From 825ce503c0e52edb944def195be0d3d55e3e71b3 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 4 Dec 2007 08:09:44 +0000
Subject: * lib/json.rb, lib/json/*: moved to ext/json/lib. --

M    trunk/ChangeLog
D    trunk/lib/json
D    trunk/lib/json.rb
A    trunk/ext/json/lib
A    trunk/ext/json/lib/json
A    trunk/ext/json/lib/json.rb
A    trunk/ext/json/extconf.rb


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14100 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/json.rb                |  235 -------
 lib/json/Array.xpm         |   21 -
 lib/json/FalseClass.xpm    |   21 -
 lib/json/Hash.xpm          |   21 -
 lib/json/Key.xpm           |   73 ---
 lib/json/NilClass.xpm      |   21 -
 lib/json/Numeric.xpm       |   28 -
 lib/json/String.xpm        |   96 ---
 lib/json/TrueClass.xpm     |   21 -
 lib/json/add/core.rb       |  120 ----
 lib/json/add/rails.rb      |   58 --
 lib/json/common.rb         |  354 -----------
 lib/json/editor.rb         | 1363 ----------------------------------------
 lib/json/ext.rb            |   13 -
 lib/json/json.xpm          | 1499 --------------------------------------------
 lib/json/pure.rb           |   75 ---
 lib/json/pure/generator.rb |  394 ------------
 lib/json/pure/parser.rb    |  259 --------
 lib/json/version.rb        |    9 -
 19 files changed, 4681 deletions(-)
 delete mode 100644 lib/json.rb
 delete mode 100644 lib/json/Array.xpm
 delete mode 100644 lib/json/FalseClass.xpm
 delete mode 100644 lib/json/Hash.xpm
 delete mode 100644 lib/json/Key.xpm
 delete mode 100644 lib/json/NilClass.xpm
 delete mode 100644 lib/json/Numeric.xpm
 delete mode 100644 lib/json/String.xpm
 delete mode 100644 lib/json/TrueClass.xpm
 delete mode 100644 lib/json/add/core.rb
 delete mode 100644 lib/json/add/rails.rb
 delete mode 100644 lib/json/common.rb
 delete mode 100644 lib/json/editor.rb
 delete mode 100644 lib/json/ext.rb
 delete mode 100644 lib/json/json.xpm
 delete mode 100644 lib/json/pure.rb
 delete mode 100644 lib/json/pure/generator.rb
 delete mode 100644 lib/json/pure/parser.rb
 delete mode 100644 lib/json/version.rb

(limited to 'lib')

diff --git a/lib/json.rb b/lib/json.rb
deleted file mode 100644
index 3b0b711550..0000000000
--- a/lib/json.rb
+++ /dev/null
@@ -1,235 +0,0 @@
-require 'json/common'
-# = json - JSON for Ruby
-#
-# == Description
-#
-# This is a implementation of the JSON specification according to RFC 4627
-# (http://www.ietf.org/rfc/rfc4627.txt). Starting from version 1.0.0 on there
-# will be two variants available:
-#
-# * A pure ruby variant, that relies on the iconv and the stringscan
-#   extensions, which are both part of the ruby standard library.
-# * The quite a bit faster C extension variant, which is in parts implemented
-#   in C and comes with its own unicode conversion functions and a parser
-#   generated by the ragel state machine compiler
-#   (http://www.cs.queensu.ca/~thurston/ragel).
-#
-# Both variants of the JSON generator escape all non-ASCII an control
-# characters with \uXXXX escape sequences, and support UTF-16 surrogate pairs
-# in order to be able to generate the whole range of unicode code points. This
-# means that generated JSON text is encoded as UTF-8 (because ASCII is a subset
-# of UTF-8) and at the same time avoids decoding problems for receiving
-# endpoints, that don't expect UTF-8 encoded texts. On the negative side this
-# may lead to a bit longer strings than necessarry.
-#
-# All strings, that are to be encoded as JSON strings, should be UTF-8 byte
-# sequences on the Ruby side. To encode raw binary strings, that aren't UTF-8
-# encoded, please use the to_json_raw_object method of String (which produces
-# an object, that contains a byte array) and decode the result on the receiving
-# endpoint.
-#
-# == Author
-#
-# Florian Frank <mailto:flori@ping.de>
-#
-# == License
-#
-# This software is distributed under the same license as Ruby itself, see
-# http://www.ruby-lang.org/en/LICENSE.txt.
-#
-# == Download
-#
-# The latest version of this library can be downloaded at
-#
-# * http://rubyforge.org/frs?group_id=953
-#
-# Online Documentation should be located at
-#
-# * http://json.rubyforge.org
-#
-# == Usage
-# 
-# To use JSON you can
-#   require 'json'
-# to load the installed variant (either the extension 'json' or the pure
-# variant 'json_pure'). If you have installed the extension variant, you can
-# pick either the extension variant or the pure variant by typing
-#   require 'json/ext'
-# or
-#   require 'json/pure'
-#
-# You can choose to load a set of common additions to ruby core's objects if
-# you
-#   require 'json/add/core'
-#
-# After requiring this you can, e. g., serialise/deserialise Ruby ranges:
-#
-#   JSON JSON(1..10) # => 1..10
-#
-# To find out how to add JSON support to other or your own classes, read the
-# Examples section below.
-#
-# To get the best compatibility to rails' JSON implementation, you can
-#   require 'json/add/rails'
-#
-# Both of the additions attempt to require 'json' (like above) first, if it has
-# not been required yet.
-#
-# == Speed Comparisons
-#
-# I have created some benchmark results (see the benchmarks subdir of the
-# package) for the JSON-Parser to estimate the speed up in the C extension:
-#
-# JSON::Pure::Parser::  28.90  calls/second
-# JSON::Ext::Parser::  505.50 calls/second
-#
-# This is ca. <b>17.5</b> times the speed of the pure Ruby implementation.
-#
-# I have benchmarked the JSON-Generator as well. This generates a few more
-# values, because there are different modes, that also influence the achieved
-# speed:
-#
-# * JSON::Pure::Generator:
-#   generate::        35.06 calls/second
-#   pretty_generate:: 34.00 calls/second
-#   fast_generate::   41.06 calls/second
-#
-# * JSON::Ext::Generator:
-#   generate::        492.11 calls/second
-#   pretty_generate:: 348.85 calls/second
-#   fast_generate::   541.60 calls/second
-#
-# * Speedup Ext/Pure:
-#   generate safe::   14.0 times
-#   generate pretty:: 10.3 times
-#   generate fast::   13.2 times
-#
-# The rails framework includes a generator as well, also it seems to be rather
-# slow: I measured only 23.87 calls/second which is slower than any of my pure
-# generator results. Here a comparison of the different speedups with the Rails
-# measurement as the divisor:
-#
-# * Speedup Pure/Rails:
-#   generate safe::   1.5 times
-#   generate pretty:: 1.4 times
-#   generate fast::   1.7 times
-#
-# * Speedup Ext/Rails:
-#   generate safe::   20.6 times
-#   generate pretty:: 14.6 times
-#   generate fast::   22.7 times
-#
-# To achieve the fastest JSON text output, you can use the
-# fast_generate/fast_unparse methods. Beware, that this will disable the
-# checking for circular Ruby data structures, which may cause JSON to go into
-# an infinite loop.
-#
-# == Examples
-#
-# To create a JSON text from a ruby data structure, you
-# can call JSON.generate (or JSON.unparse) like that:
-#
-#  json = JSON.generate [1, 2, {"a"=>3.141}, false, true, nil, 4..10]
-#  # => "[1,2,{\"a\":3.141},false,true,null,\"4..10\"]"
-#
-# To create a valid JSON text you have to make sure, that the output is
-# embedded in either a JSON array [] or a JSON object {}. The easiest way to do
-# this, is by putting your values in a Ruby Array or Hash instance.
-#
-# To get back a ruby data structure from a JSON text, you have to call
-# JSON.parse on it:
-#
-#  JSON.parse json
-#  # => [1, 2, {"a"=>3.141}, false, true, nil, "4..10"]
-# 
-# Note, that the range from the original data structure is a simple
-# string now. The reason for this is, that JSON doesn't support ranges
-# or arbitrary classes. In this case the json library falls back to call
-# Object#to_json, which is the same as #to_s.to_json.
-#
-# It's possible to add JSON support serialization to arbitrary classes by
-# simply implementing a more specialized version of the #to_json method, that
-# should return a JSON object (a hash converted to JSON with #to_json) like
-# this (don't forget the *a for all the arguments):
-#
-#  class Range
-#    def to_json(*a)
-#      {
-#        'json_class'   => self.class.name, # = 'Range'
-#        'data'         => [ first, last, exclude_end? ]
-#      }.to_json(*a)
-#    end
-#  end
-#
-# The hash key 'json_class' is the class, that will be asked to deserialise the
-# JSON representation later. In this case it's 'Range', but any namespace of
-# the form 'A::B' or '::A::B' will do. All other keys are arbitrary and can be
-# used to store the necessary data to configure the object to be deserialised.
-#
-# If a the key 'json_class' is found in a JSON object, the JSON parser checks
-# if the given class responds to the json_create class method. If so, it is
-# called with the JSON object converted to a Ruby hash. So a range can
-# be deserialised by implementing Range.json_create like this:
-# 
-#  class Range
-#    def self.json_create(o)
-#      new(*o['data'])
-#    end
-#  end
-#
-# Now it possible to serialise/deserialise ranges as well:
-#
-#  json = JSON.generate [1, 2, {"a"=>3.141}, false, true, nil, 4..10]
-#  # => "[1,2,{\"a\":3.141},false,true,null,{\"json_class\":\"Range\",\"data\":[4,10,false]}]"
-#  JSON.parse json
-#  # => [1, 2, {"a"=>3.141}, false, true, nil, 4..10]
-#
-# JSON.generate always creates the shortest possible string representation of a
-# ruby data structure in one line. This good for data storage or network
-# protocols, but not so good for humans to read. Fortunately there's also
-# JSON.pretty_generate (or JSON.pretty_generate) that creates a more
-# readable output:
-#
-#  puts JSON.pretty_generate([1, 2, {"a"=>3.141}, false, true, nil, 4..10])
-#  [
-#    1,
-#    2,
-#    {
-#      "a": 3.141
-#    },
-#    false,
-#    true,
-#    null,
-#    {
-#      "json_class": "Range",
-#      "data": [
-#        4,
-#        10,
-#        false
-#      ]
-#    }
-#  ]
-#
-# There are also the methods Kernel#j for unparse, and Kernel#jj for
-# pretty_unparse output to the console, that work analogous to Core Ruby's p
-# and the pp library's pp methods.
-#
-# The script tools/server.rb contains a small example if you want to test, how
-# receiving a JSON object from a webrick server in your browser with the
-# javasript prototype library (http://www.prototypejs.org) works.
