/** * Copyright (c) 2011-2022 Bill Greiman * This file is part of the SdFat library for SD memory cards. * * MIT License * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #include "FsLib.h" //------------------------------------------------------------------------------ FsBaseFile::FsBaseFile(const FsBaseFile& from) { m_fFile = nullptr; m_xFile = nullptr; if (from.m_fFile) { m_fFile = new (m_fileMem) FatFile; *m_fFile = *from.m_fFile; } else if (from.m_xFile) { m_xFile = new (m_fileMem) ExFatFile; *m_xFile = *from.m_xFile; } } //------------------------------------------------------------------------------ FsBaseFile& FsBaseFile::operator=(const FsBaseFile& from) { if (this == &from) { return *this; } close(); if (from.m_fFile) { m_fFile = new (m_fileMem) FatFile; *m_fFile = *from.m_fFile; } else if (from.m_xFile) { m_xFile = new (m_fileMem) ExFatFile; *m_xFile = *from.m_xFile; } return *this; } //------------------------------------------------------------------------------ bool FsBaseFile::close() { bool rtn = m_fFile ? m_fFile->close() : m_xFile ? m_xFile->close() : true; m_fFile = nullptr; m_xFile = nullptr; return rtn; } //------------------------------------------------------------------------------ bool FsBaseFile::mkdir(FsBaseFile* dir, const char* path, bool pFlag) { close(); if (dir->m_fFile) { m_fFile = new (m_fileMem) FatFile; if (m_fFile->mkdir(dir->m_fFile, path, pFlag)) { return true; } m_fFile = nullptr; } else if (dir->m_xFile) { m_xFile = new (m_fileMem) ExFatFile; if (m_xFile->mkdir(dir->m_xFile, path, pFlag)) { return true; } m_xFile = nullptr; } return false; } //------------------------------------------------------------------------------ bool FsBaseFile::open(FsVolume* vol, const char* path, oflag_t oflag) { if (!vol) { return false; } close(); if (vol->m_fVol) { m_fFile = new (m_fileMem) FatFile; if (m_fFile && m_fFile->open(vol->m_fVol, path, oflag)) { return true; } m_fFile = nullptr; } else if (vol->m_xVol) { m_xFile = new (m_fileMem) ExFatFile; if (m_xFile && m_xFile->open(vol->m_xVol, path, oflag)) { return true; } m_xFile = nullptr; } return false; } //------------------------------------------------------------------------------ bool FsBaseFile::open(FsBaseFile* dir, const char* path, oflag_t oflag) { close(); if (dir->m_fFile) { m_fFile = new (m_fileMem) FatFile; if (m_fFile->open(dir->m_fFile, path, oflag)) { return true; } m_fFile = nullptr; } else if (dir->m_xFile) { m_xFile = new (m_fileMem) ExFatFile; if (m_xFile->open(dir->m_xFile, path, oflag)) { return true; } m_xFile = nullptr; } return false; } //------------------------------------------------------------------------------ bool FsBaseFile::open(FsBaseFile* dir, uint32_t index, oflag_t oflag) { close(); if (dir->m_fFile) { m_fFile = new (m_fileMem) FatFile; if (m_fFile->open(dir->m_fFile, index, oflag)) { return true; } m_fFile = nullptr; } else if (dir->m_xFile) { m_xFile = new (m_fileMem) ExFatFile; if (m_xFile->open(dir->m_xFile, index, oflag)) { return true; } m_xFile = nullptr; } return false; } //------------------------------------------------------------------------------ bool FsBaseFile::openCwd() { close(); if (FsVolume::m_cwv && FsVolume::m_cwv->m_fVol) { m_fFile = new (m_fileMem) FatFile; if (m_fFile->openCwd()) { return true; } m_fFile = nullptr; } else if (FsVolume::m_cwv && FsVolume::m_cwv->m_xVol) { m_xFile = new (m_fileMem) ExFatFile; if (m_xFile->openCwd()) { return true; } m_xFile = nullptr; } return false; } //------------------------------------------------------------------------------ bool FsBaseFile::openNext(FsBaseFile* dir, oflag_t oflag) { close(); if (dir->m_fFile) { m_fFile = new (m_fileMem) FatFile; if (m_fFile->openNext(dir->m_fFile, oflag)) { return true; } m_fFile = nullptr; } else if (dir->m_xFile) { m_xFile = new (m_fileMem) ExFatFile; if (m_xFile->openNext(dir->m_xFile, oflag)) { return true; } m_xFile = nullptr; } return false; } //------------------------------------------------------------------------------ bool FsBaseFile::openRoot(FsVolume* vol) { if (!vol) { return false; } close(); if (vol->m_fVol) { m_fFile = new (m_fileMem) FatFile; if (m_fFile && m_fFile->openRoot(vol->m_fVol)) { return true; } m_fFile = nullptr; } else if (vol->m_xVol) { m_xFile = new (m_fileMem) ExFatFile; if (m_xFile && m_xFile->openRoot(vol->m_xVol)) { return true; } m_xFile = nullptr; } return false; } //------------------------------------------------------------------------------ bool FsBaseFile::remove() { if (m_fFile) { if (m_fFile->remove()) { m_fFile = nullptr; return true; } } else if (m_xFile) { if (m_xFile->remove()) { m_xFile = nullptr; return true; } } return false; } //------------------------------------------------------------------------------ bool FsBaseFile::rmdir() { if (m_fFile) { if (m_fFile->rmdir()) { m_fFile = nullptr; return true; } } else if (m_xFile) { if (m_xFile->rmdir()) { m_xFile = nullptr; return true; } } return false; }