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@@ -0,0 +1,54 @@
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# frozen_string_literal: true
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unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
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require 'json'
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end
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begin
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require 'ostruct'
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rescue LoadError
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end
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class OpenStruct
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# See #as_json.
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def self.json_create(object)
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new(object['t'] || object[:t])
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end
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# Methods <tt>OpenStruct#as_json</tt> and +OpenStruct.json_create+ may be used
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# to serialize and deserialize a \OpenStruct object;
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# see Marshal[https://docs.ruby-lang.org/en/master/Marshal.html].
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#
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# \Method <tt>OpenStruct#as_json</tt> serializes +self+,
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# returning a 2-element hash representing +self+:
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#
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# require 'json/add/ostruct'
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# x = OpenStruct.new('name' => 'Rowdy', :age => nil).as_json
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# # => {"json_class"=>"OpenStruct", "t"=>{:name=>'Rowdy', :age=>nil}}
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#
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# \Method +JSON.create+ deserializes such a hash, returning a \OpenStruct object:
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#
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# OpenStruct.json_create(x)
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# # => #<OpenStruct name='Rowdy', age=nil>
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#
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def as_json(*)
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klass = self.class.name
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klass.to_s.empty? and raise JSON::JSONError, "Only named structs are supported!"
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{
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JSON.create_id => klass,
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't' => table,
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}
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end
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# Returns a JSON string representing +self+:
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#
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# require 'json/add/ostruct'
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# puts OpenStruct.new('name' => 'Rowdy', :age => nil).to_json
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#
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# Output:
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#
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# {"json_class":"OpenStruct","t":{'name':'Rowdy',"age":null}}
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#
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def to_json(*args)
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as_json.to_json(*args)
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end
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end if defined?(::OpenStruct)
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