117 lines
2.2 KiB
C++
117 lines
2.2 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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// Copyright The Music Player Daemon Project
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#pragma once
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#include "Path.hxx"
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#ifdef _WIN32
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#include "time/FileTime.hxx"
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#else
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#include <sys/stat.h>
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#endif
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#include <chrono>
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#include <cstdint>
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class FileDescriptor;
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class FileInfo {
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friend bool GetFileInfo(Path path, FileInfo &info,
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bool follow_symlinks) noexcept;
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#ifdef _WIN32
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friend bool GetFileInfoByHandle(HANDLE handle, FileInfo &info) noexcept;
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#endif
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#ifdef _WIN32
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WIN32_FILE_ATTRIBUTE_DATA data;
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#else
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struct stat st;
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#endif
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public:
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constexpr FileInfo() noexcept = default;
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explicit FileInfo(Path path, bool follow_symlinks=true);
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#ifdef _WIN32
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explicit FileInfo(HANDLE handle);
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#else
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explicit FileInfo(FileDescriptor fd);
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#endif
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constexpr bool IsRegular() const noexcept {
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#ifdef _WIN32
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return (data.dwFileAttributes &
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(FILE_ATTRIBUTE_DIRECTORY|FILE_ATTRIBUTE_DEVICE)) == 0;
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#else
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return S_ISREG(st.st_mode);
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#endif
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}
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constexpr bool IsDirectory() const noexcept {
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#ifdef _WIN32
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return data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
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#else
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return S_ISDIR(st.st_mode);
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#endif
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}
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constexpr uint_least64_t GetSize() const noexcept {
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#ifdef _WIN32
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return ConstructUint64(data.nFileSizeLow, data.nFileSizeHigh);
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#else
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return st.st_size;
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#endif
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}
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[[gnu::pure]]
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std::chrono::system_clock::time_point GetModificationTime() const noexcept {
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#ifdef _WIN32
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return FileTimeToChrono(data.ftLastWriteTime);
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#else
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return std::chrono::system_clock::from_time_t(st.st_mtime);
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#endif
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}
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#ifndef _WIN32
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constexpr uid_t GetUid() const noexcept {
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return st.st_uid;
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}
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constexpr mode_t GetMode() const noexcept {
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return st.st_mode;
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}
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constexpr dev_t GetDevice() const noexcept {
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return st.st_dev;
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}
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constexpr ino_t GetInode() const noexcept {
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return st.st_ino;
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}
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#endif
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};
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inline bool
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GetFileInfo(Path path, FileInfo &info, bool follow_symlinks=true) noexcept
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{
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#ifdef _WIN32
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(void)follow_symlinks;
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return GetFileAttributesEx(path.c_str(), GetFileExInfoStandard,
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&info.data);
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#else
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int ret = follow_symlinks
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? stat(path.c_str(), &info.st)
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: lstat(path.c_str(), &info.st);
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return ret == 0;
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#endif
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}
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#ifdef _WIN32
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bool
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GetFileInfoByHandle(HANDLE handle, FileInfo &info) noexcept;
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#endif
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