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# frozen_string_literal: true
module Zip
module FileSystem
# 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
def initialize(zip_file)
@zip_file = zip_file
@pwd = '/'
end
attr_accessor :pwd
def find_entry(filename)
@zip_file.find_entry(expand_to_entry(filename))
end
def get_entry(filename)
@zip_file.get_entry(expand_to_entry(filename))
end
def get_input_stream(filename, &a_proc)
@zip_file.get_input_stream(expand_to_entry(filename), &a_proc)
end
def get_output_stream(filename, permissions = nil, &a_proc)
@zip_file.get_output_stream(
expand_to_entry(filename), permissions: permissions, &a_proc
)
end
def glob(pattern, *flags, &block)
@zip_file.glob(expand_to_entry(pattern), *flags, &block)
end
def read(filename)
@zip_file.read(expand_to_entry(filename))
end
def remove(filename)
@zip_file.remove(expand_to_entry(filename))
end
def rename(filename, new_name, &continue_on_exists_proc)
@zip_file.rename(
expand_to_entry(filename),
expand_to_entry(new_name),
&continue_on_exists_proc
)
end
def mkdir(filename, permissions = 0o755)
@zip_file.mkdir(expand_to_entry(filename), permissions)
end
# Turns entries into strings and adds leading /
# and removes trailing slash on directories
def each
@zip_file.each do |e|
yield("/#{e.to_s.chomp('/')}")
end
end
def expand_path(path)
expanded = path.start_with?('/') ? path.dup : ::File.join(@pwd, path)
expanded.gsub!(/\/\.(\/|$)/, '')
expanded.gsub!(/[^\/]+\/\.\.(\/|$)/, '')
expanded.empty? ? '/' : expanded
end
private
def expand_to_entry(path)
expand_path(path)[1..]
end
end
end
end
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