-#
-module JSON
-  require 'json/version'
-
-  if VARIANT_BINARY
-    require 'json/ext'
-  else
-    begin
-      require 'json/ext'
-    rescue LoadError
-      require 'json/pure'
-    end
-  end
-
-  JSON_LOADED = true
-end
diff --git a/lib/json/Array.xpm b/lib/json/Array.xpm
deleted file mode 100644
index 27c48011f9..0000000000
--- a/lib/json/Array.xpm
+++ /dev/null
@@ -1,21 +0,0 @@
-/* XPM */
-static char * Array_xpm[] = {
-"16 16 2 1",
-" 	c None",
-".	c #000000",
-"                ",
-"                ",
-"                ",
-"   ..........   ",
-"   .        .   ",
-"   .        .   ",
-"   .        .   ",
-"   .        .   ",
-"   .        .   ",
-"   .        .   ",
-"   .        .   ",
-"   .        .   ",
-"   ..........   ",
-"                ",
-"                ",
-"                "};
diff --git a/lib/json/FalseClass.xpm b/lib/json/FalseClass.xpm
deleted file mode 100644
index 25ce60832d..0000000000
--- a/lib/json/FalseClass.xpm
+++ /dev/null
@@ -1,21 +0,0 @@
-/* XPM */
-static char * False_xpm[] = {
-"16 16 2 1",
-" 	c None",
-".	c #FF0000",
-"                ",
-"                ",
-"                ",
-"     ......     ",
-"     .          ",
-"     .          ",
-"     .          ",
-"     ......     ",
-"     .          ",
-"     .          ",
-"     .          ",
-"     .          ",
-"     .          ",
-"                ",
-"                ",
-"                "};
diff --git a/lib/json/Hash.xpm b/lib/json/Hash.xpm
deleted file mode 100644
index cd8f6f7b53..0000000000
--- a/lib/json/Hash.xpm
+++ /dev/null
@@ -1,21 +0,0 @@
-/* XPM */
-static char * Hash_xpm[] = {
-"16 16 2 1",
-" 	c None",
-".	c #000000",
-"                ",
-"                ",
-"                ",
-"       .  .     ",
-"       .  .     ",
-"       .  .     ",
-"    .........   ",
-"      .  .      ",
-"      .  .      ",
-"   .........    ",
-"     .  .       ",
-"     .  .       ",
-"     .  .       ",
-"                ",
-"                ",
-"                "};
diff --git a/lib/json/Key.xpm b/lib/json/Key.xpm
deleted file mode 100644
index 9fd7281388..0000000000
--- a/lib/json/Key.xpm
+++ /dev/null
@@ -1,73 +0,0 @@
-/* XPM */
-static char * Key_xpm[] = {
-"16 16 54 1",
-" 	c None",
-".	c #110007",
-"+	c #0E0900",
-"@	c #000013",
-"#	c #070600",
-"$	c #F6F006",
-"%	c #ECE711",
-"&	c #E5EE00",
-"*	c #16021E",
-"=	c #120900",
-"-	c #EDF12B",
-";	c #000033",
-">	c #0F0000",
-",	c #FFFE03",
-"'	c #E6E500",
-")	c #16021B",
-"!	c #F7F502",
-"~	c #000E00",
-"{	c #130000",
-"]	c #FFF000",
-"^	c #FFE711",
-"/	c #140005",
-"(	c #190025",
-"_	c #E9DD27",
-":	c #E7DC04",
-"<	c #FFEC09",
-"[	c #FFE707",
-"}	c #FFDE10",
-"|	c #150021",
-"1	c #160700",
-"2	c #FAF60E",
-"3	c #EFE301",
-"4	c #FEF300",
-"5	c #E7E000",
-"6	c #FFFF08",
-"7	c #0E0206",
-"8	c #040000",
-"9	c #03052E",
-"0	c #041212",
-"a	c #070300",
-"b	c #F2E713",
-"c	c #F9DE13",
-"d	c #36091E",
-"e	c #00001C",
-"f	c #1F0010",
-"g	c #FFF500",
-"h	c #DEDE00",
-"i	c #050A00",
-"j	c #FAF14A",
-"k	c #F5F200",
-"l	c #040404",
-"m	c #1A0D00",
-"n	c #EDE43D",
-"o	c #ECE007",
-"                ",
-"                ",
-"    .+@         ",
-"   #$%&*        ",
-"  =-;>,')       ",
-"  >!~{]^/       ",
-"  (_:<[}|       ",
-"   1234567      ",
-"    890abcd     ",
-"       efghi    ",
-"         >jkl   ",
-"          mnol  ",
-"           >kl  ",
-"            ll  ",
-"                ",
-"                "};
diff --git a/lib/json/NilClass.xpm b/lib/json/NilClass.xpm
deleted file mode 100644
index 3509f06c99..0000000000
--- a/lib/json/NilClass.xpm
+++ /dev/null
@@ -1,21 +0,0 @@
-/* XPM */
-static char * False_xpm[] = {
-"16 16 2 1",
-" 	c None",
-".	c #000000",
-"                ",
-"                ",
-"                ",
-"       ...      ",
-"      .   .     ",
-"     .     .    ",
-"     .     .    ",
-"     .     .    ",
-"     .     .    ",
-"     .     .    ",
-"     .     .    ",
-"      .   .     ",
-"       ...      ",
-"                ",
-"                ",
-"                "};
diff --git a/lib/json/Numeric.xpm b/lib/json/Numeric.xpm
deleted file mode 100644
index e071e2ee9c..0000000000
--- a/lib/json/Numeric.xpm
+++ /dev/null
@@ -1,28 +0,0 @@
-/* XPM */
-static char * Numeric_xpm[] = {
-"16 16 9 1",
-" 	c None",
-".	c #FF0000",
-"+	c #0000FF",
-"@	c #0023DB",
-"#	c #00EA14",
-"$	c #00FF00",
-"%	c #004FAF",
-"&	c #0028D6",
-"*	c #00F20C",
-"                ",
-"                ",
-"                ",
-" ... +++@#$$$$  ",
-"   .+   %&   $$ ",
-"   .     +    $ ",
-"   .     +   $$ ",
-"   .    ++$$$$  ",
-"   .    +    $$ ",
-"   .   +      $ ",
-"   .  +       $ ",
-"   . +  $    $$ ",
-" .....++++*$$   ",
-"                ",
-"                ",
-"                "};
diff --git a/lib/json/String.xpm b/lib/json/String.xpm
deleted file mode 100644
index f79a89cdc1..0000000000
--- a/lib/json/String.xpm
+++ /dev/null
@@ -1,96 +0,0 @@
-/* XPM */
-static char * String_xpm[] = {
-"16 16 77 1",
-" 	c None",
-".	c #000000",
-"+	c #040404",
-"@	c #080806",
-"#	c #090606",
-"$	c #EEEAE1",
-"%	c #E7E3DA",
-"&	c #E0DBD1",
-"*	c #D4B46F",
-"=	c #0C0906",
-"-	c #E3C072",
-";	c #E4C072",
-">	c #060505",
-",	c #0B0A08",
-"'	c #D5B264",
-")	c #D3AF5A",
-"!	c #080602",
-"~	c #E1B863",
-"{	c #DDB151",
-"]	c #DBAE4A",
-"^	c #DDB152",
-"/	c #DDB252",
-"(	c #070705",
-"_	c #0C0A07",
-":	c #D3A33B",
-"<	c #020201",
-"[	c #DAAA41",
-"}	c #040302",
-"|	c #E4D9BF",
-"1	c #0B0907",
-"2	c #030201",
-"3	c #020200",
-"4	c #C99115",
-"5	c #080704",
-"6	c #DBC8A2",
-"7	c #E7D7B4",
-"8	c #E0CD9E",
-"9	c #080601",
-"0	c #040400",
-"a	c #010100",
-"b	c #0B0B08",
-"c	c #DCBF83",
-"d	c #DCBC75",
-"e	c #DEB559",
-"f	c #040301",
-"g	c #BC8815",
-"h	c #120E07",
-"i	c #060402",
-"j	c #0A0804",
-"k	c #D4A747",
-"l	c #D6A12F",
-"m	c #0E0C05",
-"n	c #C8C1B0",
-"o	c #1D1B15",
-"p	c #D7AD51",
-"q	c #070502",
-"r	c #080804",
-"s	c #BC953B",
-"t	c #C4BDAD",
-"u	c #0B0807",
-"v	c #DBAC47",
-"w	c #1B150A",
-"x	c #B78A2C",
-"y	c #D8A83C",
-"z	c #D4A338",
-"A	c #0F0B03",
-"B	c #181105",
-"C	c #C59325",
-"D	c #C18E1F",
-"E	c #060600",
-"F	c #CC992D",
-"G	c #B98B25",
-"H	c #B3831F",
-"I	c #C08C1C",
-"J	c #060500",
-"K	c #0E0C03",
-"L	c #0D0A00",
-"                ",
-"   .+@#         ",
-"  .$%&*=        ",
-" .-;>,')!       ",
-" .~.  .{].      ",
-" .^/. (_:<      ",
-"  .[.}|$12      ",
-"   345678}90    ",
-"    a2bcdefgh   ",
-"      ijkl.mno  ",
-"      <pq. rstu ",
-"      .]v.  wx= ",
-"       .yzABCDE ",
-"        .FGHIJ  ",
-"         0KL0   ",
-"                "};
diff --git a/lib/json/TrueClass.xpm b/lib/json/TrueClass.xpm
deleted file mode 100644
index 143eef49bb..0000000000
--- a/lib/json/TrueClass.xpm
+++ /dev/null
@@ -1,21 +0,0 @@
-/* XPM */
-static char * TrueClass_xpm[] = {
-"16 16 2 1",
-" 	c None",
-".	c #0BF311",
-"                ",
-"                ",
-"                ",
-"   .........    ",
-"       .        ",
-"       .        ",
-"       .        ",
-"       .        ",
-"       .        ",
-"       .        ",
-"       .        ",
-"       .        ",
-"       .        ",
-"                ",
-"                ",
-"                "};
diff --git a/lib/json/add/core.rb b/lib/json/add/core.rb
deleted file mode 100644
index 630ed6e4b7..0000000000
--- a/lib/json/add/core.rb
+++ /dev/null
@@ -1,120 +0,0 @@
-# This file contains implementations of ruby core's custom objects for
-# serialisation/deserialisation.
-
-unless Object.const_defined?(:JSON) and ::JSON.const_defined?(:JSON_LOADED) and
-  ::JSON::JSON_LOADED
-  require 'json'
-end
-require 'date'
-
-class Time
-  def self.json_create(object)
-    at(*object.values_at('s', 'u'))
-  end
-
-  def to_json(*args)
-    {
-      'json_class' => self.class.name.to_s,
-      's' => tv_sec,
-      'u' => tv_usec,
-    }.to_json(*args)
-  end
-end
-
-class Date
-  def self.json_create(object)
-    civil(*object.values_at('y', 'm', 'd', 'sg'))
-  end
-
-  def to_json(*args)
-    {
-      'json_class' => self.class.name.to_s,
-      'y' => year,
-      'm' => month,
-      'd' => day,
-      'sg' => @sg,
-    }.to_json(*args)
-  end
-end
-
-class DateTime
-  def self.json_create(object)
-    args = object.values_at('y', 'm', 'd', 'H', 'M', 'S')
-    of_a, of_b = object['of'].split('/')
-    args << Rational(of_a.to_i, of_b.to_i)
-    args << object['sg']
-    civil(*args)
-  end
-
-  def to_json(*args)
-    {
-      'json_class' => self.class.name.to_s,
-      'y' => year,
-      'm' => month,
-      'd' => day,
-      'H' => hour,
-      'M' => min,
-      'S' => sec,
-      'of' => offset.to_s,
-      'sg' => @sg,
-    }.to_json(*args)
-  end
-end
-
-class Range
-  def self.json_create(object)
-    new(*object['a'])
-  end
-
-  def to_json(*args)
-    {
-      'json_class'   => self.class.name.to_s,
-      'a'         => [ first, last, exclude_end? ]
-    }.to_json(*args)
-  end
-end
-
-class Struct
-  def self.json_create(object)
-    new(*object['v'])
-  end
-
-  def to_json(*args)
-    klass = self.class.name.to_s
-    klass.empty? and raise JSON::JSONError, "Only named structs are supported!"
-    {
-      'json_class' => klass,
-      'v'     => values,
-    }.to_json(*args)
-  end
-end
-
-class Exception
-  def self.json_create(object)
-    result = new(object['m'])
-    result.set_backtrace object['b']
-    result
-  end
-
-  def to_json(*args)
-    {
-      'json_class' => self.class.name.to_s,
-      'm'   => message,
-      'b' => backtrace,
-    }.to_json(*args)
-  end
-end
-
-class Regexp
-  def self.json_create(object)
-    new(object['s'], object['o'])
-  end
-
-  def to_json(*)
-    {
-      'json_class' => self.class.name.to_s,
-      'o' => options,
-      's' => source,
-    }.to_json
-  end
-end
diff --git a/lib/json/add/rails.rb b/lib/json/add/rails.rb
deleted file mode 100644
index e86ed1aab9..0000000000
--- a/lib/json/add/rails.rb
+++ /dev/null
@@ -1,58 +0,0 @@
-# This file contains implementations of rails custom objects for
-# serialisation/deserialisation.
-
-unless Object.const_defined?(:JSON) and ::JSON.const_defined?(:JSON_LOADED) and
-  ::JSON::JSON_LOADED
-  require 'json'
-end
-
-class Object
-  def self.json_create(object)
-    obj = new
-    for key, value in object
-      next if key == 'json_class'
-      instance_variable_set "@#{key}", value
-    end
-    obj
-  end
-
-  def to_json(*a)
-    result = {
-      'json_class' => self.class.name
-    }
-    instance_variables.inject(result) do |r, name|
-      r[name[1..-1]] = instance_variable_get name
-      r
-    end
-    result.to_json(*a)
-  end
-end
-
-class Symbol
-  def to_json(*a)
-    to_s.to_json(*a)
-  end
-end
-
-module Enumerable
-  def to_json(*a)
-    to_a.to_json(*a)
-  end
-end
-
-# class Regexp
-#   def to_json(*)
-#     inspect
-#   end
-# end
-#
-# The above rails definition has some problems:
-#
-# 1. { 'foo' => /bar/ }.to_json # => "{foo: /bar/}"
-#    This isn't valid JSON, because the regular expression syntax is not
-#    defined in RFC 4627. (And unquoted strings are disallowed there, too.)
-#    Though it is valid Javascript.
-#
-# 2. { 'foo' => /bar/mix }.to_json # => "{foo: /bar/mix}"
-#    This isn't even valid Javascript.
-
diff --git a/lib/json/common.rb b/lib/json/common.rb
deleted file mode 100644
index 7bc5ae0656..0000000000
--- a/lib/json/common.rb
+++ /dev/null
@@ -1,354 +0,0 @@
-require 'json/version'
-
-module JSON
-  class << self
-    # If _object_ is string like parse the string and return the parsed result
-    # as a Ruby data structure. Otherwise generate a JSON text from the Ruby
-    # data structure object and return it.
-    #
-    # The _opts_ argument is passed through to generate/parse respectively, see
-    # generate and parse for their documentation.
-    def [](object, opts = {})
-      if object.respond_to? :to_str
-        JSON.parse(object.to_str, opts => {})
-      else
-        JSON.generate(object, opts => {})
-      end
-    end
-
-    # Returns the JSON parser class, that is used by JSON. This might be either
-    # JSON::Ext::Parser or JSON::Pure::Parser.
-    attr_reader :parser
-
-    # Set the JSON parser class _parser_ to be used by JSON.
-    def parser=(parser) # :nodoc:
-      @parser = parser
-      remove_const :Parser if const_defined? :Parser
-      const_set :Parser, parser
-    end
-
-    # Return the constant located at _path_. The format of _path_ has to be
-    # either ::A::B::C or A::B::C. In any case A has to be located at the top
-    # level (absolute namespace path?). If there doesn't exist a constant at
-    # the given path, an ArgumentError is raised.
-    def deep_const_get(path) # :nodoc:
-      path = path.to_s
-      path.split(/::/).inject(Object) do |p, c|
-        case
-        when c.empty?             then p
-        when p.const_defined?(c)  then p.const_get(c)
-        else                      raise ArgumentError, "can't find const #{path}"
-        end
-      end
-    end
-
-    # Set the module _generator_ to be used by JSON.
