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juce_ArrayAllocationBase.h
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2022 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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The code included in this file is provided under the terms of the ISC license
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http://www.isc.org/downloads/software-support-policy/isc-license. Permission
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To use, copy, modify, and/or distribute this software for any purpose with or
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without fee is hereby granted provided that the above copyright notice and
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this permission notice appear in all copies.
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace
juce
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{
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//==============================================================================
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template
<
class
ElementType,
class
TypeOfCriticalSectionToUse>
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class
ArrayAllocationBase
:
public
TypeOfCriticalSectionToUse
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{
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public
:
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//==============================================================================
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ArrayAllocationBase
() =
default
;
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~ArrayAllocationBase
() =
default
;
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ArrayAllocationBase
(
ArrayAllocationBase
&& other)
noexcept
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: elements (std::move (other.elements)),
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numAllocated (other.numAllocated)
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{
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}
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ArrayAllocationBase
&
operator=
(
ArrayAllocationBase
&& other)
noexcept
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{
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elements = std::move (other.elements);
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numAllocated = other.numAllocated;
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return
*
this
;
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}
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//==============================================================================
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void
setAllocatedSize
(
int
numElements
)
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{
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if
(numAllocated !=
numElements
)
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{
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if
(
numElements
> 0)
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elements.realloc ((
size_t
)
numElements
);
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else
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elements.free();
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numAllocated =
numElements
;
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}
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}
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void
ensureAllocatedSize
(
int
minNumElements
)
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{
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if
(
minNumElements
> numAllocated)
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setAllocatedSize
((
minNumElements
+
minNumElements
/ 2 + 8) & ~7);
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jassert (numAllocated <= 0 || elements !=
nullptr
);
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}
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void
shrinkToNoMoreThan
(
int
maxNumElements
)
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{
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if
(
maxNumElements
< numAllocated)
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setAllocatedSize
(
maxNumElements
);
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}
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void
swapWith
(
ArrayAllocationBase
& other)
noexcept
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{
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elements.swapWith (other.elements);
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std::swap (numAllocated, other.numAllocated);
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}
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//==============================================================================
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HeapBlock<ElementType>
elements;
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int
numAllocated = 0;
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private
:
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JUCE_DECLARE_NON_COPYABLE (
ArrayAllocationBase
)
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};
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}
// namespace juce
juce::ArrayAllocationBase
Definition
juce_ArrayAllocationBase.h:38
juce::ArrayAllocationBase::shrinkToNoMoreThan
void shrinkToNoMoreThan(int maxNumElements)
Definition
juce_ArrayAllocationBase.h:100
juce::ArrayAllocationBase::ArrayAllocationBase
ArrayAllocationBase()=default
juce::ArrayAllocationBase::~ArrayAllocationBase
~ArrayAllocationBase()=default
juce::ArrayAllocationBase::ensureAllocatedSize
void ensureAllocatedSize(int minNumElements)
Definition
juce_ArrayAllocationBase.h:89
juce::ArrayAllocationBase::setAllocatedSize
void setAllocatedSize(int numElements)
Definition
juce_ArrayAllocationBase.h:68
juce::ArrayAllocationBase::swapWith
void swapWith(ArrayAllocationBase &other) noexcept
Definition
juce_ArrayAllocationBase.h:107
juce::Optional
Definition
juce_Optional.h:57
JuceLibraryCode
modules
juce_core
containers
juce_ArrayAllocationBase.h
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