/* * Copyright (C) 2016 Apple Inc. 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. Neither the name of Apple Inc. ("Apple") nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 APPLE OR ITS CONTRIBUTORS 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. */ #pragma once #include "FileSystem.h" #include <wtf/Assertions.h> namespace WebCore { class WEBCORE_EXPORT FileHandle final { public: FileHandle() = default; FileHandle(const String& path, FileSystem::FileOpenMode); FileHandle(const String& path, FileSystem::FileOpenMode, OptionSet<FileSystem::FileLockMode>); FileHandle(const FileHandle& other) = delete; FileHandle(FileHandle&& other); ~FileHandle(); FileHandle& operator=(const FileHandle& other) = delete; FileHandle& operator=(FileHandle&& other); explicit operator bool() const; bool open(const String& path, FileSystem::FileOpenMode); bool open(); int read(void* data, int length); int write(const void* data, int length); bool printf(const char* format, ...) WTF_ATTRIBUTE_PRINTF(2, 3); void close(); private: String m_path; FileSystem::FileOpenMode m_mode { FileSystem::FileOpenMode::Read }; FileSystem::PlatformFileHandle m_fileHandle { FileSystem::invalidPlatformFileHandle }; OptionSet<FileSystem::FileLockMode> m_lockMode; bool m_shouldLock { false }; }; } // namespace WebCore