Itms
cc67d54aeb
Patch By: Stan Reviewed By: Itms, vladislavbelov Differential Revision: https://code.wildfiregames.com/D1262 This was SVN commit r21480.
102 lines
2.4 KiB
C++
102 lines
2.4 KiB
C++
/* Copyright (C) 2018 Wildfire Games.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* simple POSIX file wrapper.
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*/
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#ifndef INCLUDED_FILE
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#define INCLUDED_FILE
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#include "lib/os_path.h"
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#include "lib/sysdep/filesystem.h" // O_*, S_*
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namespace ERR
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{
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const Status FILE_ACCESS = -110300;
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const Status FILE_NOT_FOUND = -110301;
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}
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// @param oflag: either O_RDONLY or O_WRONLY (in which case O_CREAT and
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// O_TRUNC are added), plus O_DIRECT if aio is desired
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// @return file descriptor or a negative Status
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LIB_API Status FileOpen(const OsPath& pathname, int oflag);
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LIB_API void FileClose(int& fd);
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class File
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{
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public:
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File()
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: m_PathName(), m_FileDescriptor(-1)
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{
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}
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File(const OsPath& pathname, int oflag)
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{
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THROW_STATUS_IF_ERR(Open(pathname, oflag));
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}
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~File()
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{
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Close();
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}
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Status Open(const OsPath& pathName, int openFlag)
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{
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Status ret = FileOpen(pathName, openFlag);
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RETURN_STATUS_IF_ERR(ret);
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m_PathName = pathName;
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m_FileDescriptor = static_cast<int>(ret);
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m_OpenFlag = openFlag;
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return INFO::OK;
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}
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void Close()
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{
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FileClose(m_FileDescriptor);
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}
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const OsPath& Pathname() const
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{
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return m_PathName;
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}
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int Descriptor() const
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{
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return m_FileDescriptor;
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}
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int Flags() const
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{
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return m_OpenFlag;
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}
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private:
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OsPath m_PathName;
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int m_FileDescriptor;
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int m_OpenFlag;
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};
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typedef shared_ptr<File> PFile;
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#endif // #ifndef INCLUDED_FILE
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