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juce_ArrayAllocationBase.h
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2017 - ROLI Ltd.
6
7 JUCE is an open source library subject to commercial or open-source
8 licensing.
9
10 The code included in this file is provided under the terms of the ISC license
11 http://www.isc.org/downloads/software-support-policy/isc-license. Permission
12 To use, copy, modify, and/or distribute this software for any purpose with or
13 without fee is hereby granted provided that the above copyright notice and
14 this permission notice appear in all copies.
15
16 JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
17 EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
18 DISCLAIMED.
19
20 ==============================================================================
21*/
22
23namespace juce
24{
25
26//==============================================================================
36template <class ElementType, class TypeOfCriticalSectionToUse>
37class ArrayAllocationBase : public TypeOfCriticalSectionToUse
38{
39public:
40 //==============================================================================
43
46
48 : elements (std::move (other.elements)),
49 numAllocated (other.numAllocated)
50 {
51 }
52
54 {
55 elements = std::move (other.elements);
56 numAllocated = other.numAllocated;
57 return *this;
58 }
59
60 //==============================================================================
69 {
70 if (numAllocated != numElements)
71 {
72 if (numElements > 0)
73 elements.realloc ((size_t) numElements);
74 else
75 elements.free();
76
77 numAllocated = numElements;
78 }
79 }
80
90 {
91 if (minNumElements > numAllocated)
93
94 jassert (numAllocated <= 0 || elements != nullptr);
95 }
96
101 {
102 if (maxNumElements < numAllocated)
104 }
105
108 {
109 elements.swapWith (other.elements);
110 std::swap (numAllocated, other.numAllocated);
111 }
112
113 //==============================================================================
114 HeapBlock<ElementType> elements;
115 int numAllocated = 0;
116
117private:
118 JUCE_DECLARE_NON_COPYABLE (ArrayAllocationBase)
119};
120
121} // namespace juce
void shrinkToNoMoreThan(int maxNumElements)
void ensureAllocatedSize(int minNumElements)
void setAllocatedSize(int numElements)
void swapWith(ArrayAllocationBase &other) noexcept
void swapWith(OtherArrayType &otherArray) noexcept
Definition juce_Array.h:621