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Side by Side Diff: mojo/public/cpp/bindings/lib/array_internal.h

Issue 2358133002: Turn //mojo/public/cpp/bindings and //mojo/public/cpp/system into components (Closed)
Patch Set: Fix wording Created 4 years, 3 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 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_ARRAY_INTERNAL_H_ 5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_LIB_ARRAY_INTERNAL_H_
6 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_ARRAY_INTERNAL_H_ 6 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_ARRAY_INTERNAL_H_
7 7
8 #include <stddef.h> 8 #include <stddef.h>
9 #include <stdint.h> 9 #include <stdint.h>
10 10
11 #include <limits> 11 #include <limits>
12 #include <new> 12 #include <new>
13 13
14 #include "base/logging.h" 14 #include "base/logging.h"
15 #include "mojo/public/c/system/macros.h" 15 #include "mojo/public/c/system/macros.h"
16 #include "mojo/public/cpp/bindings/bindings_export.h"
16 #include "mojo/public/cpp/bindings/lib/bindings_internal.h" 17 #include "mojo/public/cpp/bindings/lib/bindings_internal.h"
17 #include "mojo/public/cpp/bindings/lib/buffer.h" 18 #include "mojo/public/cpp/bindings/lib/buffer.h"
18 #include "mojo/public/cpp/bindings/lib/serialization_util.h" 19 #include "mojo/public/cpp/bindings/lib/serialization_util.h"
19 #include "mojo/public/cpp/bindings/lib/template_util.h" 20 #include "mojo/public/cpp/bindings/lib/template_util.h"
20 #include "mojo/public/cpp/bindings/lib/validate_params.h" 21 #include "mojo/public/cpp/bindings/lib/validate_params.h"
21 #include "mojo/public/cpp/bindings/lib/validation_context.h" 22 #include "mojo/public/cpp/bindings/lib/validation_context.h"
22 #include "mojo/public/cpp/bindings/lib/validation_errors.h" 23 #include "mojo/public/cpp/bindings/lib/validation_errors.h"
23 #include "mojo/public/cpp/bindings/lib/validation_util.h" 24 #include "mojo/public/cpp/bindings/lib/validation_util.h"
24 25
25 namespace mojo { 26 namespace mojo {
26 namespace internal { 27 namespace internal {
27 28
28 template <typename K, typename V> 29 template <typename K, typename V>
29 class Map_Data; 30 class Map_Data;
30 31
31 std::string MakeMessageWithArrayIndex(const char* message, 32 MOJO_CPP_BINDINGS_EXPORT std::string
32 size_t size, 33 MakeMessageWithArrayIndex(const char* message, size_t size, size_t index);
33 size_t index);
34 34
35 std::string MakeMessageWithExpectedArraySize(const char* message, 35 MOJO_CPP_BINDINGS_EXPORT std::string MakeMessageWithExpectedArraySize(
36 size_t size, 36 const char* message,
37 size_t expected_size); 37 size_t size,
38 size_t expected_size);
38 39
39 template <typename T> 40 template <typename T>
40 struct ArrayDataTraits { 41 struct ArrayDataTraits {
41 using StorageType = T; 42 using StorageType = T;
42 using Ref = T&; 43 using Ref = T&;
43 using ConstRef = const T&; 44 using ConstRef = const T&;
44 45
45 static const uint32_t kMaxNumElements = 46 static const uint32_t kMaxNumElements =
46 (std::numeric_limits<uint32_t>::max() - sizeof(ArrayHeader)) / 47 (std::numeric_limits<uint32_t>::max() - sizeof(ArrayHeader)) /
47 sizeof(StorageType); 48 sizeof(StorageType);
(...skipping 12 matching lines...) Expand all
60 61
61 // Specialization of Arrays for bools, optimized for space. It has the 62 // Specialization of Arrays for bools, optimized for space. It has the
62 // following differences from a generalized Array: 63 // following differences from a generalized Array:
63 // * Each element takes up a single bit of memory. 64 // * Each element takes up a single bit of memory.
64 // * Accessing a non-const single element uses a helper class |BitRef|, which 65 // * Accessing a non-const single element uses a helper class |BitRef|, which
65 // emulates a reference to a bool. 66 // emulates a reference to a bool.
66 template <> 67 template <>
67 struct ArrayDataTraits<bool> { 68 struct ArrayDataTraits<bool> {
68 // Helper class to emulate a reference to a bool, used for direct element 69 // Helper class to emulate a reference to a bool, used for direct element
69 // access. 70 // access.
70 class BitRef { 71 class MOJO_CPP_BINDINGS_EXPORT BitRef {
71 public: 72 public:
72 ~BitRef(); 73 ~BitRef();
73 BitRef& operator=(bool value); 74 BitRef& operator=(bool value);
74 BitRef& operator=(const BitRef& value); 75 BitRef& operator=(const BitRef& value);
75 operator bool() const; 76 operator bool() const;
76 77
77 private: 78 private:
78 friend struct ArrayDataTraits<bool>; 79 friend struct ArrayDataTraits<bool>;
79 BitRef(uint8_t* storage, uint8_t mask); 80 BitRef(uint8_t* storage, uint8_t mask);
80 BitRef(); 81 BitRef();
(...skipping 277 matching lines...) Expand 10 before | Expand all | Expand 10 after
358 }; 359 };
359 static_assert(sizeof(Array_Data<char>) == 8, "Bad sizeof(Array_Data)"); 360 static_assert(sizeof(Array_Data<char>) == 8, "Bad sizeof(Array_Data)");
360 361
361 // UTF-8 encoded 362 // UTF-8 encoded
362 using String_Data = Array_Data<char>; 363 using String_Data = Array_Data<char>;
363 364
364 } // namespace internal 365 } // namespace internal
365 } // namespace mojo 366 } // namespace mojo
366 367
367 #endif // MOJO_PUBLIC_CPP_BINDINGS_LIB_ARRAY_INTERNAL_H_ 368 #endif // MOJO_PUBLIC_CPP_BINDINGS_LIB_ARRAY_INTERNAL_H_
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