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dc9603bd5c
(Pathname#make_link, Pathname#make_symlink): new method. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5097 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
750 lines
23 KiB
Ruby
750 lines
23 KiB
Ruby
# Object-Oriented Pathname Class
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#
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# Author:: Tanaka Akira <akr@m17n.org>
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# Pathname represents a pathname which locates a file in a filesystem.
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# It supports only Unix style pathnames.
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#
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# Pathname is immutable. It has no method for destructive update.
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#
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# pathname.rb is distributed with Ruby since 1.8.0.
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class Pathname
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def initialize(path)
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@path = path.to_str.dup
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@path.freeze
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if /\0/ =~ @path
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raise ArgumentError, "pathname contains \\0: #{@path.inspect}"
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end
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end
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def ==(other)
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return false unless Pathname === other
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other.to_s == @path
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end
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alias === ==
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alias eql? ==
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def <=>(other)
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return nil unless Pathname === other
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@path.tr('/', "\0") <=> other.to_s.tr('/', "\0")
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end
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def hash
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@path.hash
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end
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def to_s
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@path.dup
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end
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# to_str is implemented for Pathname object usable with File.open, etc.
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alias to_str to_s
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def inspect
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"#<#{self.class}:#{@path}>"
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end
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# cleanpath returns clean pathname of self which is without consecutive
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# slashes and useless dots.
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#
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# If true is given as the optional argument consider_symlink,
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# symbolic links are considered. It makes more dots are retained.
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#
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# cleanpath doesn't access actual filesystem.
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def cleanpath(consider_symlink=false)
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if consider_symlink
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cleanpath_conservative
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else
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cleanpath_aggressive
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end
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end
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def cleanpath_aggressive # :nodoc:
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# cleanpath_aggressive assumes:
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# * no symlink
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# * all pathname prefix contained in the pathname is existing directory
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return Pathname.new('') if @path == ''
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absolute = absolute?
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names = []
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@path.scan(%r{[^/]+}) {|name|
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next if name == '.'
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if name == '..'
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if names.empty?
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next if absolute
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else
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if names.last != '..'
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names.pop
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next
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end
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end
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end
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names << name
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}
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return Pathname.new(absolute ? '/' : '.') if names.empty?
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path = absolute ? '/' : ''
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path << names.join('/')
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Pathname.new(path)
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end
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def cleanpath_conservative # :nodoc:
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return Pathname.new('') if @path == ''
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names = @path.scan(%r{[^/]+})
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last_dot = names.last == '.'
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names.delete('.')
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names.shift while names.first == '..' if absolute?
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return Pathname.new(absolute? ? '/' : '.') if names.empty?
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path = absolute? ? '/' : ''
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path << names.join('/')
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if names.last != '..'
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if last_dot
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path << '/.'
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elsif %r{/\z} =~ @path
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path << '/'
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end
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end
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Pathname.new(path)
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end
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# realpath returns a real pathname of self in actual filesystem.
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# The real pathname doesn't contain a symlink and useless dots.
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#
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# It returns absolute pathname.
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def realpath(*args)
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unless args.empty?
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warn "The argument for Pathname#realpath is obsoleted."
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end
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force_absolute = args.fetch(0, true)
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if %r{\A/} =~ @path
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top = '/'
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unresolved = @path.scan(%r{[^/]+})
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elsif force_absolute
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# Although POSIX getcwd returns a pathname which contains no symlink,
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# 4.4BSD-Lite2 derived getcwd may return the environment variable $PWD
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# which may contain a symlink.
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# So the return value of Dir.pwd should be examined.
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top = '/'
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unresolved = Dir.pwd.scan(%r{[^/]+}) + @path.scan(%r{[^/]+})
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else
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top = ''
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unresolved = @path.scan(%r{[^/]+})
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end
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resolved = []
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until unresolved.empty?
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case unresolved.last
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when '.'
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unresolved.pop
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when '..'
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resolved.unshift unresolved.pop
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else
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loop_check = {}
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while (stat = File.lstat(path = top + unresolved.join('/'))).symlink?
