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

Index: mojo/public/cpp/bindings/lib/map_serialization.h
diff --git a/mojo/public/cpp/bindings/lib/map_serialization.h b/mojo/public/cpp/bindings/lib/map_serialization.h
deleted file mode 100644
index 8605cb75c9c1ae6ffb3e29d083bc6d08cdbf0881..0000000000000000000000000000000000000000
--- a/mojo/public/cpp/bindings/lib/map_serialization.h
+++ /dev/null
@@ -1,212 +0,0 @@
-// 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_MAP_SERIALIZATION_H_
-#define MOJO_PUBLIC_CPP_BINDINGS_LIB_MAP_SERIALIZATION_H_
-
-#include <type_traits>
-
-#include "mojo/public/cpp/bindings/lib/array_internal.h"
-#include "mojo/public/cpp/bindings/lib/array_serialization.h"
-#include "mojo/public/cpp/bindings/lib/bindings_internal.h"
-#include "mojo/public/cpp/bindings/lib/iterator_util.h"
-#include "mojo/public/cpp/bindings/lib/map_data_internal.h"
-#include "mojo/public/cpp/bindings/lib/map_internal.h"
-#include "mojo/public/cpp/bindings/lib/string_serialization.h"
-#include "mojo/public/cpp/bindings/lib/template_util.h"
-#include "mojo/public/cpp/bindings/map.h"
-
-namespace mojo {
-namespace internal {
-
-template <typename MapType,
-          typename DataType,
-          bool value_is_move_only_type = IsMoveOnlyType<MapType>::value,
-          bool is_union = IsUnionDataType<
-              typename std::remove_pointer<DataType>::type>::value>
-struct MapSerializer;
-
-template <typename MapType, typename DataType>
-struct MapSerializer<MapType, DataType, false, false> {
-  static size_t GetBaseArraySize(size_t count) {
-    return Align(count * sizeof(DataType));
-  }
-  static size_t GetItemSize(const MapType& item) { return 0; }
-};
-
-template <>
-struct MapSerializer<bool, bool, false, false> {
-  static size_t GetBaseArraySize(size_t count) {
-    return Align((count + 7) / 8);
-  }
-  static size_t GetItemSize(bool item) { return 0; }
-};
-
-template <typename H>
-struct MapSerializer<ScopedHandleBase<H>, H, true, false> {
-  static size_t GetBaseArraySize(size_t count) {
-    return Align(count * sizeof(H));
-  }
-  static size_t GetItemSize(const ScopedHandleBase<H>& item) { return 0; }
-};
-
-// This template must only apply to pointer mojo entity (structs and arrays).
-// This is done by ensuring that WrapperTraits<S>::DataType is a pointer.
-template <typename S>
-struct MapSerializer<
-    S,
-    typename std::enable_if<
-        std::is_pointer<typename WrapperTraits<S>::DataType>::value,
-        typename WrapperTraits<S>::DataType>::type,
-    true,
-    false> {
-  typedef
-      typename std::remove_pointer<typename WrapperTraits<S>::DataType>::type
-          S_Data;
-  static size_t GetBaseArraySize(size_t count) {
-    return count * sizeof(StructPointer<S_Data>);
-  }
-  static size_t GetItemSize(const S& item) {
-    return item ? GetSerializedSize_(*UnwrapConstStructPtr<S>::value(item)) : 0;
-  }
-};
-
-template <typename U, typename U_Data>
-struct MapSerializer<U, U_Data, true, true> {
-  static size_t GetBaseArraySize(size_t count) {
-    // GetSerializedSize_ (called in GetItemSize()) will account for
-    // sizeof(U_Data), so prevent double counting by having this count be 0.
-    return 0;
-  }
-  static size_t GetItemSize(const U& item) { return GetSerializedSize_(item); }
-};
-
-template <>
-struct MapSerializer<String, String_Data*, false, false> {
-  static size_t GetBaseArraySize(size_t count) {
-    return count * sizeof(StringPointer);
-  }
-  static size_t GetItemSize(const String& item) {
-    return GetSerializedSize_(item);
-  }
-};
-
-}  // namespace internal
-
-// TODO(erg): This can't go away yet. We still need to calculate out the size
-// of a struct header, and two arrays.
