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63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
/*
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Derived from source code of TrueCrypt 7.1a, which is
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Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed
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by the TrueCrypt License 3.0.
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Modifications and additions to the original source code (contained in this file)
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and all other portions of this file are Copyright (c) 2013-2015 IDRIX
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and are governed by the Apache License 2.0 the full text of which is
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contained in the file License.txt included in VeraCrypt binary and source
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code distribution packages.
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*/
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#ifndef TC_HEADER_Platform_FileStream
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#define TC_HEADER_Platform_FileStream
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#include "PlatformBase.h"
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#include "File.h"
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#include "SharedPtr.h"
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#include "Stream.h"
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namespace VeraCrypt
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{
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class FileStream : public Stream
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{
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public:
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FileStream (shared_ptr <File> file) : DataFile (file) { }
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FileStream (File::SystemFileHandleType openFileHandle) { DataFile.reset (new File ()); DataFile->AssignSystemHandle (openFileHandle); }
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virtual ~FileStream () { }
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virtual uint64 Read (const BufferPtr &buffer)
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{
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return DataFile->Read (buffer);
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}
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virtual void ReadCompleteBuffer (const BufferPtr &buffer)
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{
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DataFile->ReadCompleteBuffer (buffer);
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}
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virtual string ReadToEnd ()
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{
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string str;
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vector <char> buffer (4096);
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uint64 len;
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while ((len = DataFile->Read (BufferPtr (reinterpret_cast <byte *> (&buffer[0]), buffer.size()))) > 0)
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str.insert (str.end(), buffer.begin(), buffer.begin() + static_cast <int> (len));
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return str;
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}
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virtual void Write (const ConstBufferPtr &data)
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{
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DataFile->Write (data);
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}
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protected:
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shared_ptr <File> DataFile;
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};
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}
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#endif // TC_HEADER_Platform_FileStream
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