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symlink_id = "#{stat.dev}:#{stat.ino}"
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raise Errno::ELOOP.new(path) if loop_check[symlink_id]
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loop_check[symlink_id] = true
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if %r{\A/} =~ (link = File.readlink(path))
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top = '/'
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unresolved = link.scan(%r{[^/]+})
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else
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unresolved[-1,1] = link.scan(%r{[^/]+})
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end
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end
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next if (filename = unresolved.pop) == '.'
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if filename != '..' && resolved.first == '..'
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resolved.shift
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else
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resolved.unshift filename
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end
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end
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end
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if top == '/'
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resolved.shift while resolved[0] == '..'
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end
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if resolved.empty?
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Pathname.new(top.empty? ? '.' : '/')
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else
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Pathname.new(top + resolved.join('/'))
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end
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end
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# parent method returns parent directory.
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#
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# If self is `.', `..' is returned.
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# Otherwise, `..' is joined to self.
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def parent
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if @path == '.'
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Pathname.new('..')
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else
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self.join('..')
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end
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end
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# mountpoint? method returns true if self points a mountpoint.
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def mountpoint?
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begin
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stat1 = self.lstat
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stat2 = self.parent.lstat
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stat1.dev == stat2.dev && stat1.ino == stat2.ino ||
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stat1.dev != stat2.dev
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rescue Errno::ENOENT
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false
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end
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end
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# root? method is a predicate for root directory.
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# I.e. it returns true if the pathname consists of consecutive slashes.
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#
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# It doesn't access actual filesystem.
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# So it may return false for some pathnames
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# which points root such as "/usr/..".
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def root?
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%r{\A/+\z} =~ @path ? true : false
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end
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# absolute? method is a predicate for absolute pathname.
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# It returns true if self is beginning with a slash.
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def absolute?
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%r{\A/} =~ @path ? true : false
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end
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# relative? method is a predicate for relative pathname.
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# It returns true unless self is beginning with a slash.
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def relative?
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!absolute?
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end
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# each_filename iterates over self for each filename components.
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def each_filename
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@path.scan(%r{[^/]+}) { yield $& }
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end
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# Pathname#+ return new pathname which is concatenated with self and
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# an argument.
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# If self is the current working directory `.' or
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# the argument is absolute pathname,
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# the argument is just returned.
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# If the argument is `.', self is returned.
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def +(other)
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other = Pathname.new(other) unless Pathname === other
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if @path == '.' || other.absolute?
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other
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elsif other.to_s == '.'
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self
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elsif %r{/\z} =~ @path
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Pathname.new(@path + other.to_s)
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else
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Pathname.new(@path + '/' + other.to_s)
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end
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end
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# Pathname#join joins pathnames.
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#
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# path0.join(path1, ... pathN) is same as path0 + path1 + ... + pathN.
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def join(*args)
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args.map! {|arg| Pathname === arg ? arg : Pathname.new(arg) }
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args.inject(self) {|pathname, arg| pathname + arg }
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end
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# Pathname#children returns the children of the directory as an array of
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# pathnames.
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#
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# By default, the returned pathname can be used to access the corresponding
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# file in the directory.
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# This is because the pathname contains self as a prefix unless self is `.'.
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#
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# If false is given for the optional argument `with_directory',
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# just filenames of children is returned.
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# In this case, the returned pathname cannot be used directly to access the
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# corresponding file when self doesn't point working directory.
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#
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# Note that the result never contain the entry `.' and `..' in the directory
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# because they are not child.
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#
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# This method is exist since 1.8.1.
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def children(with_directory=true)
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with_directory = false if @path == '.'
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result = []
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Dir.foreach(@path) {|e|
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next if e == '.' || e == '..'
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if with_directory
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result << Pathname.new(File.join(@path, e))
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else
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result << Pathname.new(e)
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end
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}
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result
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end
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# Pathname#relative_path_from returns a relative path from the argument to
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# self.
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# If self is absolute, the argument must be absolute too.
