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juce_MemoryMappedFile.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) 2017 - ROLI Ltd.
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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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class
JUCE_API
MemoryMappedFile
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{
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public
:
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enum
AccessMode
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{
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readOnly
,
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readWrite
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};
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MemoryMappedFile
(
const
File
& file, AccessMode mode,
bool
exclusive
=
false
);
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MemoryMappedFile
(
const
File
& file,
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const
Range<int64>
&
fileRange
,
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AccessMode mode,
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bool
exclusive
=
false
);
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~MemoryMappedFile
();
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void
*
getData
()
const
noexcept
{
return
address; }
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size_t
getSize
()
const
noexcept
{
return
(
size_t
) range.getLength(); }
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Range<int64>
getRange
()
const
noexcept
{
return
range; }
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private
:
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//==============================================================================
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void
* address =
nullptr
;
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Range<int64>
range;
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#if JUCE_WINDOWS
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void
* fileHandle =
nullptr
;
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#else
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int
fileHandle = 0;
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#endif
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void
openInternal (
const
File
&, AccessMode,
bool
);
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (
MemoryMappedFile
)
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};
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}
// namespace juce
juce::Array
Definition
juce_Array.h:56
juce::File
Definition
juce_File.h:41
juce::MemoryMappedFile
Definition
juce_MemoryMappedFile.h:33
juce::MemoryMappedFile::getRange
Range< int64 > getRange() const noexcept
Definition
juce_MemoryMappedFile.h:97
juce::MemoryMappedFile::~MemoryMappedFile
~MemoryMappedFile()
juce::MemoryMappedFile::getData
void * getData() const noexcept
Definition
juce_MemoryMappedFile.h:89
juce::MemoryMappedFile::getSize
size_t getSize() const noexcept
Definition
juce_MemoryMappedFile.h:94
juce::MemoryMappedFile::AccessMode
AccessMode
Definition
juce_MemoryMappedFile.h:37
juce::MemoryMappedFile::readOnly
@ readOnly
Definition
juce_MemoryMappedFile.h:38
JuceLibraryCode
modules
juce_core
files
juce_MemoryMappedFile.h
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