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@@ -0,0 +1,48 @@
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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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class Regexp
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# See #as_json.
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def self.json_create(object)
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new(object['s'], object['o'])
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end
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# Methods <tt>Regexp#as_json</tt> and +Regexp.json_create+ may be used
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# to serialize and deserialize a \Regexp 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>Regexp#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/regexp'
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# x = /foo/.as_json
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# # => {"json_class"=>"Regexp", "o"=>0, "s"=>"foo"}
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#
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# \Method +JSON.create+ deserializes such a hash, returning a \Regexp object:
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#
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# Regexp.json_create(x) # => /foo/
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#
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def as_json(*)
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{
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JSON.create_id => self.class.name,
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'o' => options,
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's' => source,
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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/regexp'
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# puts /foo/.to_json
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#
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# Output:
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#
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# {"json_class":"Regexp","o":0,"s":"foo"}
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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
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