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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
91 lines
3.4 KiB
C++
91 lines
3.4 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_FILEINPUTSTREAM_H_INCLUDED
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#define BEAST_FILEINPUTSTREAM_H_INCLUDED
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//==============================================================================
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/**
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An input stream that reads from a local file.
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@see InputStream, FileOutputStream, File::createInputStream
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*/
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class BEAST_API FileInputStream
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: public InputStream
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, LeakChecked <FileInputStream>
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{
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public:
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//==============================================================================
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/** Creates a FileInputStream.
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@param fileToRead the file to read from - if the file can't be accessed for some
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reason, then the stream will just contain no data
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*/
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explicit FileInputStream (const File& fileToRead);
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/** Destructor. */
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~FileInputStream();
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//==============================================================================
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/** Returns the file that this stream is reading from. */
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const File& getFile() const noexcept { return file; }
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/** Returns the status of the file stream.
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The result will be ok if the file opened successfully. If an error occurs while
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opening or reading from the file, this will contain an error message.
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*/
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const Result& getStatus() const noexcept { return status; }
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/** Returns true if the stream couldn't be opened for some reason.
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@see getResult()
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*/
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bool failedToOpen() const noexcept { return status.failed(); }
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/** Returns true if the stream opened without problems.
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@see getResult()
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*/
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bool openedOk() const noexcept { return status.wasOk(); }
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//==============================================================================
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int64 getTotalLength();
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int read (void* destBuffer, int maxBytesToRead);
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bool isExhausted();
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int64 getPosition();
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bool setPosition (int64 pos);
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private:
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//==============================================================================
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File file;
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void* fileHandle;
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int64 currentPosition;
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Result status;
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bool needToSeek;
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void openHandle();
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void closeHandle();
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size_t readInternal (void* buffer, size_t numBytes);
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};
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#endif // BEAST_FILEINPUTSTREAM_H_INCLUDED
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