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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_LIB_SERIALIZATION_H_ | 5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_LIB_SERIALIZATION_H_ |
6 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_SERIALIZATION_H_ | 6 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_SERIALIZATION_H_ |
7 | 7 |
8 #include <string.h> | 8 #include <string.h> |
9 | 9 |
10 #include "mojo/public/cpp/bindings/array_traits_carray.h" | 10 #include "mojo/public/cpp/bindings/array_traits_carray.h" |
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57 | 57 |
58 if (need_copy) { | 58 if (need_copy) { |
59 memcpy(&result.front(), result_buffer, size); | 59 memcpy(&result.front(), result_buffer, size); |
60 free(result_buffer); | 60 free(result_buffer); |
61 } | 61 } |
62 | 62 |
63 return result; | 63 return result; |
64 } | 64 } |
65 | 65 |
66 template <typename MojomType, typename DataArrayType, typename UserType> | 66 template <typename MojomType, typename DataArrayType, typename UserType> |
67 bool StructDeserializeImpl(const DataArrayType& input, UserType* output) { | 67 bool StructDeserializeImpl(const DataArrayType& input, |
| 68 UserType* output, |
| 69 bool (*validate_func)(const void*, |
| 70 ValidationContext*)) { |
68 static_assert(BelongsTo<MojomType, MojomTypeCategory::STRUCT>::value, | 71 static_assert(BelongsTo<MojomType, MojomTypeCategory::STRUCT>::value, |
69 "Unexpected type."); | 72 "Unexpected type."); |
70 using DataType = typename MojomTypeTraits<MojomType>::Data; | 73 using DataType = typename MojomTypeTraits<MojomType>::Data; |
71 | 74 |
72 // TODO(sammc): Use DataArrayType::empty() once WTF::Vector::empty() exists. | 75 // TODO(sammc): Use DataArrayType::empty() once WTF::Vector::empty() exists. |
73 void* input_buffer = | 76 void* input_buffer = |
74 input.size() == 0 | 77 input.size() == 0 |
75 ? nullptr | 78 ? nullptr |
76 : const_cast<void*>(reinterpret_cast<const void*>(&input.front())); | 79 : const_cast<void*>(reinterpret_cast<const void*>(&input.front())); |
77 | 80 |
78 // Please see comments in StructSerializeImpl. | 81 // Please see comments in StructSerializeImpl. |
79 bool need_copy = !IsAligned(input_buffer); | 82 bool need_copy = !IsAligned(input_buffer); |
80 | 83 |
81 if (need_copy) { | 84 if (need_copy) { |
82 input_buffer = malloc(input.size()); | 85 input_buffer = malloc(input.size()); |
83 DCHECK(IsAligned(input_buffer)); | 86 DCHECK(IsAligned(input_buffer)); |
84 memcpy(input_buffer, &input.front(), input.size()); | 87 memcpy(input_buffer, &input.front(), input.size()); |
85 } | 88 } |
86 | 89 |
87 ValidationContext validation_context(input_buffer, input.size(), 0, 0); | 90 ValidationContext validation_context(input_buffer, input.size(), 0, 0); |
88 bool result = false; | 91 bool result = false; |
89 if (DataType::Validate(input_buffer, &validation_context)) { | 92 if (validate_func(input_buffer, &validation_context)) { |
90 auto data = reinterpret_cast<DataType*>(input_buffer); | 93 auto data = reinterpret_cast<DataType*>(input_buffer); |
91 SerializationContext context; | 94 SerializationContext context; |
92 result = Deserialize<MojomType>(data, output, &context); | 95 result = Deserialize<MojomType>(data, output, &context); |
93 } | 96 } |
94 | 97 |
95 if (need_copy) | 98 if (need_copy) |
96 free(input_buffer); | 99 free(input_buffer); |
97 | 100 |
98 return result; | 101 return result; |
99 } | 102 } |
100 | 103 |
101 } // namespace internal | 104 } // namespace internal |
102 } // namespace mojo | 105 } // namespace mojo |
103 | 106 |
104 #endif // MOJO_PUBLIC_CPP_BINDINGS_LIB_SERIALIZATION_H_ | 107 #endif // MOJO_PUBLIC_CPP_BINDINGS_LIB_SERIALIZATION_H_ |
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