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Diffstat (limited to 'ext/pathname/lib/pathname.rb')
| -rw-r--r-- | ext/pathname/lib/pathname.rb | 600 |
1 files changed, 0 insertions, 600 deletions
diff --git a/ext/pathname/lib/pathname.rb b/ext/pathname/lib/pathname.rb deleted file mode 100644 index 9a297529ca..0000000000 --- a/ext/pathname/lib/pathname.rb +++ /dev/null @@ -1,600 +0,0 @@ -# frozen_string_literal: true -# -# = pathname.rb -# -# Object-Oriented Pathname Class -# -# Author:: Tanaka Akira <akr@m17n.org> -# Documentation:: Author and Gavin Sinclair -# -# For documentation, see class Pathname. -# - -require 'pathname.so' - -class Pathname - - # :stopdoc: - - # to_path is implemented so Pathname objects are usable with File.open, etc. - TO_PATH = :to_path - - SAME_PATHS = if File::FNM_SYSCASE.nonzero? - # Avoid #zero? here because #casecmp can return nil. - proc {|a, b| a.casecmp(b) == 0} - else - proc {|a, b| a == b} - end - - - if File::ALT_SEPARATOR - SEPARATOR_LIST = "#{Regexp.quote File::ALT_SEPARATOR}#{Regexp.quote File::SEPARATOR}" - SEPARATOR_PAT = /[#{SEPARATOR_LIST}]/ - else - SEPARATOR_LIST = "#{Regexp.quote File::SEPARATOR}" - SEPARATOR_PAT = /#{Regexp.quote File::SEPARATOR}/ - end - - if File.dirname('A:') == 'A:.' # DOSish drive letter - ABSOLUTE_PATH = /\A(?:[A-Za-z]:|#{SEPARATOR_PAT})/o - else - ABSOLUTE_PATH = /\A#{SEPARATOR_PAT}/o - end - private_constant :ABSOLUTE_PATH - - # :startdoc: - - # chop_basename(path) -> [pre-basename, basename] or nil - def chop_basename(path) # :nodoc: - base = File.basename(path) - if /\A#{SEPARATOR_PAT}?\z/o.match?(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) # :nodoc: - 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) # :nodoc: - if relpath.empty? - File.dirname(prefix) - elsif /#{SEPARATOR_PAT}/o.match?(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 +..+ - # entries than absolutely necessary, but without accessing the filesystem, - # this can't be avoided. - # - # See Pathname#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 # :nodoc: - 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 - pre.tr!(File::ALT_SEPARATOR, File::SEPARATOR) if File::ALT_SEPARATOR - if /#{SEPARATOR_PAT}/o.match?(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) # :nodoc: - 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) # :nodoc: - 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) # :nodoc: - 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 # :nodoc: - path = @path - names = [] - pre = path - while r = chop_basename(pre) - pre, base = r - names.unshift base if base != '.' - end - pre.tr!(File::ALT_SEPARATOR, File::SEPARATOR) if File::ALT_SEPARATOR - if /#{SEPARATOR_PAT}/o.match?(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 - - # Returns the parent directory. - # - # This is same as <code>self + '..'</code>. - def parent - self + '..' - end - - # Returns +true+ if +self+ points to a mountpoint. - def mountpoint? - begin - stat1 = self.lstat - stat2 = self.parent.lstat - stat1.dev != stat2.dev || stat1.ino == stat2.ino - rescue Errno::ENOENT - false - end - end - - # - # Predicate method for root directories. Returns +true+ if the - # pathname consists of consecutive slashes. - # - # It doesn't access the 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.match?(@path) - end - - # Predicate method for testing whether a path is absolute. - # - # It returns +true+ if the pathname begins with a slash. - # - # p = Pathname.new('/im/sure') - # p.absolute? - # #=> true - # - # p = Pathname.new('not/so/sure') - # p.absolute? - # #=> false - def absolute? - ABSOLUTE_PATH.match? @path - end - - # The opposite of Pathname#absolute? - # - # It returns +false+ if the pathname begins with a slash. - # - # p = Pathname.new('/im/sure') - # p.relative? - # #=> false - # - # p = Pathname.new('not/so/sure') - # p.relative? - # #=> true - def relative? - !absolute? - end - - # - # Iterates over each component of the path. - # - # Pathname.new("/usr/bin/ruby").each_filename {|filename| ... } - # # yields "usr", "bin", and "ruby". - # - # Returns an Enumerator if no block was given. - # - # enum = Pathname.new("/usr/bin/ruby").each_filename - # # ... do stuff ... - # enum.each { |e| ... } - # # yields "usr", "bin", and "ruby". - # - def each_filename # :yield: filename - return to_enum(__method__) unless block_given? - _, 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> - # - # Returns an Enumerator if no block was given. - # - # enum = Pathname.new("/usr/bin/ruby").descend - # # ... do stuff ... - # enum.each { |e| ... } - # # yields Pathnames /, /usr, /usr/bin, and /usr/bin/ruby. - # - # It doesn't access the filesystem. - # - def descend - return to_enum(__method__) unless block_given? - 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> - # - # Returns an Enumerator if no block was given. - # - # enum = Pathname.new("/usr/bin/ruby").ascend - # # ... do stuff ... - # enum.each { |e| ... } - # # yields Pathnames /usr/bin/ruby, /usr/bin, /usr, and /. - # - # It doesn't access the filesystem. - # - def ascend - return to_enum(__method__) unless block_given? - path = @path - yield self - while r = chop_basename(path) - path, = r - break if path.empty? - yield self.class.new(del_trailing_separator(path)) - end - end - - # - # Appends a pathname fragment to +self+ 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 - # - # # / is aliased to +. - # p4 = p1 / "bin/ruby" # Pathname:/usr/bin/ruby - # p5 = 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 - alias / + - - def plus(path1, path2) # -> path # :nodoc: - 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 && (r1 = /#{SEPARATOR_PAT}/o.match?