-    def generator=(generator) # :nodoc:
-      @generator = generator
-      generator_methods = generator::GeneratorMethods
-      for const in generator_methods.constants
-        klass = deep_const_get(const)
-        modul = generator_methods.const_get(const)
-        klass.class_eval do
-          instance_methods(false).each do |m|
-            m.to_s == 'to_json' and remove_method m
-          end
-          include modul
-        end
-      end
-      self.state = generator::State
-      const_set :State, self.state
-    end
-
-    # Returns the JSON generator modul, that is used by JSON. This might be
-    # either JSON::Ext::Generator or JSON::Pure::Generator.
-    attr_reader :generator
-
-    # Returns the JSON generator state class, that is used by JSON. This might
-    # be either JSON::Ext::Generator::State or JSON::Pure::Generator::State.
-    attr_accessor :state
-
-    # This is create identifier, that is used to decide, if the _json_create_
-    # hook of a class should be called. It defaults to 'json_class'.
-    attr_accessor :create_id
-  end
-  self.create_id = 'json_class'
-
-  NaN           = (-1.0) ** 0.5
-
-  Infinity      = 1.0/0
-
-  MinusInfinity = -Infinity
-
-  # The base exception for JSON errors.
-  class JSONError < StandardError; end
-
-  # This exception is raised, if a parser error occurs.
-  class ParserError < JSONError; end
-
-  # This exception is raised, if the nesting of parsed datastructures is too
-  # deep.
-  class NestingError < ParserError; end
-
-  # This exception is raised, if a generator or unparser error occurs.
-  class GeneratorError < JSONError; end
-  # For backwards compatibility
-  UnparserError = GeneratorError
-
-  # If a circular data structure is encountered while unparsing
-  # this exception is raised.
-  class CircularDatastructure < GeneratorError; end
-
-  # This exception is raised, if the required unicode support is missing on the
-  # system. Usually this means, that the iconv library is not installed.
-  class MissingUnicodeSupport < JSONError; end
-
-  module_function
-
-  # Parse the JSON string _source_ into a Ruby data structure and return it.
-  #
-  # _opts_ can have the following
-  # keys:
-  # * *max_nesting*: The maximum depth of nesting allowed in the parsed data
-  #   structures. Disable depth checking with :max_nesting => false, it defaults
-  #   to 19.
-  # * *allow_nan*: If set to true, allow NaN, Infinity and -Infinity in
-  #   defiance of RFC 4627 to be parsed by the Parser. This option defaults
-  #   to false.
-  # * *create_additions*: If set to false, the Parser doesn't create
-  #   additions even if a matchin class and create_id was found. This option
-  #   defaults to true.
-  def parse(source, opts = {})
-    JSON.parser.new(source, opts).parse
-  end
-
-  # Parse the JSON string _source_ into a Ruby data structure and return it.
-  # The bang version of the parse method, defaults to the more dangerous values
-  # for the _opts_ hash, so be sure only to parse trusted _source_ strings.
-  #
-  # _opts_ can have the following keys:
-  # * *max_nesting*: The maximum depth of nesting allowed in the parsed data
-  #   structures. Enable depth checking with :max_nesting => anInteger. The parse!
-  #   methods defaults to not doing max depth checking: This can be dangerous,
-  #   if someone wants to fill up your stack.
-  # * *allow_nan*: If set to true, allow NaN, Infinity, and -Infinity in
-  #   defiance of RFC 4627 to be parsed by the Parser. This option defaults
-  #   to true.
-  # * *create_additions*: If set to false, the Parser doesn't create
-  #   additions even if a matchin class and create_id was found. This option
-  #   defaults to true.
-  def parse!(source, opts = {})
-    opts = {
-      :max_nesting => false,
-      :allow_nan => true
-    }.update(opts)
-    JSON.parser.new(source, opts).parse
-  end
-
-  # Unparse the Ruby data structure _obj_ into a single line JSON string and
-  # return it. _state_ is
-  # * a JSON::State object,
-  # * or a Hash like object (responding to to_hash),
-  # * an object convertible into a hash by a to_h method,
-  # that is used as or to configure a State object.
-  #
-  # It defaults to a state object, that creates the shortest possible JSON text
-  # in one line, checks for circular data structures and doesn't allow NaN,
-  # Infinity, and -Infinity.
-  #
-  # A _state_ hash can have the following keys:
-  # * *indent*: a string used to indent levels (default: ''),
-  # * *space*: a string that is put after, a : or , delimiter (default: ''),
-  # * *space_before*: a string that is put before a : pair delimiter (default: ''),
-  # * *object_nl*: a string that is put at the end of a JSON object (default: ''), 
-  # * *array_nl*: a string that is put at the end of a JSON array (default: ''),
-  # * *check_circular*: true if checking for circular data structures
-  #   should be done (the default), false otherwise.
-  # * *allow_nan*: true if NaN, Infinity, and -Infinity should be
-  #   generated, otherwise an exception is thrown, if these values are
-  #   encountered. This options defaults to false.
-  # * *max_nesting*: The maximum depth of nesting allowed in the data
-  #   structures from which JSON is to be generated. Disable depth checking
-  #   with :max_nesting => false, it defaults to 19.
-  #
-  # See also the fast_generate for the fastest creation method with the least
-  # amount of sanity checks, and the pretty_generate method for some
-  # defaults for a pretty output.
-  def generate(obj, state = nil)
-    if state
-      state = State.from_state(state)
-    else
-      state = State.new
-    end
-    obj.to_json(state)
-  end
-
-  # :stopdoc:
-  # I want to deprecate these later, so I'll first be silent about them, and later delete them.
-  alias unparse generate
-  module_function :unparse
-  # :startdoc:
-
-  # Unparse the Ruby data structure _obj_ into a single line JSON string and
-  # return it. This method disables the checks for circles in Ruby objects, and
-  # also generates NaN, Infinity, and, -Infinity float values.
-  #
-  # *WARNING*: Be careful not to pass any Ruby data structures with circles as
-  # _obj_ argument, because this will cause JSON to go into an infinite loop.
-  def fast_generate(obj)
-    obj.to_json(nil)
-  end
-
-  # :stopdoc:
-  # I want to deprecate these later, so I'll first be silent about them, and later delete them.
-  alias fast_unparse fast_generate
-  module_function :fast_unparse
-  # :startdoc:
-
-  # Unparse the Ruby data structure _obj_ into a JSON string and return it. The
-  # returned string is a prettier form of the string returned by #unparse.
-  #
-  # The _opts_ argument can be used to configure the generator, see the
-  # generate method for a more detailed explanation.
-  def pretty_generate(obj, opts = nil)
-    state = JSON.state.new(
-      :indent     => '  ',
-      :space      => ' ',
-      :object_nl  => "\n",
-      :array_nl   => "\n",
-      :check_circular => true
-    )
-    if opts
-      if opts.respond_to? :to_hash
-        opts = opts.to_hash
-      elsif opts.respond_to? :to_h
-        opts = opts.to_h
-      else
-        raise TypeError, "can't convert #{opts.class} into Hash"
-      end
-      state.configure(opts)
-    end
-    obj.to_json(state)
-  end
-
-  # :stopdoc:
-  # I want to deprecate these later, so I'll first be silent about them, and later delete them.
-  alias pretty_unparse pretty_generate
-  module_function :pretty_unparse
-  # :startdoc:
-
-  # Load a ruby data structure from a JSON _source_ and return it. A source can
-  # either be a string like object, an IO like object, or an object responding
-  # to the read method. If _proc_ was given, it will be called with any nested
-  # Ruby object as an argument recursively in depth first order.
-  #
-  # This method is part of the implementation of the load/dump interface of
-  # Marshal and YAML.
-  def load(source, proc = nil)
-    if source.respond_to? :to_str
-      source = source.to_str
-    elsif source.respond_to? :to_io
-      source = source.to_io.read
-    else
-      source = source.read
-    end
-    result = parse(source, :max_nesting => false, :allow_nan => true)
-    recurse_proc(result, &proc) if proc
-    result
-  end
-
-  def recurse_proc(result, &proc)
-    case result
-    when Array
-      result.each { |x| recurse_proc x, &proc }
-      proc.call result
-    when Hash
-      result.each { |x, y| recurse_proc x, &proc; recurse_proc y, &proc }
-      proc.call result
-    else
-      proc.call result
-    end
-  end
-  private :recurse_proc
-  module_function :recurse_proc
-
-  alias restore load
-  module_function :restore
-
-  # Dumps _obj_ as a JSON string, i.e. calls generate on the object and returns
-  # the result.
-  #
-  # If anIO (an IO like object or an object that responds to the write method)
-  # was given, the resulting JSON is written to it.
-  #
-  # If the number of nested arrays or objects exceeds _limit_ an ArgumentError
-  # exception is raised. This argument is similar (but not exactly the
-  # same!) to the _limit_ argument in Marshal.dump.
-  #
-  # This method is part of the implementation of the load/dump interface of
-  # Marshal and YAML.
-  def dump(obj, anIO = nil, limit = nil)
-    if anIO and limit.nil?
-      anIO = anIO.to_io if anIO.respond_to?(:to_io)
-      unless anIO.respond_to?(:write)
-        limit = anIO
-        anIO = nil
-      end
-    end
-    limit ||= 0
-    result = generate(obj, :allow_nan => true, :max_nesting => limit)
-    if anIO
-      anIO.write result
-      anIO
-    else
-      result
-    end
-  rescue JSON::NestingError
-    raise ArgumentError, "exceed depth limit"
-  end
-end
-
-module ::Kernel
-  # Outputs _objs_ to STDOUT as JSON strings in the shortest form, that is in
-  # one line.
-  def j(*objs)
-    objs.each do |obj|
-      puts JSON::generate(obj, :allow_nan => true, :max_nesting => false)
-    end
-    nil
-  end
-
-  # Ouputs _objs_ to STDOUT as JSON strings in a pretty format, with
-  # indentation and over many lines.
-  def jj(*objs)
-    objs.each do |obj|
-      puts JSON::pretty_generate(obj, :allow_nan => true, :max_nesting => false)
-    end
-    nil
-  end
-
-  # If _object_ is string like parse the string and return the parsed result as
-  # a Ruby data structure. Otherwise generate a JSON text from the Ruby data
-  # structure object and return it.
-  #
-  # The _opts_ argument is passed through to generate/parse respectively, see
-  # generate and parse for their documentation.
-  def JSON(object, opts = {})
-    if object.respond_to? :to_str
-      JSON.parse(object.to_str, opts)
-    else
-      JSON.generate(object, opts)
-    end
-  end
-end
-
-class ::Class
-  # Returns true, if this class can be used to create an instance
-  # from a serialised JSON string. The class has to implement a class
-  # method _json_create_ that expects a hash as first parameter, which includes
-  # the required data.
-  def json_creatable?
-    respond_to?(:json_create)
-  end
-end
-  # vim: set et sw=2 ts=2:
diff --git a/lib/json/editor.rb b/lib/json/editor.rb
deleted file mode 100644
index 9a65400622..0000000000
--- a/lib/json/editor.rb
+++ /dev/null
@@ -1,1363 +0,0 @@
-# To use the GUI JSON editor, start the edit_json.rb executable script. It
-# requires ruby-gtk to be installed.
-
-require 'gtk2'
-require 'iconv'
-require 'json'
-require 'rbconfig'
-require 'open-uri'
-
-module JSON
-  module Editor
-    include Gtk
-
-    # Beginning of the editor window title
-    TITLE                 = 'JSON Editor'.freeze
-
-    # Columns constants
-    ICON_COL, TYPE_COL, CONTENT_COL = 0, 1, 2
-
-    # JSON primitive types (Containers)
-    CONTAINER_TYPES = %w[Array Hash].sort
-    # All JSON primitive types
-    ALL_TYPES = (%w[TrueClass FalseClass Numeric String NilClass] +
-                 CONTAINER_TYPES).sort
-
-    # The Nodes necessary for the tree representation of a JSON document
-    ALL_NODES = (ALL_TYPES + %w[Key]).sort
-
-    DEFAULT_DIALOG_KEY_PRESS_HANDLER = lambda do |dialog, event|
-      case event.keyval
-      when Gdk::Keyval::GDK_Return
-        dialog.response Dialog::RESPONSE_ACCEPT
-      when Gdk::Keyval::GDK_Escape
-        dialog.response Dialog::RESPONSE_REJECT
-      end
-    end
-
-    # Returns the Gdk::Pixbuf of the icon named _name_ from the icon cache.
-    def Editor.fetch_icon(name)
-      @icon_cache ||= {}
-      unless @icon_cache.key?(name)
-        path = File.dirname(__FILE__)
-        @icon_cache[name] = Gdk::Pixbuf.new(File.join(path, name + '.xpm'))
-      end
-     @icon_cache[name]
-    end
-
-    # Opens an error dialog on top of _window_ showing the error message
-    # _text_.
-    def Editor.error_dialog(window, text)
-      dialog = MessageDialog.new(window, Dialog::MODAL, 
-        MessageDialog::ERROR, 
-        MessageDialog::BUTTONS_CLOSE, text)
-      dialog.show_all
-      dialog.run
-    rescue TypeError
-      dialog = MessageDialog.new(Editor.window, Dialog::MODAL, 
-        MessageDialog::ERROR, 
-        MessageDialog::BUTTONS_CLOSE, text)
-      dialog.show_all
-      dialog.run
-    ensure
-      dialog.destroy if dialog
-    end
-
-    # Opens a yes/no question dialog on top of _window_ showing the error
-    # message _text_. If yes was answered _true_ is returned, otherwise
-    # _false_.
