30 Input/output library [input.output]

30.10 File systems [filesystems]

30.10.27 Class path [fs.class.path]

30.10.27.4 path members [fs.path.member]

30.10.27.4.10 path query [fs.path.query]

bool empty() const noexcept;

1
#

Returns: true if the pathname in the generic format is empty, else false.

bool has_root_path() const;

2
#

Returns: !root_­path().empty().

bool has_root_name() const;

3
#

Returns: !root_­name().empty().

bool has_root_directory() const;

4
#

Returns: !root_­directory().empty().

bool has_relative_path() const;

5
#

Returns: !relative_­path().empty().

bool has_parent_path() const;

6
#

Returns: !parent_­path().empty().

bool has_filename() const;

7
#

Returns: !filename().empty().

bool has_stem() const;

8
#

Returns: !stem().empty().

bool has_extension() const;

9
#

Returns: !extension().empty().

bool is_absolute() const;

10
#

Returns: true if the pathname in the native format contains an absolute path, else false.

11
#

[ Example: path("/").is_­absolute() is true for POSIX-based operating systems, and false for Windows-based operating systems.  — end example ]

bool is_relative() const;

12
#

Returns: !is_­absolute().