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-#
-# = pathname.rb
-#
-# Object-Oriented Pathname Class
-#
-# Author:: Tanaka Akira <akr@m17n.org>
-# Documentation:: Author and Gavin Sinclair
-#
-# For documentation, see class Pathname.
-#
-# <tt>pathname.rb</tt> is distributed with Ruby since 1.8.0.
-#
-
-#
-# == Pathname
-#
-# Pathname represents a pathname which locates a file in a filesystem.
-# The pathname depends on OS: Unix, Windows, etc.
-# Pathname library works with pathnames of local OS.
-# However non-Unix pathnames are supported experimentally.
-#
-# It does not represent the file itself.
-# A Pathname can be relative or absolute. It's not until you try to
-# reference the file that it even matters whether the file exists or not.
-#
-# Pathname is immutable. It has no method for destructive update.
-#
-# The value of this class is to manipulate file path information in a neater
-# way than standard Ruby provides. The examples below demonstrate the
-# difference. *All* functionality from File, FileTest, and some from Dir and
-# FileUtils is included, in an unsurprising way. It is essentially a facade for
-# all of these, and more.
-#
-# == Examples
-#
-# === Example 1: Using Pathname
-#
-# require 'pathname'
-# p = Pathname.new("/usr/bin/ruby")
-# size = p.size # 27662
-# isdir = p.directory? # false
-# dir = p.dirname # Pathname:/usr/bin
-# base = p.basename # Pathname:ruby
-# dir, base = p.split # [Pathname:/usr/bin, Pathname:ruby]
-# data = p.read
-# p.open { |f| _ }
-# p.each_line { |line| _ }
-#
-# === Example 2: Using standard Ruby
-#
-# p = "/usr/bin/ruby"
-# size = File.size(p) # 27662
-# isdir = File.directory?(p) # false
-# dir = File.dirname(p) # "/usr/bin"
-# base = File.basename(p) # "ruby"
-# dir, base = File.split(p) # ["/usr/bin", "ruby"]
-# data = File.read(p)
-# File.open(p) { |f| _ }
-# File.foreach(p) { |line| _ }
-#
-# === Example 3: Special features
-#
-# p1 = Pathname.new("/usr/lib") # Pathname:/usr/lib
-# p2 = p1 + "ruby/1.8" # Pathname:/usr/lib/ruby/1.8
-# p3 = p1.parent # Pathname:/usr
-# p4 = p2.relative_path_from(p3) # Pathname:lib/ruby/1.8
-# pwd = Pathname.pwd # Pathname:/home/gavin
-# pwd.absolute? # true
-# p5 = Pathname.new "." # Pathname:.
-# p5 = p5 + "music/../articles" # Pathname:music/../articles
-# p5.cleanpath # Pathname:articles
-# p5.realpath # Pathname:/home/gavin/articles
-# p5.children # [Pathname:/home/gavin/articles/linux, ...]
-#
-# == Breakdown of functionality
-#
-# === Core methods
-#
-# These methods are effectively manipulating a String, because that's all a path
-# is. Except for #mountpoint?, #children, and #realpath, they don't access the
-# filesystem.
-#
-# - +
-# - #join
-# - #parent
-# - #root?
-# - #absolute?
-# - #relative?
-# - #relative_path_from
-# - #each_filename
-# - #cleanpath
-# - #realpath
-# - #children
-# - #mountpoint?
-#
-# === File status predicate methods
-#
-# These methods are a facade for FileTest:
-# - #blockdev?
-# - #chardev?
-# - #directory?
-# - #executable?
-# - #executable_real?
-# - #exist?
-# - #file?
-# - #grpowned?
-# - #owned?
-# - #pipe?
-# - #readable?
-# - #world_readable?
-# - #readable_real?
-# - #setgid?
-# - #setuid?
-# - #size
-# - #size?
-# - #socket?
-# - #sticky?
-# - #symlink?
-# - #writable?
-# - #world_writable?
-# - #writable_real?
-# - #zero?
