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|
#
# $Id$
#
# Copyright (c) 2001 akira yamada <akira@ruby-lang.org>
# You can redistribute it and/or modify it under the same term as Ruby.
#
require 'uri/generic'
module URI
=begin
== URI::FTP
=== Super Class
((<URI::Generic>))
=end
# RFC1738 section 3.2.
class FTP < Generic
DEFAULT_PORT = 21
COMPONENT = [
:scheme,
:userinfo, :host, :port,
:path, :typecode
].freeze
TYPECODE = ['a', 'i', 'd'].freeze
TYPECODE_PREFIX = ';type='.freeze
=begin
=== Class Methods
--- URI::FTP::build
Create a new URI::FTP object from components of URI::FTP with
check. It is scheme, userinfo, host, port, path and typecode. It
provided by an Array or a Hash. typecode is "a", "i" or "d".
--- URI::FTP::new
Create a new URI::FTP object from ``generic'' components with no
check.
=end
def self.new2(user, password, host, port, path,
typecode = nil, arg_check = true)
typecode = nil if typecode.size == 0
if typecode && !TYPECODE.include?(typecode)
raise ArgumentError,
"bad typecode is specified: #{typecode}"
end
# do escape
self.new('ftp',
[user, password],
host, port, nil,
typecode ? path + TYPECODE_PREFIX + typecode : path,
nil, nil, nil, arg_check)
end
def self.build(args)
tmp = Util::make_components_hash(self, args)
if tmp[:typecode]
if tmp[:typecode].size == 1
tmp[:typecode] = TYPECODE_PREFIX + tmp[:typecode]
end
tmp[:path] << tmp[:typecode]
end
return super(tmp)
end
def initialize(*arg)
super(*arg)
@typecode = nil
tmp = @path.index(TYPECODE_PREFIX)
if tmp
typecode = @path[tmp + TYPECODE_PREFIX.size..-1]
self.set_path(@path[0..tmp - 1])
if arg[-1]
self.typecode = typecode
else
self.set_typecode(typecode)
end
end
end
attr_reader :typecode
#
# methods for typecode
#
def check_typecode(v)
if TYPECODE.include?(v)
return true
else
raise InvalidComponentError,
"bad typecode(expected #{TYPECODE.join(', ')}): #{v}"
end
end
private :check_typecode
def set_typecode(v)
@typecode = v
end
protected :set_typecode
def typecode=(typecode)
check_typecode(typecode)
set_typecode(typecode)
typecode
end
=begin
=end
def merge(oth)
tmp = super(oth)
if self != tmp
tmp.set_typecode(oth.typecode)
end
return tmp
end
=begin
=end
def to_s
save_path = nil
if @typecode
save_path = @path
@path = @path + TYPECODE_PREFIX + @typecode
end
str = super
if @typecode
@path = save_path
end
return str
end
end # FTP
@@schemes['FTP'] = FTP
end # URI
|
