Remove android.hardware.automotive@libc++fs.
It's no longer used (now libc++fs is part of libc++), and it's
dangerously opting out of the global cpp_std default.
Bug: http://b/344590580
Change-Id: I17648b573600ff2ee1ab45383c7fda7d5bcfc7a2
diff --git a/automotive/can/1.0/default/libc++fs/.clang-format b/automotive/can/1.0/default/libc++fs/.clang-format
deleted file mode 100644
index dd59681..0000000
--- a/automotive/can/1.0/default/libc++fs/.clang-format
+++ /dev/null
@@ -1,13 +0,0 @@
-BasedOnStyle: LLVM
-
----
-Language: Cpp
-Standard: Cpp03
-
-AlwaysBreakTemplateDeclarations: true
-PointerAlignment: Left
-
-# Disable formatting options which may break tests.
-SortIncludes: false
-ReflowComments: false
----
diff --git a/automotive/can/1.0/default/libc++fs/Android.bp b/automotive/can/1.0/default/libc++fs/Android.bp
deleted file mode 100644
index 0641991..0000000
--- a/automotive/can/1.0/default/libc++fs/Android.bp
+++ /dev/null
@@ -1,70 +0,0 @@
-//
-// Copyright (C) 2020 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-// TODO(152067309): Stop building this yourself once it's ABI stable and has
-// been made vendor available. Just use libc++fs instead of this.
-
-package {
- // See: http://go/android-license-faq
- // A large-scale-change added 'default_applicable_licenses' to import
- // all of the 'license_kinds' from "hardware_interfaces_license"
- // to get the below license kinds:
- // SPDX-license-identifier-NCSA
- default_applicable_licenses: ["hardware_interfaces_license"],
-}
-
-cc_defaults {
- name: "android.hardware.automotive@libc++fsdefaults",
- local_include_dirs: ["include"],
- export_include_dirs: ["include"],
- cflags: [
- "-Wall",
- "-Werror",
- "-Wno-unused-parameter",
- ],
- cppflags: [
- "-std=c++17",
- "-fexceptions",
- "-DLIBCXX_BUILDING_LIBCXXABI",
- "-D_LIBCPP_BUILDING_LIBRARY",
- ],
- rtti: true,
-}
-
-cc_library_static {
- name: "android.hardware.automotive@libc++fs",
- recovery_available: true,
- vendor: true,
- defaults: ["android.hardware.automotive@libc++fsdefaults"],
- srcs: [
- "src/filesystem/directory_iterator.cpp",
- "src/filesystem/operations.cpp",
- ],
- multilib: {
- lib32: {
- // off_t usage is constrained to within the libc++ source (not the
- // headers), so we can build the filesystem library with a 64-bit
- // off_t on LP32 to get large file support without needing all users
- // of the library to match.
- cflags: ["-D_FILE_OFFSET_BITS=64"],
- },
- },
- target: {
- windows: {
- enabled: false,
- },
- },
-}
diff --git a/automotive/can/1.0/default/libc++fs/include/automotive/filesystem b/automotive/can/1.0/default/libc++fs/include/automotive/filesystem
deleted file mode 100644
index bd3dda5..0000000
--- a/automotive/can/1.0/default/libc++fs/include/automotive/filesystem
+++ /dev/null
@@ -1,2713 +0,0 @@
-// -*- C++ -*-
-//===--------------------------- filesystem -------------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-#ifndef _LIBAUTO_FILESYSTEM
-#define _LIBAUTO_FILESYSTEM
-
-// TODO(152067309): Remove this once the libc++ upgrade is complete.
-#include <__config>
-#if defined(_LIBCPP_VERSION) && _LIBCPP_VERSION > 8000
-
-#include <filesystem>
-namespace android::hardware::automotive {
-namespace filesystem = std::filesystem;
-}
-
-#else
-
-/*
- filesystem synopsis
-
- namespace android::hardware::automotive { namespace filesystem {
-
- class path;
-
- void swap(path& lhs, path& rhs) noexcept;
- size_t hash_value(const path& p) noexcept;
-
- bool operator==(const path& lhs, const path& rhs) noexcept;
- bool operator!=(const path& lhs, const path& rhs) noexcept;
- bool operator< (const path& lhs, const path& rhs) noexcept;
- bool operator<=(const path& lhs, const path& rhs) noexcept;
- bool operator> (const path& lhs, const path& rhs) noexcept;
- bool operator>=(const path& lhs, const path& rhs) noexcept;
-
- path operator/ (const path& lhs, const path& rhs);
-
- // fs.path.io operators are friends of path.
- template <class charT, class traits>
- friend basic_ostream<charT, traits>&
- operator<<(basic_ostream<charT, traits>& os, const path& p);
-
- template <class charT, class traits>
- friend basic_istream<charT, traits>&
- operator>>(basic_istream<charT, traits>& is, path& p);
-
- template <class Source>
- path u8path(const Source& source);
- template <class InputIterator>
- path u8path(InputIterator first, InputIterator last);
-
- class filesystem_error;
- class directory_entry;
-
- class directory_iterator;
-
- // enable directory_iterator range-based for statements
- directory_iterator begin(directory_iterator iter) noexcept;
- directory_iterator end(const directory_iterator&) noexcept;
-
- class recursive_directory_iterator;
-
- // enable recursive_directory_iterator range-based for statements
- recursive_directory_iterator begin(recursive_directory_iterator iter) noexcept;
- recursive_directory_iterator end(const recursive_directory_iterator&) noexcept;
-
- class file_status;
-
- struct space_info
- {
- uintmax_t capacity;
- uintmax_t free;
- uintmax_t available;
- };
-
- enum class file_type;
- enum class perms;
- enum class perm_options;
- enum class copy_options;
- enum class directory_options;
-
- typedef chrono::time_point<trivial-clock> file_time_type;
-
- // operational functions
-
- path absolute(const path& p);
- path absolute(const path& p, error_code &ec);
-
- path canonical(const path& p);
- path canonical(const path& p, error_code& ec);
-
- void copy(const path& from, const path& to);
- void copy(const path& from, const path& to, error_code& ec);
- void copy(const path& from, const path& to, copy_options options);
- void copy(const path& from, const path& to, copy_options options,
- error_code& ec);
-
- bool copy_file(const path& from, const path& to);
- bool copy_file(const path& from, const path& to, error_code& ec);
- bool copy_file(const path& from, const path& to, copy_options option);
- bool copy_file(const path& from, const path& to, copy_options option,
- error_code& ec);
-
- void copy_symlink(const path& existing_symlink, const path& new_symlink);
- void copy_symlink(const path& existing_symlink, const path& new_symlink,
- error_code& ec) noexcept;
-
- bool create_directories(const path& p);
- bool create_directories(const path& p, error_code& ec);
-
- bool create_directory(const path& p);
- bool create_directory(const path& p, error_code& ec) noexcept;
-
- bool create_directory(const path& p, const path& attributes);
- bool create_directory(const path& p, const path& attributes,
- error_code& ec) noexcept;
-
- void create_directory_symlink(const path& to, const path& new_symlink);
- void create_directory_symlink(const path& to, const path& new_symlink,
- error_code& ec) noexcept;
-
- void create_hard_link(const path& to, const path& new_hard_link);
- void create_hard_link(const path& to, const path& new_hard_link,
- error_code& ec) noexcept;
-
- void create_symlink(const path& to, const path& new_symlink);
- void create_symlink(const path& to, const path& new_symlink,
- error_code& ec) noexcept;
-
- path current_path();
- path current_path(error_code& ec);
- void current_path(const path& p);
- void current_path(const path& p, error_code& ec) noexcept;
-
- bool exists(file_status s) noexcept;
- bool exists(const path& p);
- bool exists(const path& p, error_code& ec) noexcept;
-
- bool equivalent(const path& p1, const path& p2);
- bool equivalent(const path& p1, const path& p2, error_code& ec) noexcept;
-
- uintmax_t file_size(const path& p);
- uintmax_t file_size(const path& p, error_code& ec) noexcept;
-
- uintmax_t hard_link_count(const path& p);
- uintmax_t hard_link_count(const path& p, error_code& ec) noexcept;
-
- bool is_block_file(file_status s) noexcept;
- bool is_block_file(const path& p);
- bool is_block_file(const path& p, error_code& ec) noexcept;
-
- bool is_character_file(file_status s) noexcept;
- bool is_character_file(const path& p);
- bool is_character_file(const path& p, error_code& ec) noexcept;
-
- bool is_directory(file_status s) noexcept;
- bool is_directory(const path& p);
- bool is_directory(const path& p, error_code& ec) noexcept;
-
- bool is_empty(const path& p);
- bool is_empty(const path& p, error_code& ec) noexcept;
-
- bool is_fifo(file_status s) noexcept;
- bool is_fifo(const path& p);
- bool is_fifo(const path& p, error_code& ec) noexcept;
-
- bool is_other(file_status s) noexcept;
- bool is_other(const path& p);
- bool is_other(const path& p, error_code& ec) noexcept;
-
- bool is_regular_file(file_status s) noexcept;
- bool is_regular_file(const path& p);
- bool is_regular_file(const path& p, error_code& ec) noexcept;
-
- bool is_socket(file_status s) noexcept;
- bool is_socket(const path& p);
- bool is_socket(const path& p, error_code& ec) noexcept;
-
- bool is_symlink(file_status s) noexcept;
- bool is_symlink(const path& p);
- bool is_symlink(const path& p, error_code& ec) noexcept;
-
- file_time_type last_write_time(const path& p);
- file_time_type last_write_time(const path& p, error_code& ec) noexcept;
- void last_write_time(const path& p, file_time_type new_time);
- void last_write_time(const path& p, file_time_type new_time,
- error_code& ec) noexcept;
-
- void permissions(const path& p, perms prms,
- perm_options opts=perm_options::replace);
- void permissions(const path& p, perms prms, error_code& ec) noexcept;
- void permissions(const path& p, perms prms, perm_options opts,
- error_code& ec);
-
- path proximate(const path& p, error_code& ec);
- path proximate(const path& p, const path& base = current_path());
- path proximate(const path& p, const path& base, error_code &ec);
-
- path read_symlink(const path& p);
- path read_symlink(const path& p, error_code& ec);
-
- path relative(const path& p, error_code& ec);
- path relative(const path& p, const path& base=current_path());
- path relative(const path& p, const path& base, error_code& ec);
-
- bool remove(const path& p);
- bool remove(const path& p, error_code& ec) noexcept;
-
- uintmax_t remove_all(const path& p);
- uintmax_t remove_all(const path& p, error_code& ec);
-
- void rename(const path& from, const path& to);
- void rename(const path& from, const path& to, error_code& ec) noexcept;
-
- void resize_file(const path& p, uintmax_t size);
- void resize_file(const path& p, uintmax_t size, error_code& ec) noexcept;
-
- space_info space(const path& p);
- space_info space(const path& p, error_code& ec) noexcept;
-
- file_status status(const path& p);
- file_status status(const path& p, error_code& ec) noexcept;
-
- bool status_known(file_status s) noexcept;
-
- file_status symlink_status(const path& p);
- file_status symlink_status(const path& p, error_code& ec) noexcept;
-
- path temp_directory_path();
- path temp_directory_path(error_code& ec);
-
- path weakly_canonical(path const& p);
- path weakly_canonical(path const& p, error_code& ec);
-
-
-} } // namespace android::hardware::automotive::filesystem
-
-*/
-
-#include <__config>
-#include <cstddef>
-#include <cstdlib>
-#include <chrono>
-#include <iterator>
-#include <iosfwd>
-#include <locale>
-#include <memory>
-#include <stack>
-#include <string>
-#include <system_error>
-#include <utility>
-#include <iomanip> // for quoted
-#include <string_view>
-#include <version>
-
-#include <__debug>
-
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
-#endif
-
-_LIBCPP_PUSH_MACROS
-#include <__undef_macros>
-
-#ifndef _LIBCPP_CXX03_LANG
-
-namespace android::hardware::automotive::filesystem {
-using namespace std;
-using namespace std::chrono;
-
-using std::basic_string;
-using std::enable_if;
-using std::error_code;
-using std::false_type;
-
-#ifndef _VSTD
-#define _LIBAUTO_UNDEF_VSTD
-#define _VSTD std
-#endif
-
-#ifdef _VSTD_FS
-#pragma push_macro("_VSTD_FS")
-#else
-#define _LIBAUTO_UNDEF_VSTD_FS
-#endif
-#define _VSTD_FS android::hardware::automotive::filesystem
-
-/* Begin copy of _FilesystemClock from include/chrono */
-struct _FilesystemClock {
-#if !defined(_LIBCPP_HAS_NO_INT128)
- typedef __int128_t rep;
- typedef nano period;
-#else
- typedef long long rep;
- typedef nano period;
-#endif
-
- typedef chrono::duration<rep, period> duration;
- typedef chrono::time_point<_FilesystemClock> time_point;
-
- static _LIBCPP_CONSTEXPR_AFTER_CXX11 const bool is_steady = false;
-
- _LIBCPP_FUNC_VIS static time_point now() noexcept;
-
- _LIBCPP_INLINE_VISIBILITY
- static time_t to_time_t(const time_point& __t) noexcept {
- typedef chrono::duration<rep> __secs;
- return time_t(
- chrono::duration_cast<__secs>(__t.time_since_epoch()).count());
- }
-
- _LIBCPP_INLINE_VISIBILITY
- static time_point from_time_t(time_t __t) noexcept {
- typedef chrono::duration<rep> __secs;
- return time_point(__secs(__t));
- }
-};
-/* End copy of _FilesystemClock from include/chrono */
-
-typedef chrono::time_point<_FilesystemClock> file_time_type;
-
-struct _LIBCPP_TYPE_VIS space_info {
- uintmax_t capacity;
- uintmax_t free;
- uintmax_t available;
-};
-
-enum class _LIBCPP_ENUM_VIS file_type : signed char {
- none = 0,
- not_found = -1,
- regular = 1,
- directory = 2,
- symlink = 3,
- block = 4,
- character = 5,
- fifo = 6,
- socket = 7,
- unknown = 8
-};
-
-enum class _LIBCPP_ENUM_VIS perms : unsigned {
- none = 0,
-
- owner_read = 0400,
- owner_write = 0200,
- owner_exec = 0100,
- owner_all = 0700,
-
- group_read = 040,
- group_write = 020,
- group_exec = 010,
- group_all = 070,
-
- others_read = 04,
- others_write = 02,
- others_exec = 01,
- others_all = 07,
-
- all = 0777,
-
- set_uid = 04000,
- set_gid = 02000,
- sticky_bit = 01000,
- mask = 07777,
- unknown = 0xFFFF,
-};
-
-_LIBCPP_INLINE_VISIBILITY
-inline constexpr perms operator&(perms _LHS, perms _RHS) {
- return static_cast<perms>(static_cast<unsigned>(_LHS) &
- static_cast<unsigned>(_RHS));
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline constexpr perms operator|(perms _LHS, perms _RHS) {
- return static_cast<perms>(static_cast<unsigned>(_LHS) |
- static_cast<unsigned>(_RHS));
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline constexpr perms operator^(perms _LHS, perms _RHS) {
- return static_cast<perms>(static_cast<unsigned>(_LHS) ^
- static_cast<unsigned>(_RHS));
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline constexpr perms operator~(perms _LHS) {
- return static_cast<perms>(~static_cast<unsigned>(_LHS));
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline perms& operator&=(perms& _LHS, perms _RHS) { return _LHS = _LHS & _RHS; }
-
-_LIBCPP_INLINE_VISIBILITY
-inline perms& operator|=(perms& _LHS, perms _RHS) { return _LHS = _LHS | _RHS; }
-
-_LIBCPP_INLINE_VISIBILITY
-inline perms& operator^=(perms& _LHS, perms _RHS) { return _LHS = _LHS ^ _RHS; }
-
-enum class _LIBCPP_ENUM_VIS perm_options : unsigned char {
- replace = 1,
- add = 2,
- remove = 4,
- nofollow = 8
-};
-
-_LIBCPP_INLINE_VISIBILITY
-inline constexpr perm_options operator&(perm_options _LHS, perm_options _RHS) {
- return static_cast<perm_options>(static_cast<unsigned>(_LHS) &
- static_cast<unsigned>(_RHS));
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline constexpr perm_options operator|(perm_options _LHS, perm_options _RHS) {
- return static_cast<perm_options>(static_cast<unsigned>(_LHS) |
- static_cast<unsigned>(_RHS));
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline constexpr perm_options operator^(perm_options _LHS, perm_options _RHS) {
- return static_cast<perm_options>(static_cast<unsigned>(_LHS) ^
- static_cast<unsigned>(_RHS));
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline constexpr perm_options operator~(perm_options _LHS) {
- return static_cast<perm_options>(~static_cast<unsigned>(_LHS));
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline perm_options& operator&=(perm_options& _LHS, perm_options _RHS) {
- return _LHS = _LHS & _RHS;
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline perm_options& operator|=(perm_options& _LHS, perm_options _RHS) {
- return _LHS = _LHS | _RHS;
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline perm_options& operator^=(perm_options& _LHS, perm_options _RHS) {
- return _LHS = _LHS ^ _RHS;
-}
-
-enum class _LIBCPP_ENUM_VIS copy_options : unsigned short {
- none = 0,
- skip_existing = 1,
- overwrite_existing = 2,
- update_existing = 4,
- recursive = 8,
- copy_symlinks = 16,
- skip_symlinks = 32,
- directories_only = 64,
- create_symlinks = 128,
- create_hard_links = 256,
- __in_recursive_copy = 512,
-};
-
-_LIBCPP_INLINE_VISIBILITY
-inline constexpr copy_options operator&(copy_options _LHS, copy_options _RHS) {
- return static_cast<copy_options>(static_cast<unsigned short>(_LHS) &
- static_cast<unsigned short>(_RHS));
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline constexpr copy_options operator|(copy_options _LHS, copy_options _RHS) {
- return static_cast<copy_options>(static_cast<unsigned short>(_LHS) |
- static_cast<unsigned short>(_RHS));
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline constexpr copy_options operator^(copy_options _LHS, copy_options _RHS) {
- return static_cast<copy_options>(static_cast<unsigned short>(_LHS) ^
- static_cast<unsigned short>(_RHS));
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline constexpr copy_options operator~(copy_options _LHS) {
- return static_cast<copy_options>(~static_cast<unsigned short>(_LHS));
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline copy_options& operator&=(copy_options& _LHS, copy_options _RHS) {
- return _LHS = _LHS & _RHS;
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline copy_options& operator|=(copy_options& _LHS, copy_options _RHS) {
- return _LHS = _LHS | _RHS;
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline copy_options& operator^=(copy_options& _LHS, copy_options _RHS) {
- return _LHS = _LHS ^ _RHS;
-}
-
-enum class _LIBCPP_ENUM_VIS directory_options : unsigned char {
- none = 0,
- follow_directory_symlink = 1,
- skip_permission_denied = 2
-};
-
-_LIBCPP_INLINE_VISIBILITY
-inline constexpr directory_options operator&(directory_options _LHS,
- directory_options _RHS) {
- return static_cast<directory_options>(static_cast<unsigned char>(_LHS) &
- static_cast<unsigned char>(_RHS));
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline constexpr directory_options operator|(directory_options _LHS,
- directory_options _RHS) {
- return static_cast<directory_options>(static_cast<unsigned char>(_LHS) |
- static_cast<unsigned char>(_RHS));
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline constexpr directory_options operator^(directory_options _LHS,
- directory_options _RHS) {
- return static_cast<directory_options>(static_cast<unsigned char>(_LHS) ^
- static_cast<unsigned char>(_RHS));
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline constexpr directory_options operator~(directory_options _LHS) {
- return static_cast<directory_options>(~static_cast<unsigned char>(_LHS));
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline directory_options& operator&=(directory_options& _LHS,
- directory_options _RHS) {
- return _LHS = _LHS & _RHS;
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline directory_options& operator|=(directory_options& _LHS,
- directory_options _RHS) {
- return _LHS = _LHS | _RHS;
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline directory_options& operator^=(directory_options& _LHS,
- directory_options _RHS) {
- return _LHS = _LHS ^ _RHS;
-}
-
-class _LIBCPP_TYPE_VIS file_status {
-public:
- // constructors
- _LIBCPP_INLINE_VISIBILITY
- file_status() noexcept : file_status(file_type::none) {}
- _LIBCPP_INLINE_VISIBILITY
- explicit file_status(file_type __ft, perms __prms = perms::unknown) noexcept
- : __ft_(__ft),
- __prms_(__prms) {}
-
- file_status(const file_status&) noexcept = default;
- file_status(file_status&&) noexcept = default;
-
- _LIBCPP_INLINE_VISIBILITY
- ~file_status() {}
-
- file_status& operator=(const file_status&) noexcept = default;
- file_status& operator=(file_status&&) noexcept = default;
-
- // observers
- _LIBCPP_INLINE_VISIBILITY
- file_type type() const noexcept { return __ft_; }
-
- _LIBCPP_INLINE_VISIBILITY
- perms permissions() const noexcept { return __prms_; }
-
- // modifiers
- _LIBCPP_INLINE_VISIBILITY
- void type(file_type __ft) noexcept { __ft_ = __ft; }
-
- _LIBCPP_INLINE_VISIBILITY
- void permissions(perms __p) noexcept { __prms_ = __p; }
-
-private:
- file_type __ft_;
- perms __prms_;
-};
-
-class _LIBCPP_TYPE_VIS directory_entry;
-
-template <class _Tp>
-struct __can_convert_char {
- static const bool value = false;
-};
-template <class _Tp>
-struct __can_convert_char<const _Tp> : public __can_convert_char<_Tp> {};
-template <>
-struct __can_convert_char<char> {
- static const bool value = true;
- using __char_type = char;
-};
-template <>
-struct __can_convert_char<wchar_t> {
- static const bool value = true;
- using __char_type = wchar_t;
-};
-template <>
-struct __can_convert_char<char16_t> {
- static const bool value = true;
- using __char_type = char16_t;
-};
