objectify.rb

objectify.rb

#!/Users/chipp/.rvm/bin/rvm-auto-ruby

require 'json'
IDENT = "    "

def objectify(json, comma: false, newline: true, ident_level: 0)
    terminator = (comma ? "," : "") + (newline ? "\n" : "")
    case json
    when Hash
        root_identation = IDENT * ident_level
        s = "@{\n"
        s += json.map do |k,v|
            comma = !(k == json.keys.last)
            identation = IDENT * (ident_level + 1)
            identation + %Q{#{ objectify(k, newline: false) } : #{ objectify(v, comma: comma, ident_level: ident_level + 1) }}
        end.join
        s += root_identation + "}" + terminator
    when Array
        root_identation = IDENT * ident_level
        if json.count < 2
            s = "@["
            unless json.first.nil?
                s += objectify(json.first, ident_level: ident_level, newline: false)
            end
            s += "]" + terminator
        else
            s = "@[\n"
            s += json.map do |v, i|
                comma = !(v == json.last)
                identation = IDENT * (ident_level + 1)
                identation + objectify(v, comma: comma, ident_level: ident_level + 1)
            end.join
            s += root_identation + "]" + terminator
            return s
        end
    when String
        return "@#{json.inspect}" + terminator
    when Integer
        return "@#{json}" + terminator
    when TrueClass, FalseClass
        return (json ? "@YES" : "@NO") + terminator
    when NilClass
        return "[NSNull null]" + terminator
    else
        puts json.class
    end
end

json = JSON.parse STDIN.gets
print objectify(json)