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# If self is relative, the argument must be relative too.
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#
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# relative_path_from doesn't access actual filesystem.
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# It assumes no symlinks.
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#
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# ArgumentError is raised when it cannot find a relative path.
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#
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# This method is exist since 1.8.1.
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def relative_path_from(base_directory)
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if self.absolute? != base_directory.absolute?
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raise ArgumentError,
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"relative path between absolute and relative path: #{self.inspect}, #{base_directory.inspect}"
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end
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dest = []
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self.cleanpath.each_filename {|f|
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next if f == '.'
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dest << f
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}
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base = []
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base_directory.cleanpath.each_filename {|f|
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next if f == '.'
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base << f
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}
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while !base.empty? && !dest.empty? && base[0] == dest[0]
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base.shift
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dest.shift
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end
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if base.include? '..'
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raise ArgumentError, "base_directory has ..: #{base_directory.inspect}"
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end
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base.fill '..'
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relpath = base + dest
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if relpath.empty?
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Pathname.new(".")
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else
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Pathname.new(relpath.join('/'))
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end
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end
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end
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# IO
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class Pathname
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# Pathname#each_line iterates over lines of the file.
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# It's yields a String object for each line.
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#
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# This method is exist since 1.8.1.
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def each_line(*args, &block) IO.foreach(@path, *args, &block) end
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# Pathname#foreachline is obsoleted at 1.8.1.
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#
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def foreachline(*args, &block) # compatibility to 1.8.0. obsoleted.
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warn "Pathname#foreachline is obsoleted. Use Pathname#each_line."
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each_line(*args, &block)
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end
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def read(*args) IO.read(@path, *args) end
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def readlines(*args) IO.readlines(@path, *args) end
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def sysopen(*args) IO.sysopen(@path, *args) end
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end
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# File
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class Pathname
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def atime() File.atime(@path) end
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def ctime() File.ctime(@path) end
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def mtime() File.mtime(@path) end
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def chmod(mode) File.chmod(mode, @path) end
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def lchmod(mode) File.chmod(mode, @path) end
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def chown(owner, group) File.chown(owner, group, @path) end
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def lchown(owner, group) File.lchown(owner, group, @path) end
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def fnmatch(pattern, *args) File.fnmatch(pattern, @path, *args) end
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def fnmatch?(pattern, *args) File.fnmatch?(pattern, @path, *args) end
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def ftype() File.ftype(@path) end
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def make_link(old) File.link(old, @path) end
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def open(*args, &block) File.open(@path, *args, &block) end
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def readlink() Pathname.new(File.readlink(@path)) end
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def rename(to) File.rename(@path, to) end
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def stat() File.stat(@path) end
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def lstat() File.lstat(@path) end
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def make_symlink(old) File.symlink(old, @path) end
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def truncate(length) File.truncate(@path, length) end
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def utime(atime, mtime) File.utime(atime, mtime, @path) end
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def basename(*args) Pathname.new(File.basename(@path, *args)) end
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def dirname() Pathname.new(File.dirname(@path)) end
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def extname() File.extname(@path) end
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def expand_path(*args) Pathname.new(File.expand_path(@path, *args)) end
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def split() File.split(@path).map {|f| Pathname.new(f) } end
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# Pathname#link is confusing and obsoleted because the receiver/argument
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# order is inverted to corresponding system call.
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def link(old)
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warn 'Pathname#link is obsoleted. Use Pathname#make_link.'
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File.link(old, @path)
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end
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# Pathname#symlink is confusing and obsoleted because the receiver/argument
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# order is inverted to corresponding system call.
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def symlink(old)
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warn 'Pathname#symlink is obsoleted. Use Pathname#make_symlink.'
