48 lines
1.1 KiB
Crystal
48 lines
1.1 KiB
Crystal
require "../cbor"
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require "uuid"
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struct UUID
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# Creates UUID from CBOR using `CBOR::Decoder`.
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#
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# NOTE: `require "uuid/cbor"` is required to opt-in to this feature.
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#
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# ```
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# require "cbor"
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# require "uuid"
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# require "uuid/cbor"
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#
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# class Example
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# include CBOR::Serializable
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#
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# property id : UUID
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# end
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#
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# hash = {"id" => "ba714f86-cac6-42c7-8956-bcf5105e1b81"}
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# example = Example.from_cbor hash.to_cbor
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# example.id # => UUID(ba714f86-cac6-42c7-8956-bcf5105e1b81)
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# ```
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def self.new(pull : CBOR::Decoder)
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# Either the UUID was encoded as String or bytes (smaller).
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case pull.current_token
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when CBOR::Token::StringT
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new(pull.read_string)
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when CBOR::Token::BytesT
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new(pull.read_bytes)
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else
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raise "trying to get an UUID, but CBOR value isn't a string nor bytes: #{pull.current_token}"
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end
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end
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# Returns UUID as CBOR value.
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#
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# NOTE: `require "uuid/cbor"` is required to opt-in to this feature.
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#
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# ```
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# uuid = UUID.new("87b3042b-9b9a-41b7-8b15-a93d3f17025e")
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# uuid.to_cbor
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# ```
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def to_cbor(cbor : CBOR::Encoder)
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cbor.write(@bytes.to_slice)
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end
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end
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