-#
-# === File property and manipulation methods
-#
-# These methods are a facade for File:
-# - #atime
-# - #ctime
-# - #mtime
-# - #chmod(mode)
-# - #lchmod(mode)
-# - #chown(owner, group)
-# - #lchown(owner, group)
-# - #fnmatch(pattern, *args)
-# - #fnmatch?(pattern, *args)
-# - #ftype
-# - #make_link(old)
-# - #open(*args, &block)
-# - #readlink
-# - #rename(to)
-# - #stat
-# - #lstat
-# - #make_symlink(old)
-# - #truncate(length)
-# - #utime(atime, mtime)
-# - #basename(*args)
-# - #dirname
-# - #extname
-# - #expand_path(*args)
-# - #split
-#
-# === Directory methods
-#
-# These methods are a facade for Dir:
-# - Pathname.glob(*args)
-# - Pathname.getwd / Pathname.pwd
-# - #rmdir
-# - #entries
-# - #each_entry(&block)
-# - #mkdir(*args)
-# - #opendir(*args)
-#
-# === IO
-#
-# These methods are a facade for IO:
-# - #each_line(*args, &block)
-# - #read(*args)
-# - #readlines(*args)
-# - #sysopen(*args)
-#
-# === Utilities
-#
-# These methods are a mixture of Find, FileUtils, and others:
-# - #find(&block)
-# - #mkpath
-# - #rmtree
-# - #unlink / #delete
-#
-#
-# == Method documentation
-#
-# As the above section shows, most of the methods in Pathname are facades. The
-# documentation for these methods generally just says, for instance, "See
-# FileTest.writable?", as you should be familiar with the original method
-# anyway, and its documentation (e.g. through +ri+) will contain more
-# information. In some cases, a brief description will follow.
-#
-class Pathname
-
- # :stopdoc:
- if RUBY_VERSION < "1.9"
- TO_PATH = :to_str
- else
- # to_path is implemented so Pathname objects are usable with File.open, etc.
- TO_PATH = :to_path
- end
- # :startdoc:
-
- #
- # Create a Pathname object from the given String (or String-like object).
- # If +path+ contains a NUL character (<tt>\0</tt>), an ArgumentError is raised.
- #
- def initialize(path)
- path = path.__send__(TO_PATH) if path.respond_to? TO_PATH
- @path = path.dup
-
- if /\0/ =~ @path
- raise ArgumentError, "pathname contains \\0: #{@path.inspect}"
- end
-
- self.taint if @path.tainted?
- end
-
- def freeze() super; @path.freeze; self end
- def taint() super; @path.taint; self end
- def untaint() super; @path.untaint; self end
-
- #
- # Compare this pathname with +other+. The comparison is string-based.
- # Be aware that two different paths (<tt>foo.txt</tt> and <tt>./foo.txt</tt>)
- # can refer to the same file.
- #
- def ==(other)
- return false unless Pathname === other
- other.to_s == @path
- end
- alias === ==
- alias eql? ==
-
- # Provides for comparing pathnames, case-sensitively.
- def <=>(other)
- return nil unless Pathname === other
- @path.tr('/', "\0") <=> other.to_s.tr('/', "\0")
- end
-
- def hash # :nodoc:
- @path.hash
- end
-
- # Return the path as a String.
- def to_s
- @path.dup
- end
-
- # to_path is implemented so Pathname objects are usable with File.open, etc.
- alias_method TO_PATH, :to_s
-
- def inspect # :nodoc:
- "#<#{self.class}:#{@path}>"
- end
-
- # Return a pathname which is substituted by String#sub.
- def sub(pattern, *rest, &block)
- self.class.new(@path.sub(pattern, *rest, &block))
- end
-
- if File::ALT_SEPARATOR
- SEPARATOR_PAT = /[#{Regexp.quote File::ALT_SEPARATOR}#{Regexp.quote File::SEPARATOR}]/
- else
- SEPARATOR_PAT = /#{Regexp.quote File::SEPARATOR}/
- end
-
- # chop_basename(path) -> [pre-basename, basename] or nil
- def chop_basename(path)
- base = File.basename(path)
- if /\A#{SEPARATOR_PAT}?\z/ =~ base
- return nil
- else
- return path[0, path.rindex(base)], base
- end
- end
- private :chop_basename
-
- # split_names(path) -> prefix, [name, ...]
