2007-03-22 10:30:00 -07:00
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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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2012-05-21 04:12:37 -07:00
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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2007-03-22 10:30:00 -07:00
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#include "nsISupports.idl"
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/**
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* Version strings are dot-separated sequences of version-parts.
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*
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* A version-part consists of up to four parts, all of which are optional:
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*
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* <number-a><string-b><number-c><string-d (everything else)>
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*
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* A version-part may also consist of a single asterisk "*" which indicates
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* "infinity".
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*
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* Numbers are base-10, and are zero if left out.
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* Strings are compared bytewise.
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*
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* For additional backwards compatibility, if "string-b" is "+" then
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* "number-a" is incremented by 1 and "string-b" becomes "pre".
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*
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* 1.0pre1
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* < 1.0pre2
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* < 1.0 == 1.0.0 == 1.0.0.0
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* < 1.1pre == 1.1pre0 == 1.0+
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* < 1.1pre1a
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* < 1.1pre1
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* < 1.1pre10a
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* < 1.1pre10
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*
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* Although not required by this interface, it is recommended that
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* numbers remain within the limits of a signed char, i.e. -127 to 128.
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*/
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[scriptable, uuid(e6cd620a-edbb-41d2-9e42-9a2ffc8107f3)]
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interface nsIVersionComparator : nsISupports
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{
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/**
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* Compare two version strings
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* @param A The first version
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* @param B The second version
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* @returns < 0 if A < B
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* = 0 if A == B
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* > 0 if A > B
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*/
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long compare(in ACString A, in ACString B);
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};
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