Extract `FileSystem::File` from the main filesystem file.
This commit is contained in:
Robert Haines
parent
a1c9b63e61
commit
d1329299c3
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@ -47,7 +47,7 @@ Metrics/PerceivedComplexity:
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Naming/AccessorMethodName:
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Exclude:
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- 'lib/zip/entry.rb'
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- 'lib/zip/filesystem.rb'
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- 'lib/zip/filesystem/file.rb'
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- 'lib/zip/input_stream.rb'
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- 'lib/zip/streamable_stream.rb'
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@ -76,8 +76,8 @@ Style/IfUnlessModifier:
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Exclude:
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- 'lib/zip/entry.rb'
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- 'lib/zip/file.rb'
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- 'lib/zip/filesystem.rb'
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- 'lib/zip/filesystem/dir.rb'
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- 'lib/zip/filesystem/file.rb'
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- 'lib/zip/pass_thru_decompressor.rb'
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- 'lib/zip/streamable_stream.rb'
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@ -101,7 +101,7 @@ Style/NumericPredicate:
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- 'lib/zip/extra_field/universal_time.rb'
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- 'lib/zip/extra_field/unix.rb'
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- 'lib/zip/file.rb'
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- 'lib/zip/filesystem.rb'
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- 'lib/zip/filesystem/file.rb'
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- 'lib/zip/input_stream.rb'
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- 'lib/zip/ioextras.rb'
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- 'lib/zip/ioextras/abstract_input_stream.rb'
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@ -4,6 +4,7 @@ require 'zip'
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require_relative 'filesystem/zip_file_name_mapper'
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require_relative 'filesystem/directory_iterator'
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require_relative 'filesystem/dir'
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require_relative 'filesystem/file'
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module Zip
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# The ZipFileSystem API provides an API for accessing entries in
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@ -42,7 +43,7 @@ module Zip
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def initialize # :nodoc:
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mapped_zip = ZipFileNameMapper.new(self)
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@zip_fs_dir = Dir.new(mapped_zip)
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@zip_fs_file = ZipFsFile.new(mapped_zip)
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@zip_fs_file = File.new(mapped_zip)
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@zip_fs_dir.file = @zip_fs_file
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@zip_fs_file.dir = @zip_fs_dir
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end
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@ -54,381 +55,12 @@ module Zip
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@zip_fs_dir
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end
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# Returns a ZipFsFile which is much like ruby's builtin File (class)
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# object, except it works on the Zip::File on which this method is
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# Returns a FileSystem::File which is much like ruby's builtin File
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# (class) object, except it works on the Zip::File on which this method is
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# invoked
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def file
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@zip_fs_file
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end
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# Instances of this class are normally accessed via the accessor
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# Zip::File::file. An instance of ZipFsFile behaves like ruby's
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# builtin File (class) object, except it works on Zip::File entries.
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#
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# The individual methods are not documented due to their
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# similarity with the methods in File
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class ZipFsFile
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attr_writer :dir
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class ZipFsStat
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class << self
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def delegate_to_fs_file(*methods)
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methods.each do |method|
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class_eval <<-END_EVAL, __FILE__, __LINE__ + 1
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def #{method} # def file?
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@zip_fs_file.#{method}(@entry_name) # @zip_fs_file.file?(@entry_name)
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end # end
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END_EVAL
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end
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end
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end
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def initialize(zip_fs_file, entry_name)
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@zip_fs_file = zip_fs_file
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@entry_name = entry_name
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end
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def kind_of?(type)
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super || type == ::File::Stat
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end
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delegate_to_fs_file :file?, :directory?, :pipe?, :chardev?, :symlink?,
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:socket?, :blockdev?, :readable?, :readable_real?, :writable?, :ctime,
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:writable_real?, :executable?, :executable_real?, :sticky?, :owned?,
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:grpowned?, :setuid?, :setgid?, :zero?, :size, :size?, :mtime, :atime
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def blocks
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nil
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end
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def get_entry
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@zip_fs_file.__send__(:get_entry, @entry_name)
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end
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private :get_entry
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def gid
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e = get_entry
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if e.extra.member? 'IUnix'
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e.extra['IUnix'].gid || 0
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else
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0
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end
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end
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def uid
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e = get_entry
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if e.extra.member? 'IUnix'
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e.extra['IUnix'].uid || 0
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else
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0
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end
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end
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def ino
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0
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end
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def dev
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0
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end
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def rdev
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0
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end
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def rdev_major
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0
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end
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def rdev_minor
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0
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end
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def ftype
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if file?