-template <>
-struct __can_convert_char<char32_t> {
- static const bool value = true;
- using __char_type = char32_t;
-};
-
-template <class _ECharT>
-typename enable_if<__can_convert_char<_ECharT>::value, bool>::type
-__is_separator(_ECharT __e) {
- return __e == _ECharT('/');
-}
-
-struct _NullSentinal {};
-
-template <class _Tp>
-using _Void = void;
-
-template <class _Tp, class = void>
-struct __is_pathable_string : public false_type {};
-
-template <class _ECharT, class _Traits, class _Alloc>
-struct __is_pathable_string<
- basic_string<_ECharT, _Traits, _Alloc>,
- _Void<typename __can_convert_char<_ECharT>::__char_type> >
- : public __can_convert_char<_ECharT> {
- using _Str = basic_string<_ECharT, _Traits, _Alloc>;
- using _Base = __can_convert_char<_ECharT>;
- static _ECharT const* __range_begin(_Str const& __s) { return __s.data(); }
- static _ECharT const* __range_end(_Str const& __s) {
- return __s.data() + __s.length();
- }
- static _ECharT __first_or_null(_Str const& __s) {
- return __s.empty() ? _ECharT{} : __s[0];
- }
-};
-
-template <class _ECharT, class _Traits>
-struct __is_pathable_string<
- basic_string_view<_ECharT, _Traits>,
- _Void<typename __can_convert_char<_ECharT>::__char_type> >
- : public __can_convert_char<_ECharT> {
- using _Str = basic_string_view<_ECharT, _Traits>;
- using _Base = __can_convert_char<_ECharT>;
- static _ECharT const* __range_begin(_Str const& __s) { return __s.data(); }
- static _ECharT const* __range_end(_Str const& __s) {
- return __s.data() + __s.length();
- }
- static _ECharT __first_or_null(_Str const& __s) {
- return __s.empty() ? _ECharT{} : __s[0];
- }
-};
-
-template <class _Source, class _DS = typename decay<_Source>::type,
- class _UnqualPtrType =
- typename remove_const<typename remove_pointer<_DS>::type>::type,
- bool _IsCharPtr = is_pointer<_DS>::value&&
- __can_convert_char<_UnqualPtrType>::value>
-struct __is_pathable_char_array : false_type {};
-
-template <class _Source, class _ECharT, class _UPtr>
-struct __is_pathable_char_array<_Source, _ECharT*, _UPtr, true>
- : __can_convert_char<typename remove_const<_ECharT>::type> {
- using _Base = __can_convert_char<typename remove_const<_ECharT>::type>;
-
- static _ECharT const* __range_begin(const _ECharT* __b) { return __b; }
- static _ECharT const* __range_end(const _ECharT* __b) {
- using _Iter = const _ECharT*;
- const _ECharT __sentinal = _ECharT{};
- _Iter __e = __b;
- for (; *__e != __sentinal; ++__e)
- ;
- return __e;
- }
-
- static _ECharT __first_or_null(const _ECharT* __b) { return *__b; }
-};
-
-template <class _Iter, bool _IsIt = __is_input_iterator<_Iter>::value,
- class = void>
-struct __is_pathable_iter : false_type {};
-
-template <class _Iter>
-struct __is_pathable_iter<
- _Iter, true,
- _Void<typename __can_convert_char<
- typename iterator_traits<_Iter>::value_type>::__char_type> >
- : __can_convert_char<typename iterator_traits<_Iter>::value_type> {
- using _ECharT = typename iterator_traits<_Iter>::value_type;
- using _Base = __can_convert_char<_ECharT>;
-
- static _Iter __range_begin(_Iter __b) { return __b; }
- static _NullSentinal __range_end(_Iter) { return _NullSentinal{}; }
-
- static _ECharT __first_or_null(_Iter __b) { return *__b; }
-};
-
-template <class _Tp, bool _IsStringT = __is_pathable_string<_Tp>::value,
- bool _IsCharIterT = __is_pathable_char_array<_Tp>::value,
- bool _IsIterT = !_IsCharIterT && __is_pathable_iter<_Tp>::value>
-struct __is_pathable : false_type {
- static_assert(!_IsStringT && !_IsCharIterT && !_IsIterT, "Must all be false");
-};
-
-template <class _Tp>
-struct __is_pathable<_Tp, true, false, false> : __is_pathable_string<_Tp> {};
-
-template <class _Tp>
-struct __is_pathable<_Tp, false, true, false> : __is_pathable_char_array<_Tp> {
-};
-
-template <class _Tp>
-struct __is_pathable<_Tp, false, false, true> : __is_pathable_iter<_Tp> {};
-
-template <class _ECharT>
-struct _PathCVT {
- static_assert(__can_convert_char<_ECharT>::value,
- "Char type not convertible");
-
- typedef __narrow_to_utf8<sizeof(_ECharT) * __CHAR_BIT__> _Narrower;
-
- static void __append_range(string& __dest, _ECharT const* __b,
- _ECharT const* __e) {
- _Narrower()(back_inserter(__dest), __b, __e);
- }
-
- template <class _Iter>
- static void __append_range(string& __dest, _Iter __b, _Iter __e) {
- static_assert(!is_same<_Iter, _ECharT*>::value, "Call const overload");
- if (__b == __e)
- return;
- basic_string<_ECharT> __tmp(__b, __e);
- _Narrower()(back_inserter(__dest), __tmp.data(),
- __tmp.data() + __tmp.length());
- }
-
- template <class _Iter>
- static void __append_range(string& __dest, _Iter __b, _NullSentinal) {
- static_assert(!is_same<_Iter, _ECharT*>::value, "Call const overload");
- const _ECharT __sentinal = _ECharT{};
- if (*__b == __sentinal)
- return;
- basic_string<_ECharT> __tmp;
- for (; *__b != __sentinal; ++__b)
- __tmp.push_back(*__b);
- _Narrower()(back_inserter(__dest), __tmp.data(),
- __tmp.data() + __tmp.length());
- }
-
- template <class _Source>
- static void __append_source(string& __dest, _Source const& __s) {
- using _Traits = __is_pathable<_Source>;
- __append_range(__dest, _Traits::__range_begin(__s),
- _Traits::__range_end(__s));
- }
-};
-
-template <>
-struct _PathCVT<char> {
-
- template <class _Iter>
- static typename enable_if<__is_exactly_input_iterator<_Iter>::value>::type
- __append_range(string& __dest, _Iter __b, _Iter __e) {
- for (; __b != __e; ++__b)
- __dest.push_back(*__b);
- }
-
- template <class _Iter>
- static typename enable_if<__is_forward_iterator<_Iter>::value>::type
- __append_range(string& __dest, _Iter __b, _Iter __e) {
- __dest.__append_forward_unsafe(__b, __e);
- }
-
- template <class _Iter>
- static void __append_range(string& __dest, _Iter __b, _NullSentinal) {
- const char __sentinal = char{};
- for (; *__b != __sentinal; ++__b)
- __dest.push_back(*__b);
- }
-
- template <class _Source>
- static void __append_source(string& __dest, _Source const& __s) {
- using _Traits = __is_pathable<_Source>;
- __append_range(__dest, _Traits::__range_begin(__s),
- _Traits::__range_end(__s));
- }
-};
-
-class _LIBCPP_TYPE_VIS path {
- template <class _SourceOrIter, class _Tp = path&>
- using _EnableIfPathable =
- typename enable_if<__is_pathable<_SourceOrIter>::value, _Tp>::type;
-
- template <class _Tp>
- using _SourceChar = typename __is_pathable<_Tp>::__char_type;
-
- template <class _Tp>
- using _SourceCVT = _PathCVT<_SourceChar<_Tp> >;
-
-public:
- typedef char value_type;
- typedef basic_string<value_type> string_type;
- typedef _VSTD::string_view __string_view;
- static constexpr value_type preferred_separator = '/';
-
- enum class _LIBCPP_ENUM_VIS format : unsigned char {
- auto_format,
- native_format,
- generic_format
- };
-
- // constructors and destructor
- _LIBCPP_INLINE_VISIBILITY path() noexcept {}
- _LIBCPP_INLINE_VISIBILITY path(const path& __p) : __pn_(__p.__pn_) {}
- _LIBCPP_INLINE_VISIBILITY path(path&& __p) noexcept
- : __pn_(_VSTD::move(__p.__pn_)) {}
-
- _LIBCPP_INLINE_VISIBILITY
- path(string_type&& __s, format = format::auto_format) noexcept
- : __pn_(_VSTD::move(__s)) {}
-
- template <class _Source, class = _EnableIfPathable<_Source, void> >
- path(const _Source& __src, format = format::auto_format) {
- _SourceCVT<_Source>::__append_source(__pn_, __src);
- }
-
- template <class _InputIt>
- path(_InputIt __first, _InputIt __last, format = format::auto_format) {
- typedef typename iterator_traits<_InputIt>::value_type _ItVal;
- _PathCVT<_ItVal>::__append_range(__pn_, __first, __last);
- }
-
- // TODO Implement locale conversions.
- template <class _Source, class = _EnableIfPathable<_Source, void> >
- path(const _Source& __src, const locale& __loc, format = format::auto_format);
- template <class _InputIt>
- path(_InputIt __first, _InputIt _last, const locale& __loc,
- format = format::auto_format);
-
- _LIBCPP_INLINE_VISIBILITY
- ~path() = default;
-
- // assignments
- _LIBCPP_INLINE_VISIBILITY
- path& operator=(const path& __p) {
- __pn_ = __p.__pn_;
- return *this;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- path& operator=(path&& __p) noexcept {
- __pn_ = _VSTD::move(__p.__pn_);
- return *this;
- }
-
- template <class = void>
- _LIBCPP_INLINE_VISIBILITY path& operator=(string_type&& __s) noexcept {
- __pn_ = _VSTD::move(__s);
- return *this;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- path& assign(string_type&& __s) noexcept {
- __pn_ = _VSTD::move(__s);
- return *this;
- }
-
- template <class _Source>
- _LIBCPP_INLINE_VISIBILITY _EnableIfPathable<_Source>
- operator=(const _Source& __src) {
- return this->assign(__src);
- }
-
- template <class _Source>
- _EnableIfPathable<_Source> assign(const _Source& __src) {
- __pn_.clear();
- _SourceCVT<_Source>::__append_source(__pn_, __src);
- return *this;
- }
-
- template <class _InputIt>
- path& assign(_InputIt __first, _InputIt __last) {
- typedef typename iterator_traits<_InputIt>::value_type _ItVal;
- __pn_.clear();
- _PathCVT<_ItVal>::__append_range(__pn_, __first, __last);
- return *this;
- }
-
-private:
- template <class _ECharT>
- static bool __source_is_absolute(_ECharT __first_or_null) {
- return __is_separator(__first_or_null);
- }
-
-public:
- // appends
- path& operator/=(const path& __p) {
- if (__p.is_absolute()) {
- __pn_ = __p.__pn_;
- return *this;
- }
- if (has_filename())
- __pn_ += preferred_separator;
- __pn_ += __p.native();
- return *this;
- }
-
- // FIXME: Use _LIBCPP_DIAGNOSE_WARNING to produce a diagnostic when __src
- // is known at compile time to be "/' since the user almost certainly intended
- // to append a separator instead of overwriting the path with "/"
- template <class _Source>
- _LIBCPP_INLINE_VISIBILITY _EnableIfPathable<_Source>
- operator/=(const _Source& __src) {
- return this->append(__src);
- }
-
- template <class _Source>
- _EnableIfPathable<_Source> append(const _Source& __src) {
- using _Traits = __is_pathable<_Source>;
- using _CVT = _PathCVT<_SourceChar<_Source> >;
- if (__source_is_absolute(_Traits::__first_or_null(__src)))
- __pn_.clear();
- else if (has_filename())
- __pn_ += preferred_separator;
- _CVT::__append_source(__pn_, __src);
- return *this;
- }
-
- template <class _InputIt>
- path& append(_InputIt __first, _InputIt __last) {
- typedef typename iterator_traits<_InputIt>::value_type _ItVal;
- static_assert(__can_convert_char<_ItVal>::value, "Must convertible");
- using _CVT = _PathCVT<_ItVal>;
- if (__first != __last && __source_is_absolute(*__first))
- __pn_.clear();
- else if (has_filename())
- __pn_ += preferred_separator;
- _CVT::__append_range(__pn_, __first, __last);
- return *this;
- }
-
- // concatenation
- _LIBCPP_INLINE_VISIBILITY
- path& operator+=(const path& __x) {
- __pn_ += __x.__pn_;
- return *this;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- path& operator+=(const string_type& __x) {
- __pn_ += __x;
- return *this;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- path& operator+=(__string_view __x) {
- __pn_ += __x;
- return *this;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- path& operator+=(const value_type* __x) {
- __pn_ += __x;
- return *this;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- path& operator+=(value_type __x) {
- __pn_ += __x;
- return *this;
- }
-
- template <class _ECharT>
- typename enable_if<__can_convert_char<_ECharT>::value, path&>::type
- operator+=(_ECharT __x) {
- basic_string<_ECharT> __tmp;
- __tmp += __x;
- _PathCVT<_ECharT>::__append_source(__pn_, __tmp);
- return *this;
- }
-
- template <class _Source>
- _EnableIfPathable<_Source> operator+=(const _Source& __x) {
- return this->concat(__x);
- }
-
- template <class _Source>
- _EnableIfPathable<_Source> concat(const _Source& __x) {
- _SourceCVT<_Source>::__append_source(__pn_, __x);
- return *this;
- }
-
- template <class _InputIt>
- path& concat(_InputIt __first, _InputIt __last) {
- typedef typename iterator_traits<_InputIt>::value_type _ItVal;
- _PathCVT<_ItVal>::__append_range(__pn_, __first, __last);
- return *this;
- }
-
- // modifiers
- _LIBCPP_INLINE_VISIBILITY
- void clear() noexcept { __pn_.clear(); }
-
- path& make_preferred() { return *this; }
-
- _LIBCPP_INLINE_VISIBILITY
- path& remove_filename() {
- auto __fname = __filename();
- if (!__fname.empty())
- __pn_.erase(__fname.data() - __pn_.data());
- return *this;
- }
-
- path& replace_filename(const path& __replacement) {
- remove_filename();
- return (*this /= __replacement);
- }
-
- path& replace_extension(const path& __replacement = path());
-
- _LIBCPP_INLINE_VISIBILITY
- void swap(path& __rhs) noexcept { __pn_.swap(__rhs.__pn_); }
-
- // private helper to allow reserving memory in the path
- _LIBCPP_INLINE_VISIBILITY
- void __reserve(size_t __s) { __pn_.reserve(__s); }
-
- // native format observers
- _LIBCPP_INLINE_VISIBILITY
- const string_type& native() const noexcept { return __pn_; }
-
- _LIBCPP_INLINE_VISIBILITY
- const value_type* c_str() const noexcept { return __pn_.c_str(); }
-
- _LIBCPP_INLINE_VISIBILITY operator string_type() const { return __pn_; }
-
- template <class _ECharT, class _Traits = char_traits<_ECharT>,
- class _Allocator = allocator<_ECharT> >
- basic_string<_ECharT, _Traits, _Allocator>
- string(const _Allocator& __a = _Allocator()) const {
- using _CVT = __widen_from_utf8<sizeof(_ECharT) * __CHAR_BIT__>;
- using _Str = basic_string<_ECharT, _Traits, _Allocator>;
- _Str __s(__a);
- __s.reserve(__pn_.size());
- _CVT()(back_inserter(__s), __pn_.data(), __pn_.data() + __pn_.size());
- return __s;
- }
-
- _LIBCPP_INLINE_VISIBILITY std::string string() const { return __pn_; }
- _LIBCPP_INLINE_VISIBILITY std::wstring wstring() const {
- return string<wchar_t>();
- }
- _LIBCPP_INLINE_VISIBILITY std::string u8string() const { return __pn_; }
- _LIBCPP_INLINE_VISIBILITY std::u16string u16string() const {
- return string<char16_t>();
- }
- _LIBCPP_INLINE_VISIBILITY std::u32string u32string() const {
- return string<char32_t>();
- }
-
- // generic format observers
- template <class _ECharT, class _Traits = char_traits<_ECharT>,
- class _Allocator = allocator<_ECharT> >
- basic_string<_ECharT, _Traits, _Allocator>
- generic_string(const _Allocator& __a = _Allocator()) const {
- return string<_ECharT, _Traits, _Allocator>(__a);
- }
-
- std::string generic_string() const { return __pn_; }
- std::wstring generic_wstring() const { return string<wchar_t>(); }
- std::string generic_u8string() const { return __pn_; }
- std::u16string generic_u16string() const { return string<char16_t>(); }
- std::u32string generic_u32string() const { return string<char32_t>(); }
-
-private:
- int __compare(__string_view) const;
- __string_view __root_name() const;
- __string_view __root_directory() const;
- __string_view __root_path_raw() const;
- __string_view __relative_path() const;
- __string_view __parent_path() const;
- __string_view __filename() const;
- __string_view __stem() const;
- __string_view __extension() const;
-
-public:
- // compare
- _LIBCPP_INLINE_VISIBILITY int compare(const path& __p) const noexcept {
- return __compare(__p.__pn_);
- }
- _LIBCPP_INLINE_VISIBILITY int compare(const string_type& __s) const {
- return __compare(__s);
- }
- _LIBCPP_INLINE_VISIBILITY int compare(__string_view __s) const {
- return __compare(__s);
- }
- _LIBCPP_INLINE_VISIBILITY int compare(const value_type* __s) const {
- return __compare(__s);
- }
-
- // decomposition
- _LIBCPP_INLINE_VISIBILITY path root_name() const {
- return string_type(__root_name());
- }
- _LIBCPP_INLINE_VISIBILITY path root_directory() const {
- return string_type(__root_directory());
- }
- _LIBCPP_INLINE_VISIBILITY path root_path() const {
- return root_name().append(string_type(__root_directory()));
- }
- _LIBCPP_INLINE_VISIBILITY path relative_path() const {
- return string_type(__relative_path());
- }
- _LIBCPP_INLINE_VISIBILITY path parent_path() const {
- return string_type(__parent_path());
- }
- _LIBCPP_INLINE_VISIBILITY path filename() const {
- return string_type(__filename());
- }
- _LIBCPP_INLINE_VISIBILITY path stem() const { return string_type(__stem()); }
- _LIBCPP_INLINE_VISIBILITY path extension() const {
- return string_type(__extension());
- }
-
- // query
- _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY bool
- empty() const noexcept {
- return __pn_.empty();
- }
-
- _LIBCPP_INLINE_VISIBILITY bool has_root_name() const {
- return !__root_name().empty();
- }
- _LIBCPP_INLINE_VISIBILITY bool has_root_directory() const {
- return !__root_directory().empty();
- }
- _LIBCPP_INLINE_VISIBILITY bool has_root_path() const {
- return !__root_path_raw().empty();
- }
- _LIBCPP_INLINE_VISIBILITY bool has_relative_path() const {
- return !__relative_path().empty();
- }
- _LIBCPP_INLINE_VISIBILITY bool has_parent_path() const {
- return !__parent_path().empty();
- }
- _LIBCPP_INLINE_VISIBILITY bool has_filename() const {
- return !__filename().empty();
- }
- _LIBCPP_INLINE_VISIBILITY bool has_stem() const { return !__stem().empty(); }
- _LIBCPP_INLINE_VISIBILITY bool has_extension() const {
- return !__extension().empty();
- }
-
- _LIBCPP_INLINE_VISIBILITY bool is_absolute() const {
- return has_root_directory();
- }
- _LIBCPP_INLINE_VISIBILITY bool is_relative() const { return !is_absolute(); }
-
- // relative paths
- path lexically_normal() const;
- path lexically_relative(const path& __base) const;
-
- _LIBCPP_INLINE_VISIBILITY path lexically_proximate(const path& __base) const {
- path __result = this->lexically_relative(__base);
- if (__result.native().empty())
- return *this;
- return __result;
- }
-
- // iterators
- class _LIBCPP_TYPE_VIS iterator;
- typedef iterator const_iterator;
-
- iterator begin() const;
- iterator end() const;
-
- template <class _CharT, class _Traits>
- _LIBCPP_INLINE_VISIBILITY friend
- typename enable_if<is_same<_CharT, char>::value &&
- is_same<_Traits, char_traits<char> >::value,
- basic_ostream<_CharT, _Traits>&>::type
- operator<<(basic_ostream<_CharT, _Traits>& __os, const path& __p) {
- __os << std::__quoted(__p.native());
- return __os;
- }
-
- template <class _CharT, class _Traits>
- _LIBCPP_INLINE_VISIBILITY friend
- typename enable_if<!is_same<_CharT, char>::value ||
- !is_same<_Traits, char_traits<char> >::value,
- basic_ostream<_CharT, _Traits>&>::type
- operator<<(basic_ostream<_CharT, _Traits>& __os, const path& __p) {
- __os << std::__quoted(__p.string<_CharT, _Traits>());
- return __os;
- }
-
- template <class _CharT, class _Traits>
- _LIBCPP_INLINE_VISIBILITY friend basic_istream<_CharT, _Traits>&
- operator>>(basic_istream<_CharT, _Traits>& __is, path& __p) {
- basic_string<_CharT, _Traits> __tmp;
- __is >> __quoted(__tmp);
- __p = __tmp;
- return __is;
- }
-
- friend _LIBCPP_INLINE_VISIBILITY bool operator==(const path& __lhs, const path& __rhs) noexcept {
- return __lhs.compare(__rhs) == 0;
- }
- friend _LIBCPP_INLINE_VISIBILITY bool operator!=(const path& __lhs, const path& __rhs) noexcept {
- return __lhs.compare(__rhs) != 0;
- }
- friend _LIBCPP_INLINE_VISIBILITY bool operator<(const path& __lhs, const path& __rhs) noexcept {
- return __lhs.compare(__rhs) < 0;
- }
- friend _LIBCPP_INLINE_VISIBILITY bool operator<=(const path& __lhs, const path& __rhs) noexcept {
- return __lhs.compare(__rhs) <= 0;
- }
- friend _LIBCPP_INLINE_VISIBILITY bool operator>(const path& __lhs, const path& __rhs) noexcept {
- return __lhs.compare(__rhs) > 0;
- }
- friend _LIBCPP_INLINE_VISIBILITY bool operator>=(const path& __lhs, const path& __rhs) noexcept {
- return __lhs.compare(__rhs) >= 0;
- }
-
- friend _LIBCPP_INLINE_VISIBILITY path operator/(const path& __lhs,
- const path& __rhs) {
- path __result(__lhs);
- __result /= __rhs;
- return __result;
- }
-private:
- inline _LIBCPP_INLINE_VISIBILITY path&
- __assign_view(__string_view const& __s) noexcept {
- __pn_ = string_type(__s);
- return *this;
- }
- string_type __pn_;
-};
-
-inline _LIBCPP_INLINE_VISIBILITY void swap(path& __lhs, path& __rhs) noexcept {
- __lhs.swap(__rhs);
-}
-
-_LIBCPP_FUNC_VIS
-size_t hash_value(const path& __p) noexcept;
-
-template <class _Source>
-_LIBCPP_INLINE_VISIBILITY
- typename enable_if<__is_pathable<_Source>::value, path>::type
- u8path(const _Source& __s) {
- static_assert(
- is_same<typename __is_pathable<_Source>::__char_type, char>::value,
- "u8path(Source const&) requires Source have a character type of type "
- "'char'");
- return path(__s);
-}
-
-template <class _InputIt>
-_LIBCPP_INLINE_VISIBILITY
- typename enable_if<__is_pathable<_InputIt>::value, path>::type
- u8path(_InputIt __f, _InputIt __l) {
- static_assert(
- is_same<typename __is_pathable<_InputIt>::__char_type, char>::value,
- "u8path(Iter, Iter) requires Iter have a value_type of type 'char'");
- return path(__f, __l);
-}
-
-class _LIBCPP_TYPE_VIS path::iterator {
-public:
- enum _ParserState : unsigned char {
- _Singular,
- _BeforeBegin,
- _InRootName,
- _InRootDir,
- _InFilenames,
- _InTrailingSep,
- _AtEnd
- };
-
-public:
