File: //opt/alt/ruby34/share/ruby/json/add/range.rb
# frozen_string_literal: true
unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
require 'json'
end
class Range
# See #as_json.
def self.json_create(object)
new(*object['a'])
end
# Methods <tt>Range#as_json</tt> and +Range.json_create+ may be used
# to serialize and deserialize a \Range object;
# see Marshal[rdoc-ref:Marshal].
#
# \Method <tt>Range#as_json</tt> serializes +self+,
# returning a 2-element hash representing +self+:
#
# require 'json/add/range'
# x = (1..4).as_json # => {"json_class"=>"Range", "a"=>[1, 4, false]}
# y = (1...4).as_json # => {"json_class"=>"Range", "a"=>[1, 4, true]}
# z = ('a'..'d').as_json # => {"json_class"=>"Range", "a"=>["a", "d", false]}
#
# \Method +JSON.create+ deserializes such a hash, returning a \Range object:
#
# Range.json_create(x) # => 1..4
# Range.json_create(y) # => 1...4
# Range.json_create(z) # => "a".."d"
#
def as_json(*)
{
JSON.create_id => self.class.name,
'a' => [ first, last, exclude_end? ]
}
end
# Returns a JSON string representing +self+:
#
# require 'json/add/range'
# puts (1..4).to_json
# puts (1...4).to_json
# puts ('a'..'d').to_json
#
# Output:
#
# {"json_class":"Range","a":[1,4,false]}
# {"json_class":"Range","a":[1,4,true]}
# {"json_class":"Range","a":["a","d",false]}
#
def to_json(*args)
as_json.to_json(*args)
end
end