diff options
Diffstat (limited to 'packages/taler-wallet-core/src/util/libtoolVersion.ts')
-rw-r--r-- | packages/taler-wallet-core/src/util/libtoolVersion.ts | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/packages/taler-wallet-core/src/util/libtoolVersion.ts b/packages/taler-wallet-core/src/util/libtoolVersion.ts deleted file mode 100644 index 5e9d0b74e..000000000 --- a/packages/taler-wallet-core/src/util/libtoolVersion.ts +++ /dev/null @@ -1,88 +0,0 @@ -/* - This file is part of TALER - (C) 2017 GNUnet e.V. - - TALER is free software; you can redistribute it and/or modify it under the - terms of the GNU General Public License as published by the Free Software - Foundation; either version 3, or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> - */ - -/** - * Semantic versioning, but libtool-style. - * See https://www.gnu.org/software/libtool/manual/html_node/Libtool-versioning.html - */ - -/** - * Result of comparing two libtool versions. - */ -export interface VersionMatchResult { - /** - * Is the first version compatible with the second? - */ - compatible: boolean; - /** - * Is the first version older (-1), newser (+1) or - * identical (0)? - */ - currentCmp: number; -} - -interface Version { - current: number; - revision: number; - age: number; -} - -/** - * Compare two libtool-style version strings. - */ -export function compare( - me: string, - other: string, -): VersionMatchResult | undefined { - const meVer = parseVersion(me); - const otherVer = parseVersion(other); - - if (!(meVer && otherVer)) { - return undefined; - } - - const compatible = - meVer.current - meVer.age <= otherVer.current && - meVer.current >= otherVer.current - otherVer.age; - - const currentCmp = Math.sign(meVer.current - otherVer.current); - - return { compatible, currentCmp }; -} - -function parseVersion(v: string): Version | undefined { - const [currentStr, revisionStr, ageStr, ...rest] = v.split(":"); - if (rest.length !== 0) { - return undefined; - } - const current = Number.parseInt(currentStr); - const revision = Number.parseInt(revisionStr); - const age = Number.parseInt(ageStr); - - if (Number.isNaN(current)) { - return undefined; - } - - if (Number.isNaN(revision)) { - return undefined; - } - - if (Number.isNaN(age)) { - return undefined; - } - - return { current, revision, age }; -} |