ParseUtil

Utility methods for DOM and string parsing

Від 04.11.2019. Дивіться остання версія.

Цей скрипт не слід встановлювати безпосередньо. Це - бібліотека для інших скриптів для включення в мета директиву // @require https://update.greasyfork.org/scripts/391979/746747/ParseUtil.js

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(У мене вже є менеджер скриптів, дайте мені встановити його!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         ParseUtil
// @namespace    hoehleg.userscripts.private
// @version      0.3.1
// @description  Utility methods for DOM and string parsing
// @author       Gerrit Höhle
// @grant        GM_xmlhttpRequest
// ==/UserScript==

/* jshint esnext: true */
const ParseUtil = {
    getPageAsync: (url, onSuccess, onError = () => {}) => {
        return GM_xmlhttpRequest({
            method: 'GET',
            url: url,
            onload: (resp) => {
                resp.html = new DOMParser().parseFromString(resp.responseText || "", 'text/html');
                switch (resp.status) {
                    case 200:
                    case 304:
                        onSuccess(resp);
                        return;
                    default:
                        onError(resp);
                        return;
                }
            },
            onerror: onError
        });
    },

    parseInt: (str, maxIntPlaces = 1, fallbackValue = null) => {
        let regex = "\\d";
        if (maxIntPlaces > 1) {
            regex += "{1," + maxIntPlaces + "}";
        }
        return Util.parseIntWithRegex(str, new RegExp(regex), fallbackValue);
    },

    parseFloat: (str, maxIntPlaces = 1, maxDecPlaces = 0, fallbackValue = null) => {
        let regex = "\\d";
        if (maxIntPlaces > 1) {
            regex += "{1," + maxIntPlaces + "}";
        }
        if (maxDecPlaces > 0) {
            regex += "\\s?[,\.]?\\s?\\d{0," + maxDecPlaces + "}";
        }
        return Util.parseFloatWithRegex(str, new RegExp(regex), fallbackValue);
    },

    parseIntWithRegex: (str, regex, fallbackValue = null) => {
        const match = Util.parseStrWithRegex(str, regex);
        const value = parseInt(match);
        return Number.isNaN(value) ? fallbackValue : value;
    },

    parseFloatWithRegex: (str, regex, fallbackValue = null) => {
        const match = Util.parseStrWithRegex(str, regex, "").replace(",",".");
        const value = parseFloat(match);
        return Number.isNaN(value) ? fallbackValue : value;
    },

    parseStrWithRegex: (str, regex, fallbackValue = null) => {
        const match = regex.exec(str || "");
        return (match && match.length >= 1) ? match[0] : fallbackValue;
    }
};