-    def Editor.question_dialog(window, text)
-      dialog = MessageDialog.new(window, Dialog::MODAL, 
-        MessageDialog::QUESTION, 
-        MessageDialog::BUTTONS_YES_NO, text)
-      dialog.show_all
-      dialog.run do |response|
-        return Gtk::Dialog::RESPONSE_YES === response
-      end
-    ensure
-      dialog.destroy if dialog
-    end
-
-    # Convert the tree model starting from Gtk::TreeIter _iter_ into a Ruby
-    # data structure and return it.
-    def Editor.model2data(iter)
-      return nil if iter.nil?
-      case iter.type
-      when 'Hash'
-        hash = {}
-        iter.each { |c| hash[c.content] = Editor.model2data(c.first_child) }
-        hash
-      when 'Array'
-        array = Array.new(iter.n_children)
-        iter.each_with_index { |c, i| array[i] = Editor.model2data(c) }
-        array
-      when 'Key'
-        iter.content
-      when 'String'
-        iter.content
-      when 'Numeric'
-        content = iter.content
-        if /\./.match(content)
-          content.to_f
-        else
-          content.to_i
-        end
-      when 'TrueClass'
-        true
-      when 'FalseClass'
-        false
-      when 'NilClass'
-        nil
-      else
-        fail "Unknown type found in model: #{iter.type}"
-      end
-    end
-
-    # Convert the Ruby data structure _data_ into tree model data for Gtk and
-    # returns the whole model. If the parameter _model_ wasn't given a new
-    # Gtk::TreeStore is created as the model. The _parent_ parameter specifies
-    # the parent node (iter, Gtk:TreeIter instance) to which the data is
-    # appended, alternativeley the result of the yielded block is used as iter.
-    def Editor.data2model(data, model = nil, parent = nil)
-      model ||= TreeStore.new(Gdk::Pixbuf, String, String)
-      iter = if block_given?
-        yield model
-      else
-        model.append(parent)
-      end
-      case data
-      when Hash
-        iter.type = 'Hash'
-        data.sort.each do |key, value|
-          pair_iter = model.append(iter)
-          pair_iter.type    = 'Key'
-          pair_iter.content = key.to_s
-          Editor.data2model(value, model, pair_iter)
-        end
-      when Array
-        iter.type = 'Array'
-        data.each do |value|
-          Editor.data2model(value, model, iter)
-        end
-      when Numeric
-        iter.type = 'Numeric'
-        iter.content = data.to_s
-      when String, true, false, nil
-        iter.type    = data.class.name
-        iter.content = data.nil? ? 'null' : data.to_s
-      else
-        iter.type    = 'String'
-        iter.content = data.to_s
-      end
-      model
-    end
-
-    # The Gtk::TreeIter class is reopened and some auxiliary methods are added.
-    class Gtk::TreeIter
-      include Enumerable
-
-      # Traverse each of this Gtk::TreeIter instance's children
-      # and yield to them.
-      def each
-        n_children.times { |i| yield nth_child(i) }
-      end
-
-      # Recursively traverse all nodes of this Gtk::TreeIter's subtree
-      # (including self) and yield to them.
-      def recursive_each(&block)
-        yield self
-        each do |i|
-          i.recursive_each(&block)
-        end
-      end
-
-      # Remove the subtree of this Gtk::TreeIter instance from the
-      # model _model_.
-      def remove_subtree(model)
-        while current = first_child
-          model.remove(current)
-        end
-      end
-
-      # Returns the type of this node.
-      def type
-        self[TYPE_COL]
-      end
-
-      # Sets the type of this node to _value_. This implies setting
-      # the respective icon accordingly.
-      def type=(value)
-        self[TYPE_COL] = value
-        self[ICON_COL] = Editor.fetch_icon(value)
-      end
-
-      # Returns the content of this node.
-      def content
-        self[CONTENT_COL]
-      end
-
-      # Sets the content of this node to _value_.
-      def content=(value)
-        self[CONTENT_COL] = value
-      end
-    end
-
-    # This module bundles some method, that can be used to create a menu. It
-    # should be included into the class in question.
-    module MenuExtension
-      include Gtk
-
-      # Creates a Menu, that includes MenuExtension. _treeview_ is the
-      # Gtk::TreeView, on which it operates.
-      def initialize(treeview)
-        @treeview = treeview
-        @menu = Menu.new
-      end
-
-      # Returns the Gtk::TreeView of this menu.
-      attr_reader :treeview
-
-      # Returns the menu.
-      attr_reader :menu
-
-      # Adds a Gtk::SeparatorMenuItem to this instance's #menu.
-      def add_separator
-        menu.append SeparatorMenuItem.new
-      end
-
-      # Adds a Gtk::MenuItem to this instance's #menu. _label_ is the label
-      # string, _klass_ is the item type, and _callback_ is the procedure, that
-      # is called if the _item_ is activated.
-      def add_item(label, keyval = nil, klass = MenuItem, &callback)
-        label = "#{label} (C-#{keyval.chr})" if keyval
-        item = klass.new(label)
-        item.signal_connect(:activate, &callback)
-        if keyval
-          self.signal_connect(:'key-press-event') do |item, event|
-            if event.state & Gdk::Window::ModifierType::CONTROL_MASK != 0 and
-              event.keyval == keyval
-              callback.call item
-            end
-          end
-        end
-        menu.append item
-        item
-      end
-
-      # This method should be implemented in subclasses to create the #menu of
-      # this instance. It has to be called after an instance of this class is
-      # created, to build the menu.
-      def create
-        raise NotImplementedError
-      end
-
-      def method_missing(*a, &b)
-        treeview.__send__(*a, &b)
-      end
-    end
-
-    # This class creates the popup menu, that opens when clicking onto the
-    # treeview.
-    class PopUpMenu
-      include MenuExtension
-
-      # Change the type or content of the selected node.
-      def change_node(item)
-        if current = selection.selected
-          parent = current.parent
-          old_type, old_content = current.type, current.content
-          if ALL_TYPES.include?(old_type)
-            @clipboard_data = Editor.model2data(current)
-            type, content = ask_for_element(parent, current.type,
-              current.content)
-            if type
-              current.type, current.content = type, content
-              current.remove_subtree(model)
-              toplevel.display_status("Changed a node in tree.")
-              window.change
-            end
-          else
-            toplevel.display_status(
-              "Cannot change node of type #{old_type} in tree!")
-          end
-        end
-      end
-
-      # Cut the selected node and its subtree, and save it into the
-      # clipboard.
-      def cut_node(item)
-        if current = selection.selected
-          if current and current.type == 'Key'
-            @clipboard_data = {
-              current.content => Editor.model2data(current.first_child)
-            }
-          else
-            @clipboard_data = Editor.model2data(current)
-          end
-          model.remove(current)
-          window.change
-          toplevel.display_status("Cut a node from tree.")
-        end
-      end
-
-      # Copy the selected node and its subtree, and save it into the
-      # clipboard.
-      def copy_node(item)
-        if current = selection.selected
-          if current and current.type == 'Key'
-            @clipboard_data = {
-              current.content => Editor.model2data(current.first_child)
-            }
-          else
-            @clipboard_data = Editor.model2data(current)
-          end
-          window.change
-          toplevel.display_status("Copied a node from tree.")
-        end
-      end
-
-      # Paste the data in the clipboard into the selected Array or Hash by
-      # appending it.
-      def paste_node_appending(item)
-        if current = selection.selected
-          if @clipboard_data
-            case current.type
-            when 'Array'
-              Editor.data2model(@clipboard_data, model, current)
-              expand_collapse(current)
-            when 'Hash'
-              if @clipboard_data.is_a? Hash
-                parent = current.parent
-                hash = Editor.model2data(current)
-                model.remove(current)
-                hash.update(@clipboard_data)
-                Editor.data2model(hash, model, parent)
-                if parent
-                  expand_collapse(parent)
-                elsif @expanded
-                  expand_all
-                end
-                window.change
-              else
-                toplevel.display_status(
-                  "Cannot paste non-#{current.type} data into '#{current.type}'!")
-              end
-            else
-              toplevel.display_status(
-                "Cannot paste node below '#{current.type}'!")
-            end
-          else
-            toplevel.display_status("Nothing to paste in clipboard!")
-          end
-        else
-            toplevel.display_status("Append a node into the root first!")
-        end
-      end
-
-      # Paste the data in the clipboard into the selected Array inserting it
-      # before the selected element.
-      def paste_node_inserting_before(item)
-        if current = selection.selected
-          if @clipboard_data
-            parent = current.parent or return
-            parent_type = parent.type
-            if parent_type == 'Array'
-              selected_index = parent.each_with_index do |c, i|
-                break i if c == current
-              end
-              Editor.data2model(@clipboard_data, model, parent) do |m|
-                m.insert_before(parent, current)
-              end
-              expand_collapse(current)
-              toplevel.display_status("Inserted an element to " +
-                "'#{parent_type}' before index #{selected_index}.")
-              window.change
-            else
-              toplevel.display_status(
-                "Cannot insert node below '#{parent_type}'!")
-            end
-          else
-            toplevel.display_status("Nothing to paste in clipboard!")
-          end
-        else
-            toplevel.display_status("Append a node into the root first!")
-        end
-      end
-
-      # Append a new node to the selected Hash or Array.
-      def append_new_node(item)
-        if parent = selection.selected
-          parent_type = parent.type
-          case parent_type
-          when 'Hash'
-            key, type, content = ask_for_hash_pair(parent)
-            key or return
-            iter = create_node(parent, 'Key', key)
-            iter = create_node(iter, type, content)
-            toplevel.display_status(
-              "Added a (key, value)-pair to '#{parent_type}'.")
-            window.change
-          when 'Array'
-            type, content = ask_for_element(parent)
-            type or return
-            iter = create_node(parent, type, content)
-            window.change
-            toplevel.display_status("Appendend an element to '#{parent_type}'.")
-          else
-            toplevel.display_status("Cannot append to '#{parent_type}'!")
-          end
-        else
-          type, content = ask_for_element
-          type or return
-          iter = create_node(nil, type, content)
-          window.change
-        end
-      end
-
-      # Insert a new node into an Array before the selected element.
-      def insert_new_node(item)
-        if current = selection.selected
-          parent = current.parent or return
-          parent_parent = parent.parent
-          parent_type = parent.type
-          if parent_type == 'Array'
-            selected_index = parent.each_with_index do |c, i|
-              break i if c == current
-            end
-            type, content = ask_for_element(parent)
-            type or return
-            iter = model.insert_before(parent, current)
-            iter.type, iter.content = type, content
-            toplevel.display_status("Inserted an element to " +
-              "'#{parent_type}' before index #{selected_index}.")
-            window.change
-          else
-            toplevel.display_status(
-              "Cannot insert node below '#{parent_type}'!")
-          end
-        else
-            toplevel.display_status("Append a node into the root first!")
-        end
-      end
-
-      # Recursively collapse/expand a subtree starting from the selected node.
-      def collapse_expand(item)
-        if current = selection.selected
-          if row_expanded?(current.path)
-            collapse_row(current.path)
-          else
-            expand_row(current.path, true)
-          end
-        else
-            toplevel.display_status("Append a node into the root first!")
-        end
-      end
-
-      # Create the menu.
-      def create
-        add_item("Change node", ?n, &method(:change_node))
-        add_separator
-        add_item("Cut node", ?X, &method(:cut_node))
-        add_item("Copy node", ?C, &method(:copy_node))
-        add_item("Paste node (appending)", ?A, &method(:paste_node_appending))
-        add_item("Paste node (inserting before)", ?I,
-          &method(:paste_node_inserting_before))
-        add_separator
-        add_item("Append new node", ?a, &method(:append_new_node))
-        add_item("Insert new node before", ?i, &method(:insert_new_node))
-        add_separator 
-        add_item("Collapse/Expand node (recursively)", ?e,
-          &method(:collapse_expand))
-
-        menu.show_all
-        signal_connect(:button_press_event) do |widget, event|
-          if event.kind_of? Gdk::EventButton and event.button == 3
-            menu.popup(nil, nil, event.button, event.time)
-          end
-        end
-        signal_connect(:popup_menu) do
-          menu.popup(nil, nil, 0, Gdk::Event::CURRENT_TIME)
-        end
-      end
-    end
-
-    # This class creates the File pulldown menu.
-    class FileMenu
-      include MenuExtension
-
-      # Clear the model and filename, but ask to save the JSON document, if
-      # unsaved changes have occured.
-      def new(item)
-        window.clear
-      end
-
-      # Open a file and load it into the editor. Ask to save the JSON document
-      # first, if unsaved changes have occured.
-      def open(item)
-        window.file_open
-      end
-
-      def open_location(item)
-        window.location_open
-      end
-
-      # Revert the current JSON document in the editor to the saved version.
-      def revert(item)
-        window.instance_eval do
-          @filename and file_open(@filename) 
-        end
-      end
-
-      # Save the current JSON document.
-      def save(item)
-        window.file_save
-      end
-
-      # Save the current JSON document under the given filename.
-      def save_as(item)
-        window.file_save_as
-      end
-
-      # Quit the editor, after asking to save any unsaved changes first.
-      def quit(item)
-        window.quit
-      end
-
-      # Create the menu.
-      def create
-        title = MenuItem.new('File')
-        title.submenu = menu
-        add_item('New', &method(:new))
-        add_item('Open', ?o, &method(:open))
-        add_item('Open location', ?l, &method(:open_location))
-        add_item('Revert', &method(:revert))
-        add_separator
-        add_item('Save', ?s, &method(:save))
-        add_item('Save As', ?S, &method(:save_as))
-        add_separator
-        add_item('Quit', ?q, &method(:quit))
-        title
-      end
-    end
-
-    # This class creates the Edit pulldown menu.