- def split_names(path)
- names = []
- while r = chop_basename(path)
- path, basename = r
- names.unshift basename
- end
- return path, names
- end
- private :split_names
-
- def prepend_prefix(prefix, relpath)
- if relpath.empty?
- File.dirname(prefix)
- elsif /#{SEPARATOR_PAT}/ =~ prefix
- prefix = File.dirname(prefix)
- prefix = File.join(prefix, "") if File.basename(prefix + 'a') != 'a'
- prefix + relpath
- else
- prefix + relpath
- end
- end
- private :prepend_prefix
-
- # Returns clean pathname of +self+ with consecutive slashes and useless dots
- # removed. The filesystem is not accessed.
- #
- # If +consider_symlink+ is +true+, then a more conservative algorithm is used
- # to avoid breaking symbolic linkages. This may retain more <tt>..</tt>
- # entries than absolutely necessary, but without accessing the filesystem,
- # this can't be avoided. See #realpath.
- #
- def cleanpath(consider_symlink=false)
- if consider_symlink
- cleanpath_conservative
- else
- cleanpath_aggressive
- end
- end
-
- #
- # Clean the path simply by resolving and removing excess "." and ".." entries.
- # Nothing more, nothing less.
- #
- def cleanpath_aggressive
- path = @path
- names = []
- pre = path
- while r = chop_basename(pre)
- pre, base = r
- case base
- when '.'
- when '..'
- names.unshift base
- else
- if names[0] == '..'
- names.shift
- else
- names.unshift base
- end
- end
- end
- if /#{SEPARATOR_PAT}/o =~ File.basename(pre)
- names.shift while names[0] == '..'
- end
- self.class.new(prepend_prefix(pre, File.join(*names)))
- end
- private :cleanpath_aggressive
-
- # has_trailing_separator?(path) -> bool
- def has_trailing_separator?(path)
- if r = chop_basename(path)
- pre, basename = r
- pre.length + basename.length < path.length
- else
- false
- end
- end
- private :has_trailing_separator?
-
- # add_trailing_separator(path) -> path
- def add_trailing_separator(path)
- if File.basename(path + 'a') == 'a'
- path
- else
- File.join(path, "") # xxx: Is File.join is appropriate to add separator?
- end
- end
- private :add_trailing_separator
-
- def del_trailing_separator(path)
- if r = chop_basename(path)
- pre, basename = r
- pre + basename
- elsif /#{SEPARATOR_PAT}+\z/o =~ path
- $` + File.dirname(path)[/#{SEPARATOR_PAT}*\z/o]
- else
- path
- end
- end
- private :del_trailing_separator
-
- def cleanpath_conservative
- path = @path
- names = []
- pre = path
- while r = chop_basename(pre)
- pre, base = r
- names.unshift base if base != '.'
- end
- if /#{SEPARATOR_PAT}/o =~ File.basename(pre)
- names.shift while names[0] == '..'
- end
- if names.empty?
- self.class.new(File.dirname(pre))
- else
- if names.last != '..' && File.basename(path) == '.'
- names << '.'
- end
- result = prepend_prefix(pre, File.join(*names))
- if /\A(?:\.|\.\.)\z/ !~ names.last && has_trailing_separator?(path)
- self.class.new(add_trailing_separator(result))
- else
- self.class.new(result)
- end
- end
- end
- private :cleanpath_conservative
-
- def realpath_rec(prefix, unresolved, h)
- resolved = []
- until unresolved.empty?
- n = unresolved.shift
- if n == '.'
- next
- elsif n == '..'
- resolved.pop
- else
- path = prepend_prefix(prefix, File.join(*(resolved + [n])))
- if h.include? path
- if h[path] == :resolving
- raise Errno::ELOOP.new(path)
- else
- prefix, *resolved = h[path]
- end
- else
- s = File.lstat(path)
- if s.symlink?
- h[path] = :resolving
- link_prefix, link_names = split_names(File.readlink(path))
- if link_prefix == ''
- prefix, *resolved = h[path] = realpath_rec(prefix, resolved + link_names, h)
- else
- prefix, *resolved = h[path] = realpath_rec(link_prefix, link_names, h)
- end
- else
- resolved << n
- h[path] = [prefix, *resolved]
- end
- end
- end
- end
- return prefix, *resolved
- end
- private :realpath_rec
-
- #
- # Returns a real (absolute) pathname of +self+ in the actual filesystem.
