| /* |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, |
| software distributed under the License is distributed on an |
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| KIND, either express or implied. See the License for the |
| specific language governing permissions and limitations |
| under the License. |
| */ |
| |
| function Version(major, minor, build, qfe) { |
| this.major = major; |
| this.minor = zeroIfUndefined(minor); |
| this.build = zeroIfUndefined(build); |
| this.qfe = zeroIfUndefined(qfe); |
| } |
| |
| function zeroIfUndefined(val) { |
| if (typeof val === 'undefined') |
| return 0; |
| |
| return val; |
| } |
| |
| Version.Expression = /^\d{1,8}(\.\d{1,8}){0,3}$/; |
| Version.fromString = function(str) { |
| var result = Version.tryParse(str); |
| if (!result) |
| throw new RangeError('Could not parse a version from the provided value "' + str + '".'); |
| |
| return result; |
| }; |
| |
| Version.tryParse = function(str) { |
| if (Version.Expression.test(str)) { |
| var parts = str.split('.').map(function(part) { |
| return parseInt(part, 10); |
| }); |
| |
| var result = new Version(parts[0], parts[1], parts[2], parts[3]); |
| return result; |
| } |
| |
| return false; |
| }; |
| |
| Version.comparer = function(a, b) { |
| if (a.constructor !== Version || b.constructor !== Version) |
| throw new TypeError('Must compare only Versions'); |
| |
| if (a.gt(b)) |
| return 1; |
| else if (a.eq(b)) |
| return 0; |
| |
| return -1; |
| }; |
| |
| Version.prototype.gt = function(other) { |
| if (other.constructor !== Version) |
| throw new TypeError('other is not a Version.'); |
| |
| if (this.major > other.major) return true; |
| if (this.major < other.major) return false; |
| if (this.minor > other.minor) return true; |
| if (this.minor < other.minor) return false; |
| if (this.build > other.build) return true; |
| if (this.build < other.build) return false; |
| if (this.qfe > other.qfe) return true; |
| if (this.qfe < other.qfe) return false; |
| |
| return false; |
| }; |
| |
| Version.prototype.gte = function(other) { |
| if (other.constructor !== Version) |
| throw new TypeError('other is not a Version.'); |
| |
| if (this.major > other.major) return true; |
| if (this.major < other.major) return false; |
| if (this.minor > other.minor) return true; |
| if (this.minor < other.minor) return false; |
| if (this.build > other.build) return true; |
| if (this.build < other.build) return false; |
| if (this.qfe > other.qfe) return true; |
| if (this.qfe < other.qfe) return false; |
| |
| return true; |
| }; |
| |
| Version.prototype.eq = function(other) { |
| if (other.constructor !== Version) |
| throw new TypeError('other is not a Version.'); |
| |
| if (this.major === other.major && this.minor === other.minor && this.build === other.build && this.qfe === other.qfe) |
| return true; |
| |
| return false; |
| }; |
| |
| Version.prototype.toString = function() { |
| return this.major + '.' + this.minor + '.' + this.build + '.' + this.qfe; |
| }; |
| |
| module.exports = Version; |