- typedef bidirectional_iterator_tag iterator_category;
-
- typedef path value_type;
- typedef std::ptrdiff_t difference_type;
- typedef const path* pointer;
- typedef const path& reference;
-
- typedef void
- __stashing_iterator_tag; // See reverse_iterator and __is_stashing_iterator
-
-public:
- _LIBCPP_INLINE_VISIBILITY
- iterator()
- : __stashed_elem_(), __path_ptr_(nullptr), __entry_(),
- __state_(_Singular) {}
-
- iterator(const iterator&) = default;
- ~iterator() = default;
-
- iterator& operator=(const iterator&) = default;
-
- _LIBCPP_INLINE_VISIBILITY
- reference operator*() const { return __stashed_elem_; }
-
- _LIBCPP_INLINE_VISIBILITY
- pointer operator->() const { return &__stashed_elem_; }
-
- _LIBCPP_INLINE_VISIBILITY
- iterator& operator++() {
- _LIBCPP_ASSERT(__state_ != _Singular,
- "attempting to increment a singular iterator");
- _LIBCPP_ASSERT(__state_ != _AtEnd,
- "attempting to increment the end iterator");
- return __increment();
- }
-
- _LIBCPP_INLINE_VISIBILITY
- iterator operator++(int) {
- iterator __it(*this);
- this->operator++();
- return __it;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- iterator& operator--() {
- _LIBCPP_ASSERT(__state_ != _Singular,
- "attempting to decrement a singular iterator");
- _LIBCPP_ASSERT(__entry_.data() != __path_ptr_->native().data(),
- "attempting to decrement the begin iterator");
- return __decrement();
- }
-
- _LIBCPP_INLINE_VISIBILITY
- iterator operator--(int) {
- iterator __it(*this);
- this->operator--();
- return __it;
- }
-
-private:
- friend class path;
-
- inline _LIBCPP_INLINE_VISIBILITY friend bool operator==(const iterator&,
- const iterator&);
-
- iterator& __increment();
- iterator& __decrement();
-
- path __stashed_elem_;
- const path* __path_ptr_;
- path::__string_view __entry_;
- _ParserState __state_;
-};
-
-inline _LIBCPP_INLINE_VISIBILITY bool operator==(const path::iterator& __lhs,
- const path::iterator& __rhs) {
- return __lhs.__path_ptr_ == __rhs.__path_ptr_ &&
- __lhs.__entry_.data() == __rhs.__entry_.data();
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool operator!=(const path::iterator& __lhs,
- const path::iterator& __rhs) {
- return !(__lhs == __rhs);
-}
-
-class _LIBCPP_EXCEPTION_ABI filesystem_error : public system_error {
-public:
- _LIBCPP_INLINE_VISIBILITY
- filesystem_error(const string& __what, error_code __ec)
- : system_error(__ec, __what),
- __storage_(make_shared<_Storage>(path(), path())) {
- __create_what(0);
- }
-
- _LIBCPP_INLINE_VISIBILITY
- filesystem_error(const string& __what, const path& __p1, error_code __ec)
- : system_error(__ec, __what),
- __storage_(make_shared<_Storage>(__p1, path())) {
- __create_what(1);
- }
-
- _LIBCPP_INLINE_VISIBILITY
- filesystem_error(const string& __what, const path& __p1, const path& __p2,
- error_code __ec)
- : system_error(__ec, __what),
- __storage_(make_shared<_Storage>(__p1, __p2)) {
- __create_what(2);
- }
-
- _LIBCPP_INLINE_VISIBILITY
- const path& path1() const noexcept { return __storage_->__p1_; }
-
- _LIBCPP_INLINE_VISIBILITY
- const path& path2() const noexcept { return __storage_->__p2_; }
-
- ~filesystem_error() override; // key function
-
- _LIBCPP_INLINE_VISIBILITY
- const char* what() const noexcept override {
- return __storage_->__what_.c_str();
- }
-
- _LIBCPP_FUNC_VIS
- void __create_what(int __num_paths);
-
-private:
- struct _Storage {
- _LIBCPP_INLINE_VISIBILITY
- _Storage(const path& __p1, const path& __p2) : __p1_(__p1), __p2_(__p2) {}
-
- path __p1_;
- path __p2_;
- string __what_;
- };
- shared_ptr<_Storage> __storage_;
-};
-
-template <class... _Args>
-_LIBCPP_NORETURN inline _LIBCPP_INLINE_VISIBILITY
-#ifndef _LIBCPP_NO_EXCEPTIONS
- void
- __throw_filesystem_error(_Args&&... __args) {
- throw filesystem_error(std::forward<_Args>(__args)...);
-}
-#else
- void
- __throw_filesystem_error(_Args&&...) {
- _VSTD::abort();
-}
-#endif
-
-// operational functions
-
-_LIBCPP_FUNC_VIS
-path __absolute(const path&, error_code* __ec = nullptr);
-_LIBCPP_FUNC_VIS
-path __canonical(const path&, error_code* __ec = nullptr);
-_LIBCPP_FUNC_VIS
-void __copy(const path& __from, const path& __to, copy_options __opt,
- error_code* __ec = nullptr);
-_LIBCPP_FUNC_VIS
-bool __copy_file(const path& __from, const path& __to, copy_options __opt,
- error_code* __ec = nullptr);
-_LIBCPP_FUNC_VIS
-void __copy_symlink(const path& __existing_symlink, const path& __new_symlink,
- error_code* __ec = nullptr);
-_LIBCPP_FUNC_VIS
-bool __create_directories(const path& p, error_code* ec = nullptr);
-_LIBCPP_FUNC_VIS
-bool __create_directory(const path& p, error_code* ec = nullptr);
-_LIBCPP_FUNC_VIS
-bool __create_directory(const path& p, const path& attributes,
- error_code* ec = nullptr);
-_LIBCPP_FUNC_VIS
-void __create_directory_symlink(const path& __to, const path& __new_symlink,
- error_code* __ec = nullptr);
-_LIBCPP_FUNC_VIS
-void __create_hard_link(const path& __to, const path& __new_hard_link,
- error_code* __ec = nullptr);
-_LIBCPP_FUNC_VIS
-void __create_symlink(const path& __to, const path& __new_symlink,
- error_code* __ec = nullptr);
-_LIBCPP_FUNC_VIS
-path __current_path(error_code* __ec = nullptr);
-_LIBCPP_FUNC_VIS
-void __current_path(const path&, error_code* __ec = nullptr);
-_LIBCPP_FUNC_VIS
-bool __equivalent(const path&, const path&, error_code* __ec = nullptr);
-_LIBCPP_FUNC_VIS
-uintmax_t __file_size(const path&, error_code* __ec = nullptr);
-_LIBCPP_FUNC_VIS
-uintmax_t __hard_link_count(const path&, error_code* __ec = nullptr);
-_LIBCPP_FUNC_VIS
-bool __fs_is_empty(const path& p, error_code* ec = nullptr);
-_LIBCPP_FUNC_VIS
-file_time_type __last_write_time(const path& p, error_code* ec = nullptr);
-_LIBCPP_FUNC_VIS
-void __last_write_time(const path& p, file_time_type new_time,
- error_code* ec = nullptr);
-_LIBCPP_FUNC_VIS
-void __permissions(const path&, perms, perm_options, error_code* = nullptr);
-_LIBCPP_FUNC_VIS
-path __read_symlink(const path& p, error_code* ec = nullptr);
-_LIBCPP_FUNC_VIS
-bool __remove(const path& p, error_code* ec = nullptr);
-_LIBCPP_FUNC_VIS
-uintmax_t __remove_all(const path& p, error_code* ec = nullptr);
-_LIBCPP_FUNC_VIS
-void __rename(const path& from, const path& to, error_code* ec = nullptr);
-_LIBCPP_FUNC_VIS
-void __resize_file(const path& p, uintmax_t size, error_code* ec = nullptr);
-_LIBCPP_FUNC_VIS
-space_info __space(const path&, error_code* __ec = nullptr);
-_LIBCPP_FUNC_VIS
-file_status __status(const path&, error_code* __ec = nullptr);
-_LIBCPP_FUNC_VIS
-file_status __symlink_status(const path&, error_code* __ec = nullptr);
-_LIBCPP_FUNC_VIS
-path __system_complete(const path&, error_code* __ec = nullptr);
-_LIBCPP_FUNC_VIS
-path __temp_directory_path(error_code* __ec = nullptr);
-_LIBCPP_FUNC_VIS
-path __weakly_canonical(path const& __p, error_code* __ec = nullptr);
-
-inline _LIBCPP_INLINE_VISIBILITY path current_path() {
- return __current_path();
-}
-
-inline _LIBCPP_INLINE_VISIBILITY path current_path(error_code& __ec) {
- return __current_path(&__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void current_path(const path& __p) {
- __current_path(__p);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void current_path(const path& __p,
- error_code& __ec) noexcept {
- __current_path(__p, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY path absolute(const path& __p) {
- return __absolute(__p);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY path absolute(const path& __p,
- error_code& __ec) {
- return __absolute(__p, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY path canonical(const path& __p) {
- return __canonical(__p);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY path canonical(const path& __p,
- error_code& __ec) {
- return __canonical(__p, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void copy(const path& __from,
- const path& __to) {
- __copy(__from, __to, copy_options::none);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void copy(const path& __from, const path& __to,
- error_code& __ec) {
- __copy(__from, __to, copy_options::none, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void copy(const path& __from, const path& __to,
- copy_options __opt) {
- __copy(__from, __to, __opt);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void copy(const path& __from, const path& __to,
- copy_options __opt,
- error_code& __ec) {
- __copy(__from, __to, __opt, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool copy_file(const path& __from,
- const path& __to) {
- return __copy_file(__from, __to, copy_options::none);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool
-copy_file(const path& __from, const path& __to, error_code& __ec) {
- return __copy_file(__from, __to, copy_options::none, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool
-copy_file(const path& __from, const path& __to, copy_options __opt) {
- return __copy_file(__from, __to, __opt);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool copy_file(const path& __from,
- const path& __to,
- copy_options __opt,
- error_code& __ec) {
- return __copy_file(__from, __to, __opt, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void copy_symlink(const path& __existing,
- const path& __new) {
- __copy_symlink(__existing, __new);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void
-copy_symlink(const path& __ext, const path& __new, error_code& __ec) noexcept {
- __copy_symlink(__ext, __new, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool create_directories(const path& __p) {
- return __create_directories(__p);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool create_directories(const path& __p,
- error_code& __ec) {
- return __create_directories(__p, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool create_directory(const path& __p) {
- return __create_directory(__p);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool
-create_directory(const path& __p, error_code& __ec) noexcept {
- return __create_directory(__p, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool create_directory(const path& __p,
- const path& __attrs) {
- return __create_directory(__p, __attrs);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool
-create_directory(const path& __p, const path& __attrs,
- error_code& __ec) noexcept {
- return __create_directory(__p, __attrs, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void
-create_directory_symlink(const path& __to, const path& __new) {
- __create_directory_symlink(__to, __new);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void
-create_directory_symlink(const path& __to, const path& __new,
- error_code& __ec) noexcept {
- __create_directory_symlink(__to, __new, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void create_hard_link(const path& __to,
- const path& __new) {
- __create_hard_link(__to, __new);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void
-create_hard_link(const path& __to, const path& __new,
- error_code& __ec) noexcept {
- __create_hard_link(__to, __new, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void create_symlink(const path& __to,
- const path& __new) {
- __create_symlink(__to, __new);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void
-create_symlink(const path& __to, const path& __new, error_code& __ec) noexcept {
- return __create_symlink(__to, __new, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool status_known(file_status __s) noexcept {
- return __s.type() != file_type::none;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool exists(file_status __s) noexcept {
- return status_known(__s) && __s.type() != file_type::not_found;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool exists(const path& __p) {
- return exists(__status(__p));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool exists(const path& __p,
- error_code& __ec) noexcept {
- auto __s = __status(__p, &__ec);
- if (status_known(__s))
- __ec.clear();
- return exists(__s);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool equivalent(const path& __p1,
- const path& __p2) {
- return __equivalent(__p1, __p2);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool
-equivalent(const path& __p1, const path& __p2, error_code& __ec) noexcept {
- return __equivalent(__p1, __p2, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY uintmax_t file_size(const path& __p) {
- return __file_size(__p);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY uintmax_t
-file_size(const path& __p, error_code& __ec) noexcept {
- return __file_size(__p, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY uintmax_t hard_link_count(const path& __p) {
- return __hard_link_count(__p);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY uintmax_t
-hard_link_count(const path& __p, error_code& __ec) noexcept {
- return __hard_link_count(__p, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_block_file(file_status __s) noexcept {
- return __s.type() == file_type::block;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_block_file(const path& __p) {
- return is_block_file(__status(__p));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_block_file(const path& __p,
- error_code& __ec) noexcept {
- return is_block_file(__status(__p, &__ec));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool
-is_character_file(file_status __s) noexcept {
- return __s.type() == file_type::character;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_character_file(const path& __p) {
- return is_character_file(__status(__p));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool
-is_character_file(const path& __p, error_code& __ec) noexcept {
- return is_character_file(__status(__p, &__ec));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_directory(file_status __s) noexcept {
- return __s.type() == file_type::directory;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_directory(const path& __p) {
- return is_directory(__status(__p));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_directory(const path& __p,
- error_code& __ec) noexcept {
- return is_directory(__status(__p, &__ec));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_empty(const path& __p) {
- return __fs_is_empty(__p);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_empty(const path& __p,
- error_code& __ec) {
- return __fs_is_empty(__p, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_fifo(file_status __s) noexcept {
- return __s.type() == file_type::fifo;
-}
-inline _LIBCPP_INLINE_VISIBILITY bool is_fifo(const path& __p) {
- return is_fifo(__status(__p));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_fifo(const path& __p,
- error_code& __ec) noexcept {
- return is_fifo(__status(__p, &__ec));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool
-is_regular_file(file_status __s) noexcept {
- return __s.type() == file_type::regular;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_regular_file(const path& __p) {
- return is_regular_file(__status(__p));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool
-is_regular_file(const path& __p, error_code& __ec) noexcept {
- return is_regular_file(__status(__p, &__ec));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_socket(file_status __s) noexcept {
- return __s.type() == file_type::socket;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_socket(const path& __p) {
- return is_socket(__status(__p));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_socket(const path& __p,
- error_code& __ec) noexcept {
- return is_socket(__status(__p, &__ec));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_symlink(file_status __s) noexcept {
- return __s.type() == file_type::symlink;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_symlink(const path& __p) {
- return is_symlink(__symlink_status(__p));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_symlink(const path& __p,
- error_code& __ec) noexcept {
- return is_symlink(__symlink_status(__p, &__ec));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_other(file_status __s) noexcept {
- return exists(__s) && !is_regular_file(__s) && !is_directory(__s) &&
- !is_symlink(__s);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_other(const path& __p) {
- return is_other(__status(__p));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool is_other(const path& __p,
- error_code& __ec) noexcept {
- return is_other(__status(__p, &__ec));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY file_time_type
-last_write_time(const path& __p) {
- return __last_write_time(__p);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY file_time_type
-last_write_time(const path& __p, error_code& __ec) noexcept {
- return __last_write_time(__p, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void last_write_time(const path& __p,
- file_time_type __t) {
- __last_write_time(__p, __t);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void
-last_write_time(const path& __p, file_time_type __t,
- error_code& __ec) noexcept {
- __last_write_time(__p, __t, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void
-permissions(const path& __p, perms __prms,
- perm_options __opts = perm_options::replace) {
- __permissions(__p, __prms, __opts);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void permissions(const path& __p, perms __prms,
- error_code& __ec) noexcept {
- __permissions(__p, __prms, perm_options::replace, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void permissions(const path& __p, perms __prms,
- perm_options __opts,
- error_code& __ec) {
- __permissions(__p, __prms, __opts, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY path proximate(const path& __p,
- const path& __base,
- error_code& __ec) {
- path __tmp = __weakly_canonical(__p, &__ec);
- if (__ec)
- return {};
- path __tmp_base = __weakly_canonical(__base, &__ec);
- if (__ec)
- return {};
- return __tmp.lexically_proximate(__tmp_base);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY path proximate(const path& __p,
- error_code& __ec) {
- return proximate(__p, current_path(), __ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY path
-proximate(const path& __p, const path& __base = current_path()) {
- return __weakly_canonical(__p).lexically_proximate(
- __weakly_canonical(__base));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY path read_symlink(const path& __p) {
- return __read_symlink(__p);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY path read_symlink(const path& __p,
- error_code& __ec) {
- return __read_symlink(__p, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY path relative(const path& __p,
- const path& __base,
- error_code& __ec) {
- path __tmp = __weakly_canonical(__p, &__ec);
- if (__ec)
- return path();
- path __tmpbase = __weakly_canonical(__base, &__ec);
- if (__ec)
- return path();
- return __tmp.lexically_relative(__tmpbase);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY path relative(const path& __p,
- error_code& __ec) {
- return relative(__p, current_path(), __ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY path
-relative(const path& __p, const path& __base = current_path()) {
- return __weakly_canonical(__p).lexically_relative(__weakly_canonical(__base));
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool remove(const path& __p) {
- return __remove(__p);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool remove(const path& __p,
- error_code& __ec) noexcept {
- return __remove(__p, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY uintmax_t remove_all(const path& __p) {
- return __remove_all(__p);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY uintmax_t remove_all(const path& __p,
- error_code& __ec) {
- return __remove_all(__p, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void rename(const path& __from,
- const path& __to) {
- return __rename(__from, __to);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void
-rename(const path& __from, const path& __to, error_code& __ec) noexcept {
- return __rename(__from, __to, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void resize_file(const path& __p,
- uintmax_t __ns) {
- return __resize_file(__p, __ns);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void
-resize_file(const path& __p, uintmax_t __ns, error_code& __ec) noexcept {
- return __resize_file(__p, __ns, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY space_info space(const path& __p) {
- return __space(__p);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY space_info space(const path& __p,
- error_code& __ec) noexcept {
- return __space(__p, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY file_status status(const path& __p) {
- return __status(__p);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY file_status status(const path& __p,
- error_code& __ec) noexcept {
- return __status(__p, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY file_status symlink_status(const path& __p) {
