| // 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 filterNumber (value) { |
| if (/^[-+]?\d*\.?\d*$/.test(value)) { |
| return Number(value) |
| } |
| return NaN |
| } |
| |
| function stringComparator (a, b) { |
| return a.localeCompare(b) |
| } |
| |
| function numericComparator (a, b) { |
| return filterNumber(a) < filterNumber(b) ? 1 : -1 |
| } |
| |
| function ipV4AddressCIDRComparator (a, b) { |
| a = a.split(/[./]/gm) |
| b = b.split(/[./]/gm) |
| for (var i = 0; i < a.length; i++) { |
| if ((a[i] = parseInt(a[i])) < (b[i] = parseInt(b[i]))) { |
| return -1 |
| } else if (a[i] > b[i]) { |
| return 1 |
| } |
| } |
| return 0 |
| } |
| |
| function ipV6AddressCIDRComparator (a, b) { |
| a = a.split(/[:/]/gm) |
| b = b.split(/[:/]/gm) |
| for (var i = 0; i < a.length; i++) { |
| if ((a[i] = parseInt('0x' + a[i], 16)) < (b[i] = parseInt('0x' + b[i], 16))) { |
| return -1 |
| } else if (a[i] > b[i]) { |
| return 1 |
| } |
| } |
| return 0 |
| } |
| |
| function isIpV4Address (obj) { |
| return !Array.isArray(obj) && (/^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$/gm).test(obj) |
| } |
| |
| function isIpV6Address (obj) { |
| return !Array.isArray(obj) && (/^[a-fA-F0-9:]+$/gm).test(obj) |
| } |
| |
| function isIpV4CIDRAddress (obj) { |
| return !Array.isArray(obj) && (/^([0-9]{1,3}\.){3}[0-9]{1,3}(\/([0-9]|[1-2][0-9]|3[0-2]))?$/gm).test(obj) |
| } |
| |
| function isIpV6CIDRAddress (obj) { |
| return !Array.isArray(obj) && (/^s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:)))(%.+)?s*(\/([0-9]|[1-9][0-9]|1[0-1][0-9]|12[0-8]))?$/gm).test(obj) |
| } |
| |
| function isNumeric (obj) { |
| return !Array.isArray(obj) && !isNaN(filterNumber(obj)) |
| } |
| |
| /** |
| * Compare elements, attempting to determine type of element to get the best comparison |
| * |
| */ |
| export function genericCompare (a, b) { |
| // strict function for filtering numbers (e.g. "2.3", "-2" but not "8 CPUs") |
| var comparator = stringComparator |
| |
| if (a === b) { |
| // Short circuit out to avoid unnecessary effort |
| return 0 |
| } |
| if ((isIpV4CIDRAddress(a) || isIpV4Address(a)) && (isIpV4CIDRAddress(b) || isIpV4Address(b))) { |
| comparator = ipV4AddressCIDRComparator |
| } |
| if ((isIpV6CIDRAddress(a) || isIpV6Address(a)) && (isIpV6CIDRAddress(b) || isIpV6Address(b))) { |
| comparator = ipV6AddressCIDRComparator |
| } |
| if (isNumeric(a) && isNumeric(b)) { |
| comparator = numericComparator |
| } |
| |
| return comparator(a, b) |
| } |