- # The real pathname doesn't contain symlinks or useless dots.
- #
- # No arguments should be given; the old behaviour is *obsoleted*.
- #
- def realpath
- path = @path
- prefix, names = split_names(path)
- if prefix == ''
- prefix, names2 = split_names(Dir.pwd)
- names = names2 + names
- end
- prefix, *names = realpath_rec(prefix, names, {})
- self.class.new(prepend_prefix(prefix, File.join(*names)))
- end
-
- # #parent returns the parent directory.
- #
- # This is same as <tt>self + '..'</tt>.
- def parent
- self + '..'
- end
-
- # #mountpoint? returns +true+ if <tt>self</tt> points to a mountpoint.
- def mountpoint?
- begin
- stat1 = self.lstat
- stat2 = self.parent.lstat
- stat1.dev == stat2.dev && stat1.ino == stat2.ino ||
- stat1.dev != stat2.dev
- rescue Errno::ENOENT
- false
- end
- end
-
- #
- # #root? is a predicate for root directories. I.e. it returns +true+ if the
- # pathname consists of consecutive slashes.
- #
- # It doesn't access actual filesystem. So it may return +false+ for some
- # pathnames which points to roots such as <tt>/usr/..</tt>.
- #
- def root?
- !!(chop_basename(@path) == nil && /#{SEPARATOR_PAT}/o =~ @path)
- end
-
- # Predicate method for testing whether a path is absolute.
- # It returns +true+ if the pathname begins with a slash.
- def absolute?
- !relative?
- end
-
- # The opposite of #absolute?
- def relative?
- path = @path
- while r = chop_basename(path)
- path, basename = r
- end
- path == ''
- end
-
- #
- # Iterates over each component of the path.
- #
- # Pathname.new("/usr/bin/ruby").each_filename {|filename| ... }
- # # yields "usr", "bin", and "ruby".
- #
- def each_filename # :yield: filename
- prefix, names = split_names(@path)
- names.each {|filename| yield filename }
- nil
- end
-
- # Iterates over and yields a new Pathname object
- # for each element in the given path in descending order.
- #
- # Pathname.new('/path/to/some/file.rb').descend {|v| p v}
- # #<Pathname:/>
- # #<Pathname:/path>
- # #<Pathname:/path/to>
- # #<Pathname:/path/to/some>
- # #<Pathname:/path/to/some/file.rb>
- #
- # Pathname.new('path/to/some/file.rb').descend {|v| p v}
- # #<Pathname:path>
- # #<Pathname:path/to>
- # #<Pathname:path/to/some>
- # #<Pathname:path/to/some/file.rb>
- #
- # It doesn't access actual filesystem.
- #
- # This method is available since 1.8.5.
- #
- def descend
- vs = []
- ascend {|v| vs << v }
- vs.reverse_each {|v| yield v }
- nil
- end
-
- # Iterates over and yields a new Pathname object
- # for each element in the given path in ascending order.
- #
- # Pathname.new('/path/to/some/file.rb').ascend {|v| p v}
- # #<Pathname:/path/to/some/file.rb>
- # #<Pathname:/path/to/some>
- # #<Pathname:/path/to>
- # #<Pathname:/path>
- # #<Pathname:/>
- #
- # Pathname.new('path/to/some/file.rb').ascend {|v| p v}
- # #<Pathname:path/to/some/file.rb>
- # #<Pathname:path/to/some>
- # #<Pathname:path/to>
- # #<Pathname:path>
- #
- # It doesn't access actual filesystem.
- #
- # This method is available since 1.8.5.
- #
- def ascend
- path = @path
- yield self
- while r = chop_basename(path)
- path, name = r
- break if path.empty?
- yield self.class.new(del_trailing_separator(path))
- end
- end
-
- #
- # Pathname#+ appends a pathname fragment to this one to produce a new Pathname
- # object.
- #
- # p1 = Pathname.new("/usr") # Pathname:/usr
- # p2 = p1 + "bin/ruby" # Pathname:/usr/bin/ruby
- # p3 = p1 + "/etc/passwd" # Pathname:/etc/passwd
- #
- # This method doesn't access the file system; it is pure string manipulation.