- return __symlink_status(__p);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY file_status
-symlink_status(const path& __p, error_code& __ec) noexcept {
- return __symlink_status(__p, &__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY path temp_directory_path() {
- return __temp_directory_path();
-}
-
-inline _LIBCPP_INLINE_VISIBILITY path temp_directory_path(error_code& __ec) {
- return __temp_directory_path(&__ec);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY path weakly_canonical(path const& __p) {
- return __weakly_canonical(__p);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY path weakly_canonical(path const& __p,
- error_code& __ec) {
- return __weakly_canonical(__p, &__ec);
-}
-
-class directory_iterator;
-class recursive_directory_iterator;
-class __dir_stream;
-
-class directory_entry {
- typedef _VSTD_FS::path _Path;
-
-public:
- // constructors and destructors
- directory_entry() noexcept = default;
- directory_entry(directory_entry const&) = default;
- directory_entry(directory_entry&&) noexcept = default;
-
- _LIBCPP_INLINE_VISIBILITY
- explicit directory_entry(_Path const& __p) : __p_(__p) {
- error_code __ec;
- __refresh(&__ec);
- }
-
- _LIBCPP_INLINE_VISIBILITY
- directory_entry(_Path const& __p, error_code& __ec) : __p_(__p) {
- __refresh(&__ec);
- }
-
- ~directory_entry() {}
-
- directory_entry& operator=(directory_entry const&) = default;
- directory_entry& operator=(directory_entry&&) noexcept = default;
-
- _LIBCPP_INLINE_VISIBILITY
- void assign(_Path const& __p) {
- __p_ = __p;
- error_code __ec;
- __refresh(&__ec);
- }
-
- _LIBCPP_INLINE_VISIBILITY
- void assign(_Path const& __p, error_code& __ec) {
- __p_ = __p;
- __refresh(&__ec);
- }
-
- _LIBCPP_INLINE_VISIBILITY
- void replace_filename(_Path const& __p) {
- __p_.replace_filename(__p);
- error_code __ec;
- __refresh(&__ec);
- }
-
- _LIBCPP_INLINE_VISIBILITY
- void replace_filename(_Path const& __p, error_code& __ec) {
- __p_ = __p_.parent_path() / __p;
- __refresh(&__ec);
- }
-
- _LIBCPP_INLINE_VISIBILITY
- void refresh() { __refresh(); }
-
- _LIBCPP_INLINE_VISIBILITY
- void refresh(error_code& __ec) noexcept { __refresh(&__ec); }
-
- _LIBCPP_INLINE_VISIBILITY
- _Path const& path() const noexcept { return __p_; }
-
- _LIBCPP_INLINE_VISIBILITY
- operator const _Path&() const noexcept { return __p_; }
-
- _LIBCPP_INLINE_VISIBILITY
- bool exists() const { return _VSTD_FS::exists(file_status{__get_ft()}); }
-
- _LIBCPP_INLINE_VISIBILITY
- bool exists(error_code& __ec) const noexcept {
- return _VSTD_FS::exists(file_status{__get_ft(&__ec)});
- }
-
- _LIBCPP_INLINE_VISIBILITY
- bool is_block_file() const { return __get_ft() == file_type::block; }
-
- _LIBCPP_INLINE_VISIBILITY
- bool is_block_file(error_code& __ec) const noexcept {
- return __get_ft(&__ec) == file_type::block;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- bool is_character_file() const { return __get_ft() == file_type::character; }
-
- _LIBCPP_INLINE_VISIBILITY
- bool is_character_file(error_code& __ec) const noexcept {
- return __get_ft(&__ec) == file_type::character;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- bool is_directory() const { return __get_ft() == file_type::directory; }
-
- _LIBCPP_INLINE_VISIBILITY
- bool is_directory(error_code& __ec) const noexcept {
- return __get_ft(&__ec) == file_type::directory;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- bool is_fifo() const { return __get_ft() == file_type::fifo; }
-
- _LIBCPP_INLINE_VISIBILITY
- bool is_fifo(error_code& __ec) const noexcept {
- return __get_ft(&__ec) == file_type::fifo;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- bool is_other() const { return _VSTD_FS::is_other(file_status{__get_ft()}); }
-
- _LIBCPP_INLINE_VISIBILITY
- bool is_other(error_code& __ec) const noexcept {
- return _VSTD_FS::is_other(file_status{__get_ft(&__ec)});
- }
-
- _LIBCPP_INLINE_VISIBILITY
- bool is_regular_file() const { return __get_ft() == file_type::regular; }
-
- _LIBCPP_INLINE_VISIBILITY
- bool is_regular_file(error_code& __ec) const noexcept {
- return __get_ft(&__ec) == file_type::regular;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- bool is_socket() const { return __get_ft() == file_type::socket; }
-
- _LIBCPP_INLINE_VISIBILITY
- bool is_socket(error_code& __ec) const noexcept {
- return __get_ft(&__ec) == file_type::socket;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- bool is_symlink() const { return __get_sym_ft() == file_type::symlink; }
-
- _LIBCPP_INLINE_VISIBILITY
- bool is_symlink(error_code& __ec) const noexcept {
- return __get_sym_ft(&__ec) == file_type::symlink;
- }
- _LIBCPP_INLINE_VISIBILITY
- uintmax_t file_size() const { return __get_size(); }
-
- _LIBCPP_INLINE_VISIBILITY
- uintmax_t file_size(error_code& __ec) const noexcept {
- return __get_size(&__ec);
- }
-
- _LIBCPP_INLINE_VISIBILITY
- uintmax_t hard_link_count() const { return __get_nlink(); }
-
- _LIBCPP_INLINE_VISIBILITY
- uintmax_t hard_link_count(error_code& __ec) const noexcept {
- return __get_nlink(&__ec);
- }
-
- _LIBCPP_INLINE_VISIBILITY
- file_time_type last_write_time() const { return __get_write_time(); }
-
- _LIBCPP_INLINE_VISIBILITY
- file_time_type last_write_time(error_code& __ec) const noexcept {
- return __get_write_time(&__ec);
- }
-
- _LIBCPP_INLINE_VISIBILITY
- file_status status() const { return __get_status(); }
-
- _LIBCPP_INLINE_VISIBILITY
- file_status status(error_code& __ec) const noexcept {
- return __get_status(&__ec);
- }
-
- _LIBCPP_INLINE_VISIBILITY
- file_status symlink_status() const { return __get_symlink_status(); }
-
- _LIBCPP_INLINE_VISIBILITY
- file_status symlink_status(error_code& __ec) const noexcept {
- return __get_symlink_status(&__ec);
- }
-
- _LIBCPP_INLINE_VISIBILITY
- bool operator<(directory_entry const& __rhs) const noexcept {
- return __p_ < __rhs.__p_;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- bool operator==(directory_entry const& __rhs) const noexcept {
- return __p_ == __rhs.__p_;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- bool operator!=(directory_entry const& __rhs) const noexcept {
- return __p_ != __rhs.__p_;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- bool operator<=(directory_entry const& __rhs) const noexcept {
- return __p_ <= __rhs.__p_;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- bool operator>(directory_entry const& __rhs) const noexcept {
- return __p_ > __rhs.__p_;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- bool operator>=(directory_entry const& __rhs) const noexcept {
- return __p_ >= __rhs.__p_;
- }
-
-private:
- friend class directory_iterator;
- friend class recursive_directory_iterator;
- friend class __dir_stream;
-
- enum _CacheType : unsigned char {
- _Empty,
- _IterSymlink,
- _IterNonSymlink,
- _RefreshSymlink,
- _RefreshSymlinkUnresolved,
- _RefreshNonSymlink
- };
-
- struct __cached_data {
- uintmax_t __size_;
- uintmax_t __nlink_;
- file_time_type __write_time_;
- perms __sym_perms_;
- perms __non_sym_perms_;
- file_type __type_;
- _CacheType __cache_type_;
-
- _LIBCPP_INLINE_VISIBILITY
- __cached_data() noexcept { __reset(); }
-
- _LIBCPP_INLINE_VISIBILITY
- void __reset() {
- __cache_type_ = _Empty;
- __type_ = file_type::none;
- __sym_perms_ = __non_sym_perms_ = perms::unknown;
- __size_ = __nlink_ = uintmax_t(-1);
- __write_time_ = file_time_type::min();
- }
- };
-
- _LIBCPP_INLINE_VISIBILITY
- static __cached_data __create_iter_result(file_type __ft) {
- __cached_data __data;
- __data.__type_ = __ft;
- __data.__cache_type_ = [&]() {
- switch (__ft) {
- case file_type::none:
- return _Empty;
- case file_type::symlink:
- return _IterSymlink;
- default:
- return _IterNonSymlink;
- }
- }();
- return __data;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- void __assign_iter_entry(_Path&& __p, __cached_data __dt) {
- __p_ = std::move(__p);
- __data_ = __dt;
- }
-
- _LIBCPP_FUNC_VIS
- error_code __do_refresh() noexcept;
-
- _LIBCPP_INLINE_VISIBILITY
- static bool __is_dne_error(error_code const& __ec) {
- if (!__ec)
- return true;
- switch (static_cast<errc>(__ec.value())) {
- case errc::no_such_file_or_directory:
- case errc::not_a_directory:
- return true;
- default:
- return false;
- }
- }
-
- _LIBCPP_INLINE_VISIBILITY
- void __handle_error(const char* __msg, error_code* __dest_ec,
- error_code const& __ec, bool __allow_dne = false) const {
- if (__dest_ec) {
- *__dest_ec = __ec;
- return;
- }
- if (__ec && (!__allow_dne || !__is_dne_error(__ec)))
- __throw_filesystem_error(__msg, __p_, __ec);
- }
-
- _LIBCPP_INLINE_VISIBILITY
- void __refresh(error_code* __ec = nullptr) {
- __handle_error("in directory_entry::refresh", __ec, __do_refresh(),
- /*allow_dne*/ true);
- }
-
- _LIBCPP_INLINE_VISIBILITY
- file_type __get_sym_ft(error_code* __ec = nullptr) const {
- switch (__data_.__cache_type_) {
- case _Empty:
- return __symlink_status(__p_, __ec).type();
- case _IterSymlink:
- case _RefreshSymlink:
- case _RefreshSymlinkUnresolved:
- if (__ec)
- __ec->clear();
- return file_type::symlink;
- case _IterNonSymlink:
- case _RefreshNonSymlink:
- file_status __st(__data_.__type_);
- if (__ec && !_VSTD_FS::exists(__st))
- *__ec = make_error_code(errc::no_such_file_or_directory);
- else if (__ec)
- __ec->clear();
- return __data_.__type_;
- }
- _LIBCPP_UNREACHABLE();
- }
-
- _LIBCPP_INLINE_VISIBILITY
- file_type __get_ft(error_code* __ec = nullptr) const {
- switch (__data_.__cache_type_) {
- case _Empty:
- case _IterSymlink:
- case _RefreshSymlinkUnresolved:
- return __status(__p_, __ec).type();
- case _IterNonSymlink:
- case _RefreshNonSymlink:
- case _RefreshSymlink: {
- file_status __st(__data_.__type_);
- if (__ec && !_VSTD_FS::exists(__st))
- *__ec = make_error_code(errc::no_such_file_or_directory);
- else if (__ec)
- __ec->clear();
- return __data_.__type_;
- }
- }
- _LIBCPP_UNREACHABLE();
- }
-
- _LIBCPP_INLINE_VISIBILITY
- file_status __get_status(error_code* __ec = nullptr) const {
- switch (__data_.__cache_type_) {
- case _Empty:
- case _IterNonSymlink:
- case _IterSymlink:
- case _RefreshSymlinkUnresolved:
- return __status(__p_, __ec);
- case _RefreshNonSymlink:
- case _RefreshSymlink:
- return file_status(__get_ft(__ec), __data_.__non_sym_perms_);
- }
- _LIBCPP_UNREACHABLE();
- }
-
- _LIBCPP_INLINE_VISIBILITY
- file_status __get_symlink_status(error_code* __ec = nullptr) const {
- switch (__data_.__cache_type_) {
- case _Empty:
- case _IterNonSymlink:
- case _IterSymlink:
- return __symlink_status(__p_, __ec);
- case _RefreshNonSymlink:
- return file_status(__get_sym_ft(__ec), __data_.__non_sym_perms_);
- case _RefreshSymlink:
- case _RefreshSymlinkUnresolved:
- return file_status(__get_sym_ft(__ec), __data_.__sym_perms_);
- }
- _LIBCPP_UNREACHABLE();
- }
-
- _LIBCPP_INLINE_VISIBILITY
- uintmax_t __get_size(error_code* __ec = nullptr) const {
- switch (__data_.__cache_type_) {
- case _Empty:
- case _IterNonSymlink:
- case _IterSymlink:
- case _RefreshSymlinkUnresolved:
- return _VSTD_FS::__file_size(__p_, __ec);
- case _RefreshSymlink:
- case _RefreshNonSymlink: {
- error_code __m_ec;
- file_status __st(__get_ft(&__m_ec));
- __handle_error("in directory_entry::file_size", __ec, __m_ec);
- if (_VSTD_FS::exists(__st) && !_VSTD_FS::is_regular_file(__st)) {
- errc __err_kind = _VSTD_FS::is_directory(__st) ? errc::is_a_directory
- : errc::not_supported;
- __handle_error("in directory_entry::file_size", __ec,
- make_error_code(__err_kind));
- }
- return __data_.__size_;
- }
- }
- _LIBCPP_UNREACHABLE();
- }
-
- _LIBCPP_INLINE_VISIBILITY
- uintmax_t __get_nlink(error_code* __ec = nullptr) const {
- switch (__data_.__cache_type_) {
- case _Empty:
- case _IterNonSymlink:
- case _IterSymlink:
- case _RefreshSymlinkUnresolved:
- return _VSTD_FS::__hard_link_count(__p_, __ec);
- case _RefreshSymlink:
- case _RefreshNonSymlink: {
- error_code __m_ec;
- (void)__get_ft(&__m_ec);
- __handle_error("in directory_entry::hard_link_count", __ec, __m_ec);
- return __data_.__nlink_;
- }
- }
- _LIBCPP_UNREACHABLE();
- }
-
- _LIBCPP_INLINE_VISIBILITY
- file_time_type __get_write_time(error_code* __ec = nullptr) const {
- switch (__data_.__cache_type_) {
- case _Empty:
- case _IterNonSymlink:
- case _IterSymlink:
- case _RefreshSymlinkUnresolved:
- return _VSTD_FS::__last_write_time(__p_, __ec);
- case _RefreshSymlink:
- case _RefreshNonSymlink: {
- error_code __m_ec;
- file_status __st(__get_ft(&__m_ec));
- __handle_error("in directory_entry::last_write_time", __ec, __m_ec);
- if (_VSTD_FS::exists(__st) &&
- __data_.__write_time_ == file_time_type::min())
- __handle_error("in directory_entry::last_write_time", __ec,
- make_error_code(errc::value_too_large));
- return __data_.__write_time_;
- }
- }
- _LIBCPP_UNREACHABLE();
- }
-
-private:
- _Path __p_;
- __cached_data __data_;
-};
-
-class __dir_element_proxy {
-public:
- inline _LIBCPP_INLINE_VISIBILITY directory_entry operator*() {
- return _VSTD::move(__elem_);
- }
-
-private:
- friend class directory_iterator;
- friend class recursive_directory_iterator;
- explicit __dir_element_proxy(directory_entry const& __e) : __elem_(__e) {}
- __dir_element_proxy(__dir_element_proxy&& __o)
- : __elem_(_VSTD::move(__o.__elem_)) {}
- directory_entry __elem_;
-};
-
-class directory_iterator {
-public:
- typedef directory_entry value_type;
- typedef ptrdiff_t difference_type;
- typedef value_type const* pointer;
- typedef value_type const& reference;
- typedef input_iterator_tag iterator_category;
-
-public:
- //ctor & dtor
- directory_iterator() noexcept {}
-
- explicit directory_iterator(const path& __p)
- : directory_iterator(__p, nullptr) {}
-
- directory_iterator(const path& __p, directory_options __opts)
- : directory_iterator(__p, nullptr, __opts) {}
-
- directory_iterator(const path& __p, error_code& __ec)
- : directory_iterator(__p, &__ec) {}
-
- directory_iterator(const path& __p, directory_options __opts,
- error_code& __ec)
- : directory_iterator(__p, &__ec, __opts) {}
-
- directory_iterator(const directory_iterator&) = default;
- directory_iterator(directory_iterator&&) = default;
- directory_iterator& operator=(const directory_iterator&) = default;
-
- directory_iterator& operator=(directory_iterator&& __o) noexcept {
- // non-default implementation provided to support self-move assign.
- if (this != &__o) {
- __imp_ = _VSTD::move(__o.__imp_);
- }
- return *this;
- }
-
- ~directory_iterator() = default;
-
- const directory_entry& operator*() const {
- _LIBCPP_ASSERT(__imp_, "The end iterator cannot be dereferenced");
- return __dereference();
- }
-
- const directory_entry* operator->() const { return &**this; }
-
- directory_iterator& operator++() { return __increment(); }
-
- __dir_element_proxy operator++(int) {
- __dir_element_proxy __p(**this);
- __increment();
- return __p;
- }
-
- directory_iterator& increment(error_code& __ec) { return __increment(&__ec); }
-
-private:
- inline _LIBCPP_INLINE_VISIBILITY friend bool
- operator==(const directory_iterator& __lhs,
- const directory_iterator& __rhs) noexcept;
-
- // construct the dir_stream
- _LIBCPP_FUNC_VIS
- directory_iterator(const path&, error_code*,
- directory_options = directory_options::none);
-
- _LIBCPP_FUNC_VIS
- directory_iterator& __increment(error_code* __ec = nullptr);
-
- _LIBCPP_FUNC_VIS
- const directory_entry& __dereference() const;
-
-private:
- shared_ptr<__dir_stream> __imp_;
-};
-
-inline _LIBCPP_INLINE_VISIBILITY bool
-operator==(const directory_iterator& __lhs,
- const directory_iterator& __rhs) noexcept {
- return __lhs.__imp_ == __rhs.__imp_;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY bool
-operator!=(const directory_iterator& __lhs,
- const directory_iterator& __rhs) noexcept {
- return !(__lhs == __rhs);
-}
-
-// enable directory_iterator range-based for statements
-inline _LIBCPP_INLINE_VISIBILITY directory_iterator
-begin(directory_iterator __iter) noexcept {
- return __iter;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY directory_iterator
-end(const directory_iterator&) noexcept {
- return directory_iterator();
-}
-
-class recursive_directory_iterator {
-public:
- using value_type = directory_entry;
- using difference_type = std::ptrdiff_t;
- using pointer = directory_entry const*;
- using reference = directory_entry const&;
- using iterator_category = std::input_iterator_tag;
-
-public:
- // constructors and destructor
- _LIBCPP_INLINE_VISIBILITY
- recursive_directory_iterator() noexcept : __rec_(false) {}
-
- _LIBCPP_INLINE_VISIBILITY
- explicit recursive_directory_iterator(
- const path& __p, directory_options __xoptions = directory_options::none)
- : recursive_directory_iterator(__p, __xoptions, nullptr) {}
-
- _LIBCPP_INLINE_VISIBILITY
- recursive_directory_iterator(const path& __p, directory_options __xoptions,
- error_code& __ec)
- : recursive_directory_iterator(__p, __xoptions, &__ec) {}
-
- _LIBCPP_INLINE_VISIBILITY
- recursive_directory_iterator(const path& __p, error_code& __ec)
- : recursive_directory_iterator(__p, directory_options::none, &__ec) {}
-
- recursive_directory_iterator(const recursive_directory_iterator&) = default;
- recursive_directory_iterator(recursive_directory_iterator&&) = default;
-
- recursive_directory_iterator&
- operator=(const recursive_directory_iterator&) = default;
-
- _LIBCPP_INLINE_VISIBILITY
- recursive_directory_iterator&
- operator=(recursive_directory_iterator&& __o) noexcept {
- // non-default implementation provided to support self-move assign.
- if (this != &__o) {
- __imp_ = _VSTD::move(__o.__imp_);
- __rec_ = __o.__rec_;
- }
- return *this;
- }
-
- ~recursive_directory_iterator() = default;
-
- _LIBCPP_INLINE_VISIBILITY
- const directory_entry& operator*() const { return __dereference(); }
-
- _LIBCPP_INLINE_VISIBILITY
- const directory_entry* operator->() const { return &__dereference(); }
-
- recursive_directory_iterator& operator++() { return __increment(); }
-
- _LIBCPP_INLINE_VISIBILITY
- __dir_element_proxy operator++(int) {
- __dir_element_proxy __p(**this);
- __increment();
- return __p;
- }
-
- _LIBCPP_INLINE_VISIBILITY
- recursive_directory_iterator& increment(error_code& __ec) {
- return __increment(&__ec);
- }
-
- _LIBCPP_FUNC_VIS directory_options options() const;
- _LIBCPP_FUNC_VIS int depth() const;
-
- _LIBCPP_INLINE_VISIBILITY
- void pop() { __pop(); }
-
- _LIBCPP_INLINE_VISIBILITY
- void pop(error_code& __ec) { __pop(&__ec); }
-
- _LIBCPP_INLINE_VISIBILITY
- bool recursion_pending() const { return __rec_; }
-
- _LIBCPP_INLINE_VISIBILITY
- void disable_recursion_pending() { __rec_ = false; }
-
-private:
- recursive_directory_iterator(const path& __p, directory_options __opt,
- error_code* __ec);
-
- _LIBCPP_FUNC_VIS
- const directory_entry& __dereference() const;
-
- _LIBCPP_FUNC_VIS
- bool __try_recursion(error_code* __ec);
-
- _LIBCPP_FUNC_VIS
- void __advance(error_code* __ec = nullptr);
-
- _LIBCPP_FUNC_VIS
- recursive_directory_iterator& __increment(error_code* __ec = nullptr);
-
- _LIBCPP_FUNC_VIS
- void __pop(error_code* __ec = nullptr);
-
- inline _LIBCPP_INLINE_VISIBILITY friend bool
- operator==(const recursive_directory_iterator&,
- const recursive_directory_iterator&) noexcept;
-
- struct __shared_imp;
- shared_ptr<__shared_imp> __imp_;
- bool __rec_;
-}; // class recursive_directory_iterator
-
-inline _LIBCPP_INLINE_VISIBILITY bool
-operator==(const recursive_directory_iterator& __lhs,
- const recursive_directory_iterator& __rhs) noexcept {
- return __lhs.__imp_ == __rhs.__imp_;
-}
-
-_LIBCPP_INLINE_VISIBILITY
-inline bool operator!=(const recursive_directory_iterator& __lhs,
- const recursive_directory_iterator& __rhs) noexcept {
- return !(__lhs == __rhs);
-}
-// enable recursive_directory_iterator range-based for statements
-inline _LIBCPP_INLINE_VISIBILITY recursive_directory_iterator
-begin(recursive_directory_iterator __iter) noexcept {
- return __iter;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY recursive_directory_iterator
-end(const recursive_directory_iterator&) noexcept {
- return recursive_directory_iterator();
-}
-
-} // namespace android::hardware::automotive::filesystem
-#ifdef _LIBAUTO_UNDEF_VSTD
-#undef _VSTD
-#undef _LIBAUTO_UNDEF_VSTD
-#endif
-
-#ifndef _LIBAUTO_UNDEF_VSTD_FS
-#pragma pop_macro("_VSTD_FS")
-#else
-#undef _VSTD
-#undef _LIBAUTO_UNDEF_VSTD_FS
-#endif
-
-#endif // !_LIBCPP_CXX03_LANG
-
-_LIBCPP_POP_MACROS
-
-#endif // defined(_LIBCPP_VERSION) && _LIBCPP_VERSION > 8000
-
-#endif // _LIBAUTO_FILESYSTEM
diff --git a/automotive/can/1.0/default/libc++fs/src/filesystem/directory_iterator.cpp b/automotive/can/1.0/default/libc++fs/src/filesystem/directory_iterator.cpp
deleted file mode 100644
index 0dbf492..0000000
--- a/automotive/can/1.0/default/libc++fs/src/filesystem/directory_iterator.cpp
+++ /dev/null
@@ -1,405 +0,0 @@
-//===------------------ directory_iterator.cpp ----------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// TODO(152067309): Remove this once the libc++ upgrade is complete.