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'file'
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elsif directory?
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'directory'
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else
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raise StandardError, 'Unknown file type'
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end
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end
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def nlink
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1
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end
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def blksize
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nil
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end
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def mode
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e = get_entry
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if e.fstype == 3
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e.external_file_attributes >> 16
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else
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33_206 # 33206 is equivalent to -rw-rw-rw-
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end
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end
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end
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def initialize(mapped_zip)
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@mapped_zip = mapped_zip
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end
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def get_entry(filename)
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unless exists?(filename)
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raise Errno::ENOENT, "No such file or directory - #{filename}"
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end
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@mapped_zip.find_entry(filename)
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end
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private :get_entry
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def unix_mode_cmp(filename, mode)
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e = get_entry(filename)
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e.fstype == 3 && ((e.external_file_attributes >> 16) & mode) != 0
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rescue Errno::ENOENT
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false
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end
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private :unix_mode_cmp
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def exists?(filename)
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expand_path(filename) == '/' || !@mapped_zip.find_entry(filename).nil?
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end
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alias exist? exists?
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# Permissions not implemented, so if the file exists it is accessible
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alias owned? exists?
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alias grpowned? exists?
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def readable?(filename)
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unix_mode_cmp(filename, 0o444)
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end
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alias readable_real? readable?
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def writable?(filename)
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unix_mode_cmp(filename, 0o222)
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end
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alias writable_real? writable?
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def executable?(filename)
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unix_mode_cmp(filename, 0o111)
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end
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alias executable_real? executable?
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def setuid?(filename)
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unix_mode_cmp(filename, 0o4000)
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end
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def setgid?(filename)
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unix_mode_cmp(filename, 0o2000)
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end
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def sticky?(filename)
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unix_mode_cmp(filename, 0o1000)
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end
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def umask(*args)
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::File.umask(*args)
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end
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def truncate(_filename, _len)
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raise StandardError, 'truncate not supported'
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end
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def directory?(filename)
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entry = @mapped_zip.find_entry(filename)
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expand_path(filename) == '/' || (!entry.nil? && entry.directory?)
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end
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def open(filename, mode = 'r', permissions = 0o644, &block)
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mode = mode.tr('b', '') # ignore b option
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case mode
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when 'r'
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@mapped_zip.get_input_stream(filename, &block)
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when 'w'
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@mapped_zip.get_output_stream(filename, permissions, &block)
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else
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raise StandardError, "openmode '#{mode} not supported" unless mode == 'r'
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end
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end
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def new(filename, mode = 'r')
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self.open(filename, mode)
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end
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def size(filename)
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@mapped_zip.get_entry(filename).size
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end
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# Returns nil for not found and nil for directories
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def size?(filename)
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entry = @mapped_zip.find_entry(filename)
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entry.nil? || entry.directory? ? nil : entry.size
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end
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def chown(owner, group, *filenames)
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filenames.each do |filename|
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e = get_entry(filename)
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e.extra.create('IUnix') unless e.extra.member?('IUnix')
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e.extra['IUnix'].uid = owner
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e.extra['IUnix'].gid = group
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end
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filenames.size
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end
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def chmod(mode, *filenames)
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filenames.each do |filename|
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e = get_entry(filename)
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e.fstype = 3 # force convertion filesystem type to unix
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e.unix_perms = mode
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e.external_file_attributes = mode << 16
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e.dirty = true
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end
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filenames.size
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end
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def zero?(filename)
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sz = size(filename)
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sz.nil? || sz == 0
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rescue Errno::ENOENT
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false
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end
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def file?(filename)
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entry = @mapped_zip.find_entry(filename)
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!entry.nil? && entry.file?
