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88 lines
3.7 KiB
C++
88 lines
3.7 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library - "Jules' Utility Class Extensions"
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Copyright 2004-9 by Raw Material Software Ltd.
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------------------------------------------------------------------------------
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JUCE can be redistributed and/or modified under the terms of the GNU General
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Public License (Version 2), as published by the Free Software Foundation.
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A copy of the license is included in the JUCE distribution, or can be found
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online at www.gnu.org/licenses.
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.rawmaterialsoftware.com/juce for more information.
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==============================================================================
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*/
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#ifndef __JUCE_MEMORYINPUTSTREAM_JUCEHEADER__
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#define __JUCE_MEMORYINPUTSTREAM_JUCEHEADER__
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#include "juce_InputStream.h"
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//==============================================================================
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/**
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Allows a block of data and to be accessed as a stream.
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This can either be used to refer to a shared block of memory, or can make its
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own internal copy of the data when the MemoryInputStream is created.
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*/
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class JUCE_API MemoryInputStream : public InputStream
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{
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public:
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//==============================================================================
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/** Creates a MemoryInputStream.
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@param sourceData the block of data to use as the stream's source
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@param sourceDataSize the number of bytes in the source data block
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@param keepInternalCopyOfData if false, the stream will just keep a pointer to
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the source data, so this data shouldn't be changed
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for the lifetime of the stream; if this parameter is
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true, the stream will make its own copy of the
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data and use that.
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*/
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MemoryInputStream (const void* sourceData,
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size_t sourceDataSize,
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bool keepInternalCopyOfData);
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/** Creates a MemoryInputStream.
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@param data a block of data to use as the stream's source
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@param keepInternalCopyOfData if false, the stream will just keep a reference to
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the source data, so this data shouldn't be changed
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for the lifetime of the stream; if this parameter is
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true, the stream will make its own copy of the
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data and use that.
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*/
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MemoryInputStream (const MemoryBlock& data,
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bool keepInternalCopyOfData);
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/** Destructor. */
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~MemoryInputStream();
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//==============================================================================
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int64 getPosition();
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bool setPosition (int64 pos);
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int64 getTotalLength();
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bool isExhausted();
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int read (void* destBuffer, int maxBytesToRead);
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//==============================================================================
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juce_UseDebuggingNewOperator
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private:
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const char* data;
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size_t dataSize, position;
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MemoryBlock internalCopy;
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};
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#endif // __JUCE_MEMORYINPUTSTREAM_JUCEHEADER__
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