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43e6d345e4
* Clean ups, optimizations, and new File::commonDocumentsDirectory enum * Replace sortArray with std::sort for performance * More error tolerance in XML parser, speedups * Refactor some byte-order mark detection code * Add String::appendCharPointer overloads * More XML parser optimisations and better error detection * Misc performance tweaks * Fixes for support of non utf8 strings * Increased precision when storing strings in XmlElement * Minor clean-ups * Minor fix to XmlDocument * Cleanups to CriticalSection and related synchronization primitives * Fix DynamicArray unit test
84 lines
3.9 KiB
C++
84 lines
3.9 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
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Portions of this file are from JUCE.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Please visit http://www.juce.com
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef BEAST_SUBREGIONSTREAM_H_INCLUDED
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#define BEAST_SUBREGIONSTREAM_H_INCLUDED
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//==============================================================================
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/** Wraps another input stream, and reads from a specific part of it.
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This lets you take a subsection of a stream and present it as an entire
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stream in its own right.
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*/
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class BEAST_API SubregionStream
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: public InputStream
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, LeakChecked <SubregionStream>
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{
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public:
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//==============================================================================
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/** Creates a SubregionStream from an input source.
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@param sourceStream the source stream to read from
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@param startPositionInSourceStream this is the position in the source stream that
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corresponds to position 0 in this stream
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@param lengthOfSourceStream this specifies the maximum number of bytes
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from the source stream that will be passed through
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by this stream. When the position of this stream
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exceeds lengthOfSourceStream, it will cause an end-of-stream.
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If the length passed in here is greater than the length
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of the source stream (as returned by getTotalLength()),
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then the smaller value will be used.
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Passing a negative value for this parameter means it
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will keep reading until the source's end-of-stream.
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@param deleteSourceWhenDestroyed whether the sourceStream that is passed in should be
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deleted by this object when it is itself deleted.
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*/
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SubregionStream (InputStream* sourceStream,
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int64 startPositionInSourceStream,
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int64 lengthOfSourceStream,
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bool deleteSourceWhenDestroyed);
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/** Destructor.
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This may also delete the source stream, if that option was chosen when the
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buffered stream was created.
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*/
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~SubregionStream();
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//==============================================================================
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int64 getTotalLength();
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int64 getPosition();
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bool setPosition (int64 newPosition);
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int read (void* destBuffer, int maxBytesToRead);
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bool isExhausted();
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//==============================================================================
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private:
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OptionalScopedPointer<InputStream> source;
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const int64 startPositionInSourceStream, lengthOfSourceStream;
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};
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#endif // BEAST_SUBREGIONSTREAM_H_INCLUDED
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