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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /devtools/shared/storage/utils.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'devtools/shared/storage/utils.js')
-rw-r--r-- | devtools/shared/storage/utils.js | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/devtools/shared/storage/utils.js b/devtools/shared/storage/utils.js new file mode 100644 index 0000000000..2c31a4ae88 --- /dev/null +++ b/devtools/shared/storage/utils.js @@ -0,0 +1,161 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +"use strict"; + +loader.lazyRequireGetter( + this, + "validator", + "resource://devtools/shared/storage/vendor/stringvalidator/validator.js" +); +loader.lazyRequireGetter( + this, + "JSON5", + "resource://devtools/shared/storage/vendor/json5.js" +); + +const MATH_REGEX = + /(?:(?:^|[-+_*/])(?:\s*-?\d+(\.\d+)?(?:[eE][+-]?\d+)?\s*))+$/; + +/** + * Tries to parse a string into an object on the basis of key-value pairs, + * separated by various separators. If failed, tries to parse for single + * separator separated values to form an array. + * + * @param {string} value + * The string to be parsed into an object or array + */ +function _extractKeyValPairs(value) { + const makeObject = (keySep, pairSep) => { + const object = {}; + for (const pair of value.split(pairSep)) { + const [key, val] = pair.split(keySep); + object[key] = val; + } + return object; + }; + + // Possible separators. + const separators = ["=", ":", "~", "#", "&", "\\*", ",", "\\."]; + // Testing for object + for (let i = 0; i < separators.length; i++) { + const kv = separators[i]; + for (let j = 0; j < separators.length; j++) { + if (i == j) { + continue; + } + const p = separators[j]; + const word = `[^${kv}${p}]*`; + const keyValue = `${word}${kv}${word}`; + const keyValueList = `${keyValue}(${p}${keyValue})*`; + const regex = new RegExp(`^${keyValueList}$`); + if ( + value.match && + value.match(regex) && + value.includes(kv) && + (value.includes(p) || value.split(kv).length == 2) + ) { + return makeObject(kv, p); + } + } + } + // Testing for array + for (const p of separators) { + const word = `[^${p}]*`; + const wordList = `(${word}${p})+${word}`; + const regex = new RegExp(`^${wordList}$`); + + if (regex.test(value)) { + const pNoBackslash = p.replace(/\\*/g, ""); + return value.split(pNoBackslash); + } + } + return null; +} + +/** + * Check whether the value string represents something that should be + * displayed as text. If so then it shouldn't be parsed into a tree. + * + * @param {String} value + * The value to be parsed. + */ +function _shouldParse(value) { + const validators = [ + "isBase64", + "isBoolean", + "isCurrency", + "isDataURI", + "isEmail", + "isFQDN", + "isHexColor", + "isIP", + "isISO8601", + "isMACAddress", + "isSemVer", + "isURL", + ]; + + // Check for minus calculations e.g. 8-3 because otherwise 5 will be displayed. + if (MATH_REGEX.test(value)) { + return false; + } + + // Check for any other types that shouldn't be parsed. + for (const test of validators) { + if (validator[test](value)) { + return false; + } + } + + // Seems like this is data that should be parsed. + return true; +} + +/** + * Tries to parse a string value into either a json or a key-value separated + * object. The value can also be a key separated array. + * + * @param {string} originalValue + * The string to be parsed into an object + */ +function parseItemValue(originalValue) { + // Find if value is URLEncoded ie + let decodedValue = ""; + try { + decodedValue = decodeURIComponent(originalValue); + } catch (e) { + // Unable to decode, nothing to do + } + const value = + decodedValue && decodedValue !== originalValue + ? decodedValue + : originalValue; + + if (!_shouldParse(value)) { + return value; + } + + let obj = null; + try { + obj = JSON5.parse(value); + } catch (ex) { + obj = null; + } + + if (!obj && value) { + obj = _extractKeyValPairs(value); + } + + // return if obj is null, or same as value, or just a string. + if (!obj || obj === value || typeof obj === "string") { + return value; + } + + // If we got this far, originalValue is an object literal or array, + // and we have successfully parsed it + return obj; +} + +exports.parseItemValue = parseItemValue; |