- #
- def +(other)
- other = Pathname.new(other) unless Pathname === other
- Pathname.new(plus(@path, other.to_s))
- end
-
- def plus(path1, path2) # -> path
- prefix2 = path2
- index_list2 = []
- basename_list2 = []
- while r2 = chop_basename(prefix2)
- prefix2, basename2 = r2
- index_list2.unshift prefix2.length
- basename_list2.unshift basename2
- end
- return path2 if prefix2 != ''
- prefix1 = path1
- while true
- while !basename_list2.empty? && basename_list2.first == '.'
- index_list2.shift
- basename_list2.shift
- end
- break unless r1 = chop_basename(prefix1)
- prefix1, basename1 = r1
- next if basename1 == '.'
- if basename1 == '..' || basename_list2.empty? || basename_list2.first != '..'
- prefix1 = prefix1 + basename1
- break
- end
- index_list2.shift
- basename_list2.shift
- end
- r1 = chop_basename(prefix1)
- if !r1 && /#{SEPARATOR_PAT}/o =~ File.basename(prefix1)
- while !basename_list2.empty? && basename_list2.first == '..'
- index_list2.shift
- basename_list2.shift
- end
- end
- if !basename_list2.empty?
- suffix2 = path2[index_list2.first..-1]
- r1 ? File.join(prefix1, suffix2) : prefix1 + suffix2
- else
- r1 ? prefix1 : File.dirname(prefix1)
- end
- end
- private :plus
-
- #
- # Pathname#join joins pathnames.
- #
- # <tt>path0.join(path1, ..., pathN)</tt> is the same as
- # <tt>path0 + path1 + ... + pathN</tt>.
- #
- def join(*args)
- args.unshift self
- result = args.pop
- result = Pathname.new(result) unless Pathname === result
- return result if result.absolute?
- args.reverse_each {|arg|
- arg = Pathname.new(arg) unless Pathname === arg
- result = arg + result
- return result if result.absolute?
- }
- result
- end
-
- #
- # Returns the children of the directory (files and subdirectories, not
- # recursive) as an array of Pathname objects. By default, the returned
- # pathnames will have enough information to access the files. If you set
- # +with_directory+ to +false+, then the returned pathnames will contain the
- # filename only.
- #
- # For example:
- # p = Pathname("/usr/lib/ruby/1.8")
- # p.children
- # # -> [ Pathname:/usr/lib/ruby/1.8/English.rb,
- # Pathname:/usr/lib/ruby/1.8/Env.rb,
- # Pathname:/usr/lib/ruby/1.8/abbrev.rb, ... ]
- # p.children(false)
- # # -> [ Pathname:English.rb, Pathname:Env.rb, Pathname:abbrev.rb, ... ]
- #
- # Note that the result never contain the entries <tt>.</tt> and <tt>..</tt> in
- # the directory because they are not children.
- #
- # This method has existed since 1.8.1.
- #
- def children(with_directory=true)
- with_directory = false if @path == '.'
- result = []
- Dir.foreach(@path) {|e|
- next if e == '.' || e == '..'
- if with_directory
- result << self.class.new(File.join(@path, e))
- else
- result << self.class.new(e)
- end
- }
- result
- end
-
- #
- # #relative_path_from returns a relative path from the argument to the
- # receiver. If +self+ is absolute, the argument must be absolute too. If
- # +self+ is relative, the argument must be relative too.
- #
- # #relative_path_from doesn't access the filesystem. It assumes no symlinks.
- #
- # ArgumentError is raised when it cannot find a relative path.
- #
- # This method has existed since 1.8.1.
- #
- def relative_path_from(base_directory)
- dest_directory = self.cleanpath.to_s
- base_directory = base_directory.cleanpath.to_s
- dest_prefix = dest_directory
- dest_names = []
- while r = chop_basename(dest_prefix)
- dest_prefix, basename = r
- dest_names.unshift basename if basename != '.'
- end
- base_prefix = base_directory
- base_names = []
- while r = chop_basename(base_prefix)
- base_prefix, basename = r
- base_names.unshift basename if basename != '.'