(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 - - # - # Joins the given pathnames onto +self+ to create a new Pathname object. - # - # path0 = Pathname.new("/usr") # Pathname:/usr - # path0 = path0.join("bin/ruby") # Pathname:/usr/bin/ruby - # # is the same as - # path1 = Pathname.new("/usr") + "bin/ruby" # Pathname:/usr/bin/ruby - # path0 == path1 - # #=> true - # - def join(*args) - return self if args.empty? - 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? - } - self + 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: - # pn = Pathname("/usr/lib/ruby/1.8") - # pn.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, ... ] - # pn.children(false) - # # -> [ Pathname:English.rb, Pathname:Env.rb, Pathname:abbrev.rb, ... ] - # - # Note that the results never contain the entries +.+ and +..+ in - # the directory because they are not children. - # - 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 - - # Iterates over the children of the directory - # (files and subdirectories, not recursive). - # - # It yields Pathname object for each child. - # - # By default, the yielded 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. - # - # Pathname("/usr/local").each_child {|f| p f } - # #=> #<Pathname:/usr/local/share> - # # #<Pathname:/usr/local/bin> - # # #<Pathname:/usr/local/games> - # # #<Pathname:/usr/local/lib> - # # #<Pathname:/usr/local/include> - # # #<Pathname:/usr/local/sbin> - # # #<Pathname:/usr/local/src> - # # #<Pathname:/usr/local/man> - # - # Pathname("/usr/local").each_child(false) {|f| p f } - # #=> #<Pathname:share> - # # #<Pathname:bin> - # # #<Pathname:games> - # # #<Pathname:lib> - # # #<Pathname:include> - # # #<Pathname:sbin> - # # #<Pathname:src> - # # #<Pathname:man> - # - # Note that the results never contain the entries +.+ and +..+ in - # the directory because they are not children. - # - # See Pathname#children - # - def each_child(with_directory=true, &b) - children(with_directory).each(&b) - end - - # - # Returns a relative path from the given +base_directory+ to the receiver. - # - # If +self+ is absolute, then +base_directory+ must be absolute too. - # - # If +self+ is relative, then +base_directory+ must be relative too. - # - # This method doesn't access the filesystem. It assumes no symlinks. - # - # ArgumentError is raised when it cannot find a relative path. - # - # Note that this method does not handle situations where the case sensitivity - # of the filesystem in use differs from the operating system default. - # - def relative_path_from(base_directory) - base_directory = Pathname.new(base_directory) unless base_directory.is_a? Pathname - 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 - unless SAME_PATHS[dest_prefix, base_prefix] - raise ArgumentError, "different prefix: #{dest_prefix.inspect} and #{base_directory.inspect}" - end - while !dest_names.empty? && - !base_names.empty? && - SAME_PATHS[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 # * Find * - # - # Iterates over the directory tree in a depth first manner, yielding a - # Pathname for each file under "this" directory. - # - # Returns an Enumerator if no block is given. - # - # Since it is implemented by the standard library module Find, Find.prune can - # be used to control the traversal. - # - # If +self+ is +.+, yielded pathnames begin with a filename in the - # current directory, not +./+. - # - # See Find.find - # - def find(ignore_error: true) # :yield: pathname - return to_enum(__method__, ignore_error: ignore_error) unless block_given? - require 'find' - if @path == '.' - Find.find(@path, ignore_error: ignore_error) {|f| yield self.class.new(f.sub(%r{\A\./}, '')) } - else - Find.find(@path, ignore_error: ignore_error) {|f| yield self.class.new(f) } - end - end -end - - -autoload(:FileUtils, 'fileutils') - -class Pathname # * FileUtils * - # Creates a full path, including any intermediate directories that don't yet - # exist. - # - # See FileUtils.mkpath and FileUtils.mkdir_p - def mkpath(mode: nil) - FileUtils.mkpath(@path, mode: mode) - nil - end - - # Recursively deletes a directory, including all directories beneath it. - # - # See FileUtils.rm_rf - def rmtree(noop: nil, verbose: nil, secure: nil) - # The name "rmtree" is borrowed from File::Path of Perl. - # File::Path provides "mkpath" and "rmtree". - require 'fileutils' - FileUtils.rm_rf(@path, noop: noop, verbose: verbose, secure: secure) - nil - end -end - |