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end
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def dirname(filename)
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::File.dirname(filename)
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end
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def basename(filename)
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::File.basename(filename)
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end
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def split(filename)
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::File.split(filename)
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end
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def join(*fragments)
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::File.join(*fragments)
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end
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def utime(modified_time, *filenames)
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filenames.each do |filename|
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get_entry(filename).time = modified_time
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end
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end
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def mtime(filename)
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@mapped_zip.get_entry(filename).mtime
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end
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def atime(filename)
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e = get_entry(filename)
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if e.extra.member? 'UniversalTime'
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e.extra['UniversalTime'].atime
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elsif e.extra.member? 'NTFS'
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e.extra['NTFS'].atime
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end
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end
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def ctime(filename)
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e = get_entry(filename)
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if e.extra.member? 'UniversalTime'
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e.extra['UniversalTime'].ctime
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elsif e.extra.member? 'NTFS'
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e.extra['NTFS'].ctime
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end
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end
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def pipe?(_filename)
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false
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end
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def blockdev?(_filename)
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false
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end
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def chardev?(_filename)
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false
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end
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def symlink?(_filename)
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false
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end
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def socket?(_filename)
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false
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end
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def ftype(filename)
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@mapped_zip.get_entry(filename).directory? ? 'directory' : 'file'
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end
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def readlink(_filename)
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raise NotImplementedError, 'The readlink() function is not implemented'
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end
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def symlink(_filename, _symlink_name)
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raise NotImplementedError, 'The symlink() function is not implemented'
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end
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def link(_filename, _symlink_name)
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raise NotImplementedError, 'The link() function is not implemented'
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end
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def pipe
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raise NotImplementedError, 'The pipe() function is not implemented'
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end
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def stat(filename)
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raise Errno::ENOENT, filename unless exists?(filename)
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ZipFsStat.new(self, filename)
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end
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alias lstat stat
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def readlines(filename)
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self.open(filename, &:readlines)
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end
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def read(filename)
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@mapped_zip.read(filename)
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end
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def popen(*args, &a_proc)
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::File.popen(*args, &a_proc)
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end
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def foreach(filename, sep = $INPUT_RECORD_SEPARATOR, &a_proc)
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self.open(filename) { |is| is.each_line(sep, &a_proc) }
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end
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def delete(*args)
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args.each do |filename|
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if directory?(filename)
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raise Errno::EISDIR, "Is a directory - \"#{filename}\""
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end
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@mapped_zip.remove(filename)
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end
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end
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def rename(file_to_rename, new_name)
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@mapped_zip.rename(file_to_rename, new_name) { true }
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end
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alias unlink delete
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def expand_path(path)
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@mapped_zip.expand_path(path)
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end
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end
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end
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class File
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@ -0,0 +1,374 @@
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# frozen_string_literal: true
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module Zip
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module FileSystem
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# Instances of this class are normally accessed via the accessor
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# Zip::File::file. An instance of File behaves like ruby's
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# builtin File (class) object, except it works on Zip::File entries.
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#
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# The individual methods are not documented due to their
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# similarity with the methods in File
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class File # :nodoc:all
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attr_writer :dir
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class ZipFsStat
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class << self
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def delegate_to_fs_file(*methods)
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methods.each do |method|
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class_eval <<-END_EVAL, __FILE__, __LINE__ + 1
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def #{method} # def file?
