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* ext/json/*, test/json/*, defs/default_gems: Gemify JSON library.
[fix GH-867][Feature #11057] * test/ruby/test_extlibs.rb: removed json gem from existence extentions. * gems/bundled_gems: added json gem into bundled gem. * lib/rdoc/rubygems_hook.rb: ignored no json environment. * lib/rubygems/test_case.rb, test/rubygems/*: ditto. * lib/rdoc/test_case.rb, test/rdoc/*: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50231 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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require 'json/common'
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##
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# = JavaScript Object Notation (JSON)
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#
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# JSON is a lightweight data-interchange format. It is easy for us
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# humans to read and write. Plus, equally simple for machines to generate or parse.
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# JSON is completely language agnostic, making it the ideal interchange format.
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#
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# Built on two universally available structures:
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# 1. A collection of name/value pairs. Often referred to as an _object_, hash table, record, struct, keyed list, or associative array.
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# 2. An ordered list of values. More commonly called an _array_, vector, sequence or list.
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#
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# To read more about JSON visit: http://json.org
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#
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# == Parsing JSON
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#
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# To parse a JSON string received by another application or generated within
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# your existing application:
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#
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# require 'json'
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#
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# my_hash = JSON.parse('{"hello": "goodbye"}')
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# puts my_hash["hello"] => "goodbye"
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#
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# Notice the extra quotes <tt>''</tt> around the hash notation. Ruby expects
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# the argument to be a string and can't convert objects like a hash or array.
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#
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# Ruby converts your string into a hash
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#
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# == Generating JSON
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#
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# Creating a JSON string for communication or serialization is
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# just as simple.
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#
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# require 'json'
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#
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# my_hash = {:hello => "goodbye"}
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# puts JSON.generate(my_hash) => "{\"hello\":\"goodbye\"}"
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#
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# Or an alternative way:
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#
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# require 'json'
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# puts {:hello => "goodbye"}.to_json => "{\"hello\":\"goodbye\"}"
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#
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# <tt>JSON.generate</tt> only allows objects or arrays to be converted
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# to JSON syntax. <tt>to_json</tt>, however, accepts many Ruby classes
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# even though it acts only as a method for serialization:
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#
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# require 'json'
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#
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# 1.to_json => "1"
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#
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module JSON
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require 'json/version'
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begin
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require 'json/ext'
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rescue LoadError
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require 'json/pure'
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end
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end
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