74 lines
2.1 KiB
Ada
74 lines
2.1 KiB
Ada
-------------------------------------------------------------------------------
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-- File: adaid.ads
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-- Description: A UUID type for Ada
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-- Author: Anthony Arnold
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-- License: Simplified BSD License (see LICENSE)
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-------------------------------------------------------------------------------
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with Ada.Finalization;
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with Interfaces; use Interfaces; -- for Unsigned_n
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-- AdaID defines the types and accessor/miscellaneous functions for
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-- the UUID type.
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package AdaID is
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uuid_size: constant Integer := 16;
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-- This many bytes in a UUID
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subtype HashType is Unsigned_32;
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-- Represents a "Hash Code" of a UUID
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type Byte is mod 2 ** 8;
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-- Byte Type (2^8)
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type ByteArray is array (0 .. uuid_size-1) of Byte;
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-- Byte Array for UUID data storage
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type VersionType is (
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Unknown,
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Time_Based,
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DCE_Security,
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Name_Based_MD5,
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Random_Number_Based,
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Name_Based_SHA1
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);
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-- The Version of the UUID
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type VariantType is (
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NCS,
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RFC_4122,
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Microsoft,
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Future
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);
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-- The UUID Variant
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type UUID is new Ada.Finalization.Controlled with
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record
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data: ByteArray;
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end record;
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-- The main type for the package
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function Is_Nil(This: in UUID) return Boolean;
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--Determine if UUID is NIL (All Zeros)
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function Get_Version(This: in UUID) return VersionType;
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--Get the UUID Version
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function Get_Variant(This: in UUID) return VariantType;
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--Get the UUID Variant
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function "="(Left, Right: in UUID) return Boolean;
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--Test for equality between Left and Right
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function Get_Hash_Value(This: in UUID) return HashType;
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--Get the hash code for the UUID
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function To_String(This: in UUID) return String;
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--Convert the UUID to a common string representation
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private
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overriding procedure Initialize (This: in out UUID);
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--Default "constructor", initializes to NIL
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end AdaID;
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