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# frozen_string_literal: true
module Zip
module FileSystem
class Dir # :nodoc:all
def initialize(mapped_zip)
@mapped_zip = mapped_zip
end
attr_writer :file
def new(directory_name)
DirectoryIterator.new(entries(directory_name))
end
def open(directory_name)
dir_iter = new(directory_name)
if block_given?
begin
yield(dir_iter)
return nil
ensure
dir_iter.close
end
end
dir_iter
end
def pwd
@mapped_zip.pwd
end
alias getwd pwd
def chdir(directory_name)
unless @file.stat(directory_name).directory?
raise Errno::EINVAL, "Invalid argument - #{directory_name}"
end
@mapped_zip.pwd = @file.expand_path(directory_name)
end
def entries(directory_name)
entries = []
foreach(directory_name) { |e| entries << e }
entries
end
def glob(...)
@mapped_zip.glob(...)
end
def foreach(directory_name)
unless @file.stat(directory_name).directory?
raise Errno::ENOTDIR, directory_name
end
path = @file.expand_path(directory_name)
path << '/' unless path.end_with?('/')
path = Regexp.escape(path)
subdir_entry_regex = Regexp.new("^#{path}([^/]+)$")
@mapped_zip.each do |filename|
match = subdir_entry_regex.match(filename)
yield(match[1]) unless match.nil?
end
end
def delete(entry_name)
unless @file.stat(entry_name).directory?
raise Errno::EINVAL, "Invalid argument - #{entry_name}"
end
@mapped_zip.remove(entry_name)
end
alias rmdir delete
alias unlink delete
def mkdir(entry_name, permissions = 0o755)
@mapped_zip.mkdir(entry_name, permissions)
end
def chroot(*_args)
raise NotImplementedError, 'The chroot() function is not implemented'
end
end
end
end
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