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File.symlink(old, @path)
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end
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end
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# FileTest
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class Pathname
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def blockdev?() FileTest.blockdev?(@path) end
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def chardev?() FileTest.chardev?(@path) end
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def executable?() FileTest.executable?(@path) end
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def executable_real?() FileTest.executable_real?(@path) end
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def exist?() FileTest.exist?(@path) end
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def grpowned?() FileTest.grpowned?(@path) end
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def directory?() FileTest.directory?(@path) end
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def file?() FileTest.file?(@path) end
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def pipe?() FileTest.pipe?(@path) end
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def socket?() FileTest.socket?(@path) end
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def owned?() FileTest.owned?(@path) end
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def readable?() FileTest.readable?(@path) end
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def readable_real?() FileTest.readable_real?(@path) end
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def setuid?() FileTest.setuid?(@path) end
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def setgid?() FileTest.setgid?(@path) end
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def size() FileTest.size(@path) end
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def size?() FileTest.size?(@path) end
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def sticky?() FileTest.sticky?(@path) end
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def symlink?() FileTest.symlink?(@path) end
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def writable?() FileTest.writable?(@path) end
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def writable_real?() FileTest.writable_real?(@path) end
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def zero?() FileTest.zero?(@path) end
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end
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# Dir
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class Pathname
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def Pathname.glob(*args)
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if block_given?
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Dir.glob(*args) {|f| yield Pathname.new(f) }
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else
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Dir.glob(*args).map {|f| Pathname.new(f) }
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end
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end
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def Pathname.getwd() Pathname.new(Dir.getwd) end
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class << self; alias pwd getwd end
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# Pathname#chdir is obsoleted at 1.8.1.
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#
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def chdir(&block) # compatibility to 1.8.0.
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warn "Pathname#chdir is obsoleted. Use Dir.chdir."
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Dir.chdir(@path, &block)
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end
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# Pathname#chroot is obsoleted at 1.8.1.
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#
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def chroot # compatibility to 1.8.0.
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warn "Pathname#chroot is obsoleted. Use Dir.chroot."
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Dir.chroot(@path)
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end
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def rmdir() Dir.rmdir(@path) end
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def entries() Dir.entries(@path).map {|f| Pathname.new(f) } end
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# Pathname#each_entry iterates over entries of the directory.
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# It's yields Pathname objects for each entry.
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#
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# This method is exist since 1.8.1.
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def each_entry(&block) Dir.foreach(@path) {|f| yield Pathname.new(f) } end
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# Pathname#dir_foreach is obsoleted at 1.8.1.
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#
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def dir_foreach(*args, &block) # compatibility to 1.8.0. obsoleted.
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warn "Pathname#dir_foreach is obsoleted. Use Pathname#each_entry."
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each_entry(*args, &block)
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end
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def mkdir(*args) Dir.mkdir(@path, *args) end
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def opendir(&block) Dir.open(@path, &block) end
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end
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# Find
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class Pathname
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# Pathname#find is a iterator to traverse directory tree in depth first
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# manner. It yields a pathname for each file under the directory which
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# is pointed by self.
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#
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# Since it is implemented by find.rb, Find.prune can be used to control the
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# traverse.
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#
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# If self is `.', yielded pathnames begin with a filename in the current
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# directory, not `./'.
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def find(&block)
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require 'find'
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if @path == '.'
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Find.find(@path) {|f| yield Pathname.new(f.sub(%r{\A\./}, '')) }
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else
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Find.find(@path) {|f| yield Pathname.new(f) }
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end
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end
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end
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# FileUtils
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class Pathname
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def mkpath
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require 'fileutils'
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FileUtils.mkpath(@path)
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nil
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end
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def rmtree
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# The name "rmtree" is borrowed from File::Path of Perl.
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# File::Path provides "mkpath" and "rmtree".
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require 'fileutils'
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FileUtils.rm_r(@path)
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nil
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end
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end
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# mixed
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class Pathname
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def unlink()
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if FileTest.directory? @path
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Dir.unlink @path
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else
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File.unlink @path
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end
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end
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alias delete unlink
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# This method is obsoleted at 1.8.1.
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#
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def foreach(*args, &block) # compatibility to 1.8.0. obsoleted.
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warn "Pathname#foreach is obsoleted. Use each_line or each_entry."