-template <typename MapKey, typename MapValue>
-inline size_t GetSerializedSize_(const Map<MapKey, MapValue>& input) {
-  if (!input)
-    return 0;
-  typedef typename internal::WrapperTraits<MapKey>::DataType DataKey;
-  typedef typename internal::WrapperTraits<MapValue>::DataType DataValue;
-
-  size_t count = input.size();
-  size_t struct_overhead = sizeof(mojo::internal::Map_Data<DataKey, DataValue>);
-  size_t key_base_size =
-      sizeof(internal::ArrayHeader) +
-      internal::MapSerializer<MapKey, DataKey>::GetBaseArraySize(count);
-  size_t value_base_size =
-      sizeof(internal::ArrayHeader) +
-      internal::MapSerializer<MapValue, DataValue>::GetBaseArraySize(count);
-
-  size_t key_data_size = 0;
-  size_t value_data_size = 0;
-  for (auto it = input.cbegin(); it != input.cend(); ++it) {
-    key_data_size +=
-        internal::MapSerializer<MapKey, DataKey>::GetItemSize(it.GetKey());
-    value_data_size +=
-        internal::MapSerializer<MapValue, DataValue>::GetItemSize(
-            it.GetValue());
-  }
-
-  return struct_overhead + key_base_size + key_data_size + value_base_size +
-         value_data_size;
-}
-
-// SerializeMap_ will return ValidationError::NONE on success and set
-// |output| accordingly.  On failure, |input| will be partially serialized into
-// |output| up until an error occurs (which is propagated up and returned by
-// SerializeMap_), in which case |buf| is also partially consumed.
-//
-// We don't need an ArrayValidateParams instance for key validation since
-// we can deduce it from the Key type. (which can only be primitive types or
-// non-nullable strings.)
-template <typename MapKey,
-          typename MapValue,
-          typename DataKey,
-          typename DataValue>
-inline internal::ValidationError SerializeMap_(
-    Map<MapKey, MapValue>* input,
-    internal::Buffer* buf,
-    internal::Map_Data<DataKey, DataValue>** output,
-    const internal::ArrayValidateParams* value_validate_params) {
-  if (input->is_null()) {
-    // |input| could be a nullable map, in which case |output| is serialized as
-    // null, which is valid.
-    *output = nullptr;
-    return internal::ValidationError::NONE;
-  }
-
-  internal::Map_Data<DataKey, DataValue>* result =
-      internal::Map_Data<DataKey, DataValue>::New(buf);
-
-  // We *must* serialize the keys before we allocate an Array_Data for the
-  // values.
-  internal::Array_Data<DataKey>* keys_data =
-      internal::Array_Data<DataKey>::New(input->size(), buf);
-  result->keys.ptr = keys_data;
-
-  internal::MapKeyIterator<MapKey, MapValue> key_iter(input);
-  const internal::ArrayValidateParams* key_validate_params =
-      internal::MapKeyValidateParamsFactory<DataKey>::Get();
-
-  auto keys_retval =
-      internal::ArraySerializer<MapKey, DataKey>::SerializeElements(
-          key_iter.begin(), input->size(), buf, result->keys.ptr,
-          key_validate_params);
-  if (keys_retval != internal::ValidationError::NONE)
-    return keys_retval;
-
-  // Now we try allocate an Array_Data for the values
-  internal::Array_Data<DataValue>* values_data =
-      internal::Array_Data<DataValue>::New(input->size(), buf);
-  result->values.ptr = values_data;
-
-  internal::MapValueIterator<MapKey, MapValue> value_iter(input);
-
-  auto values_retval =
-      internal::ArraySerializer<MapValue, DataValue>::SerializeElements(
-          value_iter.begin(), input->size(), buf, result->values.ptr,
-          value_validate_params);
-  if (values_retval != internal::ValidationError::NONE)
-    return values_retval;
-
-  *output = result;
-  return internal::ValidationError::NONE;
-}
-
-template <typename MapKey,
-          typename MapValue,
-          typename DataKey,
-          typename DataValue>
-inline void Deserialize_(internal::Map_Data<DataKey, DataValue>* input,
-                         Map<MapKey, MapValue>* output) {
-  if (input) {
-    Array<MapKey> keys;
-    Array<MapValue> values;
-
-    Deserialize_(input->keys.ptr, &keys);
-    Deserialize_(input->values.ptr, &values);
-
-    *output = Map<MapKey, MapValue>(keys.Pass(), values.Pass());
-  } else {
-    output->reset();
-  }
-}
-
-}  // namespace mojo
-
-#endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_MAP_SERIALIZATION_H_