Make the fuchsia mojo/public repo the source of truth.

mojo/public/cpp/bindings/lib/bindings_serialization.h

-// Copyright 2013 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_BINDINGS_SERIALIZATION_H_
-#define MOJO_PUBLIC_CPP_BINDINGS_LIB_BINDINGS_SERIALIZATION_H_
-
-#include <mojo/system/handle.h>
-
-#include <vector>
-
-#include "mojo/public/cpp/bindings/lib/bindings_internal.h"
-#include "mojo/public/cpp/system/handle.h"
-
-namespace mojo {
-
-template <typename I>
-class InterfaceHandle;
-
-namespace internal {
-
-// Please note that this is a different value than |mojo::kInvalidHandleValue|,
-// which is the "decoded" invalid handle.
-const MojoHandle kEncodedInvalidHandleValue = static_cast<MojoHandle>(-1);
-
-size_t Align(size_t size);
-char* AlignPointer(char* ptr);
-
-bool IsAligned(const void* ptr);
-
-// Pointers are encoded as relative offsets. The offsets are relative to the
-// address of where the offset value is stored, such that the pointer may be
-// recovered with the expression:
-//
-//   ptr = reinterpret_cast<char*>(offset) + *offset
-//
-// A null pointer is encoded as an offset value of 0.
-//
-void EncodePointer(const void* ptr, uint64_t* offset);
-// Note: This function doesn't validate the encoded pointer value.
-const void* DecodePointerRaw(const uint64_t* offset);
-
-// Note: This function doesn't validate the encoded pointer value.
-template <typename T>
-inline void DecodePointer(const uint64_t* offset, T** ptr) {
-  *ptr = reinterpret_cast<T*>(const_cast<void*>(DecodePointerRaw(offset)));
-}
-
-// Handles are encoded as indices into a vector of handles. These functions
-// manipulate the value of |handle|, mapping it to and from an index.
-
-void EncodeHandle(Handle* handle, std::vector<Handle>* handles);
-void EncodeHandle(Interface_Data* data, std::vector<Handle>* handles);
-void EncodeHandle(MojoHandle* handle, std::vector<Handle>* handles);
-// Note: The following three functions don't validate the encoded handle value.
-void DecodeHandle(Handle* handle, std::vector<Handle>* handles);
-void DecodeHandle(Interface_Data* data, std::vector<Handle>* handles);
-void DecodeHandle(MojoHandle* handle, std::vector<Handle>* handles);
-
-// The following 2 functions are used to encode/decode all objects (structs and
-// arrays) in a consistent manner.
-
-template <typename T>
-inline void Encode(T* obj, std::vector<Handle>* handles) {
-  if (obj->ptr)
-    obj->ptr->EncodePointersAndHandles(handles);
-  EncodePointer(obj->ptr, &obj->offset);
-}
-
-// Note: This function doesn't validate the encoded pointer and handle values.
-template <typename T>
-inline void Decode(T* obj, std::vector<Handle>* handles) {
-  DecodePointer(&obj->offset, &obj->ptr);
-  if (obj->ptr)
-    obj->ptr->DecodePointersAndHandles(handles);
-}
-
-template <typename T>
-inline void InterfaceHandleToData(InterfaceHandle<T> input,
-                                  Interface_Data* output) {
-  output->handle = input.PassHandle().release();
-  output->version = input.version();
-}
-
-template <typename T>
-inline void InterfaceDataToHandle(Interface_Data* input,
-                                  InterfaceHandle<T>* output) {
-  *output = InterfaceHandle<T>(MakeScopedHandle(FetchAndReset(&input->handle)),
-                               input->version);
-}
-
-}  // namespace internal
-}  // namespace mojo
-
-#endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_BINDINGS_SERIALIZATION_H_