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if FileTest.directory? @path
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|
# 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
|
|
|
|
if $0 == __FILE__
|
|
require 'test/unit'
|
|
|
|
class PathnameTest < Test::Unit::TestCase # :nodoc:
|
|
class AnotherStringLike # :nodoc:
|
|
def initialize(s) @s = s end
|
|
def to_str() @s end
|
|
def ==(other) @s == other end
|
|
end
|
|
|
|
def test_equality
|
|
obj = Pathname.new("a")
|
|
str = "a"
|
|
sym = :a
|
|
ano = AnotherStringLike.new("a")
|
|
assert_equal(false, obj == str)
|
|
assert_equal(false, str == obj)
|
|
assert_equal(false, obj == ano)
|
|
assert_equal(false, ano == obj)
|
|
assert_equal(false, obj == sym)
|
|
assert_equal(false, sym == obj)
|
|
|
|
obj2 = Pathname.new("a")
|
|
assert_equal(true, obj == obj2)
|
|
assert_equal(true, obj === obj2)
|
|
assert_equal(true, obj.eql?(obj2))
|
|
end
|
|
|
|
def test_hashkey
|
|
h = {}
|
|
h[Pathname.new("a")] = 1
|
|
h[Pathname.new("a")] = 2
|
|
assert_equal(1, h.size)
|
|
end
|
|
|
|
def assert_pathname_cmp(e, s1, s2)
|
|
p1 = Pathname.new(s1)
|
|
p2 = Pathname.new(s2)
|
|
r = p1 <=> p2
|
|
assert(e == r,
|
|
"#{p1.inspect} <=> #{p2.inspect}: <#{e}> expected but was <#{r}>")
|
|
end
|
|
def test_comparison
|
|
assert_pathname_cmp( 0, "a", "a")
|
|
assert_pathname_cmp( 1, "b", "a")
|
|
assert_pathname_cmp(-1, "a", "b")
|
|
ss = %w(
|
|
a
|
|
a/
|
|
a/b
|
|
a.
|
|
a0
|
|
)
|
|
s1 = ss.shift
|
|
ss.each {|s2|
|
|
assert_pathname_cmp(-1, s1, s2)
|
|
s1 = s2
|
|
}
|
|
end
|
|
|
|
def test_comparison_string
|
|
assert_equal(nil, Pathname.new("a") <=> "a")
|
|
assert_equal(nil, "a" <=> Pathname.new("a"))
|
|
end
|
|
|
|
def test_syntactical
|
|
assert_equal(true, Pathname.new("/").root?)
|
|
assert_equal(true, Pathname.new("//").root?)
|
|
assert_equal(true, Pathname.new("///").root?)
|
|
assert_equal(false, Pathname.new("").root?)
|
|
assert_equal(false, Pathname.new("a").root?)
|
|
end
|
|
|
|
def test_cleanpath
|
|
assert_equal('/', Pathname.new('/').cleanpath(true).to_s)
|
|
assert_equal('/', Pathname.new('//').cleanpath(true).to_s)
|
|
assert_equal('', Pathname.new('').cleanpath(true).to_s)
|
|
|
|
assert_equal('.', Pathname.new('.').cleanpath(true).to_s)
|
|
assert_equal('..', Pathname.new('..').cleanpath(true).to_s)
|
|
assert_equal('a', Pathname.new('a').cleanpath(true).to_s)
|
|
assert_equal('/', Pathname.new('/.').cleanpath(true).to_s)
|
|
assert_equal('/', Pathname.new('/..').cleanpath(true).to_s)
|
|
assert_equal('/a', Pathname.new('/a').cleanpath(true).to_s)
|
|
assert_equal('.', Pathname.new('./').cleanpath(true).to_s)
|
|
assert_equal('..', Pathname.new('../').cleanpath(true).to_s)
|
|
assert_equal('a/', Pathname.new('a/').cleanpath(true).to_s)
|
|
|
|
