+#include "upb/bytestream.h"
+
+namespace upb {
+
+namespace proto2_bridge_google3 { class FieldAccessor; }
+namespace proto2_bridge_opensource { class FieldAccessor; }
+
+namespace google {
+
+class P2R_Handlers;
+
+class CordSupport {
+ private:
+  UPB_DISALLOW_POD_OPS(CordSupport);
+
+  inline static void AssignToCord(const upb::ByteRegion* r, Cord* cord) {
+    // TODO(haberman): ref source data if source is a cord.
+    cord->Clear();
+    uint64_t ofs = r->start_ofs();
+    while (ofs < r->end_ofs()) {
+      size_t len;
+      const char *buf = r->GetPtr(ofs, &len);
+      cord->Append(StringPiece(buf, len));
+      ofs += len;
+    }
+  }
+
+  friend class ::upb::proto2_bridge_google3::FieldAccessor;
+  friend class ::upb::proto2_bridge_opensource::FieldAccessor;
+  friend class P2R_Handlers;
+};
+
+}  // namespace google
+}  // namespace upb
+
+#endif  // UPB_GOOGLE_CORD_H