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@zip_fs_file.#{method}(@entry_name) # @zip_fs_file.file?(@entry_name)
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end # end
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END_EVAL
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end
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end
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end
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def initialize(zip_fs_file, entry_name)
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@zip_fs_file = zip_fs_file
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@entry_name = entry_name
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end
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def kind_of?(type)
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super || type == ::File::Stat
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end
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delegate_to_fs_file :file?, :directory?, :pipe?, :chardev?, :symlink?,
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:socket?, :blockdev?, :readable?, :readable_real?, :writable?, :ctime,
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:writable_real?, :executable?, :executable_real?, :sticky?, :owned?,
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:grpowned?, :setuid?, :setgid?, :zero?, :size, :size?, :mtime, :atime
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def blocks
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nil
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end
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def get_entry
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@zip_fs_file.__send__(:get_entry, @entry_name)
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end
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private :get_entry
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def gid
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e = get_entry
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if e.extra.member? 'IUnix'
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e.extra['IUnix'].gid || 0
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else
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0
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end
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end
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def uid
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e = get_entry
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if e.extra.member? 'IUnix'
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e.extra['IUnix'].uid || 0
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else
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0
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end
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end
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def ino
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0
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end
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def dev
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0
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end
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def rdev
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0
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end
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def rdev_major
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0
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end
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def rdev_minor
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0
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end
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def ftype
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if file?
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'file'
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elsif directory?
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'directory'
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else
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raise StandardError, 'Unknown file type'
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end
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end
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def nlink
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1
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end
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def blksize
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nil
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end
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def mode
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e = get_entry
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if e.fstype == 3
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e.external_file_attributes >> 16
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else
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33_206 # 33206 is equivalent to -rw-rw-rw-
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end
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end
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end
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def initialize(mapped_zip)
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@mapped_zip = mapped_zip
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end
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def get_entry(filename)
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unless exists?(filename)
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raise Errno::ENOENT, "No such file or directory - #{filename}"
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end
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@mapped_zip.find_entry(filename)
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end
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private :get_entry
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||||
def unix_mode_cmp(filename, mode)
|
||||
e = get_entry(filename)
|
||||
e.fstype == 3 && ((e.external_file_attributes >> 16) & mode) != 0
|
||||
rescue Errno::ENOENT
|
||||
false
|
||||
end
|
||||
private :unix_mode_cmp
|
||||
|
||||
def exists?(filename)
|
||||
expand_path(filename) == '/' || !@mapped_zip.find_entry(filename).nil?
|
||||
end
|
||||
alias exist? exists?
|
||||
|
||||
# Permissions not implemented, so if the file exists it is accessible
|
||||
alias owned? exists?
|
||||
alias grpowned? exists?
|
||||
|
||||
def readable?(filename)
|
||||
unix_mode_cmp(filename, 0o444)
|
||||
end
|
||||
alias readable_real? readable?
|
||||
|
||||
def writable?(filename)
|
||||
unix_mode_cmp(filename, 0o222)
|
||||
end
|
||||
alias writable_real? writable?
|
||||
|
||||
def executable?(filename)
|
||||
unix_mode_cmp(filename, 0o111)
|
||||
end
|
||||
alias executable_real? executable?
|
||||
|
||||
def setuid?(filename)
|
||||
unix_mode_cmp(filename, 0o4000)
|
||||
end
|
||||
|
||||
def setgid?(filename)
|
||||
unix_mode_cmp(filename, 0o2000)
|
||||
end
|
||||
|
||||
def sticky?(filename)
|
||||
unix_mode_cmp(filename, 0o1000)
|
||||
end
|
||||
|
||||
def umask(*args)
|
||||
::File.umask(*args)
|
||||
end
|
||||
|
||||
def truncate(_filename, _len)
|
||||
raise StandardError, 'truncate not supported'
|
||||
end
|
||||
|
||||
def directory?(filename)
|
||||
entry = @mapped_zip.find_entry(filename)
|
||||
expand_path(filename) == '/' || (!entry.nil? && entry.directory?)