-    class EditMenu
-      include MenuExtension
-
-      # Copy data from model into primary clipboard.
-      def copy(item)
-        data = Editor.model2data(model.iter_first)
-        json = JSON.pretty_generate(data, :max_nesting => false)
-        c = Gtk::Clipboard.get(Gdk::Selection::PRIMARY)
-        c.text = json
-      end
-
-      # Copy json text from primary clipboard into model.
-      def paste(item)
-        c = Gtk::Clipboard.get(Gdk::Selection::PRIMARY)
-        if json = c.wait_for_text
-          window.ask_save if @changed
-          begin
-            window.edit json
-          rescue JSON::ParserError
-            window.clear
-          end
-        end
-      end
-
-      # Find a string in all nodes' contents and select the found node in the
-      # treeview.
-      def find(item)
-        @search = ask_for_find_term(@search) or return
-        iter = model.get_iter('0') or return
-        iter.recursive_each do |i|
-          if @iter
-            if @iter != i
-              next
-            else
-              @iter = nil
-              next
-            end
-          elsif @search.match(i[CONTENT_COL])
-             set_cursor(i.path, nil, false)
-             @iter = i
-             break
-          end
-        end
-      end
-
-      # Repeat the last search given by #find.
-      def find_again(item)
-        @search or return
-        iter = model.get_iter('0')
-        iter.recursive_each do |i|
-          if @iter
-            if @iter != i
-              next
-            else
-              @iter = nil
-              next
-            end
-          elsif @search.match(i[CONTENT_COL])
-             set_cursor(i.path, nil, false)
-             @iter = i
-             break
-          end
-        end
-      end
-
-      # Sort (Reverse sort) all elements of the selected array by the given
-      # expression. _x_ is the element in question.
-      def sort(item)
-        if current = selection.selected
-          if current.type == 'Array'
-            parent = current.parent
-            ary = Editor.model2data(current)
-            order, reverse = ask_for_order
-            order or return
-            begin
-              block = eval "lambda { |x| #{order} }"
-              if reverse
-                ary.sort! { |a,b| block[b] <=> block[a] }
-              else
-                ary.sort! { |a,b| block[a] <=> block[b] }
-              end
-            rescue => e
-              Editor.error_dialog(self, "Failed to sort Array with #{order}: #{e}!")
-            else
-              Editor.data2model(ary, model, parent) do |m|
-                m.insert_before(parent, current)
-              end
-              model.remove(current)
-              expand_collapse(parent)
-              window.change
-              toplevel.display_status("Array has been sorted.")
-            end
-          else
-            toplevel.display_status("Only Array nodes can be sorted!")
-          end
-        else
-            toplevel.display_status("Select an Array to sort first!")
-        end
-      end
-
-      # Create the menu.
-      def create
-        title = MenuItem.new('Edit')
-        title.submenu = menu
-        add_item('Copy', ?c, &method(:copy))
-        add_item('Paste', ?v, &method(:paste))
-        add_separator
-        add_item('Find', ?f, &method(:find))
-        add_item('Find Again', ?g, &method(:find_again))
-        add_separator
-        add_item('Sort', ?S, &method(:sort))
-        title
-      end
-    end
-
-    class OptionsMenu
-      include MenuExtension
-
-      # Collapse/Expand all nodes by default.
-      def collapsed_nodes(item)
-        if expanded
-          self.expanded = false
-          collapse_all
-        else
-          self.expanded = true
-          expand_all 
-        end
-      end
-
-      # Toggle pretty saving mode on/off.
-      def pretty_saving(item)
-        @pretty_item.toggled
-        window.change
-      end
-
-      attr_reader :pretty_item
-
-      # Create the menu.
-      def create
-        title = MenuItem.new('Options')
-        title.submenu = menu
-        add_item('Collapsed nodes', nil, CheckMenuItem, &method(:collapsed_nodes))
-        @pretty_item = add_item('Pretty saving', nil, CheckMenuItem,
-          &method(:pretty_saving))
-        @pretty_item.active = true
-        window.unchange
-        title
-      end
-    end
-
-    # This class inherits from Gtk::TreeView, to configure it and to add a lot
-    # of behaviour to it.
-    class JSONTreeView < Gtk::TreeView
-      include Gtk
-
-      # Creates a JSONTreeView instance, the parameter _window_ is
-      # a MainWindow instance and used for self delegation.
-      def initialize(window)
-        @window = window
-        super(TreeStore.new(Gdk::Pixbuf, String, String))
-        self.selection.mode = SELECTION_BROWSE
-
-        @expanded = false
-        self.headers_visible = false
-        add_columns
-        add_popup_menu
-      end
-
-      # Returns the MainWindow instance of this JSONTreeView.
-      attr_reader :window
-
-      # Returns true, if nodes are autoexpanding, false otherwise.
-      attr_accessor :expanded
-
-      private
-
-      def add_columns
-        cell = CellRendererPixbuf.new
-        column = TreeViewColumn.new('Icon', cell,
-          'pixbuf'      => ICON_COL
-        )
-        append_column(column)
-
-        cell = CellRendererText.new
-        column = TreeViewColumn.new('Type', cell,
-          'text'      => TYPE_COL
-        )
-        append_column(column)
-
-        cell = CellRendererText.new
-        cell.editable = true
-        column = TreeViewColumn.new('Content', cell,
-          'text'       => CONTENT_COL
-        )
-        cell.signal_connect(:edited, &method(:cell_edited))
-        append_column(column)
-      end
-
-      def unify_key(iter, key)
-        return unless iter.type == 'Key'
-        parent = iter.parent
-        if parent.any? { |c| c != iter and c.content == key }
-          old_key = key
-          i = 0
-          begin
-            key = sprintf("%s.%d", old_key, i += 1)
-          end while parent.any? { |c| c != iter and c.content == key }
-        end
-        iter.content = key
-      end
-
-      def cell_edited(cell, path, value)
-        iter = model.get_iter(path)
-        case iter.type
-        when 'Key'
-          unify_key(iter, value)
-          toplevel.display_status('Key has been changed.')
-        when 'FalseClass'
-          value.downcase!
-          if value == 'true'
-            iter.type, iter.content = 'TrueClass', 'true'
-          end
-        when 'TrueClass'
-          value.downcase!
-          if value == 'false'
-            iter.type, iter.content = 'FalseClass', 'false'
-          end
-        when 'Numeric'
-          iter.content = (Integer(value) rescue Float(value) rescue 0).to_s
-        when 'String'
-          iter.content = value
-        when 'Hash', 'Array'
-          return
-        else
-          fail "Unknown type found in model: #{iter.type}"
-        end
-        window.change
-      end
-
-      def configure_value(value, type)
-        value.editable = false
-        case type
-        when 'Array', 'Hash'
-          value.text = ''
-        when 'TrueClass'
-          value.text = 'true'
-        when 'FalseClass'
-          value.text = 'false'
-        when 'NilClass'
-          value.text = 'null'
-        when 'Numeric', 'String'
-          value.text ||= ''
-          value.editable = true
-        else
-          raise ArgumentError, "unknown type '#{type}' encountered"
-        end
-      end
-
-      def add_popup_menu
-        menu = PopUpMenu.new(self)
-        menu.create
-      end
-
-      public
-
-      # Create a _type_ node with content _content_, and add it to _parent_
-      # in the model. If _parent_ is nil, create a new model and put it into
-      # the editor treeview.
-      def create_node(parent, type, content)
-        iter = if parent
-          model.append(parent)
-        else
-          new_model = Editor.data2model(nil)
-          toplevel.view_new_model(new_model)
-          new_model.iter_first
-        end
-        iter.type, iter.content = type, content
-        expand_collapse(parent) if parent
-        iter
-      end
-
-      # Ask for a hash key, value pair to be added to the Hash node _parent_.
-      def ask_for_hash_pair(parent)
-        key_input = type_input = value_input = nil
-
-        dialog = Dialog.new("New (key, value) pair for Hash", nil, nil,
-          [ Stock::OK, Dialog::RESPONSE_ACCEPT ],
-          [ Stock::CANCEL, Dialog::RESPONSE_REJECT ]
-        )
-        dialog.width_request = 640
-
-        hbox = HBox.new(false, 5)
-        hbox.pack_start(Label.new("Key:"), false)
-        hbox.pack_start(key_input = Entry.new)
-        key_input.text = @key || ''
-        dialog.vbox.pack_start(hbox, false)
-        key_input.signal_connect(:activate) do
-          if parent.any? { |c| c.content == key_input.text }
-            toplevel.display_status('Key already exists in Hash!')
-            key_input.text = ''
-          else
-            toplevel.display_status('Key has been changed.')
-          end
-        end
-
-        hbox = HBox.new(false, 5)
-        hbox.pack_start(Label.new("Type:"), false)
-        hbox.pack_start(type_input = ComboBox.new(true))
-        ALL_TYPES.each { |t| type_input.append_text(t) }
-        type_input.active = @type || 0
-        dialog.vbox.pack_start(hbox, false)
-
-        type_input.signal_connect(:changed) do
-          value_input.editable = false
-          case ALL_TYPES[type_input.active]
-          when 'Array', 'Hash'
-            value_input.text = ''
-          when 'TrueClass'
-            value_input.text = 'true'
-          when 'FalseClass'
-            value_input.text = 'false'
-          when 'NilClass'
-            value_input.text = 'null'
-          else
-            value_input.text = ''
-            value_input.editable = true
-          end
-        end
-
-        hbox = HBox.new(false, 5)
-        hbox.pack_start(Label.new("Value:"), false)
-        hbox.pack_start(value_input = Entry.new)
-        value_input.width_chars = 60
-        value_input.text = @value || ''
-        dialog.vbox.pack_start(hbox, false)
-
-        dialog.signal_connect(:'key-press-event', &DEFAULT_DIALOG_KEY_PRESS_HANDLER)
-        dialog.show_all
-        self.focus = dialog
-        dialog.run do |response| 
-          if response == Dialog::RESPONSE_ACCEPT
-            @key = key_input.text
-            type = ALL_TYPES[@type = type_input.active]
-            content = value_input.text
-            return @key, type, content
-          end
-        end
-        return
-      ensure
-        dialog.destroy
-      end
-
-      # Ask for an element to be appended _parent_.
-      def ask_for_element(parent = nil, default_type = nil, value_text = @content)
-        type_input = value_input = nil
-
-        dialog = Dialog.new(
-          "New element into #{parent ? parent.type : 'root'}",
-          nil, nil,
-          [ Stock::OK, Dialog::RESPONSE_ACCEPT ],
-          [ Stock::CANCEL, Dialog::RESPONSE_REJECT ]
-        )
-        hbox = HBox.new(false, 5)
-        hbox.pack_start(Label.new("Type:"), false)
-        hbox.pack_start(type_input = ComboBox.new(true))
-        default_active = 0
-        types = parent ? ALL_TYPES : CONTAINER_TYPES
-        types.each_with_index do |t, i|
-          type_input.append_text(t)
-          if t == default_type
-            default_active = i
-          end
-        end
-        type_input.active = default_active
-        dialog.vbox.pack_start(hbox, false)
-        type_input.signal_connect(:changed) do
-          configure_value(value_input, types[type_input.active])
-        end
-
-        hbox = HBox.new(false, 5)
-        hbox.pack_start(Label.new("Value:"), false)
-        hbox.pack_start(value_input = Entry.new)
-        value_input.width_chars = 60
-        value_input.text = value_text if value_text
-        configure_value(value_input, types[type_input.active])
-
-        dialog.vbox.pack_start(hbox, false)
-
-        dialog.signal_connect(:'key-press-event', &DEFAULT_DIALOG_KEY_PRESS_HANDLER)
-        dialog.show_all
-        self.focus = dialog
-        dialog.run do |response| 
-          if response == Dialog::RESPONSE_ACCEPT
-            type = types[type_input.active]
-            @content = case type
-            when 'Numeric'
-              Integer(value_input.text) rescue Float(value_input.text) rescue 0
-            else
-              value_input.text
-            end.to_s
-            return type, @content
-          end
-        end
-        return
-      ensure
-        dialog.destroy if dialog
-      end
-
-      # Ask for an order criteria for sorting, using _x_ for the element in
-      # question. Returns the order criterium, and true/false for reverse
-      # sorting.
-      def ask_for_order
-        dialog = Dialog.new(
-          "Give an order criterium for 'x'.",
-          nil, nil,
-          [ Stock::OK, Dialog::RESPONSE_ACCEPT ],
-          [ Stock::CANCEL, Dialog::RESPONSE_REJECT ]
-        )
-        hbox = HBox.new(false, 5)
-
-        hbox.pack_start(Label.new("Order:"), false)
-        hbox.pack_start(order_input = Entry.new)
-        order_input.text = @order || 'x'
-        order_input.width_chars = 60
-
-        hbox.pack_start(reverse_checkbox = CheckButton.new('Reverse'), false)
-
-        dialog.vbox.pack_start(hbox, false)
-
-        dialog.signal_connect(:'key-press-event', &DEFAULT_DIALOG_KEY_PRESS_HANDLER)
-        dialog.show_all
-        self.focus = dialog
-        dialog.run do |response| 
-          if response == Dialog::RESPONSE_ACCEPT
-            return @order = order_input.text, reverse_checkbox.active?
-          end
-        end
-        return
-      ensure
-        dialog.destroy if dialog
-      end
-
-      # Ask for a find term to search for in the tree. Returns the term as a
-      # string.