assert_equal('a/b', Pathname.new('a//b').cleanpath(true).to_s)
|
|
assert_equal('a/.', Pathname.new('a/.').cleanpath(true).to_s)
|
|
assert_equal('a/.', Pathname.new('a/./').cleanpath(true).to_s)
|
|
assert_equal('a/..', Pathname.new('a/../').cleanpath(true).to_s)
|
|
assert_equal('/a/.', Pathname.new('/a/.').cleanpath(true).to_s)
|
|
assert_equal('..', Pathname.new('./..').cleanpath(true).to_s)
|
|
assert_equal('..', Pathname.new('../.').cleanpath(true).to_s)
|
|
assert_equal('..', Pathname.new('./../').cleanpath(true).to_s)
|
|
assert_equal('..', Pathname.new('.././').cleanpath(true).to_s)
|
|
assert_equal('/', Pathname.new('/./..').cleanpath(true).to_s)
|
|
assert_equal('/', Pathname.new('/../.').cleanpath(true).to_s)
|
|
assert_equal('/', Pathname.new('/./../').cleanpath(true).to_s)
|
|
assert_equal('/', Pathname.new('/.././').cleanpath(true).to_s)
|
|
|
|
assert_equal('a/b/c', Pathname.new('a/b/c').cleanpath(true).to_s)
|
|
assert_equal('b/c', Pathname.new('./b/c').cleanpath(true).to_s)
|
|
assert_equal('a/c', Pathname.new('a/./c').cleanpath(true).to_s)
|
|
assert_equal('a/b/.', Pathname.new('a/b/.').cleanpath(true).to_s)
|
|
assert_equal('a/..', Pathname.new('a/../.').cleanpath(true).to_s)
|
|
|
|
assert_equal('/a', Pathname.new('/../.././../a').cleanpath(true).to_s)
|
|
assert_equal('a/b/../../../../c/../d',
|
|
Pathname.new('a/b/../../../../c/../d').cleanpath(true).to_s)
|
|
end
|
|
|
|
def test_cleanpath_no_symlink
|
|
assert_equal('/', Pathname.new('/').cleanpath.to_s)
|
|
assert_equal('/', Pathname.new('//').cleanpath.to_s)
|
|
assert_equal('', Pathname.new('').cleanpath.to_s)
|
|
|
|
assert_equal('.', Pathname.new('.').cleanpath.to_s)
|
|
assert_equal('..', Pathname.new('..').cleanpath.to_s)
|
|
assert_equal('a', Pathname.new('a').cleanpath.to_s)
|
|
assert_equal('/', Pathname.new('/.').cleanpath.to_s)
|
|
assert_equal('/', Pathname.new('/..').cleanpath.to_s)
|
|
assert_equal('/a', Pathname.new('/a').cleanpath.to_s)
|
|
assert_equal('.', Pathname.new('./').cleanpath.to_s)
|
|
assert_equal('..', Pathname.new('../').cleanpath.to_s)
|
|
assert_equal('a', Pathname.new('a/').cleanpath.to_s)
|
|
|
|
assert_equal('a/b', Pathname.new('a//b').cleanpath.to_s)
|
|
assert_equal('a', Pathname.new('a/.').cleanpath.to_s)
|
|
assert_equal('a', Pathname.new('a/./').cleanpath.to_s)
|
|
assert_equal('.', Pathname.new('a/../').cleanpath.to_s)
|
|
assert_equal('/a', Pathname.new('/a/.').cleanpath.to_s)
|
|
assert_equal('..', Pathname.new('./..').cleanpath.to_s)
|
|
assert_equal('..', Pathname.new('../.').cleanpath.to_s)
|
|
assert_equal('..', Pathname.new('./../').cleanpath.to_s)
|
|
assert_equal('..', Pathname.new('.././').cleanpath.to_s)
|
|
assert_equal('/', Pathname.new('/./..').cleanpath.to_s)
|
|
assert_equal('/', Pathname.new('/../.').cleanpath.to_s)
|
|