- end
- if dest_prefix != base_prefix
- raise ArgumentError, "different prefix: #{dest_prefix.inspect} and #{base_directory.inspect}"
- end
- while !dest_names.empty? &&
- !base_names.empty? &&
- dest_names.first == base_names.first
- dest_names.shift
- base_names.shift
- end
- if base_names.include? '..'
- raise ArgumentError, "base_directory has ..: #{base_directory.inspect}"
- end
- base_names.fill('..')
- relpath_names = base_names + dest_names
- if relpath_names.empty?
- Pathname.new('.')
- else
- Pathname.new(File.join(*relpath_names))
- end
- end
-end
-
-class Pathname # * IO *
- #
- # #each_line iterates over the line in the file. It yields a String object
- # for each line.
- #
- # This method has existed since 1.8.1.
- #
- def each_line(*args, &block) # :yield: line
- IO.foreach(@path, *args, &block)
- end
-
- # Pathname#foreachline is *obsoleted* at 1.8.1. Use #each_line.
- def foreachline(*args, &block)
- warn "Pathname#foreachline is obsoleted. Use Pathname#each_line."
- each_line(*args, &block)
- end
-
- # See <tt>IO.read</tt>. Returns all the bytes from the file, or the first +N+
- # if specified.
- def read(*args) IO.read(@path, *args) end
-
- # See <tt>IO.readlines</tt>. Returns all the lines from the file.
- def readlines(*args) IO.readlines(@path, *args) end
-
- # See <tt>IO.sysopen</tt>.
- def sysopen(*args) IO.sysopen(@path, *args) end
-end
-
-
-class Pathname # * File *
-
- # See <tt>File.atime</tt>. Returns last access time.
- def atime() File.atime(@path) end
-
- # See <tt>File.ctime</tt>. Returns last (directory entry, not file) change time.
- def ctime() File.ctime(@path) end
-
- # See <tt>File.mtime</tt>. Returns last modification time.
- def mtime() File.mtime(@path) end
-
- # See <tt>File.chmod</tt>. Changes permissions.
- def chmod(mode) File.chmod(mode, @path) end
-
- # See <tt>File.lchmod</tt>.
- def lchmod(mode) File.lchmod(mode, @path) end
-
- # See <tt>File.chown</tt>. Change owner and group of file.
- def chown(owner, group) File.chown(owner, group, @path) end
-
- # See <tt>File.lchown</tt>.
- def lchown(owner, group) File.lchown(owner, group, @path) end
-
- # See <tt>File.fnmatch</tt>. Return +true+ if the receiver matches the given
- # pattern.
- def fnmatch(pattern, *args) File.fnmatch(pattern, @path, *args) end
-
- # See <tt>File.fnmatch?</tt> (same as #fnmatch).
- def fnmatch?(pattern, *args) File.fnmatch?(pattern, @path, *args) end
-
- # See <tt>File.ftype</tt>. Returns "type" of file ("file", "directory",
- # etc).
- def ftype() File.ftype(@path) end
-
- # See <tt>File.link</tt>. Creates a hard link.
- def make_link(old) File.link(old, @path) end
-
- # See <tt>File.open</tt>. Opens the file for reading or writing.
- def open(*args, &block) # :yield: file
- File.open(@path, *args, &block)
- end
-
- # See <tt>File.readlink</tt>. Read symbolic link.
- def readlink() self.class.new(File.readlink(@path)) end
-
- # See <tt>File.rename</tt>. Rename the file.
- def rename(to) File.rename(@path, to) end
-
- # See <tt>File.stat</tt>. Returns a <tt>File::Stat</tt> object.
- def stat() File.stat(@path) end
-
- # See <tt>File.lstat</tt>.
- def lstat() File.lstat(@path) end
-
- # See <tt>File.symlink</tt>. Creates a symbolic link.
- def make_symlink(old) File.symlink(old, @path) end
-
- # See <tt>File.truncate</tt>. Truncate the file to +length+ bytes.
- def truncate(length) File.truncate(@path, length) end
-
- # See <tt>File.utime</tt>. Update the access and modification times.
- def utime(atime, mtime) File.utime(atime, mtime, @path) end
-
- # See <tt>File.basename</tt>. Returns the last component of the path.