-      def ask_for_find_term(search = nil)
-        dialog = Dialog.new(
-          "Find a node matching regex in tree.",
-          nil, nil,
-          [ Stock::OK, Dialog::RESPONSE_ACCEPT ],
-          [ Stock::CANCEL, Dialog::RESPONSE_REJECT ]
-        )
-        hbox = HBox.new(false, 5)
-
-        hbox.pack_start(Label.new("Regex:"), false)
-        hbox.pack_start(regex_input = Entry.new)
-        hbox.pack_start(icase_checkbox = CheckButton.new('Icase'), false)
-        regex_input.width_chars = 60
-        if search
-          regex_input.text = search.source
-          icase_checkbox.active = search.casefold?
-        end
-
-        dialog.vbox.pack_start(hbox, false)
-
-        dialog.signal_connect(:'key-press-event', &DEFAULT_DIALOG_KEY_PRESS_HANDLER)
-        dialog.show_all
-        self.focus = dialog
-        dialog.run do |response| 
-          if response == Dialog::RESPONSE_ACCEPT
-            begin
-              return Regexp.new(regex_input.text, icase_checkbox.active? ? Regexp::IGNORECASE : 0)
-            rescue => e
-              Editor.error_dialog(self, "Evaluation of regex /#{regex_input.text}/ failed: #{e}!")
-              return
-            end
-          end
-        end
-        return
-      ensure
-        dialog.destroy if dialog
-      end
-
-      # Expand or collapse row pointed to by _iter_ according
-      # to the #expanded attribute.
-      def expand_collapse(iter)
-        if expanded
-          expand_row(iter.path, true)
-        else
-          collapse_row(iter.path)
-        end
-      end
-    end
-
-    # The editor main window
-    class MainWindow < Gtk::Window
-      include Gtk
-
-      def initialize(encoding)
-        @changed  = false
-        @encoding = encoding
-        super(TOPLEVEL)
-        display_title
-        set_default_size(800, 600)
-        signal_connect(:delete_event) { quit }
-
-        vbox = VBox.new(false, 0)
-        add(vbox)
-        #vbox.border_width = 0
-
-        @treeview = JSONTreeView.new(self)
-        @treeview.signal_connect(:'cursor-changed') do
-          display_status('')
-        end
-
-        menu_bar = create_menu_bar
-        vbox.pack_start(menu_bar, false, false, 0)
-
-        sw = ScrolledWindow.new(nil, nil)
-        sw.shadow_type = SHADOW_ETCHED_IN
-        sw.set_policy(POLICY_AUTOMATIC, POLICY_AUTOMATIC)
-        vbox.pack_start(sw, true, true, 0)
-        sw.add(@treeview)
-
-        @status_bar = Statusbar.new
-        vbox.pack_start(@status_bar, false, false, 0)
-
-        @filename ||= nil
-        if @filename
-          data = read_data(@filename)
-          view_new_model Editor.data2model(data)
-        end
-
-        signal_connect(:button_release_event) do |_,event|
-          if event.button == 2
-            c = Gtk::Clipboard.get(Gdk::Selection::PRIMARY)
-            if url = c.wait_for_text
-              location_open url
-            end
-            false
-          else
-            true
-          end
-        end
-      end
-
-      # Creates the menu bar with the pulldown menus and returns it.
-      def create_menu_bar
-        menu_bar = MenuBar.new
-        @file_menu = FileMenu.new(@treeview)
-        menu_bar.append @file_menu.create
-        @edit_menu = EditMenu.new(@treeview)
-        menu_bar.append @edit_menu.create
-        @options_menu = OptionsMenu.new(@treeview)
-        menu_bar.append @options_menu.create
-        menu_bar
-      end
-
-      # Sets editor status to changed, to indicate that the edited data
-      # containts unsaved changes.
-      def change
-        @changed = true
-        display_title
-      end
-
-      # Sets editor status to unchanged, to indicate that the edited data
-      # doesn't containt unsaved changes.
-      def unchange
-        @changed = false
-        display_title
-      end
-
-      # Puts a new model _model_ into the Gtk::TreeView to be edited.
-      def view_new_model(model)
-        @treeview.model     = model
-        @treeview.expanded  = true
-        @treeview.expand_all
-        unchange
-      end
-
-      # Displays _text_ in the status bar.
-      def display_status(text)
-        @cid ||= nil
-        @status_bar.pop(@cid) if @cid
-        @cid = @status_bar.get_context_id('dummy')
-        @status_bar.push(@cid, text)
-      end
-
-      # Opens a dialog, asking, if changes should be saved to a file.
-      def ask_save
-        if Editor.question_dialog(self,
-          "Unsaved changes to JSON model. Save?")
-          if @filename
-            file_save
-          else
-            file_save_as
-          end
-        end
-      end
-
-      # Quit this editor, that is, leave this editor's main loop.
-      def quit
-        ask_save if @changed
-        if Gtk.main_level > 0
-          destroy
-          Gtk.main_quit
-        end
-        nil
-      end
-
-      # Display the new title according to the editor's current state.
-      def display_title
-        title = TITLE.dup
-        title << ": #@filename" if @filename
-        title << " *" if @changed
-        self.title = title
-      end
-
-      # Clear the current model, after asking to save all unsaved changes.
-      def clear
-        ask_save if @changed
-        @filename = nil
-        self.view_new_model nil
-      end
-
-      def check_pretty_printed(json)
-        pretty = !!((nl_index = json.index("\n")) && nl_index != json.size - 1)
-        @options_menu.pretty_item.active = pretty
-      end
-      private :check_pretty_printed
-
-      # Open the data at the location _uri_, if given. Otherwise open a dialog
-      # to ask for the _uri_.
-      def location_open(uri = nil)
-        uri = ask_for_location unless uri
-        uri or return
-        ask_save if @changed
-        data = load_location(uri) or return
-        view_new_model Editor.data2model(data)
-      end
-
-      # Open the file _filename_ or call the #select_file method to ask for a
-      # filename.
-      def file_open(filename = nil)
-        filename = select_file('Open as a JSON file') unless filename
-        data = load_file(filename) or return
-        view_new_model Editor.data2model(data)
-      end
-
-      # Edit the string _json_ in the editor.
-      def edit(json)
-        if json.respond_to? :read
-          json = json.read
-        end
-        data = parse_json json
-        view_new_model Editor.data2model(data)
-      end
-
-      # Save the current file.
-      def file_save
-        if @filename
-          store_file(@filename)
-        else
-          file_save_as
-        end
-      end
-
-      # Save the current file as the filename 
-      def file_save_as
-        filename = select_file('Save as a JSON file')
-        store_file(filename)
-      end
-
-      # Store the current JSON document to _path_.
-      def store_file(path)
-        if path
-          data = Editor.model2data(@treeview.model.iter_first)
-          File.open(path + '.tmp', 'wb') do |output|
-            data or break
-            if @options_menu.pretty_item.active?
-              output.puts JSON.pretty_generate(data, :max_nesting => false)
-            else
-              output.write JSON.generate(data, :max_nesting => false)
-            end
-          end
-          File.rename path + '.tmp', path
-          @filename = path
-          toplevel.display_status("Saved data to '#@filename'.")
-          unchange
-        end
-      rescue SystemCallError => e
-        Editor.error_dialog(self, "Failed to store JSON file: #{e}!")
-      end
-  
-      # Load the file named _filename_ into the editor as a JSON document.
-      def load_file(filename)
-        if filename
-          if File.directory?(filename)
-            Editor.error_dialog(self, "Try to select a JSON file!")
-            nil
-          else
-            @filename = filename
-            if data = read_data(filename)
-              toplevel.display_status("Loaded data from '#@filename'.")
-            end
-            display_title
-            data
-          end
-        end
-      end
-
-      # Load the data at location _uri_ into the editor as a JSON document.
-      def load_location(uri)
-        data = read_data(uri) or return
-        @filename = nil
-        toplevel.display_status("Loaded data from '#{uri}'.")
-        display_title
-        data
-      end
-
-      def parse_json(json)
-        check_pretty_printed(json)
-        if @encoding && !/^utf8$/i.match(@encoding)
-          iconverter = Iconv.new('utf8', @encoding)
-          json = iconverter.iconv(json)
-        end
-        JSON::parse(json, :max_nesting => false, :create_additions => false)
-      end
-      private :parse_json
-
-      # Read a JSON document from the file named _filename_, parse it into a
-      # ruby data structure, and return the data.
-      def read_data(filename)
-        open(filename) do |f|
-          json = f.read
-          return parse_json(json)
-        end
-      rescue => e
-        Editor.error_dialog(self, "Failed to parse JSON file: #{e}!")
-        return
-      end
-
-      # Open a file selecton dialog, displaying _message_, and return the
-      # selected filename or nil, if no file was selected.
-      def select_file(message)
-        filename = nil
-        fs = FileSelection.new(message)
-        fs.set_modal(true)
-        @default_dir = File.join(Dir.pwd, '') unless @default_dir
-        fs.set_filename(@default_dir)
-        fs.set_transient_for(self)
-        fs.signal_connect(:destroy) { Gtk.main_quit }
-        fs.ok_button.signal_connect(:clicked) do
-          filename = fs.filename
-          @default_dir = File.join(File.dirname(filename), '')
-          fs.destroy
-          Gtk.main_quit
-        end
-        fs.cancel_button.signal_connect(:clicked) do
-          fs.destroy
-          Gtk.main_quit
-        end
-        fs.show_all
-        Gtk.main
-        filename
-      end
-
-      # Ask for location URI a to load data from. Returns the URI as a string.
-      def ask_for_location
-        dialog = Dialog.new(
-          "Load data from location...",
-          nil, nil,
-          [ Stock::OK, Dialog::RESPONSE_ACCEPT ],
-          [ Stock::CANCEL, Dialog::RESPONSE_REJECT ]
-        )
-        hbox = HBox.new(false, 5)
-
-        hbox.pack_start(Label.new("Location:"), false)
-        hbox.pack_start(location_input = Entry.new)
-        location_input.width_chars = 60
-        location_input.text = @location || ''
-
-        dialog.vbox.pack_start(hbox, false)
-
-        dialog.signal_connect(:'key-press-event', &DEFAULT_DIALOG_KEY_PRESS_HANDLER)
-        dialog.show_all
-        dialog.run do |response| 
-          if response == Dialog::RESPONSE_ACCEPT
-            return @location = location_input.text
-          end
-        end
-        return
-      ensure
-        dialog.destroy if dialog
-      end
-    end
-
-    class << self
-      # Starts a JSON Editor. If a block was given, it yields
-      # to the JSON::Editor::MainWindow instance.
-      def start(encoding = 'utf8') # :yield: window
-        Gtk.init
-        @window = Editor::MainWindow.new(encoding)
-        @window.icon_list = [ Editor.fetch_icon('json') ]
-        yield @window if block_given?
-        @window.show_all
-        Gtk.main
-      end
-
-      # Edit the string _json_ with encoding _encoding_ in the editor.
-      def edit(json, encoding = 'utf8')
-        start(encoding) do |window|
-          window.edit json
-        end
-      end
-
-      attr_reader :window
-    end
-  end
-end
-  # vim: set et sw=2 ts=2:
diff --git a/lib/json/ext.rb b/lib/json/ext.rb
deleted file mode 100644
index ff4fa42329..0000000000
--- a/lib/json/ext.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-require 'json/common'
-
-module JSON
-  # This module holds all the modules/classes that implement JSON's
-  # functionality as C extensions.
-  module Ext
-    require 'json/ext/parser'
-    require 'json/ext/generator'
-    $DEBUG and warn "Using c extension for JSON."