assert_equal('/', Pathname.new('/./../').cleanpath.to_s)
|
|
assert_equal('/', Pathname.new('/.././').cleanpath.to_s)
|
|
|
|
assert_equal('a/b/c', Pathname.new('a/b/c').cleanpath.to_s)
|
|
assert_equal('b/c', Pathname.new('./b/c').cleanpath.to_s)
|
|
assert_equal('a/c', Pathname.new('a/./c').cleanpath.to_s)
|
|
assert_equal('a/b', Pathname.new('a/b/.').cleanpath.to_s)
|
|
assert_equal('.', Pathname.new('a/../.').cleanpath.to_s)
|
|
|
|
assert_equal('/a', Pathname.new('/../.././../a').cleanpath.to_s)
|
|
assert_equal('../../d', Pathname.new('a/b/../../../../c/../d').cleanpath.to_s)
|
|
end
|
|
|
|
def test_destructive_update
|
|
path = Pathname.new("a")
|
|
path.to_s.replace "b"
|
|
assert_equal(Pathname.new("a"), path)
|
|
end
|
|
|
|
def test_null_character
|
|
assert_raises(ArgumentError) { Pathname.new("\0") }
|
|
end
|
|
|
|
def assert_relpath(result, dest, base)
|
|
assert_equal(Pathname.new(result),
|
|
Pathname.new(dest).relative_path_from(Pathname.new(base)))
|
|
end
|
|
|
|
def assert_relpath_err(dest, base)
|
|
assert_raises(ArgumentError) {
|
|
Pathname.new(dest).relative_path_from(Pathname.new(base))
|
|
}
|
|
end
|
|
|
|
def test_relative_path_from
|
|
assert_relpath("../a", "a", "b")
|
|
assert_relpath("../a", "a", "b/")
|
|
assert_relpath("../a", "a/", "b")
|
|
assert_relpath("../a", "a/", "b/")
|
|
assert_relpath("../a", "/a", "/b")
|
|
assert_relpath("../a", "/a", "/b/")
|
|
assert_relpath("../a", "/a/", "/b")
|
|
assert_relpath("../a", "/a/", "/b/")
|
|
|
|
assert_relpath("../b", "a/b", "a/c")
|
|
assert_relpath("../a", "../a", "../b")
|
|
|
|
assert_relpath("a", "a", ".")
|
|
assert_relpath("..", ".", "a")
|
|
|
|
assert_relpath(".", ".", ".")
|
|
assert_relpath(".", "..", "..")
|
|
assert_relpath("..", "..", ".")
|
|
|
|
assert_relpath("c/d", "/a/b/c/d", "/a/b")
|
|
assert_relpath("../..", "/a/b", "/a/b/c/d")
|
|
assert_relpath("../../../../e", "/e", "/a/b/c/d")
|
|
assert_relpath("../b/c", "a/b/c", "a/d")
|
|
|
|
assert_relpath("../a", "/../a", "/b")
|
|
assert_relpath("../../a", "../a", "b")
|
|
assert_relpath(".", "/a/../../b", "/b")
|
|
assert_relpath("..", "a/..", "a")
|
|
assert_relpath(".", "a/../b", "b")
|
|
|
|
assert_relpath("a", "a", "b/..")
|
|
assert_relpath("b/c", "b/c", "b/..")
|
|
|
|
assert_relpath_err("/", ".")
|
|
assert_relpath_err(".", "/")
|
|
assert_relpath_err("a", "..")
|
|
assert_relpath_err(".", "..")
|
|
end
|
|
|
|
def test_plus
|
|
assert_equal(Pathname.new('a/b'), Pathname.new('a') + Pathname.new('b'))
|
|
assert_equal(Pathname.new('a'), Pathname.new('a') + Pathname.new('.'))
|
|
assert_equal(Pathname.new('b'), Pathname.new('.') + Pathname.new('b'))
|
|
assert_equal(Pathname.new('.'), Pathname.new('.') + Pathname.new('.'))
|
|
assert_equal(Pathname.new('/b'), Pathname.new('a') + Pathname.new('/b'))
|
|
end
|
|
end
|
|
end
|