-#include <__config>
-#if defined(_LIBCPP_VERSION) && _LIBCPP_VERSION <= 8000
-
-/* clang-format off */
-#include "automotive/filesystem"
-#include <__config>
-
-#if defined(_LIBCPP_WIN32API)
-#define WIN32_LEAN_AND_MEAN
-#include <Windows.h>
-#else
-#include <dirent.h>
-#endif
-#include <errno.h>
-
-#include "filesystem_common.h"
-
-namespace android::hardware::automotive::filesystem {
-
-namespace detail {
-namespace {
-
-#if !defined(_LIBCPP_WIN32API)
-template <class DirEntT, class = decltype(DirEntT::d_type)>
-static file_type get_file_type(DirEntT* ent, int) {
- switch (ent->d_type) {
- case DT_BLK:
- return file_type::block;
- case DT_CHR:
- return file_type::character;
- case DT_DIR:
- return file_type::directory;
- case DT_FIFO:
- return file_type::fifo;
- case DT_LNK:
- return file_type::symlink;
- case DT_REG:
- return file_type::regular;
- case DT_SOCK:
- return file_type::socket;
- // Unlike in lstat, hitting "unknown" here simply means that the underlying
- // filesystem doesn't support d_type. Report is as 'none' so we correctly
- // set the cache to empty.
- case DT_UNKNOWN:
- break;
- }
- return file_type::none;
-}
-
-template <class DirEntT>
-static file_type get_file_type(DirEntT* ent, long) {
- return file_type::none;
-}
-
-static pair<string_view, file_type> posix_readdir(DIR* dir_stream,
- error_code& ec) {
- struct dirent* dir_entry_ptr = nullptr;
- errno = 0; // zero errno in order to detect errors
- ec.clear();
- if ((dir_entry_ptr = ::readdir(dir_stream)) == nullptr) {
- if (errno)
- ec = capture_errno();
- return {};
- } else {
- return {dir_entry_ptr->d_name, get_file_type(dir_entry_ptr, 0)};
- }
-}
-#else
-
-static file_type get_file_type(const WIN32_FIND_DATA& data) {
- //auto attrs = data.dwFileAttributes;
- // FIXME(EricWF)
- return file_type::unknown;
-}
-static uintmax_t get_file_size(const WIN32_FIND_DATA& data) {
- return (data.nFileSizeHight * (MAXDWORD + 1)) + data.nFileSizeLow;
-}
-static file_time_type get_write_time(const WIN32_FIND_DATA& data) {
- ULARGE_INTEGER tmp;
- FILETIME& time = data.ftLastWriteTime;
- tmp.u.LowPart = time.dwLowDateTime;
- tmp.u.HighPart = time.dwHighDateTime;
- return file_time_type(file_time_type::duration(time.QuadPart));
-}
-
-#endif
-
-} // namespace
-} // namespace detail
-
-using detail::ErrorHandler;
-
-#if defined(_LIBCPP_WIN32API)
-class __dir_stream {
-public:
- __dir_stream() = delete;
- __dir_stream& operator=(const __dir_stream&) = delete;
-
- __dir_stream(__dir_stream&& __ds) noexcept : __stream_(__ds.__stream_),
- __root_(move(__ds.__root_)),
- __entry_(move(__ds.__entry_)) {
- __ds.__stream_ = INVALID_HANDLE_VALUE;
- }
-
- __dir_stream(const path& root, directory_options opts, error_code& ec)
- : __stream_(INVALID_HANDLE_VALUE), __root_(root) {
- __stream_ = ::FindFirstFileEx(root.c_str(), &__data_);
- if (__stream_ == INVALID_HANDLE_VALUE) {
- ec = error_code(::GetLastError(), generic_category());
- const bool ignore_permission_denied =
- bool(opts & directory_options::skip_permission_denied);
- if (ignore_permission_denied && ec.value() == ERROR_ACCESS_DENIED)
- ec.clear();
- return;
- }
- }
-
- ~__dir_stream() noexcept {
- if (__stream_ == INVALID_HANDLE_VALUE)
- return;
- close();
- }
-
- bool good() const noexcept { return __stream_ != INVALID_HANDLE_VALUE; }
-
- bool advance(error_code& ec) {
- while (::FindNextFile(__stream_, &__data_)) {
- if (!strcmp(__data_.cFileName, ".") || strcmp(__data_.cFileName, ".."))
- continue;
- // FIXME: Cache more of this
- //directory_entry::__cached_data cdata;
- //cdata.__type_ = get_file_type(__data_);
- //cdata.__size_ = get_file_size(__data_);
- //cdata.__write_time_ = get_write_time(__data_);
- __entry_.__assign_iter_entry(
- __root_ / __data_.cFileName,
- directory_entry::__create_iter_result(get_file_type(__data)));
- return true;
- }
- ec = error_code(::GetLastError(), generic_category());
- close();
- return false;
- }
-
-private:
- error_code close() noexcept {
- error_code ec;
- if (!::FindClose(__stream_))
- ec = error_code(::GetLastError(), generic_category());
- __stream_ = INVALID_HANDLE_VALUE;
- return ec;
- }
-
- HANDLE __stream_{INVALID_HANDLE_VALUE};
- WIN32_FIND_DATA __data_;
-
-public:
- path __root_;
- directory_entry __entry_;
-};
-#else
-class __dir_stream {
-public:
- __dir_stream() = delete;
- __dir_stream& operator=(const __dir_stream&) = delete;
-
- __dir_stream(__dir_stream&& other) noexcept : __stream_(other.__stream_),
- __root_(std::move(other.__root_)),
- __entry_(std::move(other.__entry_)) {
- other.__stream_ = nullptr;
- }
-
- __dir_stream(const path& root, directory_options opts, error_code& ec)
- : __stream_(nullptr), __root_(root) {
- if ((__stream_ = ::opendir(root.c_str())) == nullptr) {
- ec = detail::capture_errno();
- const bool allow_eacess =
- bool(opts & directory_options::skip_permission_denied);
- if (allow_eacess && ec.value() == EACCES)
- ec.clear();
- return;
- }
- advance(ec);
- }
-
- ~__dir_stream() noexcept {
- if (__stream_)
- close();
- }
-
- bool good() const noexcept { return __stream_ != nullptr; }
-
- bool advance(error_code& ec) {
- while (true) {
- auto str_type_pair = detail::posix_readdir(__stream_, ec);
- auto& str = str_type_pair.first;
- if (str == "." || str == "..") {
- continue;
- } else if (ec || str.empty()) {
- close();
- return false;
- } else {
- __entry_.__assign_iter_entry(
- __root_ / str,
- directory_entry::__create_iter_result(str_type_pair.second));
- return true;
- }
- }
- }
-
-private:
- error_code close() noexcept {
- error_code m_ec;
- if (::closedir(__stream_) == -1)
- m_ec = detail::capture_errno();
- __stream_ = nullptr;
- return m_ec;
- }
-
- DIR* __stream_{nullptr};
-
-public:
- path __root_;
- directory_entry __entry_;
-};
-#endif
-
-// directory_iterator
-
-directory_iterator::directory_iterator(const path& p, error_code* ec,
- directory_options opts) {
- ErrorHandler<void> err("directory_iterator::directory_iterator(...)", ec, &p);
-
- error_code m_ec;
- __imp_ = make_shared<__dir_stream>(p, opts, m_ec);
- if (ec)
- *ec = m_ec;
- if (!__imp_->good()) {
- __imp_.reset();
- if (m_ec)
- err.report(m_ec);
- }
-}
-
-directory_iterator& directory_iterator::__increment(error_code* ec) {
- _LIBCPP_ASSERT(__imp_, "Attempting to increment an invalid iterator");
- ErrorHandler<void> err("directory_iterator::operator++()", ec);
-
- error_code m_ec;
- if (!__imp_->advance(m_ec)) {
- path root = std::move(__imp_->__root_);
- __imp_.reset();
- if (m_ec)
- err.report(m_ec, "at root \"%s\"", root);
- }
- return *this;
-}
-
-directory_entry const& directory_iterator::__dereference() const {
- _LIBCPP_ASSERT(__imp_, "Attempting to dereference an invalid iterator");
- return __imp_->__entry_;
-}
-
-// recursive_directory_iterator
-
-struct recursive_directory_iterator::__shared_imp {
- stack<__dir_stream> __stack_;
- directory_options __options_;
-};
-
-recursive_directory_iterator::recursive_directory_iterator(
- const path& p, directory_options opt, error_code* ec)
- : __imp_(nullptr), __rec_(true) {
- ErrorHandler<void> err("recursive_directory_iterator", ec, &p);
-
- error_code m_ec;
- __dir_stream new_s(p, opt, m_ec);
- if (m_ec)
- err.report(m_ec);
- if (m_ec || !new_s.good())
- return;
-
- __imp_ = make_shared<__shared_imp>();
- __imp_->__options_ = opt;
- __imp_->__stack_.push(std::move(new_s));
-}
-
-void recursive_directory_iterator::__pop(error_code* ec) {
- _LIBCPP_ASSERT(__imp_, "Popping the end iterator");
- if (ec)
- ec->clear();
- __imp_->__stack_.pop();
- if (__imp_->__stack_.size() == 0)
- __imp_.reset();
- else
- __advance(ec);
-}
-
-directory_options recursive_directory_iterator::options() const {
- return __imp_->__options_;
-}
-
-int recursive_directory_iterator::depth() const {
- return __imp_->__stack_.size() - 1;
-}
-
-const directory_entry& recursive_directory_iterator::__dereference() const {
- return __imp_->__stack_.top().__entry_;
-}
-
-recursive_directory_iterator&
-recursive_directory_iterator::__increment(error_code* ec) {
- if (ec)
- ec->clear();
- if (recursion_pending()) {
- if (__try_recursion(ec) || (ec && *ec))
- return *this;
- }
- __rec_ = true;
- __advance(ec);
- return *this;
-}
-
-void recursive_directory_iterator::__advance(error_code* ec) {
- ErrorHandler<void> err("recursive_directory_iterator::operator++()", ec);
-
- const directory_iterator end_it;
- auto& stack = __imp_->__stack_;
- error_code m_ec;
- while (stack.size() > 0) {
- if (stack.top().advance(m_ec))
- return;
- if (m_ec)
- break;
- stack.pop();
- }
-
- if (m_ec) {
- path root = std::move(stack.top().__root_);
- __imp_.reset();
- err.report(m_ec, "at root \"%s\"", root);
- } else {
- __imp_.reset();
- }
-}
-
-bool recursive_directory_iterator::__try_recursion(error_code* ec) {
- ErrorHandler<void> err("recursive_directory_iterator::operator++()", ec);
-
- bool rec_sym = bool(options() & directory_options::follow_directory_symlink);
-
- auto& curr_it = __imp_->__stack_.top();
-
- bool skip_rec = false;
- error_code m_ec;
- if (!rec_sym) {
- file_status st(curr_it.__entry_.__get_sym_ft(&m_ec));
- if (m_ec && status_known(st))
- m_ec.clear();
- if (m_ec || is_symlink(st) || !is_directory(st))
- skip_rec = true;
- } else {
- file_status st(curr_it.__entry_.__get_ft(&m_ec));
- if (m_ec && status_known(st))
- m_ec.clear();
- if (m_ec || !is_directory(st))
- skip_rec = true;
- }
-
- if (!skip_rec) {
- __dir_stream new_it(curr_it.__entry_.path(), __imp_->__options_, m_ec);
- if (new_it.good()) {
- __imp_->__stack_.push(std::move(new_it));
- return true;
- }
- }
- if (m_ec) {
- const bool allow_eacess =
- bool(__imp_->__options_ & directory_options::skip_permission_denied);
- if (m_ec.value() == EACCES && allow_eacess) {
- if (ec)
- ec->clear();
- } else {
- path at_ent = std::move(curr_it.__entry_.__p_);
- __imp_.reset();
- err.report(m_ec, "attempting recursion into \"%s\"", at_ent);
- }
- }
- return false;
-}
-
-} // namespace android::hardware::automotive::filesystem
-/* clang-format on */
-
-#endif // defined(_LIBCPP_VERSION) && _LIBCPP_VERSION <= 8000
diff --git a/automotive/can/1.0/default/libc++fs/src/filesystem/filesystem_common.h b/automotive/can/1.0/default/libc++fs/src/filesystem/filesystem_common.h
deleted file mode 100644
index 4f44661..0000000
--- a/automotive/can/1.0/default/libc++fs/src/filesystem/filesystem_common.h
+++ /dev/null
@@ -1,441 +0,0 @@
-//===----------------------------------------------------------------------===////
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===////
-/* clang-format off */
-#ifndef AUTO_FILESYSTEM_COMMON_H
-#define AUTO_FILESYSTEM_COMMON_H
-
-#include "automotive/filesystem"
-#include <array>
-#include <chrono>
-#include <cstdlib>
-#include <climits>
-
-#include <unistd.h>
-#include <sys/stat.h>
-#include <sys/statvfs.h>
-#include <sys/time.h> // for ::utimes as used in __last_write_time
-#include <fcntl.h> /* values for fchmodat */
-
-#if !defined(__APPLE__)
-// We can use the presence of UTIME_OMIT to detect platforms that provide
-// utimensat.
-#if defined(UTIME_OMIT)
-#define _LIBCPP_USE_UTIMENSAT
-#endif
-#endif
-
-#if defined(__GNUC__)
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wunused-function"
-#endif
-
-namespace android::hardware::automotive::filesystem {
-using namespace std::chrono;
-
-using std::error_code;
-using std::is_floating_point;
-using std::micro;
-using std::nano;
-using std::ratio;
-
-namespace detail {
-namespace {
-
-static string format_string_imp(const char* msg, ...) {
- // we might need a second shot at this, so pre-emptivly make a copy
- struct GuardVAList {
- va_list& target;
- bool active = true;
- GuardVAList(va_list& target) : target(target), active(true) {}
- void clear() {
- if (active)
- va_end(target);
- active = false;
- }
- ~GuardVAList() {
- if (active)
- va_end(target);
- }
- };
- va_list args;
- va_start(args, msg);
- GuardVAList args_guard(args);
-
- va_list args_cp;
- va_copy(args_cp, args);
- GuardVAList args_copy_guard(args_cp);
-
- std::string result;
-
- array<char, 256> local_buff;
- size_t size_with_null = local_buff.size();
- auto ret = ::vsnprintf(local_buff.data(), size_with_null, msg, args_cp);
-
- args_copy_guard.clear();
-
- // handle empty expansion
- if (ret == 0)
- return result;
- if (static_cast<size_t>(ret) < size_with_null) {
- result.assign(local_buff.data(), static_cast<size_t>(ret));
- return result;
- }
-
- // we did not provide a long enough buffer on our first attempt. The
- // return value is the number of bytes (excluding the null byte) that are
- // needed for formatting.
- size_with_null = static_cast<size_t>(ret) + 1;
- result.__resize_default_init(size_with_null - 1);
- ret = ::vsnprintf(&result[0], size_with_null, msg, args);
- _LIBCPP_ASSERT(static_cast<size_t>(ret) == (size_with_null - 1), "TODO");
-
- return result;
-}
-
-const char* unwrap(string const& s) { return s.c_str(); }
-const char* unwrap(path const& p) { return p.native().c_str(); }
-template <class Arg>
-Arg const& unwrap(Arg const& a) {
- static_assert(!is_class<Arg>::value, "cannot pass class here");
- return a;
-}
-
-template <class... Args>
-string format_string(const char* fmt, Args const&... args) {
- return format_string_imp(fmt, unwrap(args)...);
-}
-
-error_code capture_errno() {
- _LIBCPP_ASSERT(errno, "Expected errno to be non-zero");
- return error_code(errno, generic_category());
-}
-
-template <class T>
-T error_value();
-template <>
-_LIBCPP_CONSTEXPR_AFTER_CXX11 void error_value<void>() {}
-template <>
-bool error_value<bool>() {
- return false;
-}
-template <>
-uintmax_t error_value<uintmax_t>() {
- return uintmax_t(-1);
-}
-template <>
-_LIBCPP_CONSTEXPR_AFTER_CXX11 file_time_type error_value<file_time_type>() {
- return file_time_type::min();
-}
-template <>
-path error_value<path>() {
- return {};
-}
-
-template <class T>
-struct ErrorHandler {
- const char* func_name;
- error_code* ec = nullptr;
- const path* p1 = nullptr;
- const path* p2 = nullptr;
-
- ErrorHandler(const char* fname, error_code* ec, const path* p1 = nullptr,
- const path* p2 = nullptr)
- : func_name(fname), ec(ec), p1(p1), p2(p2) {
- if (ec)
- ec->clear();
- }
-
- T report(const error_code& m_ec) const {
- if (ec) {
- *ec = m_ec;
- return error_value<T>();
- }
- string what = string("in ") + func_name;
- switch (bool(p1) + bool(p2)) {
- case 0:
- __throw_filesystem_error(what, m_ec);
- case 1:
- __throw_filesystem_error(what, *p1, m_ec);
- case 2:
- __throw_filesystem_error(what, *p1, *p2, m_ec);
- }
- _LIBCPP_UNREACHABLE();
- }
-
- template <class... Args>
- T report(const error_code& m_ec, const char* msg, Args const&... args) const {
- if (ec) {
- *ec = m_ec;
- return error_value<T>();
- }
- string what =
- string("in ") + func_name + ": " + format_string(msg, args...);
- switch (bool(p1) + bool(p2)) {
- case 0:
- __throw_filesystem_error(what, m_ec);
- case 1:
- __throw_filesystem_error(what, *p1, m_ec);
- case 2:
- __throw_filesystem_error(what, *p1, *p2, m_ec);
- }
- _LIBCPP_UNREACHABLE();
- }
-
- T report(errc const& err) const { return report(make_error_code(err)); }
-
- template <class... Args>
- T report(errc const& err, const char* msg, Args const&... args) const {
- return report(make_error_code(err), msg, args...);
- }
-
-private:
- ErrorHandler(ErrorHandler const&) = delete;
- ErrorHandler& operator=(ErrorHandler const&) = delete;
-};
-
-using chrono::duration;
-using chrono::duration_cast;
-
-using TimeSpec = struct ::timespec;
-using StatT = struct ::stat;
-
-template <class FileTimeT, class TimeT,
- bool IsFloat = is_floating_point<typename FileTimeT::rep>::value>
-struct time_util_base {
- using rep = typename FileTimeT::rep;
- using fs_duration = typename FileTimeT::duration;
- using fs_seconds = duration<rep>;
- using fs_nanoseconds = duration<rep, nano>;
- using fs_microseconds = duration<rep, micro>;
-
- static constexpr rep max_seconds =
- duration_cast<fs_seconds>(FileTimeT::duration::max()).count();
-
- static constexpr rep max_nsec =
- duration_cast<fs_nanoseconds>(FileTimeT::duration::max() -
- fs_seconds(max_seconds))
- .count();
-
- static constexpr rep min_seconds =
- duration_cast<fs_seconds>(FileTimeT::duration::min()).count();
-
- static constexpr rep min_nsec_timespec =
- duration_cast<fs_nanoseconds>(
- (FileTimeT::duration::min() - fs_seconds(min_seconds)) +
- fs_seconds(1))
- .count();
-
-private:
-#if _LIBCPP_STD_VER > 11 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR)
- static constexpr fs_duration get_min_nsecs() {
- return duration_cast<fs_duration>(
- fs_nanoseconds(min_nsec_timespec) -
- duration_cast<fs_nanoseconds>(fs_seconds(1)));
- }
- // Static assert that these values properly round trip.
- static_assert(fs_seconds(min_seconds) + get_min_nsecs() ==
- FileTimeT::duration::min(),
- "value doesn't roundtrip");
-
- static constexpr bool check_range() {
- // This kinda sucks, but it's what happens when we don't have __int128_t.
