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Diffstat (limited to 'lib/common/FileStream.h')
| -rw-r--r-- | lib/common/FileStream.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/lib/common/FileStream.h b/lib/common/FileStream.h new file mode 100644 index 00000000..0335f691 --- /dev/null +++ b/lib/common/FileStream.h @@ -0,0 +1,107 @@ +// distribution boxbackup-0.10 (svn version: 494) +// +// Copyright (c) 2003 - 2006 +// Ben Summers and contributors. All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions +// are met: +// 1. Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// 3. All use of this software and associated advertising materials must +// display the following acknowledgment: +// This product includes software developed by Ben Summers. +// 4. The names of the Authors may not be used to endorse or promote +// products derived from this software without specific prior written +// permission. +// +// [Where legally impermissible the Authors do not disclaim liability for +// direct physical injury or death caused solely by defects in the software +// unless it is modified by a third party.] +// +// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR +// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +// DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, +// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +// POSSIBILITY OF SUCH DAMAGE. +// +// +// +// -------------------------------------------------------------------------- +// +// File +// Name: FileStream.h +// Purpose: FileStream interface to files +// Created: 2003/07/31 +// +// -------------------------------------------------------------------------- + +#ifndef FILESTREAM__H +#define FILESTREAM__H + +#include "IOStream.h" + +#include <fcntl.h> +#include <stdlib.h> +#include <sys/stat.h> + +#ifdef HAVE_UNISTD_H + #include <unistd.h> +#endif + +#ifdef WIN32 + #define INVALID_FILE NULL + typedef HANDLE tOSFileHandle; +#else + #define INVALID_FILE -1 + typedef int tOSFileHandle; +#endif + +class FileStream : public IOStream +{ +public: + FileStream(const char *Filename, +#ifdef WIN32 + int flags = (O_RDONLY | O_BINARY), +#else + int flags = O_RDONLY, +#endif + int mode = (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)); + FileStream(tOSFileHandle FileDescriptor); + + virtual ~FileStream(); + + virtual int Read(void *pBuffer, int NBytes, int Timeout = IOStream::TimeOutInfinite); + virtual pos_type BytesLeftToRead(); + virtual void Write(const void *pBuffer, int NBytes); + virtual pos_type GetPosition() const; + virtual void Seek(IOStream::pos_type Offset, int SeekType); + virtual void Close(); + + virtual bool StreamDataLeft(); + virtual bool StreamClosed(); + +private: + tOSFileHandle mOSFileHandle; + bool mIsEOF; + FileStream(const FileStream &rToCopy) { /* do not call */ } + +#ifdef WIN32 + // for debugging.. + std::string fileName; +#endif +}; + + +#endif // FILESTREAM__H + + |