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-rw-r--r--ext/json/lib/json/add/range.rb29
1 files changed, 29 insertions, 0 deletions
diff --git a/ext/json/lib/json/add/range.rb b/ext/json/lib/json/add/range.rb
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+++ b/ext/json/lib/json/add/range.rb
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+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+ require 'json'
+end
+
+# Range serialization/deserialization
+class Range
+
+ # Deserializes JSON string by constructing new Range object with arguments
+ # <tt>a</tt> serialized by <tt>to_json</tt>.
+ def self.json_create(object)
+ new(*object['a'])
+ end
+
+ # Returns a hash, that will be turned into a JSON object and represent this
+ # object.
+ def as_json(*)
+ {
+ JSON.create_id => self.class.name,
+ 'a' => [ first, last, exclude_end? ]
+ }
+ end
+
+ # Stores class name (Range) with JSON array of arguments <tt>a</tt> which
+ # include <tt>first</tt> (integer), <tt>last</tt> (integer), and
+ # <tt>exclude_end?</tt> (boolean) as JSON string.
+ def to_json(*args)
+ as_json.to_json(*args)
+ end
+end