- if (sizeof(TimeT) == sizeof(rep)) {
- typedef duration<long long, ratio<3600 * 24 * 365> > Years;
- return duration_cast<Years>(fs_seconds(max_seconds)) > Years(250) &&
- duration_cast<Years>(fs_seconds(min_seconds)) < Years(-250);
- }
- return max_seconds >= numeric_limits<TimeT>::max() &&
- min_seconds <= numeric_limits<TimeT>::min();
- }
- static_assert(check_range(), "the representable range is unacceptable small");
-#endif
-};
-
-template <class FileTimeT, class TimeT>
-struct time_util_base<FileTimeT, TimeT, true> {
- using rep = typename FileTimeT::rep;
- using fs_duration = typename FileTimeT::duration;
- using fs_seconds = duration<rep>;
- using fs_nanoseconds = duration<rep, nano>;
- using fs_microseconds = duration<rep, micro>;
-
- static const rep max_seconds;
- static const rep max_nsec;
- static const rep min_seconds;
- static const rep min_nsec_timespec;
-};
-
-template <class FileTimeT, class TimeT>
-const typename FileTimeT::rep
- time_util_base<FileTimeT, TimeT, true>::max_seconds =
- duration_cast<fs_seconds>(FileTimeT::duration::max()).count();
-
-template <class FileTimeT, class TimeT>
-const typename FileTimeT::rep time_util_base<FileTimeT, TimeT, true>::max_nsec =
- duration_cast<fs_nanoseconds>(FileTimeT::duration::max() -
- fs_seconds(max_seconds))
- .count();
-
-template <class FileTimeT, class TimeT>
-const typename FileTimeT::rep
- time_util_base<FileTimeT, TimeT, true>::min_seconds =
- duration_cast<fs_seconds>(FileTimeT::duration::min()).count();
-
-template <class FileTimeT, class TimeT>
-const typename FileTimeT::rep
- time_util_base<FileTimeT, TimeT, true>::min_nsec_timespec =
- duration_cast<fs_nanoseconds>((FileTimeT::duration::min() -
- fs_seconds(min_seconds)) +
- fs_seconds(1))
- .count();
-
-template <class FileTimeT, class TimeT, class TimeSpecT>
-struct time_util : time_util_base<FileTimeT, TimeT> {
- using Base = time_util_base<FileTimeT, TimeT>;
- using Base::max_nsec;
- using Base::max_seconds;
- using Base::min_nsec_timespec;
- using Base::min_seconds;
-
- using typename Base::fs_duration;
- using typename Base::fs_microseconds;
- using typename Base::fs_nanoseconds;
- using typename Base::fs_seconds;
-
-public:
- template <class CType, class ChronoType>
- static _LIBCPP_CONSTEXPR_AFTER_CXX11 bool checked_set(CType* out,
- ChronoType time) {
- using Lim = numeric_limits<CType>;
- if (time > Lim::max() || time < Lim::min())
- return false;
- *out = static_cast<CType>(time);
- return true;
- }
-
- static _LIBCPP_CONSTEXPR_AFTER_CXX11 bool is_representable(TimeSpecT tm) {
- if (tm.tv_sec >= 0) {
- return tm.tv_sec < max_seconds ||
- (tm.tv_sec == max_seconds && tm.tv_nsec <= max_nsec);
- } else if (tm.tv_sec == (min_seconds - 1)) {
- return tm.tv_nsec >= min_nsec_timespec;
- } else {
- return tm.tv_sec >= min_seconds;
- }
- }
-
- static _LIBCPP_CONSTEXPR_AFTER_CXX11 bool is_representable(FileTimeT tm) {
- auto secs = duration_cast<fs_seconds>(tm.time_since_epoch());
- auto nsecs = duration_cast<fs_nanoseconds>(tm.time_since_epoch() - secs);
- if (nsecs.count() < 0) {
- secs = secs + fs_seconds(1);
- nsecs = nsecs + fs_seconds(1);
- }
- using TLim = numeric_limits<TimeT>;
- if (secs.count() >= 0)
- return secs.count() <= TLim::max();
- return secs.count() >= TLim::min();
- }
-
- static _LIBCPP_CONSTEXPR_AFTER_CXX11 FileTimeT
- convert_from_timespec(TimeSpecT tm) {
- if (tm.tv_sec >= 0 || tm.tv_nsec == 0) {
- return FileTimeT(fs_seconds(tm.tv_sec) +
- duration_cast<fs_duration>(fs_nanoseconds(tm.tv_nsec)));
- } else { // tm.tv_sec < 0
- auto adj_subsec = duration_cast<fs_duration>(fs_seconds(1) -
- fs_nanoseconds(tm.tv_nsec));
- auto Dur = fs_seconds(tm.tv_sec + 1) - adj_subsec;
- return FileTimeT(Dur);
- }
- }
-
- template <class SubSecT>
- static _LIBCPP_CONSTEXPR_AFTER_CXX11 bool
- set_times_checked(TimeT* sec_out, SubSecT* subsec_out, FileTimeT tp) {
- auto dur = tp.time_since_epoch();
- auto sec_dur = duration_cast<fs_seconds>(dur);
- auto subsec_dur = duration_cast<fs_nanoseconds>(dur - sec_dur);
- // The tv_nsec and tv_usec fields must not be negative so adjust accordingly
- if (subsec_dur.count() < 0) {
- if (sec_dur.count() > min_seconds) {
- sec_dur = sec_dur - fs_seconds(1);
- subsec_dur = subsec_dur + fs_seconds(1);
- } else {
- subsec_dur = fs_nanoseconds::zero();
- }
- }
- return checked_set(sec_out, sec_dur.count()) &&
- checked_set(subsec_out, subsec_dur.count());
- }
- static _LIBCPP_CONSTEXPR_AFTER_CXX11 bool convert_to_timespec(TimeSpecT& dest,
- FileTimeT tp) {
- if (!is_representable(tp))
- return false;
- return set_times_checked(&dest.tv_sec, &dest.tv_nsec, tp);
- }
-};
-
-using fs_time = time_util<file_time_type, time_t, TimeSpec>;
-
-#if defined(__APPLE__)
-TimeSpec extract_mtime(StatT const& st) { return st.st_mtimespec; }
-TimeSpec extract_atime(StatT const& st) { return st.st_atimespec; }
-#else
-TimeSpec extract_mtime(StatT const& st) { return st.st_mtim; }
-TimeSpec extract_atime(StatT const& st) { return st.st_atim; }
-#endif
-
-// allow the utimes implementation to compile even it we're not going
-// to use it.
-
-bool posix_utimes(const path& p, std::array<TimeSpec, 2> const& TS,
- error_code& ec) {
- using namespace chrono;
- auto Convert = [](long nsec) {
- using int_type = decltype(std::declval< ::timeval>().tv_usec);
- auto dur = duration_cast<microseconds>(nanoseconds(nsec)).count();
- return static_cast<int_type>(dur);
- };
- struct ::timeval ConvertedTS[2] = {{TS[0].tv_sec, Convert(TS[0].tv_nsec)},
- {TS[1].tv_sec, Convert(TS[1].tv_nsec)}};
- if (::utimes(p.c_str(), ConvertedTS) == -1) {
- ec = capture_errno();
- return true;
- }
- return false;
-}
-
-#if defined(_LIBCPP_USE_UTIMENSAT)
-bool posix_utimensat(const path& p, std::array<TimeSpec, 2> const& TS,
- error_code& ec) {
- if (::utimensat(AT_FDCWD, p.c_str(), TS.data(), 0) == -1) {
- ec = capture_errno();
- return true;
- }
- return false;
-}
-#endif
-
-bool set_file_times(const path& p, std::array<TimeSpec, 2> const& TS,
- error_code& ec) {
-#if !defined(_LIBCPP_USE_UTIMENSAT)
- return posix_utimes(p, TS, ec);
-#else
- return posix_utimensat(p, TS, ec);
-#endif
-}
-
-} // namespace
-} // end namespace detail
-
-} // namespace android::hardware::automotive::filesystem
-
-#endif // AUTO_FILESYSTEM_COMMON_H
-/* clang-format on */
diff --git a/automotive/can/1.0/default/libc++fs/src/filesystem/operations.cpp b/automotive/can/1.0/default/libc++fs/src/filesystem/operations.cpp
deleted file mode 100644
index 6a76bdc..0000000
--- a/automotive/can/1.0/default/libc++fs/src/filesystem/operations.cpp
+++ /dev/null
@@ -1,1780 +0,0 @@
-//===--------------------- filesystem/ops.cpp -----------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// TODO(152067309): Remove this once the libc++ upgrade is complete.
-#include <__config>
-#if defined(_LIBCPP_VERSION) && _LIBCPP_VERSION <= 8000
-
-/* clang-format off */
-#include "automotive/filesystem"
-#include <array>
-#include <iterator>
-#include <fstream>
-#include <random> /* for unique_path */
-#include <string_view>
-#include <type_traits>
-#include <vector>
-#include <cstdlib>
-#include <climits>
-
-#include "filesystem_common.h"
-
-#include <unistd.h>
-#include <sys/stat.h>
-#include <sys/statvfs.h>
-#include <time.h>
-#include <fcntl.h> /* values for fchmodat */
-
-#if defined(__linux__)
-#include <linux/version.h>
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 33)
-#include <sys/sendfile.h>
-#define _LIBCPP_USE_SENDFILE
-#endif
-#elif defined(__APPLE__) || __has_include(<copyfile.h>)
-#include <copyfile.h>
-#define _LIBCPP_USE_COPYFILE
-#endif
-
-#if !defined(__APPLE__)
-#define _LIBCPP_USE_CLOCK_GETTIME
-#endif
-
-#if !defined(CLOCK_REALTIME) || !defined(_LIBCPP_USE_CLOCK_GETTIME)
-#include <sys/time.h> // for gettimeofday and timeval
-#endif // !defined(CLOCK_REALTIME)
-
-#if defined(_LIBCPP_COMPILER_GCC)
-#if _GNUC_VER < 500
-#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
-#endif
-#endif
-
-namespace android::hardware::automotive::filesystem {
-
-#ifdef _VSTD_FS
-#pragma push_macro("_VSTD_FS")
-#else
-#define _LIBAUTO_UNDEF_VSTD_FS
-#endif
-#define _VSTD_FS android::hardware::automotive::filesystem
-
-namespace {
-namespace parser {
-
-using string_view_t = path::__string_view;
-using string_view_pair = pair<string_view_t, string_view_t>;
-using PosPtr = path::value_type const*;
-
-struct PathParser {
- enum ParserState : unsigned char {
- // Zero is a special sentinel value used by default constructed iterators.
- PS_BeforeBegin = path::iterator::_BeforeBegin,
- PS_InRootName = path::iterator::_InRootName,
- PS_InRootDir = path::iterator::_InRootDir,
- PS_InFilenames = path::iterator::_InFilenames,
- PS_InTrailingSep = path::iterator::_InTrailingSep,
- PS_AtEnd = path::iterator::_AtEnd
- };
-
- const string_view_t Path;
- string_view_t RawEntry;
- ParserState State;
-
-private:
- PathParser(string_view_t P, ParserState State) noexcept : Path(P),
- State(State) {}
-
-public:
- PathParser(string_view_t P, string_view_t E, unsigned char S)
- : Path(P), RawEntry(E), State(static_cast<ParserState>(S)) {
- // S cannot be '0' or PS_BeforeBegin.
- }
-
- static PathParser CreateBegin(string_view_t P) noexcept {
- PathParser PP(P, PS_BeforeBegin);
- PP.increment();
- return PP;
- }
-
- static PathParser CreateEnd(string_view_t P) noexcept {
- PathParser PP(P, PS_AtEnd);
- return PP;
- }
-
- PosPtr peek() const noexcept {
- auto TkEnd = getNextTokenStartPos();
- auto End = getAfterBack();
- return TkEnd == End ? nullptr : TkEnd;
- }
-
- void increment() noexcept {
- const PosPtr End = getAfterBack();
- const PosPtr Start = getNextTokenStartPos();
- if (Start == End)
- return makeState(PS_AtEnd);
-
- switch (State) {
- case PS_BeforeBegin: {
- PosPtr TkEnd = consumeSeparator(Start, End);
- if (TkEnd)
- return makeState(PS_InRootDir, Start, TkEnd);
- else
- return makeState(PS_InFilenames, Start, consumeName(Start, End));
- }
- case PS_InRootDir:
- return makeState(PS_InFilenames, Start, consumeName(Start, End));
-
- case PS_InFilenames: {
- PosPtr SepEnd = consumeSeparator(Start, End);
- if (SepEnd != End) {
- PosPtr TkEnd = consumeName(SepEnd, End);
- if (TkEnd)
- return makeState(PS_InFilenames, SepEnd, TkEnd);
- }
- return makeState(PS_InTrailingSep, Start, SepEnd);
- }
-
- case PS_InTrailingSep:
- return makeState(PS_AtEnd);
-
- case PS_InRootName:
- case PS_AtEnd:
- _LIBCPP_UNREACHABLE();
- }
- }
-
- void decrement() noexcept {
- const PosPtr REnd = getBeforeFront();
- const PosPtr RStart = getCurrentTokenStartPos() - 1;
- if (RStart == REnd) // we're decrementing the begin
- return makeState(PS_BeforeBegin);
-
- switch (State) {
- case PS_AtEnd: {
- // Try to consume a trailing separator or root directory first.
- if (PosPtr SepEnd = consumeSeparator(RStart, REnd)) {
- if (SepEnd == REnd)
- return makeState(PS_InRootDir, Path.data(), RStart + 1);
- return makeState(PS_InTrailingSep, SepEnd + 1, RStart + 1);
- } else {
- PosPtr TkStart = consumeName(RStart, REnd);
- return makeState(PS_InFilenames, TkStart + 1, RStart + 1);
- }
- }
- case PS_InTrailingSep:
- return makeState(PS_InFilenames, consumeName(RStart, REnd) + 1,
- RStart + 1);
- case PS_InFilenames: {
- PosPtr SepEnd = consumeSeparator(RStart, REnd);
- if (SepEnd == REnd)
- return makeState(PS_InRootDir, Path.data(), RStart + 1);
- PosPtr TkEnd = consumeName(SepEnd, REnd);
- return makeState(PS_InFilenames, TkEnd + 1, SepEnd + 1);
- }
- case PS_InRootDir:
- // return makeState(PS_InRootName, Path.data(), RStart + 1);
- case PS_InRootName:
- case PS_BeforeBegin:
- _LIBCPP_UNREACHABLE();
- }
- }
-
- /// \brief Return a view with the "preferred representation" of the current
- /// element. For example trailing separators are represented as a '.'
- string_view_t operator*() const noexcept {
- switch (State) {
- case PS_BeforeBegin:
- case PS_AtEnd:
- return "";
- case PS_InRootDir:
- return "/";
- case PS_InTrailingSep:
- return "";
- case PS_InRootName:
- case PS_InFilenames:
- return RawEntry;
- }
- _LIBCPP_UNREACHABLE();
- }
-
- explicit operator bool() const noexcept {
- return State != PS_BeforeBegin && State != PS_AtEnd;
- }
-
- PathParser& operator++() noexcept {
- increment();
- return *this;
- }
-
- PathParser& operator--() noexcept {
- decrement();
- return *this;
- }
-
- bool atEnd() const noexcept {
- return State == PS_AtEnd;
- }
-
- bool inRootDir() const noexcept {
- return State == PS_InRootDir;
- }
-
- bool inRootName() const noexcept {
- return State == PS_InRootName;
- }
-
- bool inRootPath() const noexcept {
- return inRootName() || inRootDir();
- }
-
-private:
- void makeState(ParserState NewState, PosPtr Start, PosPtr End) noexcept {
- State = NewState;
- RawEntry = string_view_t(Start, End - Start);
- }
- void makeState(ParserState NewState) noexcept {
- State = NewState;
- RawEntry = {};
- }
-
- PosPtr getAfterBack() const noexcept { return Path.data() + Path.size(); }
-
- PosPtr getBeforeFront() const noexcept { return Path.data() - 1; }
-
- /// \brief Return a pointer to the first character after the currently
- /// lexed element.
- PosPtr getNextTokenStartPos() const noexcept {
- switch (State) {
- case PS_BeforeBegin:
- return Path.data();
- case PS_InRootName:
- case PS_InRootDir:
- case PS_InFilenames:
- return &RawEntry.back() + 1;
- case PS_InTrailingSep:
- case PS_AtEnd:
- return getAfterBack();
- }
- _LIBCPP_UNREACHABLE();
- }
-
- /// \brief Return a pointer to the first character in the currently lexed
- /// element.
- PosPtr getCurrentTokenStartPos() const noexcept {
- switch (State) {
- case PS_BeforeBegin:
- case PS_InRootName:
- return &Path.front();
- case PS_InRootDir:
- case PS_InFilenames:
- case PS_InTrailingSep:
- return &RawEntry.front();
- case PS_AtEnd:
- return &Path.back() + 1;
- }
- _LIBCPP_UNREACHABLE();
- }
-
- PosPtr consumeSeparator(PosPtr P, PosPtr End) const noexcept {
- if (P == End || *P != '/')
- return nullptr;
- const int Inc = P < End ? 1 : -1;
- P += Inc;
- while (P != End && *P == '/')
- P += Inc;
- return P;
- }
-
- PosPtr consumeName(PosPtr P, PosPtr End) const noexcept {
- if (P == End || *P == '/')
- return nullptr;
- const int Inc = P < End ? 1 : -1;
- P += Inc;
- while (P != End && *P != '/')
- P += Inc;
- return P;
- }
-};
-
-string_view_pair separate_filename(string_view_t const& s) {
- if (s == "." || s == ".." || s.empty())
- return string_view_pair{s, ""};
- auto pos = s.find_last_of('.');
- if (pos == string_view_t::npos || pos == 0)
- return string_view_pair{s, string_view_t{}};
- return string_view_pair{s.substr(0, pos), s.substr(pos)};
-}
-
-string_view_t createView(PosPtr S, PosPtr E) noexcept {
- return {S, static_cast<size_t>(E - S) + 1};
-}
-
-} // namespace parser
-} // namespace
-
-// POSIX HELPERS
-
-namespace detail {
-namespace {
-
-using value_type = path::value_type;
-using string_type = path::string_type;
-
-struct FileDescriptor {
- const path& name;
- int fd = -1;
- StatT m_stat;
- file_status m_status;
-
- template <class... Args>
- static FileDescriptor create(const path* p, error_code& ec, Args... args) {
- ec.clear();
- int fd;
- if ((fd = ::open(p->c_str(), args...)) == -1) {
- ec = capture_errno();
- return FileDescriptor{p};
- }
- return FileDescriptor(p, fd);
- }
-
- template <class... Args>
- static FileDescriptor create_with_status(const path* p, error_code& ec,
- Args... args) {
- FileDescriptor fd = create(p, ec, args...);
- if (!ec)
- fd.refresh_status(ec);
-
- return fd;
- }
-
- file_status get_status() const { return m_status; }
- StatT const& get_stat() const { return m_stat; }
-
- bool status_known() const { return _VSTD_FS::status_known(m_status); }
-
- file_status refresh_status(error_code& ec);
-
- void close() noexcept {
- if (fd != -1)
- ::close(fd);
- fd = -1;
- }
-
- FileDescriptor(FileDescriptor&& other)
- : name(other.name), fd(other.fd), m_stat(other.m_stat),
- m_status(other.m_status) {
- other.fd = -1;
- other.m_status = file_status{};
- }
-
- ~FileDescriptor() { close(); }
-
- FileDescriptor(FileDescriptor const&) = delete;
- FileDescriptor& operator=(FileDescriptor const&) = delete;
-
-private:
- explicit FileDescriptor(const path* p, int fd = -1) : name(*p), fd(fd) {}
-};
-
-perms posix_get_perms(const StatT& st) noexcept {
- return static_cast<perms>(st.st_mode) & perms::mask;
-}
-
-::mode_t posix_convert_perms(perms prms) {
- return static_cast< ::mode_t>(prms & perms::mask);
-}
-
-file_status create_file_status(error_code& m_ec, path const& p,
- const StatT& path_stat, error_code* ec) {
- if (ec)
- *ec = m_ec;
- if (m_ec && (m_ec.value() == ENOENT || m_ec.value() == ENOTDIR)) {
- return file_status(file_type::not_found);
- } else if (m_ec) {
- ErrorHandler<void> err("posix_stat", ec, &p);
- err.report(m_ec, "failed to determine attributes for the specified path");
- return file_status(file_type::none);
- }
- // else
-
- file_status fs_tmp;
- auto const mode = path_stat.st_mode;
- if (S_ISLNK(mode))
- fs_tmp.type(file_type::symlink);
- else if (S_ISREG(mode))
- fs_tmp.type(file_type::regular);
- else if (S_ISDIR(mode))
- fs_tmp.type(file_type::directory);
- else if (S_ISBLK(mode))
- fs_tmp.type(file_type::block);
- else if (S_ISCHR(mode))
- fs_tmp.type(file_type::character);
- else if (S_ISFIFO(mode))
- fs_tmp.type(file_type::fifo);
- else if (S_ISSOCK(mode))
- fs_tmp.type(file_type::socket);
- else
- fs_tmp.type(file_type::unknown);
-
- fs_tmp.permissions(detail::posix_get_perms(path_stat));
- return fs_tmp;
-}
-
-file_status posix_stat(path const& p, StatT& path_stat, error_code* ec) {
- error_code m_ec;
- if (::stat(p.c_str(), &path_stat) == -1)
- m_ec = detail::capture_errno();
- return create_file_status(m_ec, p, path_stat, ec);
-}
-
-file_status posix_stat(path const& p, error_code* ec) {
- StatT path_stat;
- return posix_stat(p, path_stat, ec);
-}
-
-file_status posix_lstat(path const& p, StatT& path_stat, error_code* ec) {
- error_code m_ec;
- if (::lstat(p.c_str(), &path_stat) == -1)
- m_ec = detail::capture_errno();
- return create_file_status(m_ec, p, path_stat, ec);
-}
-
-file_status posix_lstat(path const& p, error_code* ec) {
- StatT path_stat;
- return posix_lstat(p, path_stat, ec);
-}
-
-bool posix_ftruncate(const FileDescriptor& fd, size_t to_size, error_code& ec) {
- if (::ftruncate(fd.fd, to_size) == -1) {
- ec = capture_errno();
- return true;
- }
- ec.clear();
- return false;
-}
-
-bool posix_fchmod(const FileDescriptor& fd, const StatT& st, error_code& ec) {
- if (::fchmod(fd.fd, st.st_mode) == -1) {
- ec = capture_errno();
- return true;
- }
- ec.clear();
- return false;
-}
-
-bool stat_equivalent(const StatT& st1, const StatT& st2) {
- return (st1.st_dev == st2.st_dev && st1.st_ino == st2.st_ino);
-}
-
-file_status FileDescriptor::refresh_status(error_code& ec) {
- // FD must be open and good.
