mirror of
https://github.com/XRPLF/rippled.git
synced 2025-11-20 02:55:50 +00:00
df89999891
Legacy workarounds for Visual Studio non thread-safe initialization of function local objects with static storage duration are removed: * Remove LeakChecked * Remove StaticObject * Remove SharedSingleton
112 lines
4.2 KiB
C++
112 lines
4.2 KiB
C++
//------------------------------------------------------------------------------
|
|
/*
|
|
This file is part of Beast: https://github.com/vinniefalco/Beast
|
|
Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
|
|
|
|
Portions of this file are from JUCE.
|
|
Copyright (c) 2013 - Raw Material Software Ltd.
|
|
Please visit http://www.juce.com
|
|
|
|
Permission to use, copy, modify, and/or distribute this software for any
|
|
purpose with or without fee is hereby granted, provided that the above
|
|
copyright notice and this permission notice appear in all copies.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
//==============================================================================
|
|
|
|
namespace beast
|
|
{
|
|
|
|
#ifndef BEAST_MODULE_CORE_FILES_FILEOUTPUTSTREAM_H_INCLUDED
|
|
#define BEAST_MODULE_CORE_FILES_FILEOUTPUTSTREAM_H_INCLUDED
|
|
|
|
//==============================================================================
|
|
/**
|
|
An output stream that writes into a local file.
|
|
|
|
@see OutputStream, FileInputStream, File::createOutputStream
|
|
*/
|
|
class FileOutputStream
|
|
: public OutputStream
|
|
{
|
|
public:
|
|
//==============================================================================
|
|
/** Creates a FileOutputStream.
|
|
|
|
If the file doesn't exist, it will first be created. If the file can't be
|
|
created or opened, the failedToOpen() method will return
|
|
true.
|
|
|
|
If the file already exists when opened, the stream's write-postion will
|
|
be set to the end of the file. To overwrite an existing file,
|
|
use File::deleteFile() before opening the stream, or use setPosition(0)
|
|
after it's opened (although this won't truncate the file).
|
|
*/
|
|
FileOutputStream (const File& fileToWriteTo,
|
|
size_t bufferSizeToUse = 16384);
|
|
|
|
/** Destructor. */
|
|
~FileOutputStream();
|
|
|
|
//==============================================================================
|
|
/** Returns the file that this stream is writing to.
|
|
*/
|
|
const File& getFile() const { return file; }
|
|
|
|
/** Returns the status of the file stream.
|
|
The result will be ok if the file opened successfully. If an error occurs while
|
|
opening or writing to the file, this will contain an error message.
|
|
*/
|
|
const Result& getStatus() const noexcept { return status; }
|
|
|
|
/** Returns true if the stream couldn't be opened for some reason.
|
|
@see getResult()
|
|
*/
|
|
bool failedToOpen() const noexcept { return status.failed(); }
|
|
|
|
/** Returns true if the stream opened without problems.
|
|
@see getResult()
|
|
*/
|
|
bool openedOk() const noexcept { return status.wasOk(); }
|
|
|
|
/** Attempts to truncate the file to the current write position.
|
|
To truncate a file to a specific size, first use setPosition() to seek to the
|
|
appropriate location, and then call this method.
|
|
*/
|
|
Result truncate();
|
|
|
|
//==============================================================================
|
|
void flush() override;
|
|
std::int64_t getPosition() override;
|
|
bool setPosition (std::int64_t) override;
|
|
bool write (const void*, size_t) override;
|
|
bool writeRepeatedByte (std::uint8_t byte, size_t numTimesToRepeat) override;
|
|
|
|
|
|
private:
|
|
//==============================================================================
|
|
File file;
|
|
void* fileHandle;
|
|
Result status;
|
|
std::int64_t currentPosition;
|
|
size_t bufferSize, bytesInBuffer;
|
|
HeapBlock <char> buffer;
|
|
|
|
void openHandle();
|
|
void closeHandle();
|
|
void flushInternal();
|
|
bool flushBuffer();
|
|
std::int64_t setPositionInternal (std::int64_t);
|
|
std::ptrdiff_t writeInternal (const void*, size_t);
|
|
};
|
|
|
|
} // beast
|
|
|
|
#endif |