-    JSON.parser = Parser
-    JSON.generator = Generator
-  end
-end
diff --git a/lib/json/json.xpm b/lib/json/json.xpm
deleted file mode 100644
index 2cb626bb05..0000000000
--- a/lib/json/json.xpm
+++ /dev/null
@@ -1,1499 +0,0 @@
-/* XPM */
-static char * json_xpm[] = {
-"64 64 1432 2",
-"  	c None",
-". 	c #641839",
-"+ 	c #CF163C",
-"@ 	c #D31C3B",
-"# 	c #E11A38",
-"$ 	c #5F242D",
-"% 	c #320C22",
-"& 	c #9B532D",
-"* 	c #F32E34",
-"= 	c #820F33",
-"- 	c #4B0F34",
-"; 	c #8E1237",
-"> 	c #944029",
-", 	c #961325",
-"' 	c #A00C24",
-") 	c #872C23",
-"! 	c #694021",
-"~ 	c #590D1F",
-"{ 	c #420528",
-"] 	c #D85A2D",
-"^ 	c #7E092B",
-"/ 	c #0E0925",
-"( 	c #0D081F",
-"_ 	c #0F081E",
-": 	c #12071F",
-"< 	c #360620",
-"[ 	c #682A21",
-"} 	c #673F21",
-"| 	c #780E21",
-"1 	c #A82320",
-"2 	c #8D1D1F",
-"3 	c #970127",
-"4 	c #0D0123",
-"5 	c #0D0324",
-"6 	c #3B1E28",
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-"a 	c #11031A",
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-" .	c #BC4530",
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-"+.	c #CE4E3B",
-"@.	c #DD9334",
-"#.	c #751A27",
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-"%.	c #0F041C",
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-"=.	c #9A5027",
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-"                %>&>*>=>->;>>>,>'>,>)>F;8;!>~>{>]>^>/>(>_>:>i;<>[>X;}>i;|>1>q;2>3>4>5>6>                                        ",
-"                7>8>=>9>0>a>b>c>d>,>e>e>f>g>h>i>j>k>l>m>n>:>i;o>p>q>W;r>s>t>p;u>v>w>x>y>                                        ",
-"                z>A>9>0>B>C>c>D>E>F>G>G>F>H>I>J>K>L>M>N>O>P>Q>R>o>R>T;s>S>S>S>t>1>T>U>V>W>X>Y>                                  ",
-"                Z>`> ,9>B>.,D>+,@,#,$,%,$,&,*,=,-,;,>,,,',),P>!,!,_>~,t>s>{,],{,],^,/,(,_,:,<,[,},                              ",
-"                |,`>1,2,3,G>+,4,o>o>4,@,@,5,6,7,8,9,0,a,b,c,d,e,f,g,h, >~,|>T;T;T;i,j,k,l,m,n,o,p,q,r,                          ",
-"                s,t,u,v,G>%,@,o>w,R>x,p>@,5,6,y,z,A,B,C,D,E,F,G,H,I,J,K,L,L,i,i;i;i;Q>S;M,N,P>O,P,Q,R,S,                        ",
-"                T,U,V,W,%,X,Y,Z,`,[>q>@, '.'+'@'#'$'%'&'*'='-';'>',''')'!'~'{'N,i,:>_>]'M,M,Q>_>^'/'('_':'<'                    ",
-"                ['}'|'1'$,X,2'p>3'4'2'@,5'6'7'8'9'0'a'b'c'd'e'f'g'h'i'j'k'l'd,m'g, > >n'o'p'q'r's't'.>u'v'w'x'                  ",
-"                y'z'A'B'C'X,X,2'D'E'E'F'G'H'I'J'K'L'M'N'O'P'Q'R'S'T'U'V'W'X'Y'Z'`' ).)+)r'@)#)$)%)&)l;1>*)=)-);)                ",
-"                >),)')))!)X,E'X,~){)d>!)])^)/)()_):)<)[)})|)1)f,2)3)4)5)6)7)8)9)0)*--*a)b)c)d)e)f)g)h)i)j)k)l)m)                ",
-"                                                                                                                                ",
-"                                                                                                                                ",
-"                                                                                                                                ",
-"                                                                                                                                ",
-"                                                                                                                                ",
-"                                                                                                                                ",
-"                                                                                                                                ",
-"                                                                                                                                "};
diff --git a/lib/json/pure.rb b/lib/json/pure.rb
deleted file mode 100644
index b86d905523..0000000000
--- a/lib/json/pure.rb
+++ /dev/null
@@ -1,75 +0,0 @@
-require 'json/common'
-require 'json/pure/parser'
-require 'json/pure/generator'
-
-module JSON
-  begin
-    require 'iconv'
-    # An iconv instance to convert from UTF8 to UTF16 Big Endian.
-    UTF16toUTF8 = Iconv.new('utf-8', 'utf-16be') # :nodoc:
-    # An iconv instance to convert from UTF16 Big Endian to UTF8.
-    UTF8toUTF16 = Iconv.new('utf-16be', 'utf-8') # :nodoc:
-    UTF8toUTF16.iconv('no bom')
-  rescue Errno::EINVAL, Iconv::InvalidEncoding
-    # Iconv doesn't support big endian utf-16. Let's try to hack this manually
-    # into the converters.
-    begin
-      old_verbose, $VERBSOSE = $VERBOSE, nil
-      # An iconv instance to convert from UTF8 to UTF16 Big Endian.
-      UTF16toUTF8 = Iconv.new('utf-8', 'utf-16') # :nodoc:
-      # An iconv instance to convert from UTF16 Big Endian to UTF8.
-      UTF8toUTF16 = Iconv.new('utf-16', 'utf-8') # :nodoc:
-      UTF8toUTF16.iconv('no bom')
-      if UTF8toUTF16.iconv("\xe2\x82\xac") == "\xac\x20"
-        swapper = Class.new do
-          def initialize(iconv) # :nodoc:
-            @iconv = iconv
-          end
-
-          def iconv(string) # :nodoc:
-            result = @iconv.iconv(string)
-            JSON.swap!(result)
-          end
-        end
-        UTF8toUTF16 = swapper.new(UTF8toUTF16) # :nodoc:
-      end
-      if UTF16toUTF8.iconv("\xac\x20") == "\xe2\x82\xac"
-        swapper = Class.new do
-          def initialize(iconv) # :nodoc:
-            @iconv = iconv
-          end
-
-          def iconv(string) # :nodoc:
-            string = JSON.swap!(string.dup)
-            @iconv.iconv(string)
-          end
-        end
-        UTF16toUTF8 = swapper.new(UTF16toUTF8) # :nodoc:
-      end
-    rescue Errno::EINVAL, Iconv::InvalidEncoding
-      raise MissingUnicodeSupport, "iconv doesn't seem to support UTF-8/UTF-16 conversions"
-    ensure
-      $VERBOSE = old_verbose
-    end
-  rescue LoadError
-    raise MissingUnicodeSupport,
-      "iconv couldn't be loaded, which is required for UTF-8/UTF-16 conversions"
-  end
-
-  # Swap consecutive bytes of _string_ in place.
-  def self.swap!(string) # :nodoc:
-    0.upto(string.size / 2) do |i|
-      break unless string[2 * i + 1]
-      string[2 * i], string[2 * i + 1] = string[2 * i + 1], string[2 * i]
-    end
-    string
-  end
-
-  # This module holds all the modules/classes that implement JSON's
-  # functionality in pure ruby.
-  module Pure
-    $DEBUG and warn "Using pure library for JSON."
-    JSON.parser = Parser
-    JSON.generator = Generator
-  end
-end
diff --git a/lib/json/pure/generator.rb b/lib/json/pure/generator.rb
deleted file mode 100644
index 0fe73be41a..0000000000
--- a/lib/json/pure/generator.rb
+++ /dev/null
@@ -1,394 +0,0 @@
-module JSON
-  MAP = {
-    "\x0" => '\u0000',
-    "\x1" => '\u0001',
-    "\x2" => '\u0002',
-    "\x3" => '\u0003',
-    "\x4" => '\u0004',
-    "\x5" => '\u0005',
-    "\x6" => '\u0006',
-    "\x7" => '\u0007',
-    "\b"  =>  '\b',
-    "\t"  =>  '\t',
-    "\n"  =>  '\n',
-    "\xb" => '\u000b',
-    "\f"  =>  '\f',
-    "\r"  =>  '\r',
-    "\xe" => '\u000e',
-    "\xf" => '\u000f',
-    "\x10" => '\u0010',
-    "\x11" => '\u0011',
-    "\x12" => '\u0012',
-    "\x13" => '\u0013',
-    "\x14" => '\u0014',
-    "\x15" => '\u0015',
-    "\x16" => '\u0016',
-    "\x17" => '\u0017',
-    "\x18" => '\u0018',
-    "\x19" => '\u0019',
-    "\x1a" => '\u001a',
-    "\x1b" => '\u001b',
-    "\x1c" => '\u001c',
-    "\x1d" => '\u001d',
-    "\x1e" => '\u001e',
-    "\x1f" => '\u001f',
-    '"'   =>  '\"',
-    '\\'  =>  '\\\\',
-    '/'   =>  '\/',
-  } # :nodoc:
-
-  # Convert a UTF8 encoded Ruby string _string_ to a JSON string, encoded with
-  # UTF16 big endian characters as \u????, and return it.
-  def utf8_to_json(string) # :nodoc:
-    string = string.gsub(/["\\\/\x0-\x1f]/) { |c| MAP[c] }
-    string.gsub!(/(
-                    (?:
-                      [\xc2-\xdf][\x80-\xbf]    |
-                      [\xe0-\xef][\x80-\xbf]{2} |
-                      [\xf0-\xf4][\x80-\xbf]{3}
-                    )+ |
-                    [\x80-\xc1\xf5-\xff]       # invalid
-                  )/nx) { |c|
-      c.size == 1 and raise GeneratorError, "invalid utf8 byte: '#{c}'"
-      s = JSON::UTF8toUTF16.iconv(c).unpack('H*')[0]
-      s.gsub!(/.{4}/n, '\\\\u\&')
-    }
-    string
-  rescue Iconv::Failure => e
-    raise GeneratorError, "Caught #{e.class}: #{e}"
-  end
-  module_function :utf8_to_json
-
-  module Pure
-    module Generator
-      # This class is used to create State instances, that are use to hold data
-      # while generating a JSON text from a a Ruby data structure.
-      class State
-        # Creates a State object from _opts_, which ought to be Hash to create
-        # a new State instance configured by _opts_, something else to create
-        # an unconfigured instance. If _opts_ is a State object, it is just
-        # returned.
-        def self.from_state(opts)
-          case opts
-          when self
-            opts
-          when Hash
-            new(opts)
-          else
-            new
-          end
-        end
-
-        # Instantiates a new State object, configured by _opts_.
-        #
-        # _opts_ can have the following keys:
-        #
-        # * *indent*: a string used to indent levels (default: ''),
-        # * *space*: a string that is put after, a : or , delimiter (default: ''),
-        # * *space_before*: a string that is put before a : pair delimiter (default: ''),
-        # * *object_nl*: a string that is put at the end of a JSON object (default: ''), 
-        # * *array_nl*: a string that is put at the end of a JSON array (default: ''),
-        # * *check_circular*: true if checking for circular data structures
-        #   should be done (the default), false otherwise.
-        # * *check_circular*: true if checking for circular data structures
-        #   should be done, false (the default) otherwise.
-        # * *allow_nan*: true if NaN, Infinity, and -Infinity should be
-        #   generated, otherwise an exception is thrown, if these values are
-        #   encountered. This options defaults to false.
-        def initialize(opts = {})
-          @seen = {}
-          @indent         = ''
-          @space          = ''
-          @space_before   = ''
-          @object_nl      = ''
-          @array_nl       = ''
-          @check_circular = true
-          @allow_nan      = false
-          configure opts
-        end
-
-        # This string is used to indent levels in the JSON text.
-        attr_accessor :indent
-
-        # This string is used to insert a space between the tokens in a JSON
-        # string.
-        attr_accessor :space
-
-        # This string is used to insert a space before the ':' in JSON objects.
-        attr_accessor :space_before
-
-        # This string is put at the end of a line that holds a JSON object (or
-        # Hash).
-        attr_accessor :object_nl
-
-        # This string is put at the end of a line that holds a JSON array.
-        attr_accessor :array_nl
-
-        # This integer returns the maximum level of data structure nesting in
-        # the generated JSON, max_nesting = 0 if no maximum is checked.
-        attr_accessor :max_nesting
-
-        def check_max_nesting(depth) # :nodoc:
-          return if @max_nesting.zero?
-          current_nesting = depth + 1
-          current_nesting > @max_nesting and
-            raise NestingError, "nesting of #{current_nesting} is too deep"
-        end
-
-        # Returns true, if circular data structures should be checked,
-        # otherwise returns false.
-        def check_circular?
-          @check_circular
-        end
-
-        # Returns true if NaN, Infinity, and -Infinity should be considered as
-        # valid JSON and output.
-        def allow_nan?
-          @allow_nan
-        end
-
-        # Returns _true_, if _object_ was already seen during this generating
-        # run. 
-        def seen?(object)
-          @seen.key?(object.__id__)
-        end
-
-        # Remember _object_, to find out if it was already encountered (if a
-        # cyclic data structure is if a cyclic data structure is rendered). 
-        def remember(object)
-          @seen[object.__id__] = true
-        end
-
-        # Forget _object_ for this generating run.
-        def forget(object)
-          @seen.delete object.__id__
-        end
-
-        # Configure this State instance with the Hash _opts_, and return
-        # itself.
-        def configure(opts)
-          @indent         = opts[:indent] if opts.key?(:indent)
-          @space          = opts[:space] if opts.key?(:space)
-          @space_before   = opts[:space_before] if opts.key?(:space_before)
-          @object_nl      = opts[:object_nl] if opts.key?(:object_nl)
-          @array_nl       = opts[:array_nl] if opts.key?(:array_nl)
-          @check_circular = !!opts[:check_circular] if opts.key?(:check_circular)
-          @allow_nan      = !!opts[:allow_nan] if opts.key?(:allow_nan)
-          if !opts.key?(:max_nesting) # defaults to 19
-            @max_nesting = 19
-          elsif opts[:max_nesting]
-            @max_nesting = opts[:max_nesting]
-          else
-            @max_nesting = 0
-          end
-          self
-        end
-
-        # Returns the configuration instance variables as a hash, that can be
-        # passed to the configure method.
-        def to_h
-          result = {}
-          for iv in %w[indent space space_before object_nl array_nl check_circular allow_nan max_nesting]
-            result[iv.intern] = instance_variable_get("@#{iv}")
-          end
-          result
-        end
-      end
-
-      module GeneratorMethods
-        module Object
-          # Converts this object to a string (calling #to_s), converts
-          # it to a JSON string, and returns the result. This is a fallback, if no
-          # special method #to_json was defined for some object.
-          def to_json(*) to_s.to_json end
-        end
-
-        module Hash
-          # Returns a JSON string containing a JSON object, that is unparsed from
-          # this Hash instance.
-          # _state_ is a JSON::State object, that can also be used to configure the
-          # produced JSON string output further.
-          # _depth_ is used to find out nesting depth, to indent accordingly.
-          def to_json(state = nil, depth = 0, *)
-            if state
-              state = JSON.state.from_state(state)
-              state.check_max_nesting(depth)
-              json_check_circular(state) { json_transform(state, depth) }
-            else
-              json_transform(state, depth)
-            end
-          end
-
-          private
-
-          def json_check_circular(state)
-            if state and state.check_circular?