- m_status = file_status{};
- m_stat = {};
- error_code m_ec;
- if (::fstat(fd, &m_stat) == -1)
- m_ec = capture_errno();
- m_status = create_file_status(m_ec, name, m_stat, &ec);
- return m_status;
-}
-} // namespace
-} // end namespace detail
-
-using detail::capture_errno;
-using detail::ErrorHandler;
-using detail::StatT;
-using detail::TimeSpec;
-using parser::createView;
-using parser::PathParser;
-using parser::string_view_t;
-
-const bool _FilesystemClock::is_steady;
-
-_FilesystemClock::time_point _FilesystemClock::now() noexcept {
- typedef chrono::duration<rep> __secs;
-#if defined(_LIBCPP_USE_CLOCK_GETTIME) && defined(CLOCK_REALTIME)
- typedef chrono::duration<rep, nano> __nsecs;
- struct timespec tp;
- if (0 != clock_gettime(CLOCK_REALTIME, &tp))
- __throw_system_error(errno, "clock_gettime(CLOCK_REALTIME) failed");
- return time_point(__secs(tp.tv_sec) +
- chrono::duration_cast<duration>(__nsecs(tp.tv_nsec)));
-#else
- typedef chrono::duration<rep, micro> __microsecs;
- timeval tv;
- gettimeofday(&tv, 0);
- return time_point(__secs(tv.tv_sec) + __microsecs(tv.tv_usec));
-#endif // _LIBCPP_USE_CLOCK_GETTIME && CLOCK_REALTIME
-}
-
-filesystem_error::~filesystem_error() {}
-
-void filesystem_error::__create_what(int __num_paths) {
- const char* derived_what = system_error::what();
- __storage_->__what_ = [&]() -> string {
- const char* p1 = path1().native().empty() ? "\"\"" : path1().c_str();
- const char* p2 = path2().native().empty() ? "\"\"" : path2().c_str();
- switch (__num_paths) {
- default:
- return detail::format_string("filesystem error: %s", derived_what);
- case 1:
- return detail::format_string("filesystem error: %s [%s]", derived_what,
- p1);
- case 2:
- return detail::format_string("filesystem error: %s [%s] [%s]",
- derived_what, p1, p2);
- }
- }();
-}
-
-static path __do_absolute(const path& p, path* cwd, error_code* ec) {
- if (ec)
- ec->clear();
- if (p.is_absolute())
- return p;
- *cwd = __current_path(ec);
- if (ec && *ec)
- return {};
- return (*cwd) / p;
-}
-
-path __absolute(const path& p, error_code* ec) {
- path cwd;
- return __do_absolute(p, &cwd, ec);
-}
-
-path __canonical(path const& orig_p, error_code* ec) {
- path cwd;
- ErrorHandler<path> err("canonical", ec, &orig_p, &cwd);
-
- path p = __do_absolute(orig_p, &cwd, ec);
- char buff[PATH_MAX + 1];
- char* ret;
- if ((ret = ::realpath(p.c_str(), buff)) == nullptr)
- return err.report(capture_errno());
- return {ret};
-}
-
-void __copy(const path& from, const path& to, copy_options options,
- error_code* ec) {
- ErrorHandler<void> err("copy", ec, &from, &to);
-
- const bool sym_status = bool(
- options & (copy_options::create_symlinks | copy_options::skip_symlinks));
-
- const bool sym_status2 = bool(options & copy_options::copy_symlinks);
-
- error_code m_ec1;
- StatT f_st = {};
- const file_status f = sym_status || sym_status2
- ? detail::posix_lstat(from, f_st, &m_ec1)
- : detail::posix_stat(from, f_st, &m_ec1);
- if (m_ec1)
- return err.report(m_ec1);
-
- StatT t_st = {};
- const file_status t = sym_status ? detail::posix_lstat(to, t_st, &m_ec1)
- : detail::posix_stat(to, t_st, &m_ec1);
-
- if (not status_known(t))
- return err.report(m_ec1);
-
- if (!exists(f) || is_other(f) || is_other(t) ||
- (is_directory(f) && is_regular_file(t)) ||
- detail::stat_equivalent(f_st, t_st)) {
- return err.report(errc::function_not_supported);
- }
-
- if (ec)
- ec->clear();
-
- if (is_symlink(f)) {
- if (bool(copy_options::skip_symlinks & options)) {
- // do nothing
- } else if (not exists(t)) {
- __copy_symlink(from, to, ec);
- } else {
- return err.report(errc::file_exists);
- }
- return;
- } else if (is_regular_file(f)) {
- if (bool(copy_options::directories_only & options)) {
- // do nothing
- } else if (bool(copy_options::create_symlinks & options)) {
- __create_symlink(from, to, ec);
- } else if (bool(copy_options::create_hard_links & options)) {
- __create_hard_link(from, to, ec);
- } else if (is_directory(t)) {
- __copy_file(from, to / from.filename(), options, ec);
- } else {
- __copy_file(from, to, options, ec);
- }
- return;
- } else if (is_directory(f) && bool(copy_options::create_symlinks & options)) {
- return err.report(errc::is_a_directory);
- } else if (is_directory(f) && (bool(copy_options::recursive & options) ||
- copy_options::none == options)) {
-
- if (!exists(t)) {
- // create directory to with attributes from 'from'.
- __create_directory(to, from, ec);
- if (ec && *ec) {
- return;
- }
- }
- directory_iterator it =
- ec ? directory_iterator(from, *ec) : directory_iterator(from);
- if (ec && *ec) {
- return;
- }
- error_code m_ec2;
- for (; it != directory_iterator(); it.increment(m_ec2)) {
- if (m_ec2) {
- return err.report(m_ec2);
- }
- __copy(it->path(), to / it->path().filename(),
- options | copy_options::__in_recursive_copy, ec);
- if (ec && *ec) {
- return;
- }
- }
- }
-}
-
-namespace detail {
-namespace {
-
-#ifdef _LIBCPP_USE_SENDFILE
-bool copy_file_impl_sendfile(FileDescriptor& read_fd, FileDescriptor& write_fd,
- error_code& ec) {
-
- size_t count = read_fd.get_stat().st_size;
- do {
- ssize_t res;
- if ((res = ::sendfile(write_fd.fd, read_fd.fd, nullptr, count)) == -1) {
- ec = capture_errno();
- return false;
- }
- count -= res;
- } while (count > 0);
-
- ec.clear();
-
- return true;
-}
-#elif defined(_LIBCPP_USE_COPYFILE)
-bool copy_file_impl_copyfile(FileDescriptor& read_fd, FileDescriptor& write_fd,
- error_code& ec) {
- struct CopyFileState {
- copyfile_state_t state;
- CopyFileState() { state = copyfile_state_alloc(); }
- ~CopyFileState() { copyfile_state_free(state); }
-
- private:
- CopyFileState(CopyFileState const&) = delete;
- CopyFileState& operator=(CopyFileState const&) = delete;
- };
-
- CopyFileState cfs;
- if (fcopyfile(read_fd.fd, write_fd.fd, cfs.state, COPYFILE_DATA) < 0) {
- ec = capture_errno();
- return false;
- }
-
- ec.clear();
- return true;
-}
-#endif
-
-// Note: This function isn't guarded by ifdef's even though it may be unused
-// in order to assure it still compiles.
-__attribute__((unused)) bool copy_file_impl_default(FileDescriptor& read_fd,
- FileDescriptor& write_fd,
- error_code& ec) {
- ifstream in;
- in.__open(read_fd.fd, ios::binary);
- if (!in.is_open()) {
- // This assumes that __open didn't reset the error code.
- ec = capture_errno();
- return false;
- }
- ofstream out;
- out.__open(write_fd.fd, ios::binary);
- if (!out.is_open()) {
- ec = capture_errno();
- return false;
- }
-
- if (in.good() && out.good()) {
- using InIt = istreambuf_iterator<char>;
- using OutIt = ostreambuf_iterator<char>;
- InIt bin(in);
- InIt ein;
- OutIt bout(out);
- copy(bin, ein, bout);
- }
- if (out.fail() || in.fail()) {
- ec = make_error_code(errc::io_error);
- return false;
- }
-
- ec.clear();
- return true;
-}
-
-bool copy_file_impl(FileDescriptor& from, FileDescriptor& to, error_code& ec) {
-#if defined(_LIBCPP_USE_SENDFILE)
- return copy_file_impl_sendfile(from, to, ec);
-#elif defined(_LIBCPP_USE_COPYFILE)
- return copy_file_impl_copyfile(from, to, ec);
-#else
- return copy_file_impl_default(from, to, ec);
-#endif
-}
-
-} // namespace
-} // namespace detail
-
-bool __copy_file(const path& from, const path& to, copy_options options,
- error_code* ec) {
- using detail::FileDescriptor;
- ErrorHandler<bool> err("copy_file", ec, &to, &from);
-
- error_code m_ec;
- FileDescriptor from_fd =
- FileDescriptor::create_with_status(&from, m_ec, O_RDONLY | O_NONBLOCK);
- if (m_ec)
- return err.report(m_ec);
-
- auto from_st = from_fd.get_status();
- StatT const& from_stat = from_fd.get_stat();
- if (!is_regular_file(from_st)) {
- if (not m_ec)
- m_ec = make_error_code(errc::not_supported);
- return err.report(m_ec);
- }
-
- const bool skip_existing = bool(copy_options::skip_existing & options);
- const bool update_existing = bool(copy_options::update_existing & options);
- const bool overwrite_existing =
- bool(copy_options::overwrite_existing & options);
-
- StatT to_stat_path;
- file_status to_st = detail::posix_stat(to, to_stat_path, &m_ec);
- if (!status_known(to_st))
- return err.report(m_ec);
-
- const bool to_exists = exists(to_st);
- if (to_exists && !is_regular_file(to_st))
- return err.report(errc::not_supported);
-
- if (to_exists && detail::stat_equivalent(from_stat, to_stat_path))
- return err.report(errc::file_exists);
-
- if (to_exists && skip_existing)
- return false;
-
- bool ShouldCopy = [&]() {
- if (to_exists && update_existing) {
- auto from_time = detail::extract_mtime(from_stat);
- auto to_time = detail::extract_mtime(to_stat_path);
- if (from_time.tv_sec < to_time.tv_sec)
- return false;
- if (from_time.tv_sec == to_time.tv_sec &&
- from_time.tv_nsec <= to_time.tv_nsec)
- return false;
- return true;
- }
- if (!to_exists || overwrite_existing)
- return true;
- return err.report(errc::file_exists);
- }();
- if (!ShouldCopy)
- return false;
-
- // Don't truncate right away. We may not be opening the file we originally
- // looked at; we'll check this later.
- int to_open_flags = O_WRONLY;
- if (!to_exists)
- to_open_flags |= O_CREAT;
- FileDescriptor to_fd = FileDescriptor::create_with_status(
- &to, m_ec, to_open_flags, from_stat.st_mode);
- if (m_ec)
- return err.report(m_ec);
-
- if (to_exists) {
- // Check that the file we initially stat'ed is equivalent to the one
- // we opened.
- // FIXME: report this better.
- if (!detail::stat_equivalent(to_stat_path, to_fd.get_stat()))
- return err.report(errc::bad_file_descriptor);
-
- // Set the permissions and truncate the file we opened.
- if (detail::posix_fchmod(to_fd, from_stat, m_ec))
- return err.report(m_ec);
- if (detail::posix_ftruncate(to_fd, 0, m_ec))
- return err.report(m_ec);
- }
-
- if (!copy_file_impl(from_fd, to_fd, m_ec)) {
- // FIXME: Remove the dest file if we failed, and it didn't exist previously.
- return err.report(m_ec);
- }
-
- return true;
-}
-
-void __copy_symlink(const path& existing_symlink, const path& new_symlink,
- error_code* ec) {
- const path real_path(__read_symlink(existing_symlink, ec));
- if (ec && *ec) {
- return;
- }
- // NOTE: proposal says you should detect if you should call
- // create_symlink or create_directory_symlink. I don't think this
- // is needed with POSIX
- __create_symlink(real_path, new_symlink, ec);
-}
-
-bool __create_directories(const path& p, error_code* ec) {
- ErrorHandler<bool> err("create_directories", ec, &p);
-
- error_code m_ec;
- auto const st = detail::posix_stat(p, &m_ec);
- if (!status_known(st))
- return err.report(m_ec);
- else if (is_directory(st))
- return false;
- else if (exists(st))
- return err.report(errc::file_exists);
-
- const path parent = p.parent_path();
- if (!parent.empty()) {
- const file_status parent_st = status(parent, m_ec);
- if (not status_known(parent_st))
- return err.report(m_ec);
- if (not exists(parent_st)) {
- __create_directories(parent, ec);
- if (ec && *ec) {
- return false;
- }
- }
- }
- return __create_directory(p, ec);
-}
-
-bool __create_directory(const path& p, error_code* ec) {
- ErrorHandler<bool> err("create_directory", ec, &p);
-
- if (::mkdir(p.c_str(), static_cast<int>(perms::all)) == 0)
- return true;
- if (errno != EEXIST)
- err.report(capture_errno());
- return false;
-}
-
-bool __create_directory(path const& p, path const& attributes, error_code* ec) {
- ErrorHandler<bool> err("create_directory", ec, &p, &attributes);
-
- StatT attr_stat;
- error_code mec;
- auto st = detail::posix_stat(attributes, attr_stat, &mec);
- if (!status_known(st))
- return err.report(mec);
- if (!is_directory(st))
- return err.report(errc::not_a_directory,
- "the specified attribute path is invalid");
-
- if (::mkdir(p.c_str(), attr_stat.st_mode) == 0)
- return true;
- if (errno != EEXIST)
- err.report(capture_errno());
- return false;
-}
-
-void __create_directory_symlink(path const& from, path const& to,
- error_code* ec) {
- ErrorHandler<void> err("create_directory_symlink", ec, &from, &to);
- if (::symlink(from.c_str(), to.c_str()) != 0)
- return err.report(capture_errno());
-}
-
-void __create_hard_link(const path& from, const path& to, error_code* ec) {
- ErrorHandler<void> err("create_hard_link", ec, &from, &to);
- if (::link(from.c_str(), to.c_str()) == -1)
- return err.report(capture_errno());
-}
-
-void __create_symlink(path const& from, path const& to, error_code* ec) {
- ErrorHandler<void> err("create_symlink", ec, &from, &to);
- if (::symlink(from.c_str(), to.c_str()) == -1)
- return err.report(capture_errno());
-}
-
-path __current_path(error_code* ec) {
- ErrorHandler<path> err("current_path", ec);
-
- auto size = ::pathconf(".", _PC_PATH_MAX);
- _LIBCPP_ASSERT(size >= 0, "pathconf returned a 0 as max size");
-
- auto buff = unique_ptr<char[]>(new char[size + 1]);
- char* ret;
- if ((ret = ::getcwd(buff.get(), static_cast<size_t>(size))) == nullptr)
- return err.report(capture_errno(), "call to getcwd failed");
-
- return {buff.get()};
-}
-
-void __current_path(const path& p, error_code* ec) {
- ErrorHandler<void> err("current_path", ec, &p);
- if (::chdir(p.c_str()) == -1)
- err.report(capture_errno());
-}
-
-bool __equivalent(const path& p1, const path& p2, error_code* ec) {
- ErrorHandler<bool> err("equivalent", ec, &p1, &p2);
-
- error_code ec1, ec2;
- StatT st1 = {}, st2 = {};
- auto s1 = detail::posix_stat(p1.native(), st1, &ec1);
- if (!exists(s1))
- return err.report(errc::not_supported);
- auto s2 = detail::posix_stat(p2.native(), st2, &ec2);
- if (!exists(s2))
- return err.report(errc::not_supported);
-
- return detail::stat_equivalent(st1, st2);
-}
-
-uintmax_t __file_size(const path& p, error_code* ec) {
- ErrorHandler<uintmax_t> err("file_size", ec, &p);
-
- error_code m_ec;
- StatT st;
- file_status fst = detail::posix_stat(p, st, &m_ec);
- if (!exists(fst) || !is_regular_file(fst)) {
- errc error_kind =
- is_directory(fst) ? errc::is_a_directory : errc::not_supported;
- if (!m_ec)
- m_ec = make_error_code(error_kind);
- return err.report(m_ec);
- }
- // is_regular_file(p) == true
- return static_cast<uintmax_t>(st.st_size);
-}
-
-uintmax_t __hard_link_count(const path& p, error_code* ec) {
- ErrorHandler<uintmax_t> err("hard_link_count", ec, &p);
-
- error_code m_ec;
- StatT st;
- detail::posix_stat(p, st, &m_ec);
- if (m_ec)
- return err.report(m_ec);
- return static_cast<uintmax_t>(st.st_nlink);
-}
-
-bool __fs_is_empty(const path& p, error_code* ec) {
- ErrorHandler<bool> err("is_empty", ec, &p);
-
- error_code m_ec;
- StatT pst;
- auto st = detail::posix_stat(p, pst, &m_ec);
- if (m_ec)
- return err.report(m_ec);
- else if (!is_directory(st) && !is_regular_file(st))
- return err.report(errc::not_supported);
- else if (is_directory(st)) {
- auto it = ec ? directory_iterator(p, *ec) : directory_iterator(p);
- if (ec && *ec)
- return false;
- return it == directory_iterator{};
- } else if (is_regular_file(st))
- return static_cast<uintmax_t>(pst.st_size) == 0;
-
- _LIBCPP_UNREACHABLE();
-}
-
-static file_time_type __extract_last_write_time(const path& p, const StatT& st,
- error_code* ec) {
- using detail::fs_time;
- ErrorHandler<file_time_type> err("last_write_time", ec, &p);
-
- auto ts = detail::extract_mtime(st);
- if (!fs_time::is_representable(ts))
- return err.report(errc::value_too_large);
-
- return fs_time::convert_from_timespec(ts);
-}
-
-file_time_type __last_write_time(const path& p, error_code* ec) {
- using namespace chrono;
- ErrorHandler<file_time_type> err("last_write_time", ec, &p);
-
- error_code m_ec;
- StatT st;
- detail::posix_stat(p, st, &m_ec);
- if (m_ec)
- return err.report(m_ec);
- return __extract_last_write_time(p, st, ec);
-}
-
-void __last_write_time(const path& p, file_time_type new_time, error_code* ec) {
- using detail::fs_time;
- ErrorHandler<void> err("last_write_time", ec, &p);
-
- error_code m_ec;
- array<TimeSpec, 2> tbuf;
-#if !defined(_LIBCPP_USE_UTIMENSAT)
- // This implementation has a race condition between determining the
- // last access time and attempting to set it to the same value using
- // ::utimes
- StatT st;
- file_status fst = detail::posix_stat(p, st, &m_ec);
- if (m_ec)
- return err.report(m_ec);
- tbuf[0] = detail::extract_atime(st);
-#else
- tbuf[0].tv_sec = 0;
- tbuf[0].tv_nsec = UTIME_OMIT;
-#endif
- if (!fs_time::convert_to_timespec(tbuf[1], new_time))
- return err.report(errc::value_too_large);
-
- detail::set_file_times(p, tbuf, m_ec);
- if (m_ec)
- return err.report(m_ec);
-}
-
-void __permissions(const path& p, perms prms, perm_options opts,
- error_code* ec) {
- ErrorHandler<void> err("permissions", ec, &p);
-
- auto has_opt = [&](perm_options o) { return bool(o & opts); };
- const bool resolve_symlinks = !has_opt(perm_options::nofollow);
- const bool add_perms = has_opt(perm_options::add);
- const bool remove_perms = has_opt(perm_options::remove);
- _LIBCPP_ASSERT(
- (add_perms + remove_perms + has_opt(perm_options::replace)) == 1,
- "One and only one of the perm_options constants replace, add, or remove "
- "is present in opts");
-
- bool set_sym_perms = false;
- prms &= perms::mask;
- if (!resolve_symlinks || (add_perms || remove_perms)) {
- error_code m_ec;
- file_status st = resolve_symlinks ? detail::posix_stat(p, &m_ec)
- : detail::posix_lstat(p, &m_ec);
- set_sym_perms = is_symlink(st);
- if (m_ec)
- return err.report(m_ec);
- _LIBCPP_ASSERT(st.permissions() != perms::unknown,
- "Permissions unexpectedly unknown");
- if (add_perms)
- prms |= st.permissions();
- else if (remove_perms)
- prms = st.permissions() & ~prms;
- }
- const auto real_perms = detail::posix_convert_perms(prms);
-
-#if defined(AT_SYMLINK_NOFOLLOW) && defined(AT_FDCWD)
- const int flags = set_sym_perms ? AT_SYMLINK_NOFOLLOW : 0;
- if (::fchmodat(AT_FDCWD, p.c_str(), real_perms, flags) == -1) {
- return err.report(capture_errno());
- }
-#else
- if (set_sym_perms)
- return err.report(errc::operation_not_supported);
- if (::chmod(p.c_str(), real_perms) == -1) {
- return err.report(capture_errno());
- }
-#endif
-}
-
-path __read_symlink(const path& p, error_code* ec) {
- ErrorHandler<path> err("read_symlink", ec, &p);
-
- char buff[PATH_MAX + 1];
- error_code m_ec;
- ::ssize_t ret;
- if ((ret = ::readlink(p.c_str(), buff, PATH_MAX)) == -1) {
- return err.report(capture_errno());
- }
- _LIBCPP_ASSERT(ret <= PATH_MAX, "TODO");
- _LIBCPP_ASSERT(ret > 0, "TODO");
- buff[ret] = 0;
- return {buff};
-}
-
-bool __remove(const path& p, error_code* ec) {
- ErrorHandler<bool> err("remove", ec, &p);
- if (::remove(p.c_str()) == -1) {
- if (errno != ENOENT)
- err.report(capture_errno());
- return false;
- }
- return true;
-}
-
-namespace {
-
-uintmax_t remove_all_impl(path const& p, error_code& ec) {
- const auto npos = static_cast<uintmax_t>(-1);
- const file_status st = __symlink_status(p, &ec);
- if (ec)
- return npos;
- uintmax_t count = 1;
- if (is_directory(st)) {
- for (directory_iterator it(p, ec); !ec && it != directory_iterator();
- it.increment(ec)) {
- auto other_count = remove_all_impl(it->path(), ec);
- if (ec)
- return npos;
- count += other_count;
- }
- if (ec)
- return npos;
- }
- if (!__remove(p, &ec))
- return npos;
- return count;
-}
-
-} // end namespace
-
-uintmax_t __remove_all(const path& p, error_code* ec) {
- ErrorHandler<uintmax_t> err("remove_all", ec, &p);
-
- error_code mec;
- auto count = remove_all_impl(p, mec);
- if (mec) {
- if (mec == errc::no_such_file_or_directory)
- return 0;
- return err.report(mec);
- }
- return count;
-}
-
-void __rename(const path& from, const path& to, error_code* ec) {
- ErrorHandler<void> err("rename", ec, &from, &to);
- if (::rename(from.c_str(), to.c_str()) == -1)
- err.report(capture_errno());
-}
-
-void __resize_file(const path& p, uintmax_t size, error_code* ec) {
- ErrorHandler<void> err("resize_file", ec, &p);
- if (::truncate(p.c_str(), static_cast< ::off_t>(size)) == -1)
- return err.report(capture_errno());
-}
-
-space_info __space(const path& p, error_code* ec) {
- ErrorHandler<void> err("space", ec, &p);
- space_info si;
- struct statvfs m_svfs = {};
- if (::statvfs(p.c_str(), &m_svfs) == -1) {
- err.report(capture_errno());
- si.capacity = si.free = si.available = static_cast<uintmax_t>(-1);
- return si;
- }
- // Multiply with overflow checking.
