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Diffstat (limited to 'mojo/public/cpp/bindings/lib/map_data_internal.h')
-rw-r--r-- | mojo/public/cpp/bindings/lib/map_data_internal.h | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/mojo/public/cpp/bindings/lib/map_data_internal.h b/mojo/public/cpp/bindings/lib/map_data_internal.h deleted file mode 100644 index 7787714..0000000 --- a/mojo/public/cpp/bindings/lib/map_data_internal.h +++ /dev/null @@ -1,118 +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_DATA_INTERNAL_H_ -#define MOJO_PUBLIC_CPP_BINDINGS_LIB_MAP_DATA_INTERNAL_H_ - -#include "mojo/public/cpp/bindings/lib/array_internal.h" -#include "mojo/public/cpp/bindings/lib/validate_params.h" -#include "mojo/public/cpp/bindings/lib/validation_errors.h" - -namespace mojo { -namespace internal { - -// Data types for keys. -template <typename MapKey> -struct MapKeyValidateParams { - public: - typedef NoValidateParams ElementValidateParams; - static const uint32_t expected_num_elements = 0; - static const bool element_is_nullable = false; -}; - -// For non-nullable strings only. (Which is OK; map keys can't be null.) -template <> -struct MapKeyValidateParams<mojo::internal::Array_Data<char>*> { - public: - typedef ArrayValidateParams<0, false, NoValidateParams> ElementValidateParams; - static const uint32_t expected_num_elements = 0; - static const bool element_is_nullable = false; -}; - -// Map serializes into a struct which has two arrays as struct fields, the keys -// and the values. -template <typename Key, typename Value> -class Map_Data { - public: - static Map_Data* New(Buffer* buf) { - return new (buf->Allocate(sizeof(Map_Data))) Map_Data(); - } - - template <typename ValueParams> - static bool Validate(const void* data, BoundsChecker* bounds_checker) { - if (!data) - return true; - - if (!ValidateStructHeader(data, sizeof(Map_Data), 2, bounds_checker)) - return false; - - const Map_Data* object = static_cast<const Map_Data*>(data); - if (!ValidateEncodedPointer(&object->keys.offset)) { - ReportValidationError(VALIDATION_ERROR_ILLEGAL_POINTER); - return false; - } - if (!object->keys.offset) { - ReportValidationError(VALIDATION_ERROR_UNEXPECTED_NULL_POINTER, - "null key array in map struct"); - return false; - } - if (!Array_Data<Key>::template Validate<MapKeyValidateParams<Key>>( - DecodePointerRaw(&object->keys.offset), bounds_checker)) { - return false; - } - - if (!ValidateEncodedPointer(&object->values.offset)) { - ReportValidationError(VALIDATION_ERROR_ILLEGAL_POINTER); - return false; - } - if (!object->values.offset) { - ReportValidationError(VALIDATION_ERROR_UNEXPECTED_NULL_POINTER, - "null value array in map struct"); - return false; - } - if (!Array_Data<Value>::template Validate<ValueParams>( - DecodePointerRaw(&object->values.offset), bounds_checker)) { - return false; - } - - const ArrayHeader* key_header = - static_cast<const ArrayHeader*>(DecodePointerRaw(&object->keys.offset)); - const ArrayHeader* value_header = static_cast<const ArrayHeader*>( - DecodePointerRaw(&object->values.offset)); - if (key_header->num_elements != value_header->num_elements) { - ReportValidationError(VALIDATION_ERROR_DIFFERENT_SIZED_ARRAYS_IN_MAP); - return false; - } - - return true; - } - - StructHeader header_; - - ArrayPointer<Key> keys; - ArrayPointer<Value> values; - - void EncodePointersAndHandles(std::vector<mojo::Handle>* handles) { - Encode(&keys, handles); - Encode(&values, handles); - } - - void DecodePointersAndHandles(std::vector<mojo::Handle>* handles) { - Decode(&keys, handles); - Decode(&values, handles); - } - - private: - Map_Data() { - header_.num_bytes = sizeof(*this); - header_.num_fields = 2; - } - ~Map_Data() = delete; -}; -static_assert(sizeof(Map_Data<char, char>) == 24, "Bad sizeof(Map_Data)"); - -} // namespace internal -} // namespace mojo - -#endif // MOJO_PUBLIC_CPP_BINDINGS_LIB_MAP_DATA_INTERNAL_H_ |