-              state.seen?(self) and raise JSON::CircularDatastructure,
-                  "circular data structures not supported!"
-              state.remember self
-            end
-            yield
-          ensure
-            state and state.forget self
-          end
-
-          def json_shift(state, depth)
-            state and not state.object_nl.empty? or return ''
-            state.indent * depth
-          end
-
-          def json_transform(state, depth)
-            delim = ','
-            delim << state.object_nl if state
-            result = '{'
-            result << state.object_nl if state
-            result << map { |key,value|
-              s = json_shift(state, depth + 1)
-              s << key.to_s.to_json(state, depth + 1)
-              s << state.space_before if state
-              s << ':'
-              s << state.space if state
-              s << value.to_json(state, depth + 1)
-            }.join(delim)
-            result << state.object_nl if state
-            result << json_shift(state, depth)
-            result << '}'
-            result
-          end
-        end
-
-        module Array
-          # Returns a JSON string containing a JSON array, that is unparsed from
-          # this Array instance.
-          # _state_ is a JSON::State object, that can also be used to configure the
-          # produced JSON string output further.
-          # _depth_ is used to find out nesting depth, to indent accordingly.
-          def to_json(state = nil, depth = 0, *)
-            if state
-              state = JSON.state.from_state(state)
-              state.check_max_nesting(depth)
-              json_check_circular(state) { json_transform(state, depth) }
-            else
-              json_transform(state, depth)
-            end
-          end
-
-          private
-
-          def json_check_circular(state)
-            if state and state.check_circular?
-              state.seen?(self) and raise JSON::CircularDatastructure,
-                "circular data structures not supported!"
-              state.remember self
-            end
-            yield
-          ensure
-            state and state.forget self
-          end
-
-          def json_shift(state, depth)
-            state and not state.array_nl.empty? or return ''
-            state.indent * depth
-          end
-
-          def json_transform(state, depth)
-            delim = ','
-            delim << state.array_nl if state
-            result = '['
-            result << state.array_nl if state
-            result << map { |value|
-              json_shift(state, depth + 1) << value.to_json(state, depth + 1)
-            }.join(delim)
-            result << state.array_nl if state
-            result << json_shift(state, depth) 
-            result << ']'
-            result
-          end
-        end
-
-        module Integer
-          # Returns a JSON string representation for this Integer number.
-          def to_json(*) to_s end
-        end
-
-        module Float
-          # Returns a JSON string representation for this Float number.
-          def to_json(state = nil, *)
-            case
-            when infinite?
-              if !state || state.allow_nan?
-                to_s
-              else
-                raise GeneratorError, "#{self} not allowed in JSON"
-              end
-            when nan?
-              if !state || state.allow_nan?
-                to_s
-              else
-                raise GeneratorError, "#{self} not allowed in JSON"
-              end
-            else
-              to_s
-            end
-          end
-        end
-
-        module String
-          # This string should be encoded with UTF-8 A call to this method
-          # returns a JSON string encoded with UTF16 big endian characters as
-          # \u????.
-          def to_json(*)
-            '"' << JSON.utf8_to_json(self) << '"'
-          end
-
-          # Module that holds the extinding methods if, the String module is
-          # included.
-          module Extend
-            # Raw Strings are JSON Objects (the raw bytes are stored in an array for the
-            # key "raw"). The Ruby String can be created by this module method.
-            def json_create(o)
-              o['raw'].pack('C*')
-            end
-          end
-
-          # Extends _modul_ with the String::Extend module.
-          def self.included(modul)
-            modul.extend Extend
-          end
-
-          # This method creates a raw object hash, that can be nested into
-          # other data structures and will be unparsed as a raw string. This
-          # method should be used, if you want to convert raw strings to JSON
-          # instead of UTF-8 strings, e. g. binary data.
-          def to_json_raw_object
-            {
-              JSON.create_id  => self.class.name,
-              'raw'           => self.unpack('C*'),
-            }
-          end
-
-          # This method creates a JSON text from the result of
-          # a call to to_json_raw_object of this String.
-          def to_json_raw(*args)
-            to_json_raw_object.to_json(*args)
-          end
-        end
-
-        module TrueClass
-          # Returns a JSON string for true: 'true'.
-          def to_json(*) 'true' end
-        end
-
-        module FalseClass
-          # Returns a JSON string for false: 'false'.
-          def to_json(*) 'false' end
-        end
-
-        module NilClass
-          # Returns a JSON string for nil: 'null'.
-          def to_json(*) 'null' end
-        end
-      end
-    end
-  end
-end
diff --git a/lib/json/pure/parser.rb b/lib/json/pure/parser.rb
deleted file mode 100644
index e886ba8d2c..0000000000
--- a/lib/json/pure/parser.rb
+++ /dev/null
@@ -1,259 +0,0 @@
-require 'strscan'
-
-module JSON
-  module Pure
-    # This class implements the JSON parser that is used to parse a JSON string
-    # into a Ruby data structure.
-    class Parser < StringScanner
-      STRING                = /" ((?:[^\x0-\x1f"\\] |
-                                  \\["\\\/bfnrt] |
-                                  \\u[0-9a-fA-F]{4} |
-                                  \\[\x20-\xff])*)
-                              "/nx
-      INTEGER               = /(-?0|-?[1-9]\d*)/
-      FLOAT                 = /(-?
-                                (?:0|[1-9]\d*)
-                                (?:
-                                  \.\d+(?i:e[+-]?\d+) |
-                                  \.\d+ |
-                                  (?i:e[+-]?\d+)
-                                )
-                                )/x
-      NAN                   = /NaN/
-      INFINITY              = /Infinity/
-      MINUS_INFINITY        = /-Infinity/
-      OBJECT_OPEN           = /\{/
-      OBJECT_CLOSE          = /\}/
-      ARRAY_OPEN            = /\[/
-      ARRAY_CLOSE           = /\]/
-      PAIR_DELIMITER        = /:/
-      COLLECTION_DELIMITER  = /,/
-      TRUE                  = /true/
-      FALSE                 = /false/
-      NULL                  = /null/
-      IGNORE                = %r(
-        (?:
-         //[^\n\r]*[\n\r]| # line comments
-         /\*               # c-style comments
-         (?:
-          [^*/]|        # normal chars
-          /[^*]|        # slashes that do not start a nested comment
-          \*[^/]|       # asterisks that do not end this comment
-          /(?=\*/)      # single slash before this comment's end 
-         )*
-           \*/               # the End of this comment
-           |[ \t\r\n]+       # whitespaces: space, horicontal tab, lf, cr
-        )+
-      )mx
-
-      UNPARSED = Object.new
-
-      # Creates a new JSON::Pure::Parser instance for the string _source_.
-      #
-      # It will be configured by the _opts_ hash. _opts_ can have the following
-      # keys:
-      # * *max_nesting*: The maximum depth of nesting allowed in the parsed data
-      #   structures. Disable depth checking with :max_nesting => false|nil|0,
-      #   it defaults to 19.
-      # * *allow_nan*: If set to true, allow NaN, Infinity and -Infinity in
-      #   defiance of RFC 4627 to be parsed by the Parser. This option defaults
-      #   to false.
-      # * *create_additions*: If set to false, the Parser doesn't create
-      #   additions even if a matchin class and create_id was found. This option
-      #   defaults to true.
-      def initialize(source, opts = {})
-        super
-        if !opts.key?(:max_nesting) # defaults to 19
-          @max_nesting = 19
-        elsif opts[:max_nesting]
-          @max_nesting = opts[:max_nesting]
-        else
-          @max_nesting = 0
-        end
-        @allow_nan = !!opts[:allow_nan]
-        ca = true
-        ca = opts[:create_additions] if opts.key?(:create_additions)
-        @create_id = ca ? JSON.create_id : nil
-      end
-
-      alias source string
-
-      # Parses the current JSON string _source_ and returns the complete data
-      # structure as a result.
-      def parse
-        reset
-        obj = nil
-        until eos?
-          case
-          when scan(OBJECT_OPEN)
-            obj and raise ParserError, "source '#{peek(20)}' not in JSON!"
-            @current_nesting = 1
-            obj = parse_object
-          when scan(ARRAY_OPEN)
-            obj and raise ParserError, "source '#{peek(20)}' not in JSON!"
-            @current_nesting = 1
-            obj = parse_array
-          when skip(IGNORE)
-            ;
-          else
-            raise ParserError, "source '#{peek(20)}' not in JSON!"
-          end
-        end
-        obj or raise ParserError, "source did not contain any JSON!"
-        obj
-      end
-
-      private
-
-      # Unescape characters in strings.
-      UNESCAPE_MAP = Hash.new { |h, k| h[k] = k.chr }
-      UNESCAPE_MAP.update({
-        ?"  => '"',
-        ?\\ => '\\',
-        ?/  => '/',
-        ?b  => "\b",
-        ?f  => "\f",
-        ?n  => "\n",
-        ?r  => "\r",
-        ?t  => "\t",
-        ?u  => nil, 
-      })
-
-      def parse_string
-        if scan(STRING)
-          return '' if self[1].empty?
-          self[1].gsub(%r((?:\\[\\bfnrt"/]|(?:\\u(?:[A-Fa-f\d]{4}))+|\\[\x20-\xff]))n) do |c|
-            if u = UNESCAPE_MAP[c[1]]
-              u
-            else # \uXXXX
-              bytes = ''
-              i = 0
-              while c[6 * i] == ?\\ && c[6 * i + 1] == ?u 
-                bytes << c[6 * i + 2, 2].to_i(16) << c[6 * i + 4, 2].to_i(16)
-                i += 1
-              end
-              JSON::UTF16toUTF8.iconv(bytes)
-            end
-          end
-        else
-          UNPARSED
-        end
-      rescue Iconv::Failure => e
-        raise GeneratorError, "Caught #{e.class}: #{e}"
-      end
-
-      def parse_value
-        case
-        when scan(FLOAT)
-          Float(self[1])
-        when scan(INTEGER)
-          Integer(self[1])
-        when scan(TRUE)
-          true
-        when scan(FALSE)
-          false
-        when scan(NULL)
-          nil
-        when (string = parse_string) != UNPARSED
-          string
-        when scan(ARRAY_OPEN)
-          @current_nesting += 1
-          ary = parse_array
-          @current_nesting -= 1
-          ary
-        when scan(OBJECT_OPEN)
-          @current_nesting += 1
-          obj = parse_object
-          @current_nesting -= 1
-          obj
-        when @allow_nan && scan(NAN)
-          NaN
-        when @allow_nan && scan(INFINITY)
-          Infinity
-        when @allow_nan && scan(MINUS_INFINITY)
-          MinusInfinity
-        else
-          UNPARSED
-        end
-      end
-
-      def parse_array
-        raise NestingError, "nesting of #@current_nesting is to deep" if
-          @max_nesting.nonzero? && @current_nesting > @max_nesting
-        result = []
-        delim = false
-        until eos?
-          case
-          when (value = parse_value) != UNPARSED
-            delim = false
-            result << value
-            skip(IGNORE)
-            if scan(COLLECTION_DELIMITER)
-              delim = true
-            elsif match?(ARRAY_CLOSE)
-              ;
-            else
-              raise ParserError, "expected ',' or ']' in array at '#{peek(20)}'!"
-            end
-          when scan(ARRAY_CLOSE)
-            if delim
-              raise ParserError, "expected next element in array at '#{peek(20)}'!"
-            end
-            break
-          when skip(IGNORE)
-            ;
-          else
-            raise ParserError, "unexpected token in array at '#{peek(20)}'!"
-          end
-        end
-        result
-      end
-
-      def parse_object
-        raise NestingError, "nesting of #@current_nesting is to deep" if
-          @max_nesting.nonzero? && @current_nesting > @max_nesting
-        result = {}
-        delim = false
-        until eos?
-          case
-          when (string = parse_string) != UNPARSED
-            skip(IGNORE)
-            unless scan(PAIR_DELIMITER)
-              raise ParserError, "expected ':' in object at '#{peek(20)}'!"
-            end
-            skip(IGNORE)
-            unless (value = parse_value).equal? UNPARSED
-              result[string] = value
-              delim = false
-              skip(IGNORE)
-              if scan(COLLECTION_DELIMITER)
-                delim = true
-              elsif match?(OBJECT_CLOSE)
-                ;
-              else
-                raise ParserError, "expected ',' or '}' in object at '#{peek(20)}'!"
-              end
-            else
-              raise ParserError, "expected value in object at '#{peek(20)}'!"
-            end
-          when scan(OBJECT_CLOSE)
-            if delim
-              raise ParserError, "expected next name, value pair in object at '#{peek(20)}'!"
-            end
-            if @create_id and klassname = result[@create_id]
-              klass = JSON.deep_const_get klassname
-              break unless klass and klass.json_creatable?
-              result = klass.json_create(result)
-            end
-            break
-          when skip(IGNORE)
-            ;
-          else
-            raise ParserError, "unexpected token in object at '#{peek(20)}'!"
-          end
-        end
-        result
-      end
-    end
-  end
-end
diff --git a/lib/json/version.rb b/lib/json/version.rb
deleted file mode 100644
index 3d674ac44f..0000000000
--- a/lib/json/version.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-module JSON
-  # JSON version
-  VERSION         = '1.1.2'
-  VERSION_ARRAY   = VERSION.split(/\./).map { |x| x.to_i } # :nodoc:
-  VERSION_MAJOR   = VERSION_ARRAY[0] # :nodoc:
-  VERSION_MINOR   = VERSION_ARRAY[1] # :nodoc:
-  VERSION_BUILD   = VERSION_ARRAY[2] # :nodoc:
-  VARIANT_BINARY  = false
-end
-- 
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