- auto do_mult = [&](uintmax_t& out, uintmax_t other) {
- out = other * m_svfs.f_frsize;
- if (other == 0 || out / other != m_svfs.f_frsize)
- out = static_cast<uintmax_t>(-1);
- };
- do_mult(si.capacity, m_svfs.f_blocks);
- do_mult(si.free, m_svfs.f_bfree);
- do_mult(si.available, m_svfs.f_bavail);
- return si;
-}
-
-file_status __status(const path& p, error_code* ec) {
- return detail::posix_stat(p, ec);
-}
-
-file_status __symlink_status(const path& p, error_code* ec) {
- return detail::posix_lstat(p, ec);
-}
-
-path __temp_directory_path(error_code* ec) {
- ErrorHandler<path> err("temp_directory_path", ec);
-
- const char* env_paths[] = {"TMPDIR", "TMP", "TEMP", "TEMPDIR"};
- const char* ret = nullptr;
-
- for (auto& ep : env_paths)
- if ((ret = getenv(ep)))
- break;
- if (ret == nullptr)
- ret = "/tmp";
-
- path p(ret);
- error_code m_ec;
- file_status st = detail::posix_stat(p, &m_ec);
- if (!status_known(st))
- return err.report(m_ec, "cannot access path \"%s\"", p);
-
- if (!exists(st) || !is_directory(st))
- return err.report(errc::not_a_directory, "path \"%s\" is not a directory",
- p);
-
- return p;
-}
-
-path __weakly_canonical(const path& p, error_code* ec) {
- ErrorHandler<path> err("weakly_canonical", ec, &p);
-
- if (p.empty())
- return __canonical("", ec);
-
- path result;
- path tmp;
- tmp.__reserve(p.native().size());
- auto PP = PathParser::CreateEnd(p.native());
- --PP;
- vector<string_view_t> DNEParts;
-
- while (PP.State != PathParser::PS_BeforeBegin) {
- tmp.assign(createView(p.native().data(), &PP.RawEntry.back()));
- error_code m_ec;
- file_status st = __status(tmp, &m_ec);
- if (!status_known(st)) {
- return err.report(m_ec);
- } else if (exists(st)) {
- result = __canonical(tmp, ec);
- break;
- }
- DNEParts.push_back(*PP);
- --PP;
- }
- if (PP.State == PathParser::PS_BeforeBegin)
- result = __canonical("", ec);
- if (ec)
- ec->clear();
- if (DNEParts.empty())
- return result;
- for (auto It = DNEParts.rbegin(); It != DNEParts.rend(); ++It)
- result /= *It;
- return result.lexically_normal();
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// path definitions
-///////////////////////////////////////////////////////////////////////////////
-
-constexpr path::value_type path::preferred_separator;
-
-path& path::replace_extension(path const& replacement) {
- path p = extension();
- if (not p.empty()) {
- __pn_.erase(__pn_.size() - p.native().size());
- }
- if (!replacement.empty()) {
- if (replacement.native()[0] != '.') {
- __pn_ += ".";
- }
- __pn_.append(replacement.__pn_);
- }
- return *this;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// path.decompose
-
-string_view_t path::__root_name() const {
- auto PP = PathParser::CreateBegin(__pn_);
- if (PP.State == PathParser::PS_InRootName)
- return *PP;
- return {};
-}
-
-string_view_t path::__root_directory() const {
- auto PP = PathParser::CreateBegin(__pn_);
- if (PP.State == PathParser::PS_InRootName)
- ++PP;
- if (PP.State == PathParser::PS_InRootDir)
- return *PP;
- return {};
-}
-
-string_view_t path::__root_path_raw() const {
- auto PP = PathParser::CreateBegin(__pn_);
- if (PP.State == PathParser::PS_InRootName) {
- auto NextCh = PP.peek();
- if (NextCh && *NextCh == '/') {
- ++PP;
- return createView(__pn_.data(), &PP.RawEntry.back());
- }
- return PP.RawEntry;
- }
- if (PP.State == PathParser::PS_InRootDir)
- return *PP;
- return {};
-}
-
-static bool ConsumeRootName(PathParser *PP) {
- static_assert(PathParser::PS_BeforeBegin == 1 &&
- PathParser::PS_InRootName == 2,
- "Values for enums are incorrect");
- while (PP->State <= PathParser::PS_InRootName)
- ++(*PP);
- return PP->State == PathParser::PS_AtEnd;
-}
-
-static bool ConsumeRootDir(PathParser* PP) {
- static_assert(PathParser::PS_BeforeBegin == 1 &&
- PathParser::PS_InRootName == 2 &&
- PathParser::PS_InRootDir == 3, "Values for enums are incorrect");
- while (PP->State <= PathParser::PS_InRootDir)
- ++(*PP);
- return PP->State == PathParser::PS_AtEnd;
-}
-
-string_view_t path::__relative_path() const {
- auto PP = PathParser::CreateBegin(__pn_);
- if (ConsumeRootDir(&PP))
- return {};
- return createView(PP.RawEntry.data(), &__pn_.back());
-}
-
-string_view_t path::__parent_path() const {
- if (empty())
- return {};
- // Determine if we have a root path but not a relative path. In that case
- // return *this.
- {
- auto PP = PathParser::CreateBegin(__pn_);
- if (ConsumeRootDir(&PP))
- return __pn_;
- }
- // Otherwise remove a single element from the end of the path, and return
- // a string representing that path
- {
- auto PP = PathParser::CreateEnd(__pn_);
- --PP;
- if (PP.RawEntry.data() == __pn_.data())
- return {};
- --PP;
- return createView(__pn_.data(), &PP.RawEntry.back());
- }
-}
-
-string_view_t path::__filename() const {
- if (empty())
- return {};
- {
- PathParser PP = PathParser::CreateBegin(__pn_);
- if (ConsumeRootDir(&PP))
- return {};
- }
- return *(--PathParser::CreateEnd(__pn_));
-}
-
-string_view_t path::__stem() const {
- return parser::separate_filename(__filename()).first;
-}
-
-string_view_t path::__extension() const {
- return parser::separate_filename(__filename()).second;
-}
-
-////////////////////////////////////////////////////////////////////////////
-// path.gen
-
-enum PathPartKind : unsigned char {
- PK_None,
- PK_RootSep,
- PK_Filename,
- PK_Dot,
- PK_DotDot,
- PK_TrailingSep
-};
-
-static PathPartKind ClassifyPathPart(string_view_t Part) {
- if (Part.empty())
- return PK_TrailingSep;
- if (Part == ".")
- return PK_Dot;
- if (Part == "..")
- return PK_DotDot;
- if (Part == "/")
- return PK_RootSep;
- return PK_Filename;
-}
-
-path path::lexically_normal() const {
- if (__pn_.empty())
- return *this;
-
- using PartKindPair = pair<string_view_t, PathPartKind>;
- vector<PartKindPair> Parts;
- // Guess as to how many elements the path has to avoid reallocating.
- Parts.reserve(32);
-
- // Track the total size of the parts as we collect them. This allows the
- // resulting path to reserve the correct amount of memory.
- size_t NewPathSize = 0;
- auto AddPart = [&](PathPartKind K, string_view_t P) {
- NewPathSize += P.size();
- Parts.emplace_back(P, K);
- };
- auto LastPartKind = [&]() {
- if (Parts.empty())
- return PK_None;
- return Parts.back().second;
- };
-
- bool MaybeNeedTrailingSep = false;
- // Build a stack containing the remaining elements of the path, popping off
- // elements which occur before a '..' entry.
- for (auto PP = PathParser::CreateBegin(__pn_); PP; ++PP) {
- auto Part = *PP;
- PathPartKind Kind = ClassifyPathPart(Part);
- switch (Kind) {
- case PK_Filename:
- case PK_RootSep: {
- // Add all non-dot and non-dot-dot elements to the stack of elements.
- AddPart(Kind, Part);
- MaybeNeedTrailingSep = false;
- break;
- }
- case PK_DotDot: {
- // Only push a ".." element if there are no elements preceding the "..",
- // or if the preceding element is itself "..".
- auto LastKind = LastPartKind();
- if (LastKind == PK_Filename) {
- NewPathSize -= Parts.back().first.size();
- Parts.pop_back();
- } else if (LastKind != PK_RootSep)
- AddPart(PK_DotDot, "..");
- MaybeNeedTrailingSep = LastKind == PK_Filename;
- break;
- }
- case PK_Dot:
- case PK_TrailingSep: {
- MaybeNeedTrailingSep = true;
- break;
- }
- case PK_None:
- _LIBCPP_UNREACHABLE();
- }
- }
- // [fs.path.generic]p6.8: If the path is empty, add a dot.
- if (Parts.empty())
- return ".";
-
- // [fs.path.generic]p6.7: If the last filename is dot-dot, remove any
- // trailing directory-separator.
- bool NeedTrailingSep = MaybeNeedTrailingSep && LastPartKind() == PK_Filename;
-
- path Result;
- Result.__pn_.reserve(Parts.size() + NewPathSize + NeedTrailingSep);
- for (auto& PK : Parts)
- Result /= PK.first;
-
- if (NeedTrailingSep)
- Result /= "";
-
- return Result;
-}
-
-static int DetermineLexicalElementCount(PathParser PP) {
- int Count = 0;
- for (; PP; ++PP) {
- auto Elem = *PP;
- if (Elem == "..")
- --Count;
- else if (Elem != "." && Elem != "")
- ++Count;
- }
- return Count;
-}
-
-path path::lexically_relative(const path& base) const {
- { // perform root-name/root-directory mismatch checks
- auto PP = PathParser::CreateBegin(__pn_);
- auto PPBase = PathParser::CreateBegin(base.__pn_);
- auto CheckIterMismatchAtBase = [&]() {
- return PP.State != PPBase.State &&
- (PP.inRootPath() || PPBase.inRootPath());
- };
- if (PP.inRootName() && PPBase.inRootName()) {
- if (*PP != *PPBase)
- return {};
- } else if (CheckIterMismatchAtBase())
- return {};
-
- if (PP.inRootPath())
- ++PP;
- if (PPBase.inRootPath())
- ++PPBase;
- if (CheckIterMismatchAtBase())
- return {};
- }
-
- // Find the first mismatching element
- auto PP = PathParser::CreateBegin(__pn_);
- auto PPBase = PathParser::CreateBegin(base.__pn_);
- while (PP && PPBase && PP.State == PPBase.State && *PP == *PPBase) {
- ++PP;
- ++PPBase;
- }
-
- // If there is no mismatch, return ".".
- if (!PP && !PPBase)
- return ".";
-
- // Otherwise, determine the number of elements, 'n', which are not dot or
- // dot-dot minus the number of dot-dot elements.
- int ElemCount = DetermineLexicalElementCount(PPBase);
- if (ElemCount < 0)
- return {};
-
- // if n == 0 and (a == end() || a->empty()), returns path("."); otherwise
- if (ElemCount == 0 && (PP.atEnd() || *PP == ""))
- return ".";
-
- // return a path constructed with 'n' dot-dot elements, followed by the
- // elements of '*this' after the mismatch.
- path Result;
- // FIXME: Reserve enough room in Result that it won't have to re-allocate.
- while (ElemCount--)
- Result /= "..";
- for (; PP; ++PP)
- Result /= *PP;
- return Result;
-}
-
-////////////////////////////////////////////////////////////////////////////
-// path.comparisons
-static int CompareRootName(PathParser *LHS, PathParser *RHS) {
- if (!LHS->inRootName() && !RHS->inRootName())
- return 0;
-
- auto GetRootName = [](PathParser *Parser) -> string_view_t {
- return Parser->inRootName() ? **Parser : "";
- };
- int res = GetRootName(LHS).compare(GetRootName(RHS));
- ConsumeRootName(LHS);
- ConsumeRootName(RHS);
- return res;
-}
-
-static int CompareRootDir(PathParser *LHS, PathParser *RHS) {
- if (!LHS->inRootDir() && RHS->inRootDir())
- return -1;
- else if (LHS->inRootDir() && !RHS->inRootDir())
- return 1;
- else {
- ConsumeRootDir(LHS);
- ConsumeRootDir(RHS);
- return 0;
- }
-}
-
-static int CompareRelative(PathParser *LHSPtr, PathParser *RHSPtr) {
- auto &LHS = *LHSPtr;
- auto &RHS = *RHSPtr;
-
- int res;
- while (LHS && RHS) {
- if ((res = (*LHS).compare(*RHS)) != 0)
- return res;
- ++LHS;
- ++RHS;
- }
- return 0;
-}
-
-static int CompareEndState(PathParser *LHS, PathParser *RHS) {
- if (LHS->atEnd() && !RHS->atEnd())
- return -1;
- else if (!LHS->atEnd() && RHS->atEnd())
- return 1;
- return 0;
-}
-
-int path::__compare(string_view_t __s) const {
- auto LHS = PathParser::CreateBegin(__pn_);
- auto RHS = PathParser::CreateBegin(__s);
- int res;
-
- if ((res = CompareRootName(&LHS, &RHS)) != 0)
- return res;
-
- if ((res = CompareRootDir(&LHS, &RHS)) != 0)
- return res;
-
- if ((res = CompareRelative(&LHS, &RHS)) != 0)
- return res;
-
- return CompareEndState(&LHS, &RHS);
-}
-
-////////////////////////////////////////////////////////////////////////////
-// path.nonmembers
-size_t hash_value(const path& __p) noexcept {
- auto PP = PathParser::CreateBegin(__p.native());
- size_t hash_value = 0;
- hash<string_view_t> hasher;
- while (PP) {
- hash_value = __hash_combine(hash_value, hasher(*PP));
- ++PP;
- }
- return hash_value;
-}
-
-////////////////////////////////////////////////////////////////////////////
-// path.itr
-path::iterator path::begin() const {
- auto PP = PathParser::CreateBegin(__pn_);
- iterator it;
- it.__path_ptr_ = this;
- it.__state_ = static_cast<path::iterator::_ParserState>(PP.State);
- it.__entry_ = PP.RawEntry;
- it.__stashed_elem_.__assign_view(*PP);
- return it;
-}
-
-path::iterator path::end() const {
- iterator it{};
- it.__state_ = path::iterator::_AtEnd;
- it.__path_ptr_ = this;
- return it;
-}
-
-path::iterator& path::iterator::__increment() {
- PathParser PP(__path_ptr_->native(), __entry_, __state_);
- ++PP;
- __state_ = static_cast<_ParserState>(PP.State);
- __entry_ = PP.RawEntry;
- __stashed_elem_.__assign_view(*PP);
- return *this;
-}
-
-path::iterator& path::iterator::__decrement() {
- PathParser PP(__path_ptr_->native(), __entry_, __state_);
- --PP;
- __state_ = static_cast<_ParserState>(PP.State);
- __entry_ = PP.RawEntry;
- __stashed_elem_.__assign_view(*PP);
- return *this;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// directory entry definitions
-///////////////////////////////////////////////////////////////////////////////
-
-#ifndef _LIBCPP_WIN32API
-error_code directory_entry::__do_refresh() noexcept {
- __data_.__reset();
- error_code failure_ec;
-
- StatT full_st;
- file_status st = detail::posix_lstat(__p_, full_st, &failure_ec);
- if (!status_known(st)) {
- __data_.__reset();
- return failure_ec;
- }
-
- if (!_VSTD_FS::exists(st) || !_VSTD_FS::is_symlink(st)) {
- __data_.__cache_type_ = directory_entry::_RefreshNonSymlink;
- __data_.__type_ = st.type();
- __data_.__non_sym_perms_ = st.permissions();
- } else { // we have a symlink
- __data_.__sym_perms_ = st.permissions();
- // Get the information about the linked entity.
- // Ignore errors from stat, since we don't want errors regarding symlink
- // resolution to be reported to the user.
- error_code ignored_ec;
- st = detail::posix_stat(__p_, full_st, &ignored_ec);
-
- __data_.__type_ = st.type();
- __data_.__non_sym_perms_ = st.permissions();
-
- // If we failed to resolve the link, then only partially populate the
- // cache.
- if (!status_known(st)) {
- __data_.__cache_type_ = directory_entry::_RefreshSymlinkUnresolved;
- return error_code{};
- }
- // Otherwise, we resolved the link, potentially as not existing.
- // That's OK.
- __data_.__cache_type_ = directory_entry::_RefreshSymlink;
- }
-
- if (_VSTD_FS::is_regular_file(st))
- __data_.__size_ = static_cast<uintmax_t>(full_st.st_size);
-
- if (_VSTD_FS::exists(st)) {
- __data_.__nlink_ = static_cast<uintmax_t>(full_st.st_nlink);
-
- // Attempt to extract the mtime, and fail if it's not representable using
- // file_time_type. For now we ignore the error, as we'll report it when
- // the value is actually used.
- error_code ignored_ec;
- __data_.__write_time_ =
- __extract_last_write_time(__p_, full_st, &ignored_ec);
- }
-
- return failure_ec;
-}
-#else
-error_code directory_entry::__do_refresh() noexcept {
- __data_.__reset();
- error_code failure_ec;
-
- file_status st = _VSTD_FS::symlink_status(__p_, failure_ec);
- if (!status_known(st)) {
- __data_.__reset();
- return failure_ec;
- }
-
- if (!_VSTD_FS::exists(st) || !_VSTD_FS::is_symlink(st)) {
- __data_.__cache_type_ = directory_entry::_RefreshNonSymlink;
- __data_.__type_ = st.type();
- __data_.__non_sym_perms_ = st.permissions();
- } else { // we have a symlink
- __data_.__sym_perms_ = st.permissions();
- // Get the information about the linked entity.
- // Ignore errors from stat, since we don't want errors regarding symlink
- // resolution to be reported to the user.
- error_code ignored_ec;
- st = _VSTD_FS::status(__p_, ignored_ec);
-
- __data_.__type_ = st.type();
- __data_.__non_sym_perms_ = st.permissions();
-
- // If we failed to resolve the link, then only partially populate the
- // cache.
- if (!status_known(st)) {
- __data_.__cache_type_ = directory_entry::_RefreshSymlinkUnresolved;
- return error_code{};
- }
- __data_.__cache_type_ = directory_entry::_RefreshSymlink;
- }
-
- // FIXME: This is currently broken, and the implementation only a placeholder.
- // We need to cache last_write_time, file_size, and hard_link_count here before
- // the implementation actually works.
-
- return failure_ec;
-}
-#endif
-
-#ifndef _LIBAUTO_UNDEF_VSTD_FS
-#pragma pop_macro("_VSTD_FS")
-#else
-#undef _VSTD
-#undef _LIBAUTO_UNDEF_VSTD_FS
-#endif
-} // namespace android::hardware::automotive::filesystem
-/* clang-format on */
-
-#endif // defined(_LIBCPP_VERSION) && _LIBCPP_VERSION <= 8000