- def basename(*args) self.class.new(File.basename(@path, *args)) end
-
- # See <tt>File.dirname</tt>. Returns all but the last component of the path.
- def dirname() self.class.new(File.dirname(@path)) end
-
- # See <tt>File.extname</tt>. Returns the file's extension.
- def extname() File.extname(@path) end
-
- # See <tt>File.expand_path</tt>.
- def expand_path(*args) self.class.new(File.expand_path(@path, *args)) end
-
- # See <tt>File.split</tt>. Returns the #dirname and the #basename in an
- # Array.
- def split() File.split(@path).map {|f| self.class.new(f) } end
-
- # Pathname#link is confusing and *obsoleted* because the receiver/argument
- # order is inverted to corresponding system call.
- def link(old)
- warn 'Pathname#link is obsoleted. Use Pathname#make_link.'
- File.link(old, @path)
- end
-
- # Pathname#symlink is confusing and *obsoleted* because the receiver/argument
- # order is inverted to corresponding system call.
- def symlink(old)
- warn 'Pathname#symlink is obsoleted. Use Pathname#make_symlink.'
- File.symlink(old, @path)
- end
-end
-
-
-class Pathname # * FileTest *
-
- # See <tt>FileTest.blockdev?</tt>.
- def blockdev?() FileTest.blockdev?(@path) end
-
- # See <tt>FileTest.chardev?</tt>.
- def chardev?() FileTest.chardev?(@path) end
-
- # See <tt>FileTest.executable?</tt>.
- def executable?() FileTest.executable?(@path) end
-
- # See <tt>FileTest.executable_real?</tt>.
- def executable_real?() FileTest.executable_real?(@path) end
-
- # See <tt>FileTest.exist?</tt>.
- def exist?() FileTest.exist?(@path) end
-
- # See <tt>FileTest.grpowned?</tt>.
- def grpowned?() FileTest.grpowned?(@path) end
-
- # See <tt>FileTest.directory?</tt>.
- def directory?() FileTest.directory?(@path) end
-
- # See <tt>FileTest.file?</tt>.
- def file?() FileTest.file?(@path) end
-
- # See <tt>FileTest.pipe?</tt>.
- def pipe?() FileTest.pipe?(@path) end
-
- # See <tt>FileTest.socket?</tt>.
- def socket?() FileTest.socket?(@path) end
-
- # See <tt>FileTest.owned?</tt>.
- def owned?() FileTest.owned?(@path) end
-
- # See <tt>FileTest.readable?</tt>.
- def readable?() FileTest.readable?(@path) end
-
- # See <tt>FileTest.world_readable?</tt>.
- def world_readable?() FileTest.world_readable?(@path) end
-
- # See <tt>FileTest.readable_real?</tt>.
- def readable_real?() FileTest.readable_real?(@path) end
-
- # See <tt>FileTest.setuid?</tt>.
- def setuid?() FileTest.setuid?(@path) end
-
- # See <tt>FileTest.setgid?</tt>.
- def setgid?() FileTest.setgid?(@path) end
-
- # See <tt>FileTest.size</tt>.
- def size() FileTest.size(@path) end
-
- # See <tt>FileTest.size?</tt>.
- def size?() FileTest.size?(@path) end
-
- # See <tt>FileTest.sticky?</tt>.
- def sticky?() FileTest.sticky?(@path) end
-
- # See <tt>FileTest.symlink?</tt>.
- def symlink?() FileTest.symlink?(@path) end
-
- # See <tt>FileTest.writable?</tt>.
- def writable?() FileTest.writable?(@path) end
-
- # See <tt>FileTest.world_writable?</tt>.
- def world_writable?() FileTest.world_writable?(@path) end
-
- # See <tt>FileTest.writable_real?</tt>.
- def writable_real?() FileTest.writable_real?(@path) end
-
- # See <tt>FileTest.zero?</tt>.
- def zero?() FileTest.zero?(@path) end
-end
-
-
-class Pathname # * Dir *
- # See <tt>Dir.glob</tt>. Returns or yields Pathname objects.
- def Pathname.glob(*args) # :yield: p
- if block_given?
