1 files changed, 70 insertions, 0 deletions
diff --git a/mojo/public/cpp/bindings/lib/string_serialization.h b/mojo/public/cpp/bindings/lib/string_serialization.h
new file mode 100644
index 0000000000..6e0c758576
--- /dev/null
+++ b/mojo/public/cpp/bindings/lib/string_serialization.h
@@ -0,0 +1,70 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MOJO_PUBLIC_CPP_BINDINGS_LIB_STRING_SERIALIZATION_H_
+#define MOJO_PUBLIC_CPP_BINDINGS_LIB_STRING_SERIALIZATION_H_
+
+#include <stddef.h>
+#include <string.h>
+
+#include "mojo/public/cpp/bindings/lib/array_internal.h"
+#include "mojo/public/cpp/bindings/lib/serialization_forward.h"
+#include "mojo/public/cpp/bindings/lib/serialization_util.h"
+#include "mojo/public/cpp/bindings/string_data_view.h"
+#include "mojo/public/cpp/bindings/string_traits.h"
+
+namespace mojo {
+namespace internal {
+
+template <typename MaybeConstUserType>
+struct Serializer<StringDataView, MaybeConstUserType> {
+  using UserType = typename std::remove_const<MaybeConstUserType>::type;
+  using Traits = StringTraits<UserType>;
+
+  static size_t PrepareToSerialize(MaybeConstUserType& input,
+                                   SerializationContext* context) {
+    if (CallIsNullIfExists<Traits>(input))
+      return 0;
+
+    void* custom_context = CustomContextHelper<Traits>::SetUp(input, context);
+    return Align(sizeof(String_Data) +
+                 CallWithContext(Traits::GetSize, input, custom_context));
+  }
+
+  static void Serialize(MaybeConstUserType& input,
+                        Buffer* buffer,
+                        String_Data** output,
+                        SerializationContext* context) {
+    if (CallIsNullIfExists<Traits>(input)) {
+      *output = nullptr;
+      return;
+    }
+
+    void* custom_context = CustomContextHelper<Traits>::GetNext(context);
+
+    String_Data* result = String_Data::New(
+        CallWithContext(Traits::GetSize, input, custom_context), buffer);
+    if (result) {
+      memcpy(result->storage(),
+             CallWithContext(Traits::GetData, input, custom_context),
+             CallWithContext(Traits::GetSize, input, custom_context));
+    }
+    *output = result;
+
+    CustomContextHelper<Traits>::TearDown(input, custom_context);
+  }
+
+  static bool Deserialize(String_Data* input,
+                          UserType* output,
+                          SerializationContext* context) {
+    if (!input)
+      return CallSetToNullIfExists<Traits>(output);
+    return Traits::Read(StringDataView(input, context), output);
+  }
+};
+
+}  // namespace internal
+}  // namespace mojo
+
+#endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_STRING_SERIALIZATION_H_