viewsource

Viewsource for Firefox, like Chrome
Versão de: 14/01/2016. Veja: a última versão.
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// ==UserScript==
// @name        viewsource
// @namespace   devs.forumvi.com
// @description Viewsource for Firefox, like Chrome
// @include     *
// @version     2.1.1
// @author      Zzbaivong
// @resource    light https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.1.0/styles/github-gist.min.css
// @resource    dark https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.1.0/styles/monokai-sublime.min.css
// @require     https://openuserjs.org/src/libs/baivong/beautify-html.js
// @require     https://openuserjs.org/src/libs/baivong/beautify-js.min.js
// @require     https://openuserjs.org/src/libs/baivong/beautify-css.min.js
// @require     https://openuserjs.org/src/libs/baivong/highlight-xml.js
// @run-at      doc-end
// @grant       GM_addStyle
// @grant       GM_getResourceText
// @grant       GM_xmlhttpRequest
// @grant       GM_registerMenuCommand
// ==/UserScript==

(function() {

    "use strict";

    var theme = "light", // light|dark

        win = window,
        urlpage = win.top.location.href,
        doc = document,
        content = doc.body;

    function removeEvents(ele, attr) {
        var events = "onafterprint onbeforeprint onbeforeunload onerror onhashchange onload onmessage onoffline ononline onpagehide onpageshow onpopstate onresize  onstorage onunload onblur onchange oncontextmenu onfocus oninput oninvalid onreset onsearch onselect onsubmit onkeydown onkeypress onkeyup onclick ondblclick ondrag ondragend ondragenter ondragleave ondragover ondragstart ondrop onmousedown onmousemove onmouseout onmouseover onmouseup onmousewheel onscroll onwheel oncopy oncut onpaste onerror onshow ontoggle".split(" "),
            x;
        for (x in events) {
            var _event = events[x];
            ele[_event] = null;
            if (attr) ele.removeAttribute(_event);
        }
    }

    function viewsource() {
        GM_xmlhttpRequest({
            method: "GET",
            url: urlpage,
            onload: function(response) {

                removeEvents(win);
                removeEvents(doc);
                removeEvents(content, true);

                var txt = html_beautify(response.response);

                doc.head.innerHTML = "";
                content.innerHTML = "";
                content.removeAttribute("id");
                content.removeAttribute("class");
                content.removeAttribute("style");
                doc.title = "view-source:" + urlpage;

                GM_addStyle(GM_getResourceText(theme) + "html,body,pre{margin:0;padding:0}.hljs{white-space:pre;padding-left:4em;line-height:100%}.hljs::before{content:attr(data-lines);position:absolute;color:#d2d2d2;text-align:right;width:3.5em;left:-.5em;border-right:1px solid rgba(221, 221, 221, 0.36);padding-right:.5em}#scroll-x{position:fixed;right:0;top:0;width:120px;cursor:w-resize;z-index:999;background:transparent;bottom:0}");

                var output = doc.createElement("PRE");
                output.setAttribute("class", "xml");
                output.textContent = txt;

                content.appendChild(output);

                hljs.highlightBlock(output);

                var lines = txt.split("\n"),
                    l = "";
                lines = lines ? lines.length : 0;
                for (var i = 0; i < lines; i++) {
                    l += (i + 1) + "\n";
                }

                output.setAttribute("data-lines", l);

                var node = doc.createElement("DIV");
                node.id = "scroll-x";
                content.appendChild(node);

                node.onwheel = function(e) {
                    e.preventDefault();
                    output.scrollLeft += (e.deltaY * 10);
                    return false;
                };

                var attrUrl = doc.getElementsByClassName('hljs-attr');
                for (var j = 0; j < attrUrl.length; j++) {
                    if (/\b(src|href\b)/.test(attrUrl[j].textContent)) {
                        var link = attrUrl[j].nextSibling.nextSibling;
                        var url = link.textContent.slice(1, -1);
                        link.innerHTML = '"<a href="' + url + '" target="_blank">' + url + '</a>"';
                    }
                }

            }
        });
    }

    GM_registerMenuCommand("View source", viewsource, "m");

    if (doc.contentType === "text/html" && doc.URL === urlpage) {
        win.onkeydown = function(e) {

            // Ctrl + M
            if (e.which == 77 && e.ctrlKey) {
                e.preventDefault();

                viewsource();
            }
        };
    }
}());