- Dir.glob(*args) {|f| yield self.new(f) }
- else
- Dir.glob(*args).map {|f| self.new(f) }
- end
- end
-
- # See <tt>Dir.getwd</tt>. Returns the current working directory as a Pathname.
- def Pathname.getwd() self.new(Dir.getwd) end
- class << self; alias pwd getwd end
-
- # Pathname#chdir is *obsoleted* at 1.8.1.
- def chdir(&block)
- warn "Pathname#chdir is obsoleted. Use Dir.chdir."
- Dir.chdir(@path, &block)
- end
-
- # Pathname#chroot is *obsoleted* at 1.8.1.
- def chroot
- warn "Pathname#chroot is obsoleted. Use Dir.chroot."
- Dir.chroot(@path)
- end
-
- # Return the entries (files and subdirectories) in the directory, each as a
- # Pathname object.
- def entries() Dir.entries(@path).map {|f| self.class.new(f) } end
-
- # Iterates over the entries (files and subdirectories) in the directory. It
- # yields a Pathname object for each entry.
- #
- # This method has existed since 1.8.1.
- def each_entry(&block) # :yield: p
- Dir.foreach(@path) {|f| yield self.class.new(f) }
- end
-
- # Pathname#dir_foreach is *obsoleted* at 1.8.1.
- def dir_foreach(*args, &block)
- warn "Pathname#dir_foreach is obsoleted. Use Pathname#each_entry."
- each_entry(*args, &block)
- end
-
- # See <tt>Dir.mkdir</tt>. Create the referenced directory.
- def mkdir(*args) Dir.mkdir(@path, *args) end
-
- # See <tt>Dir.rmdir</tt>. Remove the referenced directory.
- def rmdir() Dir.rmdir(@path) end
-
- # See <tt>Dir.open</tt>.
- def opendir(&block) # :yield: dir
- Dir.open(@path, &block)
- end
-end
-
-
-class Pathname # * Find *
- #
- # Pathname#find is an iterator to traverse a directory tree in a depth first
- # manner. It yields a Pathname for each file under "this" directory.
- #
- # Since it is implemented by <tt>find.rb</tt>, <tt>Find.prune</tt> can be used
- # to control the traverse.
- #
- # If +self+ is <tt>.</tt>, yielded pathnames begin with a filename in the
- # current directory, not <tt>./</tt>.
- #
- def find(&block) # :yield: p
- require 'find'
- if @path == '.'
- Find.find(@path) {|f| yield self.class.new(f.sub(%r{\A\./}, '')) }
- else
- Find.find(@path) {|f| yield self.class.new(f) }
- end
- end
-end
-
-
-class Pathname # * FileUtils *
- # See <tt>FileUtils.mkpath</tt>. Creates a full path, including any
- # intermediate directories that don't yet exist.
- def mkpath
- require 'fileutils'
- FileUtils.mkpath(@path)
- nil
- end
-
- # See <tt>FileUtils.rm_r</tt>. Deletes a directory and all beneath it.
- def rmtree
- # The name "rmtree" is borrowed from File::Path of Perl.
- # File::Path provides "mkpath" and "rmtree".
- require 'fileutils'
- FileUtils.rm_r(@path)
- nil
- end
-end
-
-
-class Pathname # * mixed *
- # Removes a file or directory, using <tt>File.unlink</tt> or
- # <tt>Dir.unlink</tt> as necessary.
- def unlink()
- begin
- Dir.unlink @path
- rescue Errno::ENOTDIR
- File.unlink @path
- end
- end
- alias delete unlink
-
- # This method is *obsoleted* at 1.8.1. Use #each_line or #each_entry.
- def foreach(*args, &block)
- warn "Pathname#foreach is obsoleted. Use each_line or each_entry."
- if FileTest.directory? @path
- # For polymorphism between Dir.foreach and IO.foreach,
- # Pathname#foreach doesn't yield Pathname object.
- Dir.foreach(@path, *args, &block)
- else
- IO.foreach(@path, *args, &block)
- end
- end
-end
-
-module Kernel
- # create a pathname object.
- #
- # This method is available since 1.8.5.
- def Pathname(path) # :doc:
- Pathname.new(path)
- end
- private :Pathname
-end