|
||||
end
|
||||
|
||||
def open(filename, mode = 'r', permissions = 0o644, &block)
|
||||
mode = mode.tr('b', '') # ignore b option
|
||||
case mode
|
||||
when 'r'
|
||||
@mapped_zip.get_input_stream(filename, &block)
|
||||
when 'w'
|
||||
@mapped_zip.get_output_stream(filename, permissions, &block)
|
||||
else
|
||||
raise StandardError, "openmode '#{mode} not supported" unless mode == 'r'
|
||||
end
|
||||
end
|
||||
|
||||
def new(filename, mode = 'r')
|
||||
self.open(filename, mode)
|
||||
end
|
||||
|
||||
def size(filename)
|
||||
@mapped_zip.get_entry(filename).size
|
||||
end
|
||||
|
||||
# Returns nil for not found and nil for directories
|
||||
def size?(filename)
|
||||
entry = @mapped_zip.find_entry(filename)
|
||||
entry.nil? || entry.directory? ? nil : entry.size
|
||||
end
|
||||
|
||||
def chown(owner, group, *filenames)
|
||||
filenames.each do |filename|
|
||||
e = get_entry(filename)
|
||||
e.extra.create('IUnix') unless e.extra.member?('IUnix')
|
||||
e.extra['IUnix'].uid = owner
|
||||
e.extra['IUnix'].gid = group
|
||||
end
|
||||
filenames.size
|
||||
end
|
||||
|
||||
def chmod(mode, *filenames)
|
||||
filenames.each do |filename|
|
||||
e = get_entry(filename)
|
||||
e.fstype = 3 # force convertion filesystem type to unix
|
||||
e.unix_perms = mode
|
||||
e.external_file_attributes = mode << 16
|
||||
e.dirty = true
|
||||
end
|
||||
filenames.size
|
||||
end
|
||||
|
||||
def zero?(filename)
|
||||
sz = size(filename)
|
||||
sz.nil? || sz == 0
|
||||
rescue Errno::ENOENT
|
||||
false
|
||||
end
|
||||
|
||||
def file?(filename)
|
||||
entry = @mapped_zip.find_entry(filename)
|
||||
!entry.nil? && entry.file?
|
||||
end
|
||||
|
||||
def dirname(filename)
|
||||
::File.dirname(filename)
|
||||
end
|
||||
|
||||
def basename(filename)
|
||||
::File.basename(filename)
|
||||
end
|
||||
|
||||
def split(filename)
|
||||
::File.split(filename)
|
||||
end
|
||||
|
||||
def join(*fragments)
|
||||
::File.join(*fragments)
|
||||
end
|
||||
|
||||
def utime(modified_time, *filenames)
|
||||
filenames.each do |filename|
|
||||
get_entry(filename).time = modified_time
|
||||
end
|
||||
end
|
||||
|
||||
def mtime(filename)
|
||||
@mapped_zip.get_entry(filename).mtime
|
||||
end
|
||||
|
||||
def atime(filename)
|
||||
e = get_entry(filename)
|
||||
if e.extra.member? 'UniversalTime'
|
||||
e.extra['UniversalTime'].atime
|
||||
elsif e.extra.member? 'NTFS'
|
||||
e.extra['NTFS'].atime
|
||||
end
|
||||
end
|
||||
|
||||
def ctime(filename)
|
||||
e = get_entry(filename)
|
||||
if e.extra.member? 'UniversalTime'
|
||||
e.extra['UniversalTime'].ctime
|
||||
elsif e.extra.member? 'NTFS'
|
||||
e.extra['NTFS'].ctime
|
||||
end
|
||||
end
|
||||
|
||||
def pipe?(_filename)
|
||||
false
|
||||
end
|
||||
|
||||
def blockdev?(_filename)
|
||||
false
|
||||
end
|
||||
|
||||
def chardev?(_filename)
|
||||
false
|
||||
end
|
||||
|
||||
def symlink?(_filename)
|
||||
false
|
||||
end
|
||||
|
||||
def socket?(_filename)
|
||||
false
|
||||
end
|
||||
|
||||
def ftype(filename)
|
||||
@mapped_zip.get_entry(filename).directory? ? 'directory' : 'file'
|
||||
end
|
||||
|
||||
def readlink(_filename)
|
||||
raise NotImplementedError, 'The readlink() function is not implemented'
|
||||
end
|
||||
|
||||
def symlink(_filename, _symlink_name)
|
||||
raise NotImplementedError, 'The symlink() function is not implemented'
|
||||
end
|
||||
|
||||
def link(_filename, _symlink_name)
|
||||
raise NotImplementedError, 'The link() function is not implemented'
|
||||
end
|
||||
|
||||
def pipe
|
||||
raise NotImplementedError, 'The pipe() function is not implemented'
|
||||
end
|
||||
|
||||
def stat(filename)
|
||||
raise Errno::ENOENT, filename unless exists?(filename)
|
||||
|
||||
ZipFsStat.new(self, filename)
|
||||
end
|
||||
|
||||
alias lstat stat
|
||||
|
||||
def readlines(filename)
|
||||
self.open(filename, &:readlines)
|
||||
end
|
||||
|
||||
def read(filename)
|
||||
@mapped_zip.read(filename)
|
||||
end
|
||||
|
||||
def popen(*args, &a_proc)
|
||||
::File.popen(*args, &a_proc)
|
||||
end
|
||||
|
||||
def foreach(filename, sep = $INPUT_RECORD_SEPARATOR, &a_proc)
|
||||
self.open(filename) { |is| is.each_line(sep, &a_proc) }
|
||||
end
|
||||
|
||||
def delete(*args)
|
||||
args.each do |filename|
|
||||
if directory?(filename)
|
||||
raise Errno::EISDIR, "Is a directory - \"#{filename}\""
|
||||
end
|
||||
|
||||
@mapped_zip.remove(filename)
|
||||
end
|
||||
end
|
||||
|
||||
def rename(file_to_rename, new_name)
|
||||
@mapped_zip.rename(file_to_rename, new_name) { true }
|
||||
end
|
||||
|
||||
alias unlink delete
|
||||
|
||||
def expand_path(path)
|
||||
@mapped_zip.expand_path(path)
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
|
|
@ -2,8 +2,8 @@
|
|||
|
||||
module Zip
|
||||
module FileSystem
|
||||
# All access to Zip::File from ZipFsFile and FileSystem::Dir goes through
|
||||
# a ZipFileNameMapper, which has one responsibility: ensure
|
||||
# All access to Zip::File from FileSystem::File and FileSystem::Dir
|
||||
# goes through a ZipFileNameMapper, which has one responsibility: ensure
|
||||
class ZipFileNameMapper # :nodoc:all
|
||||
include Enumerable
|
||||
|
||||
|
|
|
|||
|
|
@ -3,7 +3,7 @@
|
|||
require 'test_helper'
|
||||
require 'zip/filesystem'
|
||||
|
||||
class ZipFsFileMutatingTest < MiniTest::Test
|
||||
class FileMutatingTest < MiniTest::Test
|
||||
TEST_ZIP = 'test/data/generated/zipWithDirs_copy.zip'
|
||||
def setup
|
||||
FileUtils.cp('test/data/zipWithDirs.zip', TEST_ZIP)
|
||||
|
|
|
|||
|
|
@ -3,7 +3,7 @@
|
|||
require 'test_helper'
|
||||
require 'zip/filesystem'
|
||||
|
||||
class ZipFsFileNonmutatingTest < MiniTest::Test
|
||||
class FileNonmutatingTest < MiniTest::Test
|
||||
def setup
|
||||
@zipsha = Digest::SHA1.file('test/data/zipWithDirs.zip')
|
||||
@zip_file = ::Zip::File.new('test/data/zipWithDirs.zip')
|
||||
|
|
|
|||
|
|
@ -3,7 +3,7 @@
|
|||
require 'test_helper'
|
||||
require 'zip/filesystem'
|
||||
|
||||
class ZipFsFileStatTest < MiniTest::Test
|
||||
class FileStatTest < MiniTest::Test
|
||||
def setup
|
||||
@zip_file = ::Zip::File.new('test/data/zipWithDirs.zip')
|
||||
end
|
||||
|